A measurement of the production cross section for two isolated photons in proton-proton collisions at a center-of-mass energy of $\sqrt{s}=8\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$ is presented. The results are based on an integrated luminosity of $20.2\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$ recorded by the ATLAS detector at the Large Hadron Collider. The measurement conside...

[Phys. Rev. D 95, 112005] Published Tue Jun 27, 2017

]]>The spin-independent and transversity generalized form factors (GFFs) of the $\varphi $ meson are studied using lattice QCD calculations with light quark masses corresponding to a pion mass ${m}_{\pi}\sim 450(5)\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{MeV}$. One transversity and three spin-independent GFFs related to the lowest moments of leading-twist spin-in...

[Phys. Rev. D 95, 114515] Published Tue Jun 27, 2017

]]>We show that the longitudinal beam polarization option at a future electron-positron collider provides an unambiguous distinction between low-scale type-I seesaw models of neutrino mass. In particular, the pair production cross section of the heavy neutrinos in seesaw models is shown to be enhanced ...

[Phys. Rev. D 95, 115031] Published Tue Jun 27, 2017

]]>We present a new mechanism to produce the dark photon (${\gamma}^{\prime}$) in the early Universe with the help of the axion ($a$) using a recently proposed dark axion portal. The dark photon, a light gauge boson in the dark sector, can be relic dark matter if its lifetime is long enough. The main process we consider ...

[Phys. Rev. D 95, 115032] Published Tue Jun 27, 2017

]]>Results are presented from a semicoherent search for continuous gravitational waves from the brightest low-mass X-ray binary, Scorpius X-1, using data collected during the first Advanced LIGO observing run. The search combines a frequency domain matched filter (Bessel-weighted $\mathcal{F}$-statistic) with a hi...

[Phys. Rev. D 95, 122003] Published Tue Jun 27, 2017

]]>Dark matter drops out of kinetic equilibrium with standard model particles when the momentum-transfer rate equals the expansion rate. In a radiation-dominated universe, this occurs at essentially the same time as dark matter kinetically decouples from the plasma. Dark matter may also fall out of kin...

[Phys. Rev. D 95, 123531] Published Tue Jun 27, 2017

]]>We study a class of limits of the higher-dimensional Kerr-NUT-(A)dS spacetimes where particular roots of metric functions degenerate. Namely, we obtain the Taub-NUT-(A)dS and the extreme near-horizon geometries as two examples of our limiting procedure. The symmetries of the resulting spacetimes are...

[Phys. Rev. D 95, 124044] Published Tue Jun 27, 2017

]]>In this paper, the generic part of the gauge theory of gravity is derived, based merely on the action principle and on the general principle of relativity. We apply the canonical transformation framework to formulate geometrodynamics as a gauge theory. The starting point of our paper is constituted ...

[Phys. Rev. D 95, 124048] Published Tue Jun 27, 2017

]]>We consider the conversion of an electric field into photons as a secondary probe of the dynamical Schwinger process. In spatially homogeneous electric fields, quantum fluctuations of electron-positron (${e}^{+}{e}^{-}$) pairs are lifted on the mass shell leaving asymptotically a small finite pair density. The ${\mathrm{...}}^{}$

[Phys. Rev. D 95, 125007] Published Tue Jun 27, 2017

]]>In the Standard Model (SM) we calculate the decay rate of the neutron radiative ${\beta}^{-}$ decay to order $O({\alpha}^{2}/{\pi}^{2}\sim {10}^{-5})$, where $\alpha $ is the fine-structure constant, and radiative corrections to order $O(\alpha /\pi \sim {10}^{-3})$. The obtained results together with the recent analysis of the neutron radiative ${\beta}^{-}$ decay to next-to...

[Phys. Rev. D 95, 113006] Published Mon Jun 26, 2017

]]>We propose a practical effective model by introducing temperature ($T$) dependence to the coupling strengths of four-quark and six-quark Kobayashi–Maskawa–’t Hooft interactions in the $2+1$ flavor Polyakov-loop extended Nambu–Jona-Lasinio model. The $T$ dependence is determined from lattice QCD (LQCD) dat...

[Phys. Rev. D 95, 114022] Published Mon Jun 26, 2017

]]>We present results on the light, strange and charm nucleon scalar and tensor charges from lattice QCD, using simulations with ${N}_{f}=2$ flavors of twisted mass clover-improved fermions with a physical value of the pion mass. Both connected and disconnected contributions are included, enabling us to extra...

[Phys. Rev. D 95, 114514] Published Mon Jun 26, 2017

]]>The lack of observation of supersymmetry thus far implies that the weak supersymmetry scale is larger than what was thought before the LHC era. This observation is strengthened by the Higgs boson mass measurement at $\sim 125\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$, which within supersymmetric models implies a large loop correction and a ...

