Gravitational wave emissions (GWEs) of pulsars could not only make them promising targets for continuous gravitational wave searches but also leave imprints in their timing data. We interpret the measured braking index of PSR J1640-4631 with a model involving both the GWE and dipole magnetic field d...

[Phys. Rev. D 99, 083011] Published Thu Apr 18, 2019

]]>We discuss the cosmological implications of the string swampland conjectures for late-time cosmology, and test them against a wide range of state of the art cosmological observations. The refined de Sitter conjecture constrains either the minimal slope or the curvature of the scalar potential, and d...

[Phys. Rev. D 99, 083518] Published Thu Apr 18, 2019

]]>We perform an extensive analysis of linear fluctuations during preheating in Higgs inflation in the Einstein frame, where the fields are minimally coupled to gravity, but the field-space metric is nontrivial. The self-resonance of the Higgs and the Higgsed gauge bosons are governed by effective mass...

[Phys. Rev. D 99, 083519] Published Thu Apr 18, 2019

]]>We investigate the main properties and mutual relations of the so-called $A$ and $B$ metrics with any value of the cosmological constant. In particular, we explicitly show that both the $AII$ and $BI$ metrics are, in fact, the famous Schwarzschild–(anti–)de Sitter spacetime (that is the $AI$ metric) boosted t...

[Phys. Rev. D 99, 084037] Published Thu Apr 18, 2019

]]>We provide a constrained Hamiltonian analysis of a nonrelativistic Schrödinger field in $2+1$ dimensions, coupled with Chern-Simons gravity. The coupling is achieved by the recently advanced Galilean gauge theory [R. Banerjee, A. Mitra, and P. Mukherjee, Phys. Lett. B **737**, 369 (2014); Classical Quantu...

[Phys. Rev. D 99, 084038] Published Thu Apr 18, 2019

]]>Given an observable and its operator product expansion, we present expressions that carefully disentangle truncated sums of the perturbative series in powers of $\alpha $ from the nonperturbative (NP) corrections. This splitting is done with NP power accuracy. Analytic control of the splitting is achieved a...

[Phys. Rev. D 99, 074019] Published Wed Apr 17, 2019

]]>Fluctuations of conserved charges such as baryon number, electric charge, and strangeness may provide a test for completeness of states in lattice QCD for three light flavors. We elaborate on the idea that the corresponding susceptibilities can be saturated with excited baryonic states with an under...

[Phys. Rev. D 99, 074020] Published Wed Apr 17, 2019

]]>We study properties of $SU(2)$ Yang-Mills theory on a four-dimensional Euclidean spacetime in which two directions are compactified into a finite two-dimensional torus ${\mathbb{T}}^{2}$ while two others constitute a large ${\mathbb{R}}^{2}$ subspace. This Euclidean ${\mathbb{T}}^{2}\times {\mathbb{R}}^{2}$ manifold corresponds simultaneously to two systems in a ($3+1$)...

[Phys. Rev. D 99, 074021] Published Wed Apr 17, 2019

]]>Gauge invariance requires even in the weak interactions that physical, observable particles are described by gauge-invariant composite operators. Such operators have the same structure as those describing bound states, and consequently the physical versions of the ${W}^{\pm}$, the $Z$, and the Higgs should hav...

[Phys. Rev. D 99, 074509] Published Wed Apr 17, 2019

]]>The photon polarization in ${D}_{(s)}\to {K}_{1}(\to K\pi \pi )\gamma $ decays can be extracted from an up-down asymmetry in the $K\pi \pi $ system, along the lines of the method known to $B\to {K}_{1}(\to K\pi \pi )\gamma $ decays. Charm physics is advantageous as partner decays exist: ${D}^{+}\to {K}_{1}^{+}(\to K\pi \pi )\gamma $, which is standard model-like, and ${D}_{s}\to {K}_{1}^{+}(\to K\pi \pi )\gamma $, which is se...

[Phys. Rev. D 99, 075023] Published Wed Apr 17, 2019

]]>We solve the integration-by-parts (IBP) identities needed for the computation of any planar two-loop five-point massless amplitude in QCD. We also derive some new results for the most complicated nonplanar topology with irreducible numerators of power as high as six. We do this by applying a new str...

[Phys. Rev. D 99, 076011] Published Wed Apr 17, 2019

]]>The EDELWEISS Collaboration has performed a search for dark matter particles with masses below the GeV scale with a 33.4-g germanium cryogenic detector operated in a surface lab. The energy deposits were measured using a neutron-transmutation-doped Ge thermal sensor with a 17.7 eV (rms) baseline hea...

[Phys. Rev. D 99, 082003] Published Wed Apr 17, 2019

]]>Thermal freeze-out or freeze-in during a period of early matter domination can give rise to the correct dark matter abundance for $\u27e8{\sigma}_{\mathrm{ann}}v{\u27e9}_{f}<3\times {10}^{-26}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{cm}}^{3}\text{\hspace{0.17em}}{\mathrm{s}}^{-1}$. In the standard scenario, a single field that behaves like matter drives the early matter dominated era. However, in realistic models, this ...

