Lepton number violation plays an essential role in many scenarios of neutrino mass generation and also provides new clues to search new physics beyond the standard model. We consider the neutrinophilic two-Higgs-doublet model ($\nu \text{\u2212}2\mathrm{HDM}$) where additional right-handed neutral fermions ${N}_{Ri}$ and a complex …

[Phys. Rev. D 94, 053015] Published Fri Sep 30, 2016

]]>We propose a novel approach to measure the branching ratios of the leptonic ${\eta}^{(\prime )}\to {\mu}^{+}{\mu}^{-}$ decays by using charmed meson decays, namely, ${D}_{(s)}^{+}\to {\pi}^{+}{\eta}^{(\prime )}(\to {\mu}^{+}{\mu}^{-})$ and ${D}^{0}\to {K}^{-}{\pi}^{+}{\eta}^{(\prime )}(\to {\mu}^{+}{\mu}^{-})$. We advocate that the data available at LHCb can already yield a new measurement of $\mathrm{Br}(\eta \to {\mu}^{+}{\mu}^{-})$ with accuracy competitive with…

[Phys. Rev. D 94, 054040] Published Fri Sep 30, 2016

]]>We provide a variant model of a strongly interacting massive particle (SIMP), where composite dark matter (DM) comes from a strongly interacting U(1) theory. We first explain a non-Abelian version of the model with an additional singlet field, which is mixed with the Higgs field to maintain kinetic …

[Phys. Rev. D 94, 055035] Published Fri Sep 30, 2016

]]>We study the simultaneous evolution of electron, neutrino, and quark asymmetries and large-scale hypermagnetic fields in the symmetric phase of the electroweak plasma in the temperature range $100\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}\le T\le 10\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$, taking into account the chirality flip processes via inverse Higgs decays and fermion nu…

[Phys. Rev. D 94, 056013] Published Fri Sep 30, 2016

]]>The Milky Way is surrounded by a gravitationally bound gas corona extending up to the Galaxy’s virial radius. Interactions of cosmic-ray particles with this gas give rise to energetic secondary gamma rays and neutrinos. We present a quantitative analysis of the neutrino and gamma-ray fluxes from the…

[Phys. Rev. D 94, 063013] Published Fri Sep 30, 2016

]]>The joint analysis of galaxy-galaxy lensing and galaxy clustering is a promising method for inferring the growth function of large-scale structure. Anticipating a near future application of this analysis to Dark Energy Survey (DES) measurements of galaxy positions and shapes, we develop a practical …

[Phys. Rev. D 94, 063533] Published Fri Sep 30, 2016

]]>Weak gravitational lensing is becoming a mature technique for constraining cosmological parameters, and future surveys will be able to constrain the dark energy equation of state $w$. When analyzing galaxy surveys, redshift information has proven to be a valuable addition to angular shear correlations…

[Phys. Rev. D 94, 063534] Published Fri Sep 30, 2016

]]>We consider decaying dark matter with masses $1{0}^{7}\lesssim M\lesssim 1{0}^{16}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$ as a source of ultrahigh energy (UHE) gamma rays. Using recent limits on UHE gamma-ray flux for energies ${E}_{\gamma}>2\times 1{0}^{14}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{eV}$, provided by extensive air shower observatories, we put limits on masses and lifetimes of the dark matter. We also di…

[Phys. Rev. D 94, 063535] Published Fri Sep 30, 2016

]]>We analyze from a classical and quantum point of view the behavior of the Universe close to a little rip, which can be interpreted as a big rip sent towards the infinite future. Like a big rip singularity, a little rip implies the destruction of all bounded structures in the Universe and is thus an …

[Phys. Rev. D 94, 063536] Published Fri Sep 30, 2016

]]>A set of novel derivative terms for spin-2 fields are proposed. They are the wedge products of curvature two-forms and vielbeins. In this work, we investigate the properties of novel two-derivative terms in the context of bigravity. Based on a minisuperspace analysis, we identify a large class of bi…

[Phys. Rev. D 94, 064078] Published Fri Sep 30, 2016

]]>Using novel nonlinear kinetic terms for gravitons, a large class of bigravity models was constructed, which are potentially free of the Boulware-Deser (BD) ghost, at the price of the presence of spin-2 ghosts. In this work, we derive their Hamiltonians using the Arnowitt-Deser-Misner formalism, and …

[Phys. Rev. D 94, 064079] Published Fri Sep 30, 2016

]]>We investigate the stability of the pion string in a thermal bath and a dense medium. We find that stability is dependent on the order of the chiral transition. String core stability within the experimentally allowed regime is found only if the chiral transition is second order, and even there the s…

[Phys. Rev. D 94, 065043] Published Fri Sep 30, 2016

]]>We construct a new class of superstrata, the regular supergravity solutions describing the microstates of D1-D5-P black holes. Our solutions are obtained by adding momentum charge to the D1-D5 geometries based on multiple concentric Kaluza-Klein monopoles.

