We study the gauge-independent observables associated with two interesting stationary configurations of the Standard Model Higgs potential (extrapolated to high energy according to the present state of the art, namely the next-to-next-to-leading order): i) the value of the top mass ensuring the stab…

[Phys. Rev. D 94, 073005] Published Fri Oct 21, 2016

]]>In this work corrections to the usual flavor SU(2) Nambu-Jona-Lasinio (NJL) coupling due to a weak external magnetic field are calculated by considering quark polarization in a (dressed) gluon exchange mechanism for quark interactions. The quark field is split into two components: one that condenses…

[Phys. Rev. D 94, 074030] Published Fri Oct 21, 2016

]]>Forward rapidity $J/\psi $ meson production in proton-nucleus collisions can be an important constraint of descriptions of the small-$x$ nuclear wave function. In an earlier work we studied this process using a dipole cross section satisfying the Balitsky-Kovchegov equation, fit to HERA inclusive data and c…

[Phys. Rev. D 94, 074031] Published Fri Oct 21, 2016

]]>We compute next-to-eikonal and next-to-next-to-eikonal (NNE) corrections to the Lipatov vertex due to a finite target thickness. These arise from electric field insertions into the eikonal Wilson lines. We then derive a ${k}_{T}$-factorization formula for single-inclusive gluon production at NNE accuracy a…

[Phys. Rev. D 94, 074032] Published Fri Oct 21, 2016

]]>For $J/\psi $ pair production at hadron colliders, we present the full next-to-leading order (NLO) calculations with the color-singlet channel in nonrelativistic QCD. We find that the NLO result can reasonably well describe the LHCb measured cross section, but exhibits very different behaviors from the CM…

[Phys. Rev. D 94, 074033] Published Fri Oct 21, 2016

]]>We explore the effect of magnetic field on chiral condensation in QCD via a simple bottom-up holographic model which inputs QCD dynamics through the running of the anomalous dimension of the quark bilinear. Bottom-up holography is a form of effective field theory and we use it to explore the depende…

[Phys. Rev. D 94, 074034] Published Fri Oct 21, 2016

]]>A multitude of searches have already been performed by the ATLAS and CMS collaborations at the LHC to probe the heavy Higgses of the minimal supersymmetric Standard Model (MSSM) through their decay to the Standard Model particles. In this paper, we study the decay of the MSSM heavy Higgses into neut…

[Phys. Rev. D 94, 075013] Published Fri Oct 21, 2016

]]>We propose a simple renormalizable grand unified theory based on the SU(5) gauge symmetry where the neutrino masses are generated at the quantum level through the Zee mechanism. In this model the same Higgs needed to correct the mass relation between charged leptons and down-type quarks plays a cruc…

[Phys. Rev. D 94, 075014] Published Fri Oct 21, 2016

]]>Experiments searching for exotic spin-dependent interactions typically employ magnetic shielding between the source of the exotic field and the interrogated spins. We explore the question of what effect magnetic shielding has on detectable signals induced by exotic fields. Our general conclusion is …

[Phys. Rev. D 94, 082005] Published Fri Oct 21, 2016

]]>We present the distance priors that we have derived from the 2015 Planck data, and use these in combination with the latest observational data from Type Ia supernovae (SNe Ia) and galaxy clustering, to explore the systematic uncertainties in dark energy constraints. We use the joint light-curve anal…

[Phys. Rev. D 94, 083521] Published Fri Oct 21, 2016

]]>Gravitational waves from binary coalescences provide one of the cleanest signatures of the nature of compact objects. It has been recently argued that the postmerger ringdown waveform of exotic ultracompact objects is initially identical to that of a black hole, and that putative corrections at the …

[Phys. Rev. D 94, 084031] Published Fri Oct 21, 2016

]]>We investigate the nature of low $T/W$ dynamical instabilities in differentially rotating stars by means of linear perturbation. Here, $T$ and $W$ represent rotational kinetic energy and the gravitational binding energy of the star. This is the first attempt to investigate low $T/W$ dynamical instabilities …

[Phys. Rev. D 94, 084032] Published Fri Oct 21, 2016

]]>We consider a hydrogen atom confined in a thick brane embedded in a higher-dimensional space. Due to effects of the extra dimensions, the gravitational potential is amplified in distances smaller than the size of the supplementary space, in comparison with the Newtonian potential. Studying the influ…