[Phys. Rev. D 99, 083517] Published Wed Apr 17, 2019

]]>We study configurations consisting of a gravitating spinor field $\psi $ with a nonlinearity of the type $\lambda {(\overline{\psi}\psi )}^{2}$. To ensure spherical symmetry of the configurations, we use two spin-$\frac{1}{2}$ fields forming a spin singlet. For such systems, we find regular stationary asymptotically flat solutions describing comp...

[Phys. Rev. D 99, 084030] Published Wed Apr 17, 2019

]]>Colliding black holes are systems of profound interest in both gravitational-wave astronomy and in gravitation theory, and a variety of methods have been developed for modeling their dynamics in detail. The features of these dynamics are determined by the masses of the holes and by the magnitudes an...

[Phys. Rev. D 99, 084031] Published Wed Apr 17, 2019

]]>Events GW170817 and GRB 170817A provide the best confirmation so far that compact binary mergers where at least one of the companions is a neutron star can be the progenitors of short gamma-ray bursts (sGRBs). An open question for GW170817 remains the values and impact of the initial neutron star sp...

[Phys. Rev. D 99, 084032] Published Wed Apr 17, 2019

]]>We numerically solve Einstein’s equations coupled to a scalar field in the interior of Kerr black holes. We find shock waves form near the inner horizon. The shocks grow exponentially in amplitude and need not be axisymmetric. Observers who pass through the shocks experience exponentially large tida...

[Phys. Rev. D 99, 084033] Published Wed Apr 17, 2019

]]>We construct the stably stratified magnetized stars within the framework of general relativity. The effects of magnetic fields on the structure of the star and spacetime are treated as perturbations of nonmagnetized stars. By assuming ideal magnetohydrodynamics and employing one-parameter equations ...

[Phys. Rev. D 99, 084034] Published Wed Apr 17, 2019

]]>The necessary and sufficient condition for a conservative perfect fluid energy tensor to be the energetic evolution of a classical ideal gas is obtained. This condition forces the square of the speed of sound to have the form ${c}_{s}^{2}=\frac{\gamma p}{\rho +p}$ in terms of the hydrodynamic quantities, energy density $\rho $ and pr...

[Phys. Rev. D 99, 084035] Published Wed Apr 17, 2019

]]>We develop a method for computing the linearized gravitational backreaction for Nambu-Goto strings using a fully covariant formalism. We work with equations of motion expressed in terms of a higher dimensional analog of the geodesic equation subject to self-generated forcing terms. The approach allo...

[Phys. Rev. D 99, 084036] Published Wed Apr 17, 2019

]]>We consider particle production in $1+1$ dimensional thermal anti–de Sitter space under the influence of a constant electric field. The vacuum-persistence amplitude is given by a nonrelativistic tunneling instanton once we interpret the system as being governed by an “equivalent” nonrelativistic Schrö...

[Phys. Rev. D 99, 085006] Published Wed Apr 17, 2019

]]>We propose a new superintegrable mechanical system on the complex projective space ${\mathbb{CP}}^{N}$ involving a potential term together with coupling to a constant magnetic fields. This system can be viewed as a ${\mathbb{CP}}^{N}$-analog of both the flat singular oscillator and its spherical analog known as the “Rosochatius sy...

[Phys. Rev. D 99, 085007] Published Wed Apr 17, 2019

]]>We demonstrate that asymmetric reheating arises in a large ensemble of string compactifications with many axions and gauged dark sectors. This phenomenon may help avoid numerous cosmological problems that may arise if the sectors were reheated democratically. Distributions of couplings are presented...

[Phys. Rev. D 99, 086014] Published Wed Apr 17, 2019

]]>A new branch of quasinormal modes for a massless scalar field propagating on the Schwarzschild spacetime was recently announced [D. Batic, M. Nowakowski, and K. Redway, Phys. Rev. D **98**, 024017 (2018)]. We review the quasinormal modes characterization and arguments and identify the flaws in their pro...

[Phys. Rev. D 99, 088501] Published Wed Apr 17, 2019

]]>We explain why the analysis in our paper [Phys. Rev. D **98**, 024017 (2018)] is relevant and correct.

[Phys. Rev. D 99, 088502] Published Wed Apr 17, 2019

]]>When fitting cross sections with several resonances or interfering background and resonances, one usually obtains multiple solutions of parameters with equal fitting quality. In the present work, we find the source of multiple solutions for a combination of several resonances or interfering backgrou...