[Phys. Rev. D 95, 115030] Published Mon Jun 26, 2017

]]>The renormalization that relates a coupling “a” associated with a distinct renormalization group beta function in a given theory is considered. Dimensional regularization and mass independent renormalization schemes are used in this discussion. It is shown how the renormalization ${a}^{*}=a+{x}_{2}{a}^{2}$ is relate...

[Phys. Rev. D 95, 116013] Published Mon Jun 26, 2017

]]>We evaluate the octupole in the large-${N}_{c}$ limit in the McLerran-Venugopalan model and derive a general expression of the 2n-point correlator, which can be applied in analytical studies of the multiparticle production in the scatterings between hard probes and dense targets.

[Phys. Rev. D 95, 116014] Published Mon Jun 26, 2017

]]>[Phys. Rev. D 95, 119903] Published Mon Jun 26, 2017

]]>We derive constraints on the coupling constants of axionlike particles to nucleons and on the Yukawa-type corrections to Newton’s gravitational law from the results of recent experiment on measuring the difference of Casimir forces between a Ni-coated sphere and Au and Ni sectors of a structured dis...

[Phys. Rev. D 95, 123013] Published Mon Jun 26, 2017

]]>It is widely believed that Galactic cosmic rays are originated in supernova remnants (SNRs), where they are accelerated by a diffusive shock acceleration (DSA) process in supernova blast waves driven by expanding SNRs. In recent theoretical developments of the DSA theory in SNRs, protons are expecte...

[Phys. Rev. D 95, 123014] Published Mon Jun 26, 2017

]]>We adapt the well-known “displace, cut and reflect” method to construct exact solutions of the Einstein-Maxwell equations corresponding to infinitesimally thin disks of matter endowed with dipole magnetic fields, which are entirely supported by surface polar currents on the disk. Our starting point ...

[Phys. Rev. D 95, 124040] Published Mon Jun 26, 2017

]]>Following a program on black hole nonmodal linear stability initiated by one of the authors [Phys. Rev. Lett. **112**, 191101 (2014)], we study odd linear perturbations of the Einstein-Maxwell equations around a Reissner-Nordström anti–de Sitter black hole. We show that all the gauge invariant informati...

[Phys. Rev. D 95, 124041] Published Mon Jun 26, 2017

]]>Binary black hole mergers are among the most violent events in the Universe, leading to extreme warping of spacetime and copious emission of gravitational radiation. Even though black holes are the most compact objects they are not necessarily the most efficient emitters of gravitational radiation i...

[Phys. Rev. D 95, 124042] Published Mon Jun 26, 2017

]]>Motivated by the problem of stability of anti–de Sitter (AdS) spacetime, we discuss nonlinear gravitational perturbations of maximally symmetric solutions of vacuum Einstein equations in general and the case of AdS in particular. We present the evidence that, similarly to the self-gravitating scalar...

[Phys. Rev. D 95, 124043] Published Mon Jun 26, 2017

]]>We present several new exact solutions in five- and higher-dimensional Einstein-Maxwell theory by embedding the Nutku instanton. The metric functions for the five-dimensional solutions depend only on a radial coordinate and on two spatial coordinates for the six- and higher-dimensional solutions. Th...

[Phys. Rev. D 95, 124045] Published Mon Jun 26, 2017

]]>Astrophysical black holes arise either from the collapse of stars or through previous binary black hole mergers. What can we say about the populations of ”first generation” and ”second generation” black holes participating in binary mergers? This paper shows how one can test models of these populations using gravitational wave astronomy of binary mergers.

[Phys. Rev. D 95, 124046] Published Mon Jun 26, 2017

]]>Einstein’s theory of General Relativity implies that energy, i.e., matter, curves space-time and thus deforms lightlike geodesics, giving rise to gravitational lensing. This phenomenon is well understood in the case of the Schwarzschild metric and has been accurately described in the past; however, ...

[Phys. Rev. D 95, 124047] Published Mon Jun 26, 2017

]]>We investigate critical $N$-component scalar field theories and the spontaneous breaking of scale invariance in three dimensions using functional renormalization. Global and local renormalization group flows are solved analytically in the infinite $N$ limit to establish the exact phase diagram of the th...

[Phys. Rev. D 95, 125006] Published Mon Jun 26, 2017

]]>We use dimensional regularization in pure quantum gravity on a de Sitter background to evaluate the one-loop expectation value of an invariant operator which gives the local expansion rate. We show that the renormalization of this nonlocal composite operator can be accomplished using the counterterm...