[Phys. Rev. D 94, 066011] Published Fri Sep 30, 2016

]]>As an extension to our previous work, we study the transport properties of the Witten-Sakai-Sugimoto model in the black D4-brane background with smeared D0 branes (D0-D4/D8 system). Because of the presence of the D0 branes, in the bubble configuration, this model is holographically dual to four-dime…

[Phys. Rev. D 94, 066012] Published Fri Sep 30, 2016

]]>A search is presented for the production of two Higgs bosons in final states containing two photons and two bottom quarks. Both resonant and nonresonant hypotheses are investigated. The analyzed data correspond to an integrated luminosity of $19.7\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$ of proton-proton collisions at $\sqrt{s}=8\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$ collect…

[Phys. Rev. D 94, 052012] Published Thu Sep 29, 2016

]]>The flavor changing decays of the top quark are severely suppressed in the standard model by virtue of the Glashow-Iliopoulos-Maiani mechanism. Many beyond the standard model extensions predict the decay rates at a level that is observable in the LHC. We perform a complete one-loop calculation of th…

[Phys. Rev. D 94, 056011] Published Thu Sep 29, 2016

]]>We investigate the critical behavior of pion superfluidity in the framework of the functional renormalization group (FRG). By solving the flow equations in the SU(2) linear sigma model at finite temperature and isospin density, and making comparison with the fixed point analysis of a general $O(N)$ sy…

[Phys. Rev. D 94, 056012] Published Thu Sep 29, 2016

]]>We derive the analytical time delay of light propagating in the equatorial plane and parallel to the velocity of a moving Kerr-Newman black hole up to the second post-Minkowskian order via integrating the null geodesic equations. The velocity effects are expressed by a very compact form. We then con…

[Phys. Rev. D 94, 063011] Published Thu Sep 29, 2016

]]>The magnetic dipole radiation model is currently the best approach we have to explain pulsar radiation. However, a most characteristic parameter of the observed radiation, the braking index ${n}_{\text{obs}}$, shows deviations for all the eight best studied isolated pulsars, from the simple model prediction ${n}_{\text{dip}}=\mathrm{\dots}$

[Phys. Rev. D 94, 063012] Published Thu Sep 29, 2016

]]>We propose a generalized star product that deviates from the standard one when the fields are considered at different spacetime points by introducing a form factor in the standard star product. We also introduce a recursive definition by which we calculate the explicit form of the generalized star p…

[Phys. Rev. D 94, 063531] Published Thu Sep 29, 2016

]]>We propose a new parametrization of the background equations of motion corresponding to (canonical) single-field models of inflation, which allows a better understanding of the general properties of the solutions and of the corresponding predictions in the inflationary observables. Based on the tool…

[Phys. Rev. D 94, 063532] Published Thu Sep 29, 2016

]]>Motivated by holographic models of a (pseudo)conformal Universe, we carry out a complete analysis of linearized metric perturbations in the time-dependent two-brane setup of the Lykken-Randall type. We present the equations of motion for the scalar, vector and tensor perturbations and identify light…

[Phys. Rev. D 94, 064076] Published Thu Sep 29, 2016

]]>We present the evolution of a supersonic wind interacting with a boson star (BS) and compare the resulting wind density profile with that of the shock cone formed when the wind is accreted by a nonrotating black hole (BH) of the same mass. The physical differences between these accretors are that a …

[Phys. Rev. D 94, 064077] Published Thu Sep 29, 2016

]]>If a new high-mass resonance is discovered at the Large Hadron Collider, model-independent techniques to identify the production mechanism will be crucial to understand its nature and effective couplings to Standard Model particles. We present a powerful and model-independent method to infer the ini…

[Phys. Rev. D 94, 051901(R)] Published Wed Sep 28, 2016

]]>We define the theoretical framework and deduce the conditions under which multimessenger astronomy can provide useful information about neutrino masses and their ordering. The framework uses time differences between the arrival of neutrinos and the other light messenger, i.e. the graviton, emitted i…