[Phys. Rev. D 99, 072007] Published Tue Apr 16, 2019

]]>Lifetimes of the doubly heavy baryons ${\mathcal{B}}_{bb}$ and ${\mathcal{B}}_{bc}$ are analyzed within the framework of the heavy quark expansion (HQE). Lifetime differences arise from the spectator effects such as $W$-exchange and Pauli interference. For doubly bottom baryons, the lifetime pattern is $\tau ({\mathrm{\Omega}}_{bb}^{-})\sim \tau ({\mathrm{\Xi}}_{bb}^{-})>\tau ({\mathrm{\Xi}}_{bb}^{0})$. The ${\mathrm{...}}_{}^{}$

[Phys. Rev. D 99, 073006] Published Tue Apr 16, 2019

]]>In this paper, the excited states of the $\varphi $ meson, especially containing the newly observed $X(2000)$ with $I({J}^{P})=0({1}^{-})$ by the BESIII Collaboration, is studied. In addition, $Y(2175)$ as a $\varphi $ meson excited state is investigated. The mass spectrum and strong decay behaviors of $\varphi $ meson excited states are ana...

[Phys. Rev. D 99, 074015] Published Tue Apr 16, 2019

]]>The $Y(4260)$ has been one of the most puzzling pieces among the so-called $XYZ$ states. In this paper, we try to gain insights into the structure of the $Y(4260)$ from the light-quark perspective. We study the dipion invariant mass spectrum of the ${e}^{+}{e}^{-}\to Y(4260)\to J/\psi {\pi}^{+}{\pi}^{-}$ process and the ratio of the cross s...

[Phys. Rev. D 99, 074016] Published Tue Apr 16, 2019

]]>We predict that ${a}_{0}^{0}(980)-{f}_{0}(980)$ mixing would lead to large $CP$ violation. We calculate the localized direct $CP$ asymmetry in the decays ${B}^{\pm}\to {f}_{0}(980)[{a}_{0}^{0}(980)]{\pi}^{\pm}\to {\pi}^{+}{\pi}^{-}{\pi}^{\pm}$ via the ${a}_{0}^{0}(980)-{f}_{0}(980)$ mixing mechanism based on the hypothetical $q\overline{q}$ structures of ${a}_{0}^{0}(980)$ and ${f}_{0}(980)$ in the QCD factorization app...

[Phys. Rev. D 99, 074017] Published Tue Apr 16, 2019

]]>We construct the relativistic chiral Lagrangians for heavy-light mesons $(Q\overline{q})$ to the $\mathcal{O}({p}^{4})$ order. From $\mathcal{O}({p}^{2})$ to $\mathcal{O}({p}^{4})$, there are 17, 67, and 404 independent terms in the flavor $SU(2)$ case and 20, 84, and 655 independent terms in the flavor $SU(3)$ case. The Lagrangians in the heavy quark limit are als...

[Phys. Rev. D 99, 074018] Published Tue Apr 16, 2019

]]>In preparation for upcoming nucleon decay searches at Hyper-Kamiokande, it is important to derive a theoretical upper bound on the proton lifetime in a general class of grand unified theory (GUT) models. In this paper, we make an attempt along this direction for non-SUSY SU(5) models, under the mild...

[Phys. Rev. D 99, 075018] Published Tue Apr 16, 2019

]]>We calculate the effect of the $P$, $CP$-odd electron-nucleon interaction on the electric dipole moment of the ${}^{199}\mathrm{Hg}$ atom by evaluating the nuclear spin matrix elements in terms of the nuclear shell model. It is found that the neutron spin matrix element of the ${}^{199}\mathrm{Hg}$ nucleus is $\u27e8\mathrm{\Psi}|{\sigma}_{nz}|\mathrm{\Psi}\u27e9\approx -0.4$ with a dom...

[Phys. Rev. D 99, 075021] Published Tue Apr 16, 2019

]]>We show that the decoherence phenomena applied to the neutrino system could lead to an observable breaking of the fundamental $CPT$ symmetry. We require specific textures of nondiagonal decoherence matrices, with nonzero ${\delta}_{CP}$, for making such observations. Using the information from the $CPT$ conjugate c...

[Phys. Rev. D 99, 075022] Published Tue Apr 16, 2019

]]>We study a system consisting of a non-Abelian SU(2) Proca field interacting with nonlinear scalar (Higgs) and spinor fields. For such a system, it is shown that particlelike solutions with finite energy do exist. It is demonstrated that the solutions depend on three free parameters of the system, in...

[Phys. Rev. D 99, 076009] Published Tue Apr 16, 2019

]]>In this work, we study the localized $CP$ violation in ${B}^{-}\to {K}^{-}{\pi}^{+}{\pi}^{-}$ and ${B}^{-}\to {K}^{-}\sigma (600)$ decays by employing the quasi-two-body QCD factorization approach. Both the resonance and the nonresonance contributions are studied for the ${B}^{-}\to {K}^{-}{\pi}^{+}{\pi}^{-}$ decay. The resonance contributions include those not only from $[\pi \pi ]$ ch...