[Phys. Rev. D 95, 125008] Published Mon Jun 26, 2017

]]>The ${P}_{c}(4380)$ and ${P}_{c}(4450)$ states observed recently by the LHCb experiment were proposed to be either $\overline{D}{\mathrm{\Sigma}}_{c}^{*}$ or ${\overline{D}}^{*}{\mathrm{\Sigma}}_{c}$ bound states. We analyze the decay behaviors of two such types of hadronic molecules within the effective Lagrangian framework. With branching ratios of ten possible decay channels cal...

[Phys. Rev. D 95, 114017] Published Fri Jun 23, 2017

]]>Three-body decay of charmed baryons ${\Lambda}_{c}^{*}(2595)$ and ${\Lambda}_{c}^{*}(2625)$ into ${\Lambda}_{c}\pi \pi $ are studied with effective Lagrangians in which the coupling constants are extracted from the nonrelativistic quark model. We take into account sequential processes going through ${\Sigma}_{c}(2455)$ and ${\Sigma}_{c}^{*}(2520)$ in intermediate states. The ...

[Phys. Rev. D 95, 114018] Published Fri Jun 23, 2017

]]>We present a systematic investigation of the possible molecular states composed of a pair of doubly charmed baryons (${\mathrm{\Xi}}_{cc}{\mathrm{\Xi}}_{cc}$) or one doubly charmed baryon and one doubly charmed antibaryon $({\mathrm{\Xi}}_{cc}{\overline{\mathrm{\Xi}}}_{cc})$ within the framework of the one-boson-exchange-potential model. For the spin-triplet systems, we take ...

[Phys. Rev. D 95, 114019] Published Fri Jun 23, 2017

]]>We study the semi-inclusive limit of the deep inelastic scattering and Drell-Yan (DY) processes in soft collinear effective theory. In this regime so-called threshold logarithms must be resummed to render perturbation theory well behaved. Part of this resummation occurs via the Dokshitzer, Gribov, L...

[Phys. Rev. D 95, 114020] Published Fri Jun 23, 2017

]]>The transport coefficients of quark matter at nonzero chemical potential and temperature are computed within the two-flavor Nambu–Jona-Lasinio model. We apply the Kubo formalism to obtain the thermal ($\kappa $) and electrical ($\sigma $) conductivities as well as an update of the shear viscosity ($\eta $) by evaluating ...

[Phys. Rev. D 95, 114021] Published Fri Jun 23, 2017

]]>The lattice Dirac equation is formulated on a simplicial complex which approximates a smooth Riemann manifold by introducing a lattice vierbein on each site and a lattice spin connection on each link. Care is taken so the construction applies to any smooth D-dimensional Riemannian manifold that perm...

[Phys. Rev. D 95, 114510] Published Fri Jun 23, 2017

]]>It has become customary to use a smoothing algorithm called “gradient flow” to fix the lattice spacing in a simulation, through a parameter called ${t}_{0}$. It is shown that, in order to keep the length ${t}_{0}$ fixed with respect to mesonic or gluonic observables as the number of colors ${N}_{c}$ is varied, the fiduc...

[Phys. Rev. D 95, 114512] Published Fri Jun 23, 2017

]]>Lattice QCD calculations with background magnetic fields are used to determine the magnetic moments of the octet baryons. Computations are performed at the physical value of the strange quark mass, and two values of the light quark mass, one corresponding to the $SU(3{)}_{F}$-symmetric point, where the pio...

[Phys. Rev. D 95, 114513] Published Fri Jun 23, 2017

]]>Previous studies of a three family Yukawa unified supersymmetric (SUSY) grand unified theory with SO(10) or Pati-Salam (PS) gauge symmetry proposed by Raby and students show that this model is able to fit low energy and inflation observables. However, the fit to low energy observables is not great e...

[Phys. Rev. D 95, 115025] Published Fri Jun 23, 2017

]]>We present a dynamical cosmological solution that simultaneously accounts for the early inflationary stage of the Universe and solves the supersymmetric little hierarchy problem via the relaxion mechanism. First, we consider an inflationary potential arising from the $D$ term of a new $U(1)$ gauge symme...

[Phys. Rev. D 95, 115027] Published Fri Jun 23, 2017

]]>We study the sensitivity of the COHERENT experiment’s stopped pion source of neutrinos at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory to neutrino non-standard interactions (NSI). In particular, we find that simple event counting above threshold can improve constraints on NSI...

[Phys. Rev. D 95, 115028] Published Fri Jun 23, 2017

]]>The interpretation of the baryon asymmetry of the Universe necessitates the $CP$ violation beyond the Standard Model (SM). We present a general cancellation mechanism in the theoretical predictions of the electron electric dipole moments (EDM), quark chromo-EDMs, and Weinberg operators. A relative lar...

