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Related papers: RpA ratio: total shadowing due to running coupling

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Combining high-performance CUDA numerical codes with the Hamilton--Jacobi formalism, we investigate the shadows properties of rotating charged Euler--Heisenberg black holes in the presence of global monopoles. Then, we discuss the…

General Physics · Physics 2026-04-17 S. E. Baddis , A. Belhaj , H. Belmahi , S. E. Ennadifi , M. Jemri

The self-consistent random phase approximation (RPA) approach with the residual interaction derived from a relativistic point-coupling energy functional is applied to evaluate the isospin symmetry-breaking corrections {\delta}c for the…

Nuclear Theory · Physics 2015-03-19 Z. X. Li , J. M. Yao , H. Chen

The recently published first measurement of charged hadron multiplicity density at mid-rapidity $dN_{ch}/d\eta=1584 \pm 4 ({\rm stat.}) \pm 76 ({\rm sys.})$ in central $Pb+Pb$ collisions at $\sqrt{s} = 2.76$ TeV by the ALICE Experiment at…

Nuclear Theory · Physics 2011-08-19 Wei-tian Deng , Xin-Nian Wang , Rong Xu

Finalized PHENIX results are presented on $J/\psi$ modification from the RHIC system-size scan, which include $p$+Al, $p$+Au, and $^{3}$He+Au (small systems) collisions as well as $AA$ (large systems) collisions at forward and backward…

Nuclear Experiment · Physics 2023-06-06 T. Novák

The properties of the new analytic running coupling are investigated at the higher loop levels. The expression for this invariant charge, independent of the normalization point, is obtained by invoking the asymptotic freedom condition. It…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Nesterenko , I. L. Solovtsov

We examine, in the `t Hooft renormalization scheme, the analytic running coupling $\bar\alpha_t(Q^2)$ in QCD, using the two-loop $\beta$-function with positive expansion parameters $\beta_0$ and $\beta_1$. An exact integral representation…

High Energy Physics - Theory · Physics 2022-07-27 F. T. Brandt , J. Frenkel , D. G. C. McKeon , G. S. S. Sakoda

The shadow limit is a versatile tool used to study the reduction of reaction-diffusion systems into simpler PDE-ODE models by letting one of the diffusion coefficients tend to infinity. This reduction has been used to understand different…

Analysis of PDEs · Mathematics 2023-05-08 Víctor Hernández-Santamaría , Alberto Peña-García

Measurements of thermal conductivity ($\kappa$) versus temperature and doping for several cuprate superconductors are discussed. Suppressed values of the normal-state $\kappa$ and the slope change in $\kappa$ at $T_c$, observed near 1/8…

Superconductivity · Physics 2009-10-31 Joshua L. Cohn

The method of measuring $\hat{x}_h=\hat{p}_{Ta}/\hat{p}_{Tt}$, the ratio of the away-parton transverse momentum, $\hat{p}_{T_a}$, to the trigger-parton transverse momentum, $\hat{p}_{T_t}$, using two-particle correlations at RHIC, will be…

Nuclear Experiment · Physics 2019-08-13 M. J. Tannenbaum

Most signatures of new physics in colliders have been studied so far on the transverse plane with respect to the beam direction. In this work however we study the impact of a hidden sector beyond the Standard Model (SM) on inclusive…

High Energy Physics - Phenomenology · Physics 2014-09-19 Miguel-Angel Sanchis-Lozano , Edward Sarkisyan-Grinbaum

The incoherent transition strength of the exotic mu-e conversion in the 208Pb nucleus is investigated by utilizing the Continuum RPA method, appropriate for the evaluation of the rate that goes to the continuum of the nuclear spectrum. We…

Nuclear Theory · Physics 2008-11-26 P. Papakonstantinou , T. S. Kosmas , J. Wambach , A. Faessler

We present specific heat, c_P, and ARPES data on single crystals of the stoichiometric superconductor LiFeAs. A pronounced anomaly is found in c_P at the superconducting transition. The electronic contribution can be described by two s-type…

We propose new cross section ratios in ultra-peripheral A$+$A and $p+$A collisions (UPCs) as a potential experimental signal of saturation physics. We consider the ratio $R_1$ of elastic vector meson photoproduction cross section to the…

High Energy Physics - Phenomenology · Physics 2024-06-06 Yuri V. Kovchegov , Huachen Sun , Zhoudunming Tu

Based on duality, we previously proposed to use rich informations on pi p total cross sections below N=10GeV in addition to high-energy data in order to discriminate whether these cross sections increase like log nu or log2 nu at high…

High Energy Physics - Phenomenology · Physics 2007-05-23 Keiji Igi , Muneyuki Ishida

In this paper, we study the statistical characterization of the sum of the squared $\kappa-\mu$ shadowed random variables with correlated shadowing components. The probability density function (PDF) of this sum is obtained in the form of a…

Information Theory · Computer Science 2014-09-09 Manav R. Bhatnagar

We formulate the QCD critical point focusing effect on transverse velocity ($\beta_{t}$) dependence of antiproton to proton ($\bar{p}/p$) ratio, which was recently proposed by Asakawa {\it et al.} as an experimental signature of QCD…

Nuclear Theory · Physics 2009-04-17 Xiaofeng Luo , Ming Shao , Cheng Li , Hongfang Chen

We analyze the forward-backward multiplicity correlation coefficient as measured by STAR. We show that in the most central Au+Au collisions bins located symmetrically around \eta = 0 with large separation in pseudorapidity are more strongly…

High Energy Physics - Phenomenology · Physics 2015-05-30 Adam Bzdak

It is very likely that hadronic scattering will enter a new regime at the LHC, as the black-disk limit is reached. This will lead to a severe change in the t dependence of the real part and of the slope of the elastic scattering amplitude,…

High Energy Physics - Phenomenology · Physics 2009-02-23 J. -R. Cudell , O. V. Selyugin

One of the long-standing puzzles observed in many laser-plasma experiments is the gap in the Raman backscattering spectrum. This gap is characterized by the absence of backscattered light between some critical wavelength and twice the…

Plasma Physics · Physics 2023-09-20 Ido Barth , Pierre Michel

Antiferromagnetic or charge density wave fluctuations couple with light through the recently discovered {\pi}-ton contribution to the optical conductivity, and quite generically constitute the dominant vertex corrections in low-dimensional…

Strongly Correlated Electrons · Physics 2021-09-29 Paul Worm , Clemens Watzenböck , Matthias Pickem , Anna Kauch , Karsten Held
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