[Phys. Rev. D 99, 076010] Published Tue Apr 16, 2019

]]>The science operations of the LISA Pathfinder mission have demonstrated the feasibility of sub-femto-g free fall of macroscopic test masses necessary to build a gravitational wave observatory in space such as LISA. While the main focus of interest, i.e., the optical axis or the $x$-axis, has been exte...

[Phys. Rev. D 99, 082001] Published Tue Apr 16, 2019

]]>The observation of gravitational waves from compact binary coalescences by LIGO and Virgo has begun a new era in astronomy. A critical challenge in making detections is determining whether loud transient features in the data are caused by gravitational waves or by instrumental or environmental sourc...

[Phys. Rev. D 99, 082002] Published Tue Apr 16, 2019

]]>We show that dark matter with a per-nucleon scattering cross section $\gtrsim {10}^{-28}\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{cm}}^{2}$ could be discovered by liquid scintillator neutrino detectors like Borexino, $\mathrm{SNO}+$, and JUNO. Due to the large dark matter fluxes admitted, these detectors could find dark matter with masses up to $1{0}^{21}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$, surpassing t...

[Phys. Rev. D 99, 083010] Published Tue Apr 16, 2019

]]>Assuming the $\mathrm{\Lambda}\mathrm{CDM}$ model, the CMB and BAO observations indicate a very flat Universe. Model-independent measurements are therefore worth studying. Time delays measured in lensed quasars provide the time delay distances. When compared with the luminosity distances from the supernova Ia (SNe Ia) observ...

[Phys. Rev. D 99, 083514] Published Tue Apr 16, 2019

]]>Constraints on inflationary models typically assume only the standard models of cosmology and particle physics. By extending the neutrino sector to include a new interaction with a light scalar mediator (${m}_{\varphi}\sim \mathrm{MeV}$), it is possible to relax these constraints, in particular via opening up regions of the ...

[Phys. Rev. D 99, 083515] Published Tue Apr 16, 2019

]]>In a previous paper [Phys. Rev. D **97**, 104044 (2018)] we pointed out some shortcomings of the *standard approach* to chameleon theories consisting in treating the small bodies used to test the weak equivalence principle (WEP) as test particles, whose presence do not modify the chameleon field configura...

[Phys. Rev. D 99, 083516] Published Tue Apr 16, 2019

]]>Gravitational wave Bayesian parameter inference involves repeated comparisons of gravitational wave data to generic candidate predictions. Even with algorithmically efficient methods such as RIFT or reduced-order quadrature, the time needed to perform these calculations and the overall computational...

[Phys. Rev. D 99, 084026] Published Tue Apr 16, 2019

]]>We analyze the thermodynamics of massless bosonic systems in $D$-dimensional anti–de Sitter spacetime, considering scalar, electromagnetic, and gravitational fields. Their dynamics are described by Pöschl-Teller effective potentials and quantized in a unified framework, with the determination of the a...

[Phys. Rev. D 99, 084028] Published Tue Apr 16, 2019

]]>Classical phenomenological aspects of acoustic perturbations on a draining bathtub geometry where a surface with a reflectivity $\mathcal{R}$ is set at a small distance from the would-be acoustic horizon, which is excised, are addressed. Like most exotic compact objects featuring an ergoregion but not a horizon...

[Phys. Rev. D 99, 084029] Published Tue Apr 16, 2019

]]>We adapt the techniques of entanglement renormalization tensor networks to weakly interacting quantum field theories in the continuum. A key tool is “quantum circuit perturbation theory,” which enables us to systematically construct unitaries that map between wave functionals which are Gaussian with...

[Phys. Rev. D 99, 085005] Published Tue Apr 16, 2019

]]>Bell-network states are loop-quantum-gravity states that glue quantum polyhedra with entanglement. We present an algorithm and a code that evaluates the reduced density matrix of a Bell-network state and computes its entanglement entropy. In particular, we use our code for simple graphs to study pro...

[Phys. Rev. D 99, 086013] Published Tue Apr 16, 2019

]]>We have examined the impact of new Daya Bay, Double Chooz, and RENO measurements on global fits of reactor antineutrino flux data to a variety of hypotheses regarding the origin of the reactor antineutrino anomaly. In comparing RENO and Daya Bay measurements of inverse beta decay (IBD) yield versus $\mathrm{...}$

[Phys. Rev. D 99, 073005] Published Mon Apr 15, 2019

]]>In this paper we present one-loop results for the renormalization of nonlocal quark bilinear operators, containing a staple-shaped Wilson line, in both continuum and lattice regularizations. The continuum calculations were performed in dimensional regularization, and the lattice calculations for the...

[Phys. Rev. D 99, 074508] Published Mon Apr 15, 2019

]]>We explore a minimal supersymmetric standard model scenario extended by one pair of gauge singlets per generation. In the model, light neutrino masses and their mixings are generated via the inverse seesaw mechanism. In such a scenario, a right-handed sneutrino can be the lightest supersymmetric par...