[Phys. Rev. D 94, 053013] Published Wed Sep 28, 2016

]]>Higgs boson production in association with a $Z$ boson at the LHC is analyzed, both in the Standard Model and in simplified model extensions for dark matter. We focus on $H\to \text{invisibles}$ searches and show that loop-induced components for both the signal and background present phenomenologically relevant c…

[Phys. Rev. D 94, 053014] Published Wed Sep 28, 2016

]]>We derive gluon fragmentation functions in the Nambu–Jona-Lasinio (NJL) model by treating a gluon as a pair of color lines formed by a fictitious quark and antiquark ($q\overline{q}$). Gluon elementary fragmentation functions are obtained from the quark and antiquark elementary fragmentation functions for emitt…

[Phys. Rev. D 94, 054041] Published Wed Sep 28, 2016

]]>We study the time evolution of the magnetic field in a plasma with a chiral magnetic current. The vector spherical harmonic (VSH) functions are used to expand all fields. We define a measure for the Chandrasekhar-Kendall-Woltjer (CKW) state, which has a simple form in VSH expansion. We propose the c…

[Phys. Rev. D 94, 054042] Published Wed Sep 28, 2016

]]>We study the littlest Higgs model with T-parity (LHT) in the process of $pp\to {W}_{H}^{+}{W}_{H}^{-}\to {W}^{+}{W}^{-}{A}_{H}{A}_{H}$ at the 14 TeV LHC. With the $W$-jet tagging technique, we demonstrate that the bulk of the model parameter space can be probed at the level of more than $5\sigma $ in the signature of two fat $W$ jets plus large missing e…

[Phys. Rev. D 94, 055033] Published Wed Sep 28, 2016

]]>We present a unified explanation for the $B$-decay anomalies in ${R}_{{D}^{(*)}}$ and ${R}_{K}$ together with the anomalous muon magnetic moment, consistent with the constraints from the current measurements of leptonic decay rates and ${D}^{0}-{\overline{D}}^{0}$, ${B}_{s}^{0}-{\overline{B}}_{s}^{0}$ mixings, within the framework of a minimal left-right symmetric gaug…

[Phys. Rev. D 94, 055034] Published Wed Sep 28, 2016

]]>We study the polarization properties of the jitter and synchrotron radiation produced by electrons in highly turbulent anisotropic magnetic fields. The net polarization is provided by the geometry of the magnetic field the directions of which are parallel to a certain plane. Such conditions may appe…

[Phys. Rev. D 94, 063010] Published Wed Sep 28, 2016

]]>We compute the stochastic gravitational wave background generated by cosmic superstrings using a semianalytical velocity-dependent model to describe their dynamics. We show that heavier string types may leave distinctive signatures on the stochastic gravitational wave background spectrum within the …

[Phys. Rev. D 94, 063529] Published Wed Sep 28, 2016

]]>The recent discovery of gravitational waves from mergers of $\sim 10\text{\hspace{0.17em}}\text{\hspace{0.17em}}{M}_{\odot}$ black hole binaries has stimulated interested in primordial black hole (PBH) dark matter in this mass range. Microlensing and dynamical constraints exclude all of the dark matter in compact objects with a delta function mass functio…

[Phys. Rev. D 94, 063530] Published Wed Sep 28, 2016

]]>We study how two fully featured hydrogenlike atoms harvest entanglement from the electromagnetic field vacuum, even when the atoms are spacelike separated. We compare the electromagnetic case—qualitatively and quantitatively—with previous results that used scalar fields and featureless, idealized at…

[Phys. Rev. D 94, 064074] Published Wed Sep 28, 2016

]]>We investigate gauge invariant scalar fluctuations of the metric during inflation in a nonperturbative formalism in the framework of a recently formulated scalar-tensor theory of gravity, in which the geometry of space-time is that of a Weyl integrable manifold. We show that in this scenario the Wey…

[Phys. Rev. D 94, 064075] Published Wed Sep 28, 2016

]]>We present an integral formalism for constructing scheme transformations in a quantum field theory. We apply this to generate several new useful scheme transformations. A comparative analysis is given of these scheme transformations in terms of their series expansion coefficients and their resultant…

[Phys. Rev. D 94, 065038] Published Wed Sep 28, 2016

]]>We investigate deviations from the plane wave model in the interaction of charged particles with strong electromagnetic fields. A general result is that integrability of the dynamics is lost when going from lightlike to timelike or spacelike field dependence. For a special scenario in the classical …