[Phys. Rev. D 95, 115029] Published Fri Jun 23, 2017

]]>Mesonic and nucleon fluctuation effects are investigated in medium. We couple the nucleon field to the $2+1$ flavor meson model and investigate the finite temperature and density behavior of the system, in particular, the axial anomaly function. Somewhat contrary to earlier expectations, we find that ...

[Phys. Rev. D 95, 116011] Published Fri Jun 23, 2017

]]>We use a variant of the $D4-D8$ construction that includes two chiral and one heavy meson, to describe heavy-light baryons and their exotics as heavy mesons bound to a flavor instanton in bulk. At strong coupling, the heavy meson is shown to *always bind* in the form of a flavor instanton zero mode in t...

[Phys. Rev. D 95, 116012] Published Fri Jun 23, 2017

]]>Cosmic acceleration is widely believed to require either a source of negative pressure (i.e., dark energy), or a modification of gravity, which necessarily implies new degrees of freedom beyond those of Einstein gravity. In this paper we present a third possibility, using only dark matter (DM) and o...

[Phys. Rev. D 95, 123530] Published Fri Jun 23, 2017

]]>The ($2+1$)-dimensional non-Fermi liquid (NFL) has a dual description in the ($3+1$)-dimensional anti–de Sitter (AdS) spacetime. We begin with a dyonic Reissner-Nordstrom (RN) black brane background, and consider the bulk Dirac fermion field coupled with the background $U(1)$ gauge field, as well an intri...

[Phys. Rev. D 95, 124026] Published Fri Jun 23, 2017

]]>We construct exact solutions representing a Friedmann-Lemaître-Robsertson-Walker (FLRW) universe in a generalized hybrid metric-Palatini theory. By writing the gravitational action in a scalar-tensor representation, the new solutions are obtained by either making an ansatz on the scale factor or on ...

[Phys. Rev. D 95, 124035] Published Fri Jun 23, 2017

]]>We show that a partially massless graviton can propagate on a large set of spacetimes which are not Einstein spacetimes. Starting from a recently constructed theory for a massive graviton that propagates the correct number of degrees of freedom on an arbitrary spacetime, we first give the full expli...

[Phys. Rev. D 95, 124036] Published Fri Jun 23, 2017

]]>We extend the classical results on the symmetry inheritance of the canonical electromagnetic fields, described by the Maxwell’s Lagrangian, to a much wider class of models, which include those of the Born-Infeld, power Maxwell and the Euler-Heisenberg type. Symmetry inheriting fields allow the intro...

[Phys. Rev. D 95, 124037] Published Fri Jun 23, 2017

]]>We introduce simple generic models of surface dynamics in loop quantum gravity (LQG). A quantum surface is defined as a set of elementary patches of area glued together. We provide it with an extra structure of locality (nearest neighbors), thought of as induced by the whole spin network state defin...

[Phys. Rev. D 95, 124038] Published Fri Jun 23, 2017

]]>We study physical properties of constant curvature black holes in Einstein–anti-de Sitter (AdS) gravity. These objects, which are locally AdS throughout the space, are constructed from identifications of global AdS spacetime, in a similar fashion as the Banados-Teitelboim-Zanelli black hole in three...

[Phys. Rev. D 95, 124039] Published Fri Jun 23, 2017

]]>In the framework of open quantum systems, we analyze data from KamLAND by using a model that considers neutrino oscillation in a three-family approximation with the inclusion of the decoherence effect. Using a ${\chi}^{2}$ test, we find new limits for the decoherence parameter, which we call $\gamma $, considering th...

[Phys. Rev. D 95, 113005] Published Thu Jun 22, 2017

]]>We present a calculation of the strange and charm quark contributions to the nucleon spin from the anomalous Ward identity (AWI). This is performed with overlap valence quarks on $2+1$-flavor domain-wall fermion gauge configurations on a $2{4}^{3}\times 64$ lattice with lattice spacing ${a}^{-1}=1.73\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$ and the light ...

[Phys. Rev. D 95, 114509] Published Thu Jun 22, 2017

]]>The hypothesis that the QCD vacuum can be modeled as a dual superconductor is a powerful tool to describe the distribution of the color field generated by a quark-antiquark static pair and, as such, can provide useful clues for the understanding of confinement. In this work we investigate, by lattic...

[Phys. Rev. D 95, 114511] Published Thu Jun 22, 2017

]]>New hidden particles could potentially be emitted and discovered in rare nuclear transitions. In this work, we investigate the production of hidden vector bosons with primarily axial couplings to light quarks in nuclear transitions, and we apply our results to the recent anomaly seen in ${}^{8}\mathrm{Be}$ decays. ...