[Phys. Rev. D 99, 075014] Published Mon Apr 15, 2019

]]>We consider a minimal natural supersymmetric model based on an extra dimension with supersymmetry breaking provided by the Scherk-Schwarz mechanism. The lightest supersymmetric particle is a neutral, quasi-Dirac Higgsino and, unlike in previous studies, we assume that all Standard Model fields are p...

[Phys. Rev. D 99, 075015] Published Mon Apr 15, 2019

]]>New colorless electroweak (EW) charged spin-1 particles with mass of a few TeV arise in numerous extensions of the standard model (SM). Decays of such a vector into a pair of SM particles, either fermions or EW bosons, are well studied. Many of these models have an additional scalar, which can lead ...

[Phys. Rev. D 99, 075016] Published Mon Apr 15, 2019

]]>The deviations with respect to the Standard Model that are currently observed in $b\to s\ell \ell $ transitions (the so-called flavor anomalies) can be interpreted in terms of different new physics (NP) scenarios within a model-independent effective approach. We reconsider the determination of NP in global fits ...

[Phys. Rev. D 99, 075017] Published Mon Apr 15, 2019

]]>After introducing a master formula for the Majorana neutrino mass matrix, we present a master parametrization for the Yukawa matrices automatically in agreement with neutrino oscillation data. This parametrization can be used for any model that induces Majorana neutrino masses. The application of th...

[Phys. Rev. D 99, 075019] Published Mon Apr 15, 2019

]]>In the natural realization of the next-to-minimal supersymmetric Standard Model, Higgsinos tend to be lighter than about several hundred GeVs, which can induce detectable leptonic signals at the LHC as well as large dark matter (DM)-nucleon scattering cross section. We explore the constraints from t...

[Phys. Rev. D 99, 075020] Published Mon Apr 15, 2019

]]>Models of quantum gravity suggest that the vacuum should be regarded as a medium with quantum structure that may have nontrivial effects on photon propagation, including the violation of Lorentz invariance. Fermi Large Area Telescope (LAT) observations of gamma-ray bursts (GRBs) are sensitive probes...

[Phys. Rev. D 99, 083009] Published Mon Apr 15, 2019

]]>The Laser Interferometer Space Antenna (LISA) is a European Space Agency mission that aims to measure gravitational waves in the millihertz range. Laser frequency noise enters the interferometric measurements and dominates the expected gravitational signals by many orders of magnitude. Time-delay in...

[Phys. Rev. D 99, 084023] Published Mon Apr 15, 2019

]]>Gravitational wave and electromagnetic observations can provide new insights into the nature of matter at supranuclear densities inside neutron stars. Improvements in electromagnetic and gravitational wave sensing instruments continue to enhance the accuracy with which they can measure the masses, r...

[Phys. Rev. D 99, 084024] Published Mon Apr 15, 2019

]]>We derive the kinematic Hamiltonian for the so-called “new general relativity” class of teleparallel gravity theories, which is the most general class of theories whose Lagrangian is quadratic in the torsion tensor and does not contain parity violating terms. Our approach makes use of an explicit ex...

[Phys. Rev. D 99, 084025] Published Mon Apr 15, 2019

]]>We analyze the structural and thermodynamic properties of $D$-dimensional ($D\ge 4$), asymptotically flat or anti–de Sitter, electrically charged black hole solutions, resulting from the minimal coupling of general nonlinear electrodynamics to general relativity. This analysis deals with static spherically...

[Phys. Rev. D 99, 084027] Published Mon Apr 15, 2019

]]>Hydrodynamics is a theory of long-range excitations controlled by equations of motion that encode the conservation of a set of currents (energy, momentum, charge, etc.) associated with explicitly realized global symmetries. If a system possesses additional weakly broken symmetries, the low-energy hy...

[Phys. Rev. D 99, 086012] Published Mon Apr 15, 2019

]]>We report the results of a search for the $B\to Y(4260)K$, $Y(4260)\to J/\psi {\pi}^{+}{\pi}^{-}$ decays. This study is based on a data sample corresponding to an integrated luminosity of $711\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$, collected at the $\mathrm{\Upsilon}(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy ${e}^{+}{e}^{-}$ collider. We investigate the $J/\psi {\pi}^{+}{\pi}^{-}$ ...

[Phys. Rev. D 99, 071102(R)] Published Fri Apr 12, 2019

]]>The Majorana Demonstrator is an ultra-low-background experiment searching for neutrinoless double-beta decay in ${}^{76}\mathrm{Ge}$. The heavily shielded array of germanium detectors, placed nearly a mile underground at the Sanford Underground Research Facility in Lead, South Dakota, also allows searches for new e...

