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Related papers: Photon production from non-equilibrium disoriented…

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We analyze the photon rates from a hadronic gas in equilibrium using chiral reduction formulas and a density expansion. The chiral reduction is carried to second order in the pion density which in principal includes all kinetic processes of…

Nuclear Theory · Physics 2010-12-23 Kevin Dusling , Ismail Zahed

Quantum nonreciprocity-a fundamental phenomenon enabling directional control of quantum states and photon correlations-has long been recognized as pivotal for quantum technologies. However, the experimental realization of nonreciprocal…

Formal expressions are developed for the general five-fold differential cross section of incoherent $\pi$-photoproduction on the deuteron including beam and target polarization. The polarization observables of the cross section are…

Nuclear Theory · Physics 2009-11-11 H. Arenhoevel , A. Fix

Photoproduction can be studied at hadron colliders by using the virtual photons associated with the hadron beams. The LHC will reach photonucleon energies 10 times higher than that available elsewhere. These reactions are already being…

Nuclear Experiment · Physics 2019-08-14 Spencer R. Klein

The phase diagram of dense quark matter with chiral imbalance is considered with the conditions of electric neutrality and $\beta$-equilibrium. It has been shown recently that chiral imbalance can generate charged pion condensation in dense…

High Energy Physics - Phenomenology · Physics 2020-12-02 T. G. Khunjua , K. G. Klimenko , R. N. Zhokhov

We use a self-consistent chiral-hydrodynamic formalism which combines the linear $\sigma$ model with second-order hydrodynamics in 2+1 dimensions to compute the spectrum of thermal photons produced in Au+Au collisions at $\sqrt{s_{NN}}=200$…

High Energy Physics - Phenomenology · Physics 2015-06-11 J. Peralta-Ramos , M. S. Nakwacki

The production of large $p_{T}$ dileptons and photons originating from photoproduction processes in p-p collisions at Large Hadron Collider energies is calculated. The comparisons between the exact treatment results and the ones of the…

High Energy Physics - Phenomenology · Physics 2018-04-18 Zhi-Lei Ma , Jia-Qing Zhu

Understanding strongly correlated quantum systems is a central problem in many areas of physics. The collective behavior of interacting particles gives rise to diverse fundamental phenomena such as confinement in quantum chromodynamics,…

Other Condensed Matter · Physics 2009-11-13 D. E. Chang , V. Gritsev , G. Morigi , V. Vuletic , M. D. Lukin , E. A. Demler

Exciton-polaritons generated by light-induced potentials can spontaneously condense into macroscopic quantum states that display nontrivial spatial and temporal density modulation. While these patterns and their dynamics can be reproduced…

Mesoscale and Nanoscale Physics · Physics 2013-11-20 Li Ge , Ani Nersisyan , Baris Oztop , Hakan E. Tureci

We present an event-by-event study of photons produced by the chiral magnetic effect in the early stage of high-energy nuclear collisions. We model the early stage with an evolving, 2+1 dimensional, glasma, initialized via the…

High Energy Physics - Phenomenology · Physics 2025-04-04 M. R. Jia

We consider an ``oriented'' chiral condensate produced in the squeezed states of the effective field theory with time- and space-dependent pion mass parameter. We discuss the general properties of the solution, identifying condensate modes…

Nuclear Theory · Physics 2009-10-31 Alexander Volya , Scott Pratt , Vladimir Zelevinsky

Time-dependent nonlinear media, such as rapidly generated plasmas produced via laser ionization of gases, can increase the energy of individual laser photons and generate tunable high-order harmonic pulses. This phenomenon, known as photon…

The electromagnetic probe has proven to be a very efficient way to access the $3-$dimensional structure of the nucleon, particularly thanks to the exclusive Compton processes. We explore the hard photoproduction of a large invariant mass…

High Energy Physics - Phenomenology · Physics 2019-09-04 A. Pedrak , B. Pire , L. Szymanowski , J. Wagner

Many optically active systems possess spatially asymmetric electron orbitals. These generate permanent dipole moments, which can be stronger than the corresponding transition dipole moments, significantly affecting the system dynamics and…

Quantum Physics · Physics 2023-04-21 Adam Burgess , Marian Florescu , Dominic Michael Rouse

Considering the propagation of off-shell particles in the framework of thermal field theory, we present the general formalism for the calculation of the production rate of soft photons and dileptons from a hot plasma. This approach is…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. A. Henning , E. Quack

The production of single photons in relativistic heavy ion collisions at CERN SPS, BNL RHIC and CERN LHC energies is re-examined in view of the recent studies of Aurenche et al which show that the rate of photon production from quark gluon…

Nuclear Theory · Physics 2016-08-15 Dinesh Kumar Srivastava

Chiral nonlinear response has been explored for decades due to its extreme sensitivity to molecular and structural dissymmetry. Conventional approaches often require bulky systems and produce only static nonlinear chirality. Here, we report…

The signatures of the creation of a disoriented chiral condensate in heavy-ion collisions are studied in the Ginzburg-Landau description of chiral phase transition. Scaling properties are found that characterize the fluctuations of charged…

High Energy Physics - Phenomenology · Physics 2011-08-11 Rudolph C. Hwa , C. B. Yang

Soft photons produced in heavy ion collisions are an important tool for probing the properties of the quark-gluon plasma. It is therefore crucial to understand the background - soft photons produced in elementary collisions. Low theorem…

High Energy Physics - Phenomenology · Physics 2015-06-22 Frasher Loshaj , Dmitri E. Kharzeev

Polarization-entangled photons are indispensable to numerous quantum technologies and fundamental studies. In this paper, we propose and demonstrate a novel source that generates collinear polarization-entangled photons by simultaneously…