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We study Drell-Yan (DY) dilepton production in proton(deuterium)-nucleus and in nucleus-nucleus collisions within the light-cone color dipole formalism. This approach is especially suitable for predicting nuclear effects in the DY cross…

高能物理 - 唯象学 · 物理学 2008-11-26 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov , M. B. Johnson

We present a detailed study of prompt photon production cross section in heavy-ion collisions in the central rapidity region at energy of $\sqrt{s}=5.5$ TeV, appropriate to LHC experiment. We include the next-to-leading order radiative…

高能物理 - 唯象学 · 物理学 2009-11-07 Jamal Jalilian-Marian , Kostas Orginos , Ina Sarcevic

The suppression of high transverse momentum (P_T) inclusive hadron spectra in heavy-ion collisions as compared to the scaled expectation of high P_T hadron production in p-p collisions is the most direct manifestation of the interaction of…

高能物理 - 唯象学 · 物理学 2008-11-26 Thorsten Renk , Kari J. Eskola

We present a complete systematic theoretical study of multifragmentation for asymmetric colliding nuclei for heavy-ion reactions in the energy range between 50 MeV/nucleon and 1000 MeV/nucleon by using isospin dependent quantum molecular…

核理论 · 物理学 2011-09-27 Deepinder Kaur , Varinderjit Kaur , Suneel Kumar

Heavy quark observables are applied to probe the initial energy density distribution with violation of longitudinal boost invariance produced in relativistic heavy-ion collisions. Using an improved Langevin model coupled to a…

核理论 · 物理学 2023-01-25 Ze-Fang Jiang , Shanshan Cao , Wen-Jing Xing , Xiaowen Li , Ben-Wei Zhang

PHENIX measurements of high transverse momentum ($p_T$) identified hadrons in $d$+Au and Au+Au collisions are presented. The nuclear modification factors ($R_{d{\rm A}}$ and $R_{\rm AA}$) for $\pi^0$ and $\eta$ are found to be very…

核实验 · 物理学 2019-08-13 Takao Sakaguchi

The discussion is focused on the study of the fundamental symmetries ($\mathcal{P/CP}$) of QCD and geometry of the particle source. The combination of correlators corresponding to the absolute asymmetry of distribution of electrically…

核实验 · 物理学 2016-08-22 V. A. Okorokov

The suppression of high transverse momentum P_T hadron production in ultrarelativistic heavy-ion (A-A) collisions as compared to the scaled expectation from proton-proton (p-p) collisions expressed as the nuclear modification factor R_AA is…

高能物理 - 唯象学 · 物理学 2010-04-06 Thorsten Renk

After a short summary of the predictions of the Parton Quenching Model (PQM) for the nuclear modification factor and its centrality dependence in Au-Au collisions at RHIC, we concentrate on back-to-back jet-like correlations at high…

高能物理 - 唯象学 · 物理学 2009-11-11 Andrea Dainese , Constantin Loizides , Guy Paic

Collisions between hadronic systems at relativistic energies provide a window on the small-x gluon distributions of fast moving nuclei. It has been predicted that gluon saturation effects will manifest themselves as a suppression in the…

核实验 · 物理学 2010-12-13 Selemon Bekele

The nuclear overlap zone in non-central relativistic heavy ion collisions is azimuthally very asymmetric. By