[Phys. Rev. D 99, 072004] Published Fri Apr 12, 2019

]]>Using $1.31\times 1{0}^{9}$ $J/\psi $ events collected by the BESIII detector at the Beijing Electron Positron Collider, we search for the process $J/\psi \to {\mathrm{\Lambda}}_{c}^{+}{e}^{-}+\mathrm{c}.\mathrm{c}.$ for the first time. In this process, both baryon and lepton number conservation is violated. No signal is found and the upper limit on the branching fraction...

[Phys. Rev. D 99, 072006] Published Fri Apr 12, 2019

]]>We study the three-body antitriplet ${\mathbf{B}}_{\mathbf{c}}\to {\mathbf{B}}_{\mathbf{n}}M{M}^{\prime}$ decays with the $SU(3)$ flavor [$SU(3{)}_{f}$] symmetry, where ${\mathbf{B}}_{\mathbf{c}}$ denotes the charmed baryon antitriplet of $({\mathrm{\Xi}}_{c}^{0},-{\mathrm{\Xi}}_{c}^{+},{\mathrm{\Lambda}}_{c}^{+})$, and ${\mathbf{B}}_{\mathbf{n}}$ and $M({M}^{\prime})$ represent baryon and meson octets, respectively. By considering only the S-wave $M{M}^{\prime}$-pair contributions without resonance ef...

[Phys. Rev. D 99, 073003] Published Fri Apr 12, 2019

]]>Numerical calculation of two-loop electroweak corrections to the muon anomalous magnetic moment ($g-2$) is done based on on shell renormalization scheme (OS) and free quark model (FQM). The GRACE-FORM system is used to generate Feynman diagrams and corresponding amplitudes. Total 1780 two-loop diagram...

[Phys. Rev. D 99, 073004] Published Fri Apr 12, 2019

]]>We investigate $\eta $ photoproduction off the neutron target, i.e., $\gamma n\to \eta n$, employing an effective Lagrangian method combining with a Regge approach. As a background, we consider nucleon exchange in the $s$-channel diagram and $\rho $- and $\omega $-meson Regge trajectories in the $t$ channel. The role of nucleon resonance...

[Phys. Rev. D 99, 074010] Published Fri Apr 12, 2019

]]>We compute the electric dipole transitions ${\chi}_{bJ}(1P)\to \gamma \mathrm{\Upsilon}(1S)$, with $J=0$, 1, 2, and ${h}_{b}(1P)\to \gamma {\eta}_{b}(1S)$ in a model-independent way. We use potential nonrelativistic QCD (pNRQCD) at weak coupling with either the Coulomb potential or the complete static potential incorporated in the leading order Hamiltonian. I...

[Phys. Rev. D 99, 074011] Published Fri Apr 12, 2019

]]>We investigate the behavior of the doubly heavy spin-$3/2$ baryons in cold nuclear matter. In particular, we study the variations of the spectroscopic parameters of the ground state ${\mathrm{\Xi}}_{Q{Q}^{\prime}}^{*}$ and ${\mathrm{\Omega}}_{Q{Q}^{\prime}}^{*}$ particles, with $Q$ and ${Q}^{\prime}$ being $b$ or $c$ quark, with respect to the changes in the density of the nuclear m...

[Phys. Rev. D 99, 074012] Published Fri Apr 12, 2019

]]>We construct directly the quark-antiquark scattering kernels of Bethe-Salpeter equation from the quark self-energy, under two specific forms of quark-gluon vertices. The quark dressed tensor vertex is then calculated within this consistent framework and rainbow-ladder (RL) approximation. After emplo...

[Phys. Rev. D 99, 074013] Published Fri Apr 12, 2019

]]>We calculate cross section for production of ${\chi}_{c}$ pairs in proton-proton collisions. The cross section for the $gg\to {\chi}_{c{J}_{1}}{\chi}_{c{J}_{2}}$ is considerably smaller (especially for the ${\chi}_{c1}{\chi}_{c1}$ final state) than that obtained recently in the ${k}_{T}$-factorization approach. We calculate therefore next-to-leading order (NLO) co...

[Phys. Rev. D 99, 074014] Published Fri Apr 12, 2019

]]>We present a lattice QCD spectroscopy study in the isospin singlet, strangeness $-2$ sectors relevant for the conjectured $H$ dibaryon. We employ both local and bilocal interpolating operators to isolate the ground state in the rest frame and in moving frames. Calculations are performed using two flavor...

[Phys. Rev. D 99, 074505] Published Fri Apr 12, 2019

]]>The recently introduced parity expanded variational analysis (PEVA) technique allows for the isolation of baryon eigenstates at finite momentum free from opposite-parity contamination. In this paper, we establish the formalism for computing form factors of spin-$1/2$ states using PEVA. Selecting the v...

[Phys. Rev. D 99, 074506] Published Fri Apr 12, 2019

]]>We present the first exploratory lattice QCD calculation of the pion valence quark distribution extracted from spatially separated current-current correlations in coordinate space. We show that an antisymmetric combination of vector and axial-vector currents provides direct information on the pion v...