[Phys. Rev. D 94, 065039] Published Wed Sep 28, 2016

]]>We present an exact renormalization group (RG) analysis of $O(N)$-invariant scalar field theory about the Gaussian fixed point. We prove a series of statements that, taken together, show that the nonpolynomial eigenperturbations found in the local potential approximation at the linearized level do not…

[Phys. Rev. D 94, 065040] Published Wed Sep 28, 2016

]]>Exact expressions have been proposed for correlation functions of the large-$N$ (planar) limit of the ($1+1$)-dimensional $\mathrm{SU}(N)\times \mathrm{SU}(N)$ principal chiral sigma model. These were obtained with the form-factor bootstrap. The short-distance form of the two-point function of the scaling field $\mathrm{\Phi}(x)$ was found to…

[Phys. Rev. D 94, 065041] Published Wed Sep 28, 2016

]]>We rederive relativistic hydrodynamics as a Lagrangian effective theory using the doubled coordinates technique, allowing us to include dissipative terms. We include Navier-Stokes shear and bulk terms, as well as Israel-Stewart relaxation time terms, within this formalism. We show how the inclusion …

[Phys. Rev. D 94, 065042] Published Wed Sep 28, 2016

]]>In this paper we explore the correspondence between four-dimensional Born-Infeld theory and five-dimensional classical gravity. The Born-Infeld theory side corresponds to the low-energy effective theory for open strings ending on coincident D3-branes in a (slowly varying) background Kalb-Ramond fiel…

[Phys. Rev. D 94, 066009] Published Wed Sep 28, 2016

]]>Level-rank duality relates the observables of two different Chern-Simons theories in which the roles of the Chern-Simons level and the rank of the gauge group are exchanged. In this paper, we explore the consequences of this duality in the realm of topological string theory. We show that this dualit…

[Phys. Rev. D 94, 066010] Published Wed Sep 28, 2016

]]>In this paper we study the high energy behavior of electroweak Standard Model for a nonzero Weinberg angle ${\theta}_{W}$. We evaluate the spectrum of the electroweak Pomeron and demonstrate that the leading intercept is given by ${\alpha}_{\mathrm{e}.\mathrm{w}.}4\mathrm{ln}2$ and does not depend on the mixing angle ${\theta}_{W}$. Due to its very small numeri…

[Phys. Rev. D 94, 053012] Published Tue Sep 27, 2016

]]>We study the $\rho \pi $ and ${b}_{1}\pi $ decay modes of the ${1}^{-+}$ light hybrid state within the framework of light-cone QCD sum rules. We use both the tensor current $\overline{\psi}{\sigma}_{\mu \nu}\psi $ and the derivative current $\overline{\psi}{\overleftrightarrow{D}}_{\mu}{\gamma}_{5}\psi $ as interpolating currents to calculate the partial decay width of the ${b}_{1}\pi $ decay mode. Comparing the sum rules …

[Phys. Rev. D 94, 054037] Published Tue Sep 27, 2016

]]>The magnetic susceptibility of the QCD vacuum is analyzed in the framework of a nonlocal SU(3) Polyakov–Nambu–Jona-Lasinio model. Considering two different model parametrizations, we estimate the values of the $u$- and $s$-quark tensor coefficients and magnetic susceptibilities and then we extend the an…

[Phys. Rev. D 94, 054038] Published Tue Sep 27, 2016

]]>It is demonstrated that many important features of single-pion production in $pp$ collisions at intermediate energies (${T}_{p}\simeq 400\u2013800\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{MeV}$) can naturally be explained by supposing excitation of intermediate diproton resonances in $pp$ channels ${{}^{1}D}_{2}$, ${{}^{3}F}_{3}$ and ${{}^{3}P}_{2}$, in addition to conventional mechanisms involvi…

[Phys. Rev. D 94, 054039] Published Tue Sep 27, 2016

]]>The $\mathrm{\Lambda}(1405)$ baryon is difficult to detect in experiment, absent in many quark model calculations, and supposedly manifested through a two-pole structure. Its uncommon properties make it the subject of numerous experimental and theoretical studies, including those by the Adelaide group who report lat…

[Phys. Rev. D 94, 056010] Published Tue Sep 27, 2016

]]>We study the phase space for a scalar-tensor string inspired model of dark energy with nonminimal kinetic and Gauss-Bonnet couplings. The form of the scalar potential and of the coupling terms is of the exponential type, which gives rise to appealing cosmological solutions. The critical points descr…