[Phys. Rev. D 94, 084033] Published Fri Oct 21, 2016

]]>A gravitationally collapsed object can bounce out from its horizon via a tunnelling process that violates the classical equations in a *finite* region. Since tunnelling is a nonperturbative phenomenon, it cannot be described in terms of quantum fluctuations around a classical solution, and a backgroun…

[Phys. Rev. D 94, 084035] Published Fri Oct 21, 2016

]]>Using matrix product operators, the Schwinger model is simulated in thermal equilibrium. The variational manifold of gauge-invariant matrix product operators is constructed to represent Gibbs states. As a first application, the chiral condensate in thermal equilibrium is computed, and agreement with…

[Phys. Rev. D 94, 085018] Published Fri Oct 21, 2016

]]>A general technique to analyze the classical interaction between ideal topological insulators, and electromagnetic sources and fields, has been previously elaborated. Nevertheless it is not immediately applicable in the laboratory as it fails to describe real ponderable media. In this work we provid…

[Phys. Rev. D 94, 085019] Published Fri Oct 21, 2016

]]>We study a six matrix model with global $SO(3)\times SO(3)$ symmetry containing at most quartic powers of the matrices. This theory exhibits a phase transition from a geometrical phase at low temperature to a Yang-Mills matrix phase with no background geometrical structure at high temperature. This is an ex…

[Phys. Rev. D 94, 085020] Published Fri Oct 21, 2016

]]>Exploiting conformal symmetry, we derive a simple exact formula for the classical electromagnetic Casimir interaction of two perfectly conducting three-spheres, including the sphere-plate geometry as a special case, in four Euclidean dimensions. We verify that the short distance expansion of the Cas…

[Phys. Rev. D 94, 085021] Published Fri Oct 21, 2016

]]>We consider rigidly rotating states in thermal equilibrium on static spherically symmetric spacetimes. Using the Maxwell-Jüttner equilibrium distribution function, constructed as a solution of the relativistic Boltzmann equation, the equilibrium particle flow four-vector, stress-energy tensor and th…

[Phys. Rev. D 94, 085022] Published Fri Oct 21, 2016

]]>The variational approach to QCD in Coulomb gauge is revisited. By assuming the non-Abelian Coulomb potential to be given by the sum of its infrared and ultraviolet parts, i.e. by a linearly rising potential and an ordinary Coulomb potential, and by using a Slater determinant ansatz for the quark wav…

[Phys. Rev. D 94, 074027] Published Thu Oct 20, 2016

]]>We study parton distributions for two partons, a quark and a gluon, in the light-front dressed quark model, with a focus on the correlations between the two partons. The model calculation leads to sizable spin-spin and spin-kinematic correlations of interest for studies of double parton scattering i…

[Phys. Rev. D 94, 074029] Published Thu Oct 20, 2016

]]>The LHC has recently reported a slight excess in the $h\to \tau \mu $ channel. If this lepton flavor violating (LFV) decay is confirmed, an extension of the standard model (SM) will be required to explain it. In this paper we investigate two different possibilities to accommodate such a LFV process: the first s…

[Phys. Rev. D 94, 075010] Published Thu Oct 20, 2016

]]>We investigate the effects of resonance-continuum interference on the diphoton spectrum in the presence of a new spin-0 or spin-2 state produced via gluons or quarks and decaying to pairs of photons. Interference effects can significantly influence the extraction of resonance masses and widths from …

[Phys. Rev. D 94, 075011] Published Thu Oct 20, 2016

]]>[Phys. Rev. D 94, 079903] Published Thu Oct 20, 2016

]]>We study the collapse of a self-gravitating Bose-Einstein condensate with attractive self-interaction. Equilibrium states in which the gravitational attraction and the attraction due to the self-interaction are counterbalanced by the quantum pressure (Heisenberg’s uncertainty principle) exist only b…

[Phys. Rev. D 94, 083007] Published Thu Oct 20, 2016

]]>We study the nonlinear gravitational dynamics of a universe filled with a pressureless fluid and a cosmological constant $\mathrm{\Lambda}$ in the context of Newtonian gravity, and in the relativistic post-Friedmann approach proposed in paper I [I. Milillo *et al.*, Phys. Rev. D **92**, 023519 (2015)]. The post-Friedmann…

[Phys. Rev. D 94, 083515] Published Thu Oct 20, 2016

]]>Taking into account the mass splittings between three active neutrinos, we investigate the impacts of dark energy on constraining the total neutrino mass $\sum {m}_{\nu}$ by using recent cosmological observations. We consider two typical dark energy models, namely, the $w\mathrm{CDM}$ model and the holographic dark energy …

[Phys. Rev. D 94, 083519] Published Thu Oct 20, 2016

]]>To take full advantage of the unprecedented power of upcoming weak lensing surveys, understanding the noise, such as cosmic variance and geometry/mask effects, is as important as understanding the signal itself. Accurately quantifying the noise requires a large number of statistically independent mo…

[Phys. Rev. D 94, 083520] Published Thu Oct 20, 2016

]]>This paper provides a theoretical underpinning to the recent experimental observation of the analog Hawking effect in a BEC system, while also raising some relevant issues that need to be addressed to make the observation entirely reliable. Additionally, the paper unveils a new effect through the density two point function, which will certainly trigger new work in the active field of analog gravity.