[Phys. Rev. D 99, 074507] Published Fri Apr 12, 2019

]]>We investigate the sensitivity of future space-based interferometers such as LISA and DECIGO to the parameters of new particle physics models which drive a first-order phase transition in the early Universe. We first perform a Fisher matrix analysis on the quantities characterizing the gravitational...

[Phys. Rev. D 99, 075011] Published Fri Apr 12, 2019

]]>We study the minimal type-III seesaw model in which we extend the standard model by adding two $SU(2{)}_{L}$ triplet fermions with zero hypercharge to explain the origin of the nonzero neutrino masses. We show that the naturalness conditions and the limits from lepton flavor violating decays provide very s...

[Phys. Rev. D 99, 075012] Published Fri Apr 12, 2019

]]>There are discrepancies between the experimental results and the Standard Model predictions, in the lepton flavor universality of the semileptonic $B$ decays: $B\to {D}^{(*)}\ell \nu $. As the new physics interpretations, new charged vector and charged scalar fields, that dominantly couple to the second and third gene...

[Phys. Rev. D 99, 075013] Published Fri Apr 12, 2019

]]>We study Dark Matter (DM) phenomenology with multiple DM species consisting of both scalar and vector DM particles. More specifically, we study the hidden gauged SU(3) model of Arcadi *et al.* Before proceeding to the hidden gauged SU(3) model, we study the relic abundances of simplified multispecies ...

[Phys. Rev. D 99, 076008] Published Fri Apr 12, 2019

]]>In highly conducting astrophysical plasmas, charged particles are generically accelerated through Fermi-type processes involving repeated interactions with moving magnetized scattering centers. The present paper proposes a generalized description of these acceleration processes, by following the mom...

[Phys. Rev. D 99, 083006] Published Fri Apr 12, 2019

]]>The origin of sub-TeV gamma rays detected by the *Fermi*-Large Area Telescope (LAT) from the *Fermi* bubbles (FBs) at the Galactic center is still uncertain. In a hadronic model, acceleration of protons and/or nuclei and their subsequent interactions with gas in the bubble volume can produce the observe...

[Phys. Rev. D 99, 083007] Published Fri Apr 12, 2019

]]>We consider gravitationally bound states of asymmetric dark matter (ADM stars), and the impact of ADM capture on the stability of neutron stars. We derive and interpret the equation of state for ADM with both attractive and repulsive interactions, and solve the Tolman-Oppenheimer-Volkoff equations t...

[Phys. Rev. D 99, 083008] Published Fri Apr 12, 2019

]]>The Palatini $f(|\widehat{\mathrm{\Omega}}|)$ gravity is a generalized theory of the Eddington-inspired Born-Infeld gravity, where ${{\mathrm{\Omega}}^{K}}_{N}\equiv {{\delta}^{K}}_{N}+b{g}^{KL}{R}_{LN}(\mathrm{\Gamma})$ is an auxiliary tensor constructed with the spacetime metric $g$ and independent connection $\mathrm{\Gamma}$. In this paper, we study $f(|\widehat{\mathrm{\Omega}}|)$ theory with $f(|\widehat{\mathrm{\Omega}}|)=|\widehat{\mathrm{\Omega}}{|}^{\frac{1}{2}+n}$ in the thick brane sc...

[Phys. Rev. D 99, 084020] Published Fri Apr 12, 2019

]]>We present a time-dependent uniform-density interior Schwarzschild solution, an exact solution to the Einstein field equations. Our solution describes the collapse (or the time-reversed expansion) of an object from an infinite radius to an intermediate radius of $9/8$ of the Schwarzschild radius, at w...

[Phys. Rev. D 99, 084021] Published Fri Apr 12, 2019

]]>We investigate the propagation of primordial gravitational waves within the context of the Horndeski theories; for this, we present a generalized transfer function quantifying the subhorizon evolution of gravitational wave modes after they enter the horizon. We compare the theoretical prediction of ...

[Phys. Rev. D 99, 084022] Published Fri Apr 12, 2019

]]>Discrete formulations of (quantum) gravity in four spacetime dimensions build space out of tetrahedra. We investigate a statistical mechanical system of tetrahedra from a many-body point of view based on nonlocal, combinatorial gluing constraints that are modeled as multiparticle interactions. We fo...

[Phys. Rev. D 99, 086011] Published Fri Apr 12, 2019

]]>This work introduces a new method for evaluating loop Feynman integrals by relating them, via analytic continuation, to a series of vacuum integrals. The technique is demonstrated via two-loop gg->ggg and gg->HH and is found to compare favorably with existing methods.

[Phys. Rev. D 99, 071501(R)] Published Thu Apr 11, 2019

]]>Using data samples collected by the BESIII detector operating at the BEPCII storage ring, we measure the ${e}^{+}{e}^{-}\to {K}_{S}^{0}{K}^{\pm}{\pi}^{\mp}$ Born cross sections at center-of-mass energies between 3.8 and 4.6 GeV, corresponding to a luminosity of about $5.0\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$. The results are compatible with the *BABAR* measurements, but ...