[Phys. Rev. D 95, 115024] Published Thu Jun 22, 2017

]]>A wide variety of unified models predict asymptotic relations at ${M}_{\mathrm{GUT}}$ between the b quark and $\tau $ lepton Yukawa couplings. Within the framework of supersymmetric $\mathrm{SU}(4)\times {\mathrm{SU}(2)}_{L}\times {\mathrm{SU}(2)}_{R}$, we explore regions of the parameter space that are compatible with $\mathrm{b}\text{\u2212}\tau $ quasi Yukawa Unification, Higgsinos being the li...

[Phys. Rev. D 95, 115026] Published Thu Jun 22, 2017

]]>The strong and radiative decay properties of the low-lying ${\mathrm{\Omega}}_{c}$ states are studied in a constituent quark model. We find that the newly observed ${\mathrm{\Omega}}_{c}$ states by the LHCb Collaboration can fit well in the decay patterns. Thus, their spin parity can possibly be assigned as the following: (i) ${\mathrm{\Omega}}_{c}(3000)$ has ${J}^{\mathrm{...}}$

[Phys. Rev. D 95, 116010] Published Thu Jun 22, 2017

]]>Dwarf spheroidals are low-luminosity satellite galaxies of the Milky Way highly dominated by dark matter (DM). Therefore, they are prime targets to search for signals from dark matter annihilation using gamma-ray observations. While the typical assumption is that the dark matter density profile of t...

[Phys. Rev. D 95, 123012] Published Thu Jun 22, 2017

]]>Building on the analytical description of the post-merger (ringdown) waveform of coalescing, nonprecessing, spinning binary black holes introduced by Damour and Nagar [Phys. Rev. D **90**, 024054 (2014)], we propose an analytic, closed form, time-domain, representation of the $\ell =m=2$ gravitational radiati...

[Phys. Rev. D 95, 124034] Published Thu Jun 22, 2017

]]>This paper is divided into two parts. In the first part, the material densities passed through for neutrinos going from FNAL to Sanford Laboratory are calculated using two recent density tables, Crustal [G. Laske, G. Masters, Z. Ma, and M. Pasyanos, Update on CRUST1.0—A 1-degree global model of Eart...

[Phys. Rev. D 95, 113004] Published Wed Jun 21, 2017

]]>In the context of operator product expansion (OPE) and using the large-${\beta}_{0}$ approximation, we propose a method to define Wilson coefficients free from uncertainties due to IR renormalons. We first introduce a general observable $X({Q}^{2})$ with an explicit IR cutoff, and then we extract a genuine UV contrib...

[Phys. Rev. D 95, 114016] Published Wed Jun 21, 2017

]]>We present constraints on the reheating era within the string fiber inflation scenario, in terms of the effective equation-of-state parameter of the reheating fluid, ${w}_{\mathrm{reh}}$. The results of the analysis, completely independent on the details of the inflaton physics around the vacuum, illustrate the beh...

[Phys. Rev. D 95, 123528] Published Wed Jun 21, 2017

]]>We report a measurement of the power spectrum of cosmic microwave background (CMB) lensing from two seasons of Atacama Cosmology Telescope polarimeter (ACTPol) CMB data. The CMB lensing power spectrum is extracted from both temperature and polarization data using quadratic estimators. We obtain resu...

[Phys. Rev. D 95, 123529] Published Wed Jun 21, 2017

]]>Exact solutions describing the spherical collapse of null fluids can contain regions which violate the energy conditions. Physically the violations occur when the infalling matter continues to move inward even when nongravitational repulsive forces become stronger than gravity. In 1991 Ori proposed ...

[Phys. Rev. D 95, 124033] Published Wed Jun 21, 2017

]]>We present a combination of measurements of the top quark mass by the D0 experiment in the $\mathrm{lepton}+\text{jets}$ and dilepton channels. We use all the data collected in Run I (1992–1996) at $\sqrt{s}=1.8\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$ and Run II (2001–2011) at $\sqrt{s}=1.96\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$ of the Tevatron $p\overline{p}$ collider, corresponding to integrated luminosities ...

[Phys. Rev. D 95, 112004] Published Tue Jun 20, 2017

]]>Precise predictions for Higgs production via vector-boson fusion (VBF) play an important role when testing the properties of the Higgs boson and probing new-physics effects. While the inclusive cross section changes little when including next-to-next-to-leading order (NNLO) and next-to-next-to-next-...

[Phys. Rev. D 95, 114015] Published Tue Jun 20, 2017

]]>The simulation of lattice gauge theories with tensor network (TN) methods is becoming increasingly fruitful. The vision is that such methods will, eventually, be used to simulate theories in ($3+1$) dimensions in regimes difficult for other methods. So far, however, TN methods have mostly simulated la...