[Phys. Rev. D 94, 084027] Published Thu Oct 20, 2016

]]>Combining information from weak sources, such as known pulsars, for gravitational wave detection, is an attractive approach to improve detection efficiency. We propose an optimal statistic for a general ensemble of signals and apply it to an ensemble of known pulsars. Our method combines $\mathcal{F}$-statistic…

[Phys. Rev. D 94, 084029] Published Thu Oct 20, 2016

]]>We treat quantum creation of gravitons by small scale factor oscillations around the average of an expanding universe. Such oscillations can arise in standard general relativity due to oscillations of a homogeneous, minimally coupled scalar field. They can also arise in modified gravity theories wit…

[Phys. Rev. D 94, 084030] Published Thu Oct 20, 2016

]]>The probability of creating an electron-positron pair out of the quantum vacuum by a strong electric field can be enhanced tremendously via an additional weaker time-dependent field. This dynamically assisted Sauter-Schwinger effect has already been studied in several works. It has been found that t…

[Phys. Rev. D 94, 085015] Published Thu Oct 20, 2016

]]>We compute the jet quenching parameter $\widehat{q}$ of a quark-gluon plasma in the presence of a strong magnetic field using perturbative QCD (pQCD) in the weakly coupled regime, and $\mathrm{AdS}/\mathrm{CFT}$ correspondence in the strongly coupled regime of $\mathcal{N}=4$ super Yang-Mills. In the weakly coupled regime, we compute $\widehat{q}$ in p…

[Phys. Rev. D 94, 085016] Published Thu Oct 20, 2016

]]>We study the large-$N$ scaling behavior of the $\theta $ dependence of the ground-state energy density $E(\theta )$ of four-dimensional (4D) $SU(N)$ gauge theories and two-dimensional (2D) $C{P}^{N-1}$ models, where $\theta $ is the parameter associated with the Lagrangian topological term. We consider its $\theta $ expansion around $\theta =0$, $E(\theta \dots $

[Phys. Rev. D 94, 085017] Published Thu Oct 20, 2016

]]>We derive the electric permittivity $\epsilon $ and magnetic permeability ${\mu}_{M}$ of the quark-gluon plasma (QGP) with the kinetic theory associated with a Bhatnagar-Gross-Krook (BGK) collisional kernel. Based on them, we study the effect of collisions on the refractive index of QGP. Compared to the collisionless …

[Phys. Rev. D 94, 074026] Published Wed Oct 19, 2016

]]>We point out that a distinctive monotop signature is present in natural supersymmetry scenarios when a scalar top quark and Higgsinos are almost mass degenerate. This signature originates from a supersymmetric counterpart of the $t\overline{t}H$ process, i.e. $pp\to \tilde{t}t\tilde{h}$. Unlike monojet signatures exploiting initi…

[Phys. Rev. D 94, 075009] Published Wed Oct 19, 2016

]]>We present the results of a cross-correlation search for gravitational waves from SNR 1987A using the second year of LIGO science run 5 data. The frequency band 75–450 Hz is searched. No evidence of gravitational waves is found. A 90% confidence upper limit of ${h}_{0}\le 3.8\times {10}^{-25}$ is placed on the gravitati…

[Phys. Rev. D 94, 082004] Published Wed Oct 19, 2016

]]>An algorithm is used to generate new solutions of the scalar-field equations in homogeneous and isotropic universes. Solutions can be found for pure scalar fields with various potentials in the absence and presence of spatial curvature and other perfect fluids. A series of generalizations of the Cha…

[Phys. Rev. D 94, 083518] Published Wed Oct 19, 2016

]]>We use the method of characteristics to study superluminal graviton (which we call the swift graviton) propagation in theories of higher-curvature gravity of the form $(\text{Riemann}{)}^{2}$, $(\text{Riemann}{)}^{3}$, ${\nabla}^{2}(\text{Riemann}{)}^{2}$ and $(\text{Riemann}{)}^{4}$. We consider a $pp$-wave background. When probed by gravitons with an appropriate p…