[Phys. Rev. D 94, 063528] Published Tue Sep 27, 2016

]]>We have performed a complete study of self-dual configurations in a $CPT$-odd and Lorentz-violating gauged $O(3)$ nonlinear sigma model. We have consistently implemented the Bogomol’nyi-Prasad-Sommerfield (BPS) formalism and obtained the correspondent differential first-order equations describing electr…

[Phys. Rev. D 94, 065036] Published Tue Sep 27, 2016

]]>The phase structure and the infrared behavior of the Euclidean three-dimensional $O(2)$ symmetric ghost scalar field $\varphi $ has been investigated in Wegner and Houghton’s renormalization group framework, including higher derivatives in the kinetic term. It is pointed out that higher-derivative coupling pro…

[Phys. Rev. D 94, 065037] Published Tue Sep 27, 2016

]]>We consider an observable very sensitive to the nonzero intrinsic charm (IC) contribution to the proton density. It is the ratio between the differential cross sections of the photon or $Z$-boson and $c$-jet production in the $pp$ collision, $\gamma (Z)+c$, and the $\gamma (Z)$ and the $b$-jet production. It is shown that …

[Phys. Rev. D 94, 053011] Published Mon Sep 26, 2016

]]>We point out that if the baryon number violating neutron-antineutron oscillation is discovered, it would impose strong limits on the departure from Einstein’s equivalence principle at a level of one part in $1{0}^{19}$. If this departure owes its origin to the existence of long-range forces coupled to bary…

[Phys. Rev. D 94, 054034] Published Mon Sep 26, 2016

]]>We study the $Y(4260)$ production mechanism in ${e}^{+}{e}^{-}$ annihilations in the framework of hadronic molecules and investigate the consequence of such a picture in different decay channels. In the hadronic molecule picture the $Y(4260)$ is described as a mixture state composed of a long-ranged $\overline{D}{D}_{1}(2420)+\mathrm{c}.\mathrm{c}.$…

[Phys. Rev. D 94, 054035] Published Mon Sep 26, 2016

]]>Construction of the pion scalar isoscalar form factor ${\mathrm{\Gamma}}_{\pi}(t)$ in the elastic region, with an emphasis on the values of the S-wave isoscalar $\pi \pi $ scattering length ${a}_{0}^{0}$ and the quadratic pion scalar radius $\u27e8{r}^{2}{\u27e9}_{s}^{\pi}$ to be in conformity with predictions of the chiral perturbation theory, is presented. It is b…

[Phys. Rev. D 94, 054036] Published Mon Sep 26, 2016

]]>We investigate the extended Higgs sectors, specially the charged Higgs sector, in a supersymmetric $Y=0$ $SU(2)$ triplet and a Standard Model (SM) gauge singlet extension of the SM. We show that, in this model, the allowed data for the Higgs boson interaction eigenstates tend to group into separate bloc…

[Phys. Rev. D 94, 055030] Published Mon Sep 26, 2016

]]>We study a simplified scenario in the next-to-minimal supersymmetric standard model with a split electroweak spectrum, in which only the singlino and Higgsinos are light and other superpartners are decoupled. Serving as a dark matter candidate, a singlino-dominated neutralino ${\tilde{\chi}}_{1}^{0}$ should have either…

[Phys. Rev. D 94, 055031] Published Mon Sep 26, 2016

]]>Based on a vector triplet model, we study a possible failure of dimension-6 operators in describing LHC Higgs kinematics. First, we illustrate that including dimension-6 contributions squared can significantly improve the agreement between the full model and the dimension-6 approximation, both in as…

[Phys. Rev. D 94, 055032] Published Mon Sep 26, 2016

]]>The dynamical generation of a fermion mass is studied within ($2+1$)-dimensional QED with $N$ four-component fermions in the leading and next-to-leading orders of the $1/N$ expansion. The analysis is carried out in the Landau gauge, which is supposed to insure the gauge independence of the critical fermio…

[Phys. Rev. D 94, 056009] Published Mon Sep 26, 2016

]]>[Phys. Rev. D 94, 059903] Published Mon Sep 26, 2016

]]>[Phys. Rev. D 94, 059904] Published Mon Sep 26, 2016

]]>The search for weakly interacting massive particles (WIMPs) by direct detection faces an encroaching background due to coherent neutrino-nucleus scattering. For a given WIMP mass the cross section at which neutrinos constitute a dominant background is dependent on the uncertainty on the flux of each…