[Phys. Rev. D 95, 114508] Published Tue Jun 20, 2017

]]>Dark matter which interacts strongly with itself, but only feebly with the Standard Model, is a possibility that has been entertained to solve apparent small-scale structure problems that are pertinent to the noninteracting cold dark matter paradigm. In this paper, we study the simple case in which ...

[Phys. Rev. D 95, 115023] Published Tue Jun 20, 2017

]]>We analytically solve the next-to-leading logarithmic Balitsky-Kovchegov equation approximated in the saturation regime, which includes corrections from quark and gluon loops, and large double transverse logarithms. The analytic result for the $S$-matrix in the saturation regime shows that the $\mathrm{exp}(-\mathcal{O}(\mathrm{...}$

[Phys. Rev. D 95, 116009] Published Tue Jun 20, 2017

]]>Results of the search for $\sim (1{0}^{16}\u20131{0}^{17.5})\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{eV}$ primary cosmic-ray photons with the data of the Moscow State University (MSU) Extensive Air Shower (EAS) array are reported. The full-scale reanalysis of the data with modern simulations of the installation does not confirm previous indications of the exc...

[Phys. Rev. D 95, 123011] Published Tue Jun 20, 2017

]]>We discuss the correlation function for the metric for homogeneous and isotropic cosmologies. The exact propagator equation determines the correlation function as the inverse of the second functional derivative of the quantum effective action. This formulation relates the metric correlation function...

[Phys. Rev. D 95, 123525] Published Tue Jun 20, 2017

]]>Naive dimensional analysis seems to suggest possible unitarity violations in the framework of the Higgs and new Higgs inflationary scenarios. These violations seem to happen around the value in which the potential energy, per a given Higgs boson’s vacuum expectation value, crosses the perturbative c...

[Phys. Rev. D 95, 123526] Published Tue Jun 20, 2017

]]>In this work we have used the recent cosmic chronometer data along with the latest estimation of the local Hubble parameter value, ${H}_{0}$ at 2.4% precision as well as the standard dark energy probes, such as the Supernovae Type Ia, baryon acoustic oscillation distance measurements, and cosmic microwave ...

[Phys. Rev. D 95, 123527] Published Tue Jun 20, 2017

]]>We investigate the stability of highly charged Reissner-Nordström black holes to charged scalar perturbations. We show that the near-horizon region exhibits a transient instability which becomes the Aretakis instability in the extremal limit. The rates we obtain match the enhanced rates for nonaxisy...

[Phys. Rev. D 95, 124032] Published Tue Jun 20, 2017

]]>We compare two different approaches for quantization of the Bianchi I model: a reduced phase space quantization, in which the isotropic Misner variables is taken as time, and the Vilenkin proposal, in which a semiclassical approximation is performed for the same variable. We outline the technical an...

[Phys. Rev. D 95, 126010] Published Tue Jun 20, 2017

]]>In view of a recently renewed interest to the production of multiple Higgs bosons, the amplitude for such process at the threshold of $n$ particles is considered. An explicit calculation is done for the loop corrections to the amplitude arising from the interaction with a heavy fermion (e.g., top quar...

[Phys. Rev. D 95, 113003] Published Mon Jun 19, 2017

]]>In this work, we study the masses and the two-body strong decay of the $\rho $ and ${\rho}_{3}$ states below 2 GeV in the framework of the chiral quark model and the ${}^{3}{P}_{0}$ models. In the calculations, the wave functions of the particles are obtained numerically by the Gaussian expansion method, and they are applied i...

[Phys. Rev. D 95, 114014] Published Mon Jun 19, 2017

]]>An approach for relating the nucleon resonances extracted from $\pi N$ reaction data to lattice QCD calculations has been developed by using the finite-volume Hamiltonian method. Within models of $\pi N$ reactions, bare states are introduced to parametrize the intrinsic excitations of the nucleon. We show tha...

[Phys. Rev. D 95, 114507] Published Mon Jun 19, 2017

]]>The Georgi-Machacek (GM) model is one of many beyond Standard Model scenarios with an extended scalar sector that can group under the custodial $\mathrm{SU}(2{)}_{\mathrm{C}}$ symmetry into a fiveplet, a triplet, and two singlets. The heavy charged custodial fiveplet Higgs ${\mathrm{H}}_{5}^{\pm}$ are typical particles in the GM model that coup...