[Phys. Rev. D 94, 084026] Published Wed Oct 19, 2016

]]>We introduce a new technique for dealing with the matrix elements of the Hamiltonian operator in loop quantum gravity, based on the use of intertwiners projected on coherent states of angular momentum. We give explicit expressions for the projections of intertwiners on the spin coherent states in te…

[Phys. Rev. D 94, 084028] Published Wed Oct 19, 2016

]]>We study the impact of axion emission in simulations of massive star explosions, as an additional source of energy loss complementary to the standard neutrino emission. The inclusion of this channel shortens the cooling time of the nascent protoneutron star and hence the duration of the neutrino sig…

[Phys. Rev. D 94, 085012] Published Wed Oct 19, 2016

]]>It is known that not all summation methods are linear and stable. Zeta function regularization is in general nonlinear. However, in some cases formal manipulations with zeta function regularization (assuming linearity of sums) lead to correct results. We consider several examples and show why this h…

[Phys. Rev. D 94, 085013] Published Wed Oct 19, 2016

]]>Properties of hot dense ultrarelativistic spinor matter in a slab of finite width, placed in a transverse uniform magnetic field, are studied. The admissible set of boundary conditions is determined by the requirement that spinor matter be confined inside the slab. In thermal equilibrium, the chiral…

[Phys. Rev. D 94, 085014] Published Wed Oct 19, 2016

]]>A classically scale invariant (CSI) extension of the standard model (SM) induces radiative electroweak symmetry breaking and predicts anomalously large Higgs self-interactions. Hence, ${W}_{L}{W}_{L}$ scattering processes can be a good probe of the symmetry breaking mechanism. We develop a theoretical framework…

[Phys. Rev. D 94, 075007] Published Tue Oct 18, 2016

]]>After the discovery of the Higgs boson, understanding the nature of electroweak symmetry breaking and the associated electroweak phase transition has become the most pressing question in particle physics. Answering this question is a priority for experimental studies. Data from the LHC and future le…

[Phys. Rev. D 94, 075008] Published Tue Oct 18, 2016

]]>Recent observational progress has led to the establishment of the standard $\mathrm{\Lambda}\mathrm{CDM}$ model for cosmology. This development is based on different cosmological probes that are usually combined through their likelihoods at the latest stage in the analysis. We implement here an integrated scheme for cosmolog…

[Phys. Rev. D 94, 083517] Published Tue Oct 18, 2016

]]>Collaborative international efforts under the name of the Event Horizon Telescope project, using sub-mm very long baseline interferometry, are soon expected to provide the first images of the shadow cast by the candidate supermassive black hole in our Galactic center, Sagittarius A*. Observations of…

[Phys. Rev. D 94, 084025] Published Tue Oct 18, 2016

]]>We show that the braneworld rotating Kerr-Newman black hole and naked singularity spacetimes with both positive and negative braneworld tidal charge parameters can be separated into 14 classes according to the properties of circular geodesics governing the Keplerian accretion. We determine the effic…

[Phys. Rev. D 94, 086006] Published Tue Oct 18, 2016

]]>We argue that lepton flavor violating (LFV) decays $M\to {\ell}_{1}{\overline{\ell}}_{2}$ of quarkonium states $M$ with different quantum numbers could be used to put constraints on the Wilson coefficients of effective operators describing LFV interactions at low energy scales. We note that restricted kinematics of the two-body qua…

[Phys. Rev. D 94, 074023] Published Mon Oct 17, 2016

]]>We compute the relation between heavy quark masses defined in the modified minimal subtraction and the on-shell schemes. Detailed results are presented for all coefficients of the $\mathrm{SU}({N}_{c})$ color factors. The reduction of the four-loop on-shell integrals is performed for a general QCD gauge parameter. …

[Phys. Rev. D 94, 074025] Published Mon Oct 17, 2016

]]>Motivated by the recent discoveries of binary black-hole mergers by the Advanced Laser Interferometer Gravitational-Wave Observatory (Advanced LIGO), we investigate the prospects of ground-based detectors to perform a spectroscopic analysis of signals emitted during the ringdown of the final Kerr bl…

[Phys. Rev. D 94, 084024] Published Mon Oct 17, 2016

]]>In the present work we consider the phenomenological consequences of a predictive formulation of the Nambu–Jona-Lasinio (NJL) model at the one loop level of perturbative calculations. The investigation reported here can be considered as an extension of previously made ones on the same issue. In the …

[Phys. Rev. D 94, 085011] Published Mon Oct 17, 2016

]]>We present the first study of the process $J/\psi \to \gamma \eta {\pi}^{0}$ using $(223.7\pm 1.4)\times 1{0}^{6}$ $J/\psi $ events accumulated with the BESIII detector at the BEPCII facility. The branching fraction for $J/\psi \to \gamma \eta {\pi}^{0}$ is measured to be $\mathcal{B}(J/\psi \to \gamma \eta {\pi}^{0})=(2.14\pm 0.18(\text{stat})\pm 0.25(\text{syst}))\times 1{0}^{-5}$. With a Bayesian approach, the upper limits of the bran…

[Phys. Rev. D 94, 072005] Published Fri Oct 14, 2016

]]>In this work, we systematically study the strong decay behavior of the charmed mesons ${D}_{1}^{*}(2680)$, ${D}_{3}^{*}(2760)$, and ${D}_{2}^{*}(3000)$ reported by the LHCb Collaboration. By comparing the masses and the decay properties with the results of the experiment, we assign these newly observed mesons as the $2S\frac{1}{2}{1}^{-}$, $1D\frac{5}{2}{\mathrm{\dots}}^{}$

[Phys. Rev. D 94, 074024] Published Fri Oct 14, 2016

]]>We consider a scenario where the inflaton decays to a hidden sector thermally decoupled from the visible Standard Model sector. A tiny portal coupling between the hidden and the visible sectors later heats the visible sector so that the Standard Model degrees of freedom come to dominate the energy d…

[Phys. Rev. D 94, 083516] Published Fri Oct 14, 2016

]]>We show that Friedmann-Robertson-Walker geometry with a flat spatial section in quantized (Wheeler deWitt quantization) Brans-Dicke (BD) theory reveals a rich phase structure owing to anomalous breaking of a classical symmetry, which maps the scale factor $a\mapsto \lambda a$ for some constant $\lambda $. In the weak coupli…

[Phys. Rev. D 94, 084023] Published Fri Oct 14, 2016

]]>In order to imitate the anisotropic medium of a condensed matter system, we take into account an Einstein-Maxwell-dilaton-axion model as a dual gravity theory where the anisotropy is caused by different momentum relaxations. This gravity model allows an anisotropic charged black hole solution. On th…

[Phys. Rev. D 94, 086005] Published Fri Oct 14, 2016

]]>We discuss the parameter space reach of future experiments searching for heavy neutral leptons (HNLs). We consider the GeV seesaw model with three HNL generations and focus on two classes of models: generic assumptions (such as random mass matrices or the Casas-Ibarra parametrization) and flavor sym…

[Phys. Rev. D 94, 073004] Published Thu Oct 13, 2016

]]>By adopting the nonlinear realization of chiral symmetry, a holographic model for the baryon octet is proposed. The mass spectra of the baryon octet and their low-lying excited states, which show good consistency with experiments, are calculated. The couplings of pion to nucleons are derived in two …

[Phys. Rev. D 94, 074017] Published Thu Oct 13, 2016

]]>We use an anti–de Sitter/quantum chromodynamics holographic light-front wave function for the $\rho $ and $\varphi $ mesons, in conjunction with the color glass condensate dipole cross section whose parameters are fitted to the most recent 2015 high precision HERA data on inclusive deep inelastic scattering, in or…

[Phys. Rev. D 94, 074018] Published Thu Oct 13, 2016

]]>We present the CoLoRFulNNLO method to compute higher order radiative corrections to jet cross sections in perturbative QCD. We apply our method to the computation of event shape observables in electron-positron collisions at NNLO accuracy and validate our code by comparing our predictions to previou…

[Phys. Rev. D 94, 074019] Published Thu Oct 13, 2016

]]>We consider the $HZ$ associated production at the 14 TeV LHC in the littlest Higgs model (LHM) and study the corrections of the transverse momentum resummation and threshold resummation at the next-to-leading logarithmic (NLL) accuracy and the fixed-order prediction at the QCD next-to-leading order (N…

[Phys. Rev. D 94, 074020] Published Thu Oct 13, 2016

]]>Spontaneously broken supersymmetry (SUSY) and a vanishingly small cosmological constant imply that $R$ symmetry must be spontaneously broken at low energies. Based on this observation, we suppose that, in the sector responsible for low-energy $R$ symmetry breaking, a discrete $R$ symmetry remains preserve…