[Phys. Rev. D 94, 063527] Published Mon Sep 26, 2016

]]>We present results of a high-frequency all-sky search for continuous gravitational waves from isolated compact objects in LIGO’s fifth science run (S5) data, using the computing power of the Einstein@Home volunteer computing project. This is the only dedicated continuous gravitational wave search th…

[Phys. Rev. D 94, 064061] Published Mon Sep 26, 2016

]]>We derive upper and lower bounds on the mass-radius ratio of stable compact objects in extended gravity theories, in which modifications of the gravitational dynamics via-á-vis standard general relativity are described by an effective contribution to the matter energy-momentum tensor. Our results in…

[Phys. Rev. D 94, 064070] Published Mon Sep 26, 2016

]]>As an extension of our previous work, which investigated the shadows of the Ellis wormhole surrounded by nonrotating dust, in this paper we study wormhole shadows in a rotating dust flow. First, we derive steady-state solutions of slowly rotating dust surrounding the wormhole by solving relativistic…

[Phys. Rev. D 94, 064071] Published Mon Sep 26, 2016

]]>We report a study on axially and reflection symmetric dissipative fluids, just after its departure from hydrostatic and thermal equilibrium, at the smallest time scale at which the first signs of dynamic evolution appear. Such a time scale is smaller than the thermal relaxation time, the thermal adj…

[Phys. Rev. D 94, 064072] Published Mon Sep 26, 2016

]]>In this work we explore the consequences of considering from the very beginning the stationary and axisymmetric properties of the Kerr black hole as one attempts to derive this solution through the Kerr-Schild ansatz. The first consequence is kinematical and is based on a new stationary and axisymme…

[Phys. Rev. D 94, 064073] Published Mon Sep 26, 2016

]]>We have studied the properties of hot and dense quark matter based on the 3-flavor Nambu-Jona-Lasinio (NJL) model as well as its Polyakov-loop extension (pNJL) with scalar-isovector and vector-isovector couplings. Provided a considerable large isospin asymmetry or isospin chemical potential, isospin…

[Phys. Rev. D 94, 065032] Published Mon Sep 26, 2016

]]>We enumerate the set of simplified models which match onto the complete set of gauge invariant effective operators up to dimension six describing interactions of a singlet-like Majorana fermion dark matter with the standard model. Tree-level matching conditions for each case are worked out in the la…

[Phys. Rev. D 94, 065034] Published Mon Sep 26, 2016

]]>We study electron-positron pair creation by a strong and slowly varying electric field, assisted by a weaker and more rapidly changing field (e.g., in the keV regime) plus an additional high-energy (say MeV) photon. It turns out that this combination can yield a pair creation probability which is ex…

[Phys. Rev. D 94, 065035] Published Mon Sep 26, 2016

]]>We propose a simple left-right symmetric theory where the neutrino masses are generated at the quantum level. In this context the neutrinos are Majorana fermions and the model has the minimal degrees of freedom in the scalar sector needed for symmetry breaking and mass generation. We discuss the lep…

[Phys. Rev. D 94, 051701(R)] Published Fri Sep 23, 2016

]]>Using a data sample of $980\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$ of ${e}^{+}{e}^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy ${e}^{+}{e}^{-}$ collider, we report the results of a study of excited ${\mathrm{\Xi}}_{c}$ states that decay, via the emission of photons and/or charged pions, into ${\mathrm{\Xi}}_{c}^{0}$ or ${\mathrm{\Xi}}_{c}^{+}$ ground state charmed-str…

[Phys. Rev. D 94, 052011] Published Fri Sep 23, 2016

]]>The zero to four loop contribution to the cross section ${R}_{{e}^{+}{e}^{-}}$ for ${e}^{+}{e}^{-}\to $ hadrons, when combined with the renormalization group equation, allows for summation of all leading-log, next-to-leading-log, …, next-to-next-to-next-to-leading-log perturbative contributions. It is shown how all logarithmic con…

[Phys. Rev. D 94, 054031] Published Fri Sep 23, 2016

]]>The four-body contribution of the model-independent radiative corrections to the Dalitz plot of the semileptonic decays of neutral kaons are computed to order $(\alpha /\pi )(q/{M}_{1})$, where $q$ is the momentum transfer and ${M}_{1}$ is the kaon mass. The final result is presented in two forms. The first one is given in …