[Phys. Rev. D 95, 115022] Published Mon Jun 19, 2017

]]>In this work we study the sensitivity on the anomalous magnetic and electric dipole moments of the tau neutrino in the framework of the $SU(2{)}_{L}\times U(1{)}_{Y}\times U(1{)}_{B-L}$ electroweak model at future ${e}^{+}{e}^{-}$ linear colliders, such as the ILC and CLIC. For our study we consider the process ${e}^{+}{e}^{-}\to (Z,{Z}^{\prime},\gamma )\to {\nu}_{\tau}{\overline{\nu}}_{\tau}\gamma $. For ce...

[Phys. Rev. D 95, 116008] Published Mon Jun 19, 2017

]]>[Phys. Rev. D 95, 119902] Published Mon Jun 19, 2017

]]>A hypothetical photon mass, ${m}_{\gamma}$, gives an energy-dependent light speed in a Lorentz-invariant theory. Such a modification causes an additional time delay between photons of different energies when they travel through a fixed distance. Fast radio bursts (FRBs), with their short time duration and cosmo...

[Phys. Rev. D 95, 123010] Published Mon Jun 19, 2017

]]>The assumption that we are *typical* observers plays a core role in attempts to make multiverse theories empirically testable. A widely shared worry about this assumption is that it suffers from systematic ambiguity concerning the reference class of observers with respect to which typicality is assume...

[Phys. Rev. D 95, 123520] Published Mon Jun 19, 2017

]]>A non singular cosmological bounce in the Einstein frame can only take place if the null energy condition (NEC) is violated. We explore situations where a single scalar field drives the NEC violation and derive the constraints imposed by demanding tree level unitarity on a cosmological background. W...

[Phys. Rev. D 95, 123523] Published Mon Jun 19, 2017

]]>Cosmological defects result from cosmological phase transitions in the early Universe and the dynamics reflects their symmetry-breaking mechanisms. These cosmological defects may be probed through weak lensing effects because they interact with ordinary matters only through the gravitational force. ...

[Phys. Rev. D 95, 123524] Published Mon Jun 19, 2017

]]>Assuming the hypothesis of the entropic nature of gravity, we calculate generalized Newtonian forces, their associated potentials and field equations, when other, in general nonextensive, entropies are considered instead of the usual Boltzmann entropy. Some comments about the nature of the correctio...

[Phys. Rev. D 95, 124031] Published Mon Jun 19, 2017

]]>We analyze geometric terms and scaling properties of the Shannon mutual information in the continuum. This is done for a free massless scalar field theory in $d$-dimensions, in a coherent state reduced with respect to a general differentiable manifold. As a by-product, we find an expression for the re...

[Phys. Rev. D 95, 125005] Published Mon Jun 19, 2017

]]>We investigate the holographic Rényi entropy for two-dimensional $\mathcal{N}=(2,2)$ superconformal field theory (SCFT), which is dual to $\mathcal{N}=2$ supergravity in an ${\mathrm{AdS}}_{3}$ background. In SCFT we have the stress tensor, the current, and their supersymmetric partners, and in supergravity we have the graviton, the vecto...

[Phys. Rev. D 95, 126009] Published Mon Jun 19, 2017

]]>We propose a scenario to generate flavor violating ${Z}^{\prime}$ interactions at one-loop level by introducing $U(1{)}_{\mu -\tau}$ gauge symmetry, extra vectorlike quark doublets ${Q}_{a}^{\prime}$, and a singlet scalar $\chi $. Both ${Q}_{a}^{\prime}$ and $\chi $ are charged under $U(1{)}_{\mu -\tau}$ and carry odd dark ${Z}_{2}$ parity. Assuming that $\chi $ is the dark matter (DM) of t...

[Phys. Rev. D 95, 111701(R)] Published Fri Jun 16, 2017

]]>We perform a full amplitude analysis of the process ${e}^{+}{e}^{-}\to J/\psi D\overline{D}$, where $D$ refers to either ${D}^{0}$ or ${D}^{+}$. A new charmoniumlike state ${X}^{*}(3860)$ that decays to $D\overline{D}$ is observed with a significance of $6.5\sigma $. Its mass is $({3862}_{-32}^{+26}{\text{\hspace{0.17em}}}_{-13}^{+40})\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{MeV}/{c}^{2}$, and its width is $({201}_{-67}^{+154}{\text{\hspace{0.17em}}}_{-82}^{+88})\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{MeV}$. The ${J}^{PC}={0}^{++}$ hypothes...

[Phys. Rev. D 95, 112003] Published Fri Jun 16, 2017

]]>It has been known for a long time that hyperons produced in hadronic collisions are polarized perpendicular to the production plane of the reaction. This effect cannot be described by using twist-2 collinear parton correlators only. Here we compute the contribution of twist-3 fragmentation functions...