[Phys. Rev. D 99, 072005] Published Thu Apr 11, 2019

]]>We study the real time dynamics of ${N}_{f}$ flavors of fermions coupled to a $U(1)$ gauge field in $2+1$ dimensions to leading order in a $1/{N}_{f}$ expansion. For large enough ${N}_{f}$, this is an interacting conformal field theory and describes the low energy properties of the Dirac spin liquid. We focus on thermalizat...

[Phys. Rev. D 99, 076007] Published Thu Apr 11, 2019

]]>We use a range of cosmological data to constrain phenomenological modifications to general relativity on cosmological scales, through modifications to the Poisson and lensing equations. We include cosmic microwave background anisotropy measurements from the *Planck* satellite, cosmic shear from CFHTLe...

[Phys. Rev. D 99, 083512] Published Thu Apr 11, 2019

]]>Structure formation simulations of ultralight bosonic dark matter, ruled by the Gross-Pitaevskii-Poisson (GPP) system of equations, show that dark matter clumps to form structures with density profiles consisting of a core surrounded by a power-law distribution. The core has a density profile simila...

[Phys. Rev. D 99, 083513] Published Thu Apr 11, 2019

]]>We construct Lorentz-invariant massless and massive spin-2 theories in flat spacetime. Starting from the most generic action of a rank-2 symmetric tensor field whose Lagrangian contains up to quadratic in first derivatives of a field, we investigate the possibility of new theories by using the Hamil...

[Phys. Rev. D 99, 084018] Published Thu Apr 11, 2019

]]>Recent progress seems to suggest that one must modify general relativity (GR) to stably violate the null energy condition and avoid the cosmological singularity. However, with higher-order derivative operators of the scalar field (a subclass of the degenerate higher-order scalar-tensor theory), we s...

[Phys. Rev. D 99, 084019] Published Thu Apr 11, 2019

]]>The MiniBooNE low-energy excess is a long-standing problem which has received further confirmation with a reanalysis using newly collected data, with the anomaly now at the $4.8\sigma $ level. In this paper we propose a novel explanation which advocates a low-energy sector containing ${Z}^{\prime}$ bosons with GeV-scal...

[Phys. Rev. D 99, 071701(R)] Published Wed Apr 10, 2019

]]>A measurement of production cross sections of the Higgs boson in proton-proton collisions is presented in the $H\to \tau \tau $ decay channel. The analysis is performed using $36.1\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$ of data recorded by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy of $\sqrt{s}=13\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$. All combinations...

[Phys. Rev. D 99, 072001] Published Wed Apr 10, 2019

]]>PHENIX reports differential cross sections of $\mu \mu $ pairs from semileptonic heavy-flavor decays and the Drell-Yan production mechanism measured in $p+p$ collisions at $\sqrt{s}=200\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$ at forward and backward rapidity ($1.2<|\eta |<2.2$). The $\mu \mu $ pairs from $c\overline{c}$, $b\overline{b}$, and Drell-Yan are separated using a template ...

[Phys. Rev. D 99, 072003] Published Wed Apr 10, 2019

]]>In this work, we use the pQCD approach to calculate 20 ${B}_{(s)}\to {D}_{s0}^{*}(2317)P(V)$ two body decays by assuming ${D}_{s0}^{*}(2317)$ as a $\overline{c}s$ scalar meson, where $P(V)$ denotes a pseudoscalar (vector) meson. These ${B}_{(s)}$ decays can serve as an ideal platform to probe the valuable information on the inner structure of the ...

[Phys. Rev. D 99, 073002] Published Wed Apr 10, 2019

]]>Collinear and transverse-momentum-dependent (TMD) parton densities are obtained from fits to precision measurements of deep-inelastic scattering (DIS) cross sections at HERA. The parton densities are evolved by Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution with next-to-leading-order (NLO) spl...

[Phys. Rev. D 99, 074008] Published Wed Apr 10, 2019

]]>Heavy sterile neutrinos are typically invoked to accommodate the observed neutrino masses, by positing a new Yukawa term connecting these new states to the neutrinos in the electroweak doublet. However, given our ignorance of the neutrino sector, we should explore additional interactions such steril...

[Phys. Rev. D 99, 075010] Published Wed Apr 10, 2019

]]>The mass sensitivity of the chiral phase transition of QCD with and without axial ${U}_{A}(1)$-symmetry breaking at vanishing and finite quark chemical potential is investigated. To focus on the low-energy sector of QCD, a quark-meson model with three dynamical quark flavors is employed. Nonperturbative qu...

[Phys. Rev. D 99, 076005] Published Wed Apr 10, 2019

]]>[Phys. Rev. D 99, 079902] Published Wed Apr 10, 2019

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