[Phys. Rev. D 94, 054032] Published Fri Sep 23, 2016

]]>The ${\eta}^{\prime}$ transition form factor is reanalyzed in view of the recent first observation by BESIII of the Dalitz decay ${\eta}^{\prime}\to \gamma {e}^{+}{e}^{-}$ in both space- and timelike regions at low and intermediate energies using the Padé approximants method. The present analysis provides a suitable parametrization for reproducing…

[Phys. Rev. D 94, 054033] Published Fri Sep 23, 2016

]]>Composite states of electrically charged and QCD-colored hyperquarks (HQs) in a confining $\mathrm{SU}({N}_{\mathrm{HC}})$ hypercolor gauge sector are a plausible extension of the standard model at the TeV scale and have been widely considered as an explanation for the tentative LHC diphoton excess. Additional new physics i…

[Phys. Rev. D 94, 055029] Published Fri Sep 23, 2016

]]>We derive the field equations for topologically massive gravity coupled with the most general quadratic curvature terms using the language of exterior differential forms and a first order constrained variational principle. We find variational field equations both in the presence and absence of torsi…

[Phys. Rev. D 94, 064067] Published Fri Sep 23, 2016

]]>Doubly special relativity (DSR) is an effective model for encoding quantum gravity in flat spacetime. To incorporate DSR into general relativity, one could use “gravity’s rainbow,” where the spacetime background felt by a test particle would depend on its energy. In this scenario, one could rewrite …

[Phys. Rev. D 94, 064068] Published Fri Sep 23, 2016

]]>We present a general framework to study the phase transition of a black hole. Assuming that there is a phase transition, it is shown that without invoking any specific black hole, the critical exponents and the scaling powers can be obtained. We find that the values, which were calculated by taking …

[Phys. Rev. D 94, 064069] Published Fri Sep 23, 2016

]]>We present analytic results for the three-loop static potential of two heavy quarks. The analytic calculation of the missing ingredients is outlined, and results for the singlet and octet potential are provided.

[Phys. Rev. D 94, 054029] Published Thu Sep 22, 2016

]]>Basing on the observation of a new ${J}^{PC}={0}^{-+}$ state, $X(2500)$, in the partial wave analysis of the decay $J/\psi \to \gamma X\to \gamma \varphi \varphi $ performed by the BESIII Collaboration, we have evaluated the strong decays of the $X(2500)$ as the ${4}^{1}{S}_{0}$ and ${5}^{1}{S}_{0}$ $s\overline{s}$ states in the ${}^{3}{P}_{0}$ model of meson decay. The predicted total decay width f…

[Phys. Rev. D 94, 054030] Published Thu Sep 22, 2016

]]>Dark sectors with strong interactions have received considerable interest. Assuming the existence of a minimally coupled dark sector which runs to strong interactions in the infrared, we address the question whether the scaling behavior of this dark sector can be observed in missing energy signature…

[Phys. Rev. D 94, 055028] Published Thu Sep 22, 2016

]]>The prospects are explored for testing Lorentz- and $CPT$-violating quantum electrodynamics in experiments with Penning traps. We present the Lagrange density of Lorentz-violating spinor electrodynamics with operators of mass dimensions up to 6, and we discuss some of its properties. The theory is use…

[Phys. Rev. D 94, 056008] Published Thu Sep 22, 2016

]]>The response of inertial particle detectors coupled to a scalar field satisfying nonlocal dynamics described by nonanalytic functions of the d’Alembertian operator $\square $ is studied. We show that spontaneous emission processes of a low energy particle detector are very sensitive to high-energy nonlocalit…

[Phys. Rev. D 94, 061902(R)] Published Thu Sep 22, 2016

]]>The $B$-mode polarization of the cosmic microwave background provides a unique window into tensor perturbations from inflationary gravitational waves. Survey effects complicate the estimation and description of the power spectrum on the largest angular scales. The pixel-space likelihood yields paramet…

[Phys. Rev. D 94, 063526] Published Thu Sep 22, 2016

]]>The theoretical modeling of gravitational waveforms from binary neutron star mergers requires precise numerical relativity simulations. Assessing convergence of the numerical data and building the error budget is currently challenging due to the low accuracy of general-relativistic hydrodynamics sch…

[Phys. Rev. D 94, 064062] Published Thu Sep 22, 2016

]]>In this paper we explore the validity of the first law of entanglement entropy in the context of topologically massive gravity (TMG). We find that the variation of the holographic entanglement entropy under perturbation from the pure anti–de Sitter background satisfies the first law upon imposing th…