[Phys. Rev. D 95, 114013] Published Fri Jun 16, 2017

]]>We present a lattice quantum chromodynamics determination of the scalar and vector form factors for the ${B}_{s}\to {D}_{s}\ell \nu $ decay over the full physical range of momentum transfer. In conjunction with future experimental data, our results will provide a new method to extract $|{V}_{cb}|$, which may elucidate the curre...

[Phys. Rev. D 95, 114506] Published Fri Jun 16, 2017

]]>We report the most general expression for the chiral charges of a nonuniversal $U(1{)}^{\prime}$ with identical charges for the first two families but different charges for the third one. The model is minimal in the sense that only standard model fermions plus right-handed neutrinos are required. By imposing an...

[Phys. Rev. D 95, 115018] Published Fri Jun 16, 2017

]]>The scalar potential of the two-Higgs-doublet model may have more than one local minimum and the usually considered vacuum could be located at one of them that could decay to another. This paper studies the condition that the usually considered vacuum is the global minimum which, combined with the b...

[Phys. Rev. D 95, 115019] Published Fri Jun 16, 2017

]]>Heavy sterile neutrinos with masses below ${M}_{W}$ can induce trilepton events at the 14 TeV LHC through purely leptonic $W$ decays of ${W}^{\pm}\to {e}^{\pm}{e}^{\pm}{\mu}^{\mp}\nu $ and ${\mu}^{\pm}{\mu}^{\pm}{e}^{\mp}\nu $ where the heavy neutrino will be in an intermediate state on its mass shell. Discovery and exclusion limits for the heavy neutrinos are found using bo...

[Phys. Rev. D 95, 115020] Published Fri Jun 16, 2017

]]>We investigate the lower bounds of sfermion masses from the constraints of chromoelectric dipole moments (CEDMs) in the natural SUSY-type sfermion mass spectrum, in which stop mass ${m}_{\tilde{t}}$ is much smaller than the other sfermion masses ${m}_{0}$. The natural SUSY-type sfermion mass spectrum has been studied si...

[Phys. Rev. D 95, 115021] Published Fri Jun 16, 2017

]]>We demonstrate that the geometric volume of a soliton coincides with the thermodynamical volume also for field theories with higher-dimensional vacuum manifolds (e.g., for gauged scalar field theories supporting vortices or monopoles), generalizing the recent results of Ref. [C. Adam, M. Haberichter...

[Phys. Rev. D 95, 116007] Published Fri Jun 16, 2017

]]>Coy dark matter is an effective scheme in which a fermionic dark matter candidate interacts with the standard model fermions via a pseudoscalar mediator. This simple setup avoids the strong constraints posed by direct detection experiments in a natural way and explains, on top of the observed dark m...

[Phys. Rev. D 95, 121301(R)] Published Fri Jun 16, 2017

]]>For models in which dark matter annihilation is Sommerfeld-enhanced, the annihilation cross section increases at low relative velocities. Dwarf spheroidal galaxies (dSphs) have low characteristic dark matter particle velocities and are thus ideal candidates to study such models. In this paper, we mo...

[Phys. Rev. D 95, 123008] Published Fri Jun 16, 2017

]]>We have built sky maps showing the expected arrival directions of 120 EeV ultrahigh-energy cosmic rays (UHECRs) directionally correlated with the latest astrophysical neutrino tracks observed at IceCube, including the four-year high-energy starting events (HESEs) and the two-year northern tracks, ta...

[Phys. Rev. D 95, 123009] Published Fri Jun 16, 2017

]]>We introduce a new proposal for the onset of cosmic acceleration based on mass varying neutrinos. When massive neutrinos become nonrelativistic, the ${Z}_{2}$ symmetry breaks, and the quintessence potential becomes positive from its initially zero value. This positive potential behaves like a cosmological ...

[Phys. Rev. D 95, 123521] Published Fri Jun 16, 2017

]]>It is widely known that bouncing models with a dust hydrodynamical fluid satisfying ${c}_{s}^{2}={p}_{d}/{\rho}_{d}\approx 0$, where ${c}_{s}$, ${p}_{d}$, ${\rho}_{d}$ are the sound velocity, pressure, and energy density of the dust fluid, respectively, have almost scale invariant spectrum of scalar perturbations and negligible primordial gravitational...

[Phys. Rev. D 95, 123522] Published Fri Jun 16, 2017

]]>Residual accelerations due to thermal effects are estimated through a model of the New Horizons spacecraft and a Monte Carlo simulation. We also discuss and estimate the thermal effects on the attitude of the spacecraft. The work is based on a method previously used for the Pioneer and Cassini probe...

[Phys. Rev. D 95, 124027] Published Fri Jun 16, 2017

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