[Phys. Rev. D 94, 074021] Published Thu Oct 13, 2016

]]>The deconfinement transition and the hadronization mechanism at high energy are related to the quark-antiquark string breaking, and the corresponding temperature depends on the string tension $\sigma $. In the Unruh scheme of hadron production, it turns out $T=\sqrt{\sigma /2\pi}$, with $\sigma \simeq {\epsilon}^{\mathrm{vac}}$, the vacuum energy density. In…

[Phys. Rev. D 94, 074022] Published Thu Oct 13, 2016

]]>Axions can be described by a relativistic field theory with a real scalar field ϕ whose self-interaction potential is a periodic function of $\varphi $. Low-energy axions, such as those produced in the early Universe by the vacuum misalignment mechanism, can be described more simply by a nonrelativistic effe…

[Phys. Rev. D 94, 076004] Published Thu Oct 13, 2016

]]>The relativistic dynamic equations are derived for a superfluid-superconducting mixture coupled to an electromagnetic field. For definiteness, and bearing in mind possible applications of our results to neutron stars, it is assumed that the mixture is composed of superfluid neutrons, superconducting…

[Phys. Rev. D 94, 083006] Published Thu Oct 13, 2016

]]>We analytically study the linear response of a near-extremal Kerr black hole to external scalar, electromagnetic, and gravitational field perturbations. We show that the energy density, electromagnetic field strength, and tidal force experienced by infalling observers exhibit transient growth near t…

[Phys. Rev. D 94, 084017] Published Thu Oct 13, 2016

]]>We solve the Laplace equation $\square {h}_{ij}=0$ describing the propagation of gravitational waves in an expanding background metric with a power law scale factor in the presence of a point mass in the weak-field approximation (Newtonian McVittie background). We use boundary conditions at large distances from t…

[Phys. Rev. D 94, 084018] Published Thu Oct 13, 2016

]]>In this paper we perform a systematic study of spatially flat $[(3+\mathrm{D})+1]$-dimensional Einstein-Gauss-Bonnet cosmological models with the $\mathrm{\Lambda}$-term. We consider models that topologically are the product of two flat isotropic subspaces with different scale factors. One of these subspaces is three-dimension…

[Phys. Rev. D 94, 084019] Published Thu Oct 13, 2016

]]>Energy is at best defined quasilocally in general relativity. Quasilocal energy definitions depend on the conditions one imposes on the boundary Hamiltonian, i.e., how a finite region of spacetime is “isolated.” Here, we propose a method to define and investigate systems in terms of their matter plu…

[Phys. Rev. D 94, 084020] Published Thu Oct 13, 2016

]]>We construct $F(T,{(\nabla T)}^{2},\square T)$ gravitational modifications, which are novel classes of modified theories arising from higher-derivative torsional terms in the action and are different than their curvature analogue. Applying them in a cosmological framework, we obtain an effective dark energy sector comp…

[Phys. Rev. D 94, 084021] Published Thu Oct 13, 2016

]]>We perform a validation of estimates of the growth rate of structure, described by the parameter combination $f{\sigma}_{8}$, in modified gravity cosmologies. We consider an analysis pipeline based on the redshift-space distortion modeling of the clustering wedges statistic of the galaxy correlation function an…

[Phys. Rev. D 94, 084022] Published Thu Oct 13, 2016

]]>Casimir entropies due to quantum fluctuations in the interaction between electrical bodies can often be negative, caused either by dissipation or by geometry. Although generally such entropies vanish at zero temperature, consistent with the third law of thermodynamics (the Nernst heat theorem), ther…

[Phys. Rev. D 94, 085010] Published Thu Oct 13, 2016

]]>The cross section for pair production of top quarks ($t\overline{t}$) with high transverse momenta is measured in $pp$ collisions, collected with the CMS detector at the LHC with $\sqrt{s}=8\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{TeV}$ in data corresponding to an integrated luminosity of $19.7\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{fb}}^{-1}$. The measurement is performed using $\mathrm{lepton}+\text{jets}$ events, where …

[Phys. Rev. D 94, 072002] Published Wed Oct 12, 2016

]]>Using $482\text{\hspace{0.17em}}\text{\hspace{0.17em}}{\mathrm{pb}}^{-1}$ of ${e}^{+}{e}^{-}$ collision data collected at a center-of-mass energy of $\sqrt{s}=4.009\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$ with the BESIII detector, we measure the branching fractions of the decays ${D}_{s}^{+}\to {\mu}^{+}{\nu}_{\mu}$ and ${D}_{s}^{+}\to {\tau}^{+}{\nu}_{\tau}$. By constraining the ratio of decay rates of ${D}_{s}^{+}$ to ${\tau}^{+}{\nu}_{\tau}$ and to ${\mu}^{+}{\nu}_{\mu}$ to the Standard Model prediction, the bran…

[Phys. Rev. D 94, 072004] Published Wed Oct 12, 2016

]]>Hydroxide catalysis bonds are low mechanical loss joints which are used in the fused silica mirror suspensions of current room temperature interferometric gravitational wave detectors, one of the techniques which was essential to allow the recent detection of gravitational radiation by LIGO. More se…

[Phys. Rev. D 94, 082003] Published Wed Oct 12, 2016

]]>We determine the anomalous dimensions of baryon operators for the three-color theory as functions of the number of massless flavors within the conformal window to the maximum known order in perturbation theory. We show that the anomalous dimension of the baryon is controllably small, within the $\delta $ ex…

[Phys. Rev. D 94, 071702(R)] Published Tue Oct 11, 2016

]]>The NEMO-3 collaboration reports the half-life of ${}^{150}$Nd via the two-neutrino double-beta decay mode to an unprecedented accuracy. For the zero-neutrino double-beta decay mode of ${}^{150}$Nd, the distinctive signature of the possible Majorana nature of neutrinos, the NEMO-3 collaboration reports no observations but sets new upper bounds for the half-life in various scenarios beyond the standard model.

[Phys. Rev. D 94, 072003] Published Tue Oct 11, 2016

]]>In the light of the recent result from KamLAND-Zen (KLZ) and GERDA Phase-II, we update the bounds on the effective mass and the new physics parameters, relevant for neutrinoless double beta decay ($0\nu \beta \beta $). In addition to the light Majorana neutrino exchange, we analyze beyond standard model contributi…

[Phys. Rev. D 94, 073003] Published Tue Oct 11, 2016

]]>A new technique is explored for the Monte Carlo sampling of complex-valued distributions. The method is based on a heat bath approach where the conditional probability is replaced by a positive representation of it on the complex plane. Efficient ways to construct such representations are also intro…

[Phys. Rev. D 94, 074503] Published Tue Oct 11, 2016

]]>The interferometric LIGO detectors have recently measured the first direct gravitational-wave signal from what has been interpreted as the inspiral, merger and ringdown of a binary system of black holes. The signal-to-noise ratio of the measured signal is large enough to leave little doubt that it d…

[Phys. Rev. D 94, 084016] Published Tue Oct 11, 2016

]]>The Higgs boson mass and top quark mass imply that the Higgs quartic coupling vanishes around the scale of ${10}^{9}\u2013{10}^{13}\text{\hspace{0.17em}}\text{\hspace{0.17em}}\mathrm{GeV}$, depending on the precise value of the top quark mass. The vanishing quartic coupling can be naturally addressed if the Higgs field originates from a five-dimensional gauge field …

[Phys. Rev. D 94, 071701(R)] Published Mon Oct 10, 2016

]]>Actual solutions of the Bethe-Salpeter equation for a two-fermion bound system are becoming available directly in Minkowski space, by virtue of a novel technique, based on the so-called Nakanishi integral representation of the Bethe-Salpeter amplitude and improved by expressing the relevant momenta …

[Phys. Rev. D 94, 071901(R)] Published Mon Oct 10, 2016

]]>We study the longitudinal-transverse double-spin asymmetry with a $\mathrm{cos}{\varphi}_{S}$ modulation in semi-inclusive deep inelastic scattering for charged and neutral pion production. We consider the particular case in which the transverse momentum of the final-state hadron is integrated out. The corresponding asym…

[Phys. Rev. D 94, 074014] Published Mon Oct 10, 2016

]]>We present a detailed phenomenological study of $Z$-boson production in association with a jet through next-to-next-to-leading order (NNLO) in perturbative QCD. Fiducial cross sections and differential distributions for both 8 TeV and 13 TeV LHC collisions are presented. We study the impact of differe…

[Phys. Rev. D 94, 074015] Published Mon Oct 10, 2016

]]>We investigate the effect of turning on temperature for the charge neutral phase of two-flavor color superconducting (2SC) dense quark matter in the presence of constant external magnetic field. Within the Nambu–Jona-Lasinio model, by tuning the diquark coupling strength, we study the interdependent…

[Phys. Rev. D 94, 074016] Published Mon Oct 10, 2016

]]>[Phys. Rev. D 94, 079902] Published Mon Oct 10, 2016

]]>We propose that the vacuum state of a scalar field around a black hole is a modified Unruh vacuum. In ($1+1$) dimensions, we show that a free-faller close to such an horizon can be modeled as an inertial observer in a modified Minkowski vacuum. The modification allows for information-leaking correlati…

[Phys. Rev. D 94, 081502(R)] Published Mon Oct 10, 2016

]]>We determine the effect of intergalactic magnetic fields on the distribution of high-energy gamma rays by performing three-dimensional Monte Carlo simulations of the development of gamma-ray-induced electromagnetic cascades in the magnetized intergalactic medium. We employ the so-called “Large Spher…

[Phys. Rev. D 94, 083005] Published Mon Oct 10, 2016

]]>Recently, we numerically showed that, for a nonminimal coupling that is a simple power of the scale factor, scale invariant magnetic fields arise in a class of bouncing universes. In this work, we *analytically* evaluate the spectrum of magnetic and electric fields generated in a subclass of such mode…

[Phys. Rev. D 94, 083512] Published Mon Oct 10, 2016

]]>We investigate a bounce inflation model with a graceful exit into the Friedmann-Robertson-Walker (FRW) decelerated Universe within $f(T)$-gravity framework, where $T$ is the torsion scalar in the teleparallelism. We study the cosmic thermal evolution, the model predicts a supercold universe during the p…

[Phys. Rev. D 94, 083513] Published Mon Oct 10, 2016

]]>We propose a mechanism to generate a nearly scale-invariant spectrum of adiabatic scalar perturbations about a stable, ekpyrotic background. The key ingredient is a coupling between a single ekpyrotic field and a perfect fluid of ultrarelativistic matter. This coupling introduces a friction term int…

[Phys. Rev. D 94, 083514] Published Mon Oct 10, 2016

]]>We discuss a possible extension of calculations of the bending angle of light in a static, spherically symmetric and asymptotically flat spacetime to a nonasymptotically flat case. We examine a relation between the bending angle of light and the Gauss-Bonnet theorem by using the optical metric. A co…

[Phys. Rev. D 94, 084015] Published Mon Oct 10, 2016

]]>We study bosonization in $2+1$ dimensions using mirror symmetry, a duality that relates pairs of supersymmetric theories. Upon breaking supersymmetry in a controlled way, we dynamically obtain the bosonization duality that equates the theory of a free Dirac fermion to QED3 with a single scalar boson. …

[Phys. Rev. D 94, 085009] Published Mon Oct 10, 2016

]]>In the context of studying the 4D-effective potentials of type IIB nongeometric flux compactifications, this article has a twofold goal. First, we present a modular invariant symplectic rearrangement of the tree level nongeometric scalar potential arising from a flux superpotential which includes th…

[Phys. Rev. D 94, 086003] Published Mon Oct 10, 2016

]]>By introducing interacting scalar fields, we tried to engineer physically motivated holographic phase diagrams which may be interesting in the context of various known condensed matter systems. We introduce an additional scalar field in the bulk which provides a tunable parameter in the boundary the…

[Phys. Rev. D 94, 086004] Published Mon Oct 10, 2016

]]>Transition probability calculations of strong field particle processes in the Furry picture typically use fermion Volkov solutions. These solutions have a relatively complicated spinor due to the interaction of the electron spin with a strong external field, which in turn leads to unwieldy trace cal…

[Phys. Rev. D 94, 073002] Published Fri Oct 07, 2016

]]>The “QCD Kondo effect” stems from the color exchange interaction in QCD with non-Abelian property, and can be realized in a high-density quark matter containing heavy-quark impurities. We propose a novel type of the QCD Kondo effect induced by a strong magnetic field. In addition to the fact that th…

[Phys. Rev. D 94, 074013] Published Fri Oct 07, 2016

]]>In the first part of this paper, we calculate the disk-level $S$-matrix elements of one Ramond-Ramond (RR), one Neveu-Schwarz-Neveu-Schwarz (NSNS), and one Neveu-Schwarz (NS) vertex operator, and show that they are consistent with the amplitudes that have been recently found by applying various Ward i…

[Phys. Rev. D 94, 086002] Published Fri Oct 07, 2016

]]>We consider the influence of photon-initiated processes on high-mass particle production. We discuss in detail the photon parton distribution function (PDF) at relatively high parton $x$, relevant to such processes, and evaluate its uncertainties. In particular we show that, as the dominant contributi…

[Phys. Rev. D 94, 074008] Published Thu Oct 06, 2016

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