[Phys. Rev. D 94, 064063] Published Thu Sep 22, 2016

]]>Assuming the validity of the relativity principle, we discuss the implications on relativistic kinematics of a deformation of the Poincaré invariance that preserves the Poincaré algebra, and only modifies its action on spacetime in a Lorentz-invariant way. We show that, in contrast to the case in wh…

[Phys. Rev. D 94, 064064] Published Thu Sep 22, 2016

]]>We obtain higher-dimensional solutions for a supercompact star for the Buchdahl-Vaidya-Tikekar metric ansatz. In particular, Vaidya and Tikekar characterized the 3-geometry by a parameter, $K$, which is related to the sign of a density gradient. It turns out that the key pressure isotropy equation con…

[Phys. Rev. D 94, 064065] Published Thu Sep 22, 2016

]]>The precession of a test gyroscope along stable bound equatorial plane orbits around a Kerr black hole is analyzed, and the precession angular velocity of the gyro’s parallel transported spin vector and the increment in the precession angle after one orbital period is evaluated. The parallel transpo…

[Phys. Rev. D 94, 064066] Published Thu Sep 22, 2016

]]>We show that certain three-dimensional Hořava-Lifshitz gravity theories can be written as Chern-Simons gauge theories on various nonrelativistic algebras. The algebras are specific extensions of the Bargmann, Newton-Hooke and Schrödinger algebras each of which has the Galilean algebra as a subalgebr…

[Phys. Rev. D 94, 065027] Published Thu Sep 22, 2016

]]>The Peccei-Quinn mechanism presents a neat solution to the strong $CP$ problem. As a by-product, it provides an ideal dark matter candidate, “the axion”, albeit with a tiny mass. Axions therefore can act as dark radiation if excited with large momenta after the end of inflation. Nevertheless, the rece…

[Phys. Rev. D 94, 065030] Published Thu Sep 22, 2016

]]>QCD with gauge group $SU({N}_{c})$ flows to an interacting conformal fixed point in three spacetime dimensions when the number of four-component Dirac fermions ${N}_{f}\gg {N}_{c}$. We study the perturbative stability of this fixed point via the $\epsilon $-expansion about four dimensions. We find that when the number of fermions …

[Phys. Rev. D 94, 065031] Published Thu Sep 22, 2016

]]>The generation of the circular polarization of gamma ray burst (GRB) photons is discussed in this paper via their interactions with astroparticles in the presence or absence of background fields such as magnetic fields and noncommutative space-time geometry. Solving the quantum Boltzmann equation fo…

[Phys. Rev. D 94, 065033] Published Thu Sep 22, 2016

]]>[Phys. Rev. D 94, 069903] Published Thu Sep 22, 2016

]]>We construct UV-complete models for nonstandard neutrino interactions mediated by a sub-GeV gauge boson ${Z}^{\prime}$ coupled to baryon number $B$ or $B-L$. A flavor-dependent ${Z}^{\prime}$ coupling to neutrinos is induced by mixing a $U(1{)}^{\prime}$-charged Dirac fermion with the active neutrinos, naturally suppressing flavor violati…

[Phys. Rev. D 94, 053010] Published Wed Sep 21, 2016

]]>We investigate the symmetry property and the stability of dibaryons containing two strange quarks and one heavy flavor with isospin $I=\frac{1}{2}$. We construct the wave function of the dibaryon in two ways. First, we directly construct the color and spin state of the dibaryon starting from the four possible $\dots $

[Phys. Rev. D 94, 054027] Published Wed Sep 21, 2016

]]>Charge parity asymmetry in charmless B meson decays is a key issue to be understood. Many theoretical calculations have been performed using short distance factorization approaches which, in general, do not take into account the $CPT$ invariance constraint. For each channel with $CP$ violation there is …

[Phys. Rev. D 94, 054028] Published Wed Sep 21, 2016

]]>Recent Fermi-LAT observations of dwarf spheroidal galaxies in the Milky Way have placed strong limits on the gamma-ray flux from dark matter annihilation. In order to produce the strongest limit on the dark matter annihilation cross section, the observations of each dwarf galaxy have typically been …

[Phys. Rev. D 94, 055027] Published Wed Sep 21, 2016

]]>[Phys. Rev. D 94, 059902] Published Wed Sep 21, 2016

]]>We consider the possible decay of the inflaton into curvaton particles during reheating and analyze its effect on curvaton scenarios. Typical decay curvatons are initially relativistic then become nonrelativistic, changing the background history of the Universe. We show that this change to the backg…

[Phys. Rev. D 94, 063525] Published Wed Sep 21, 2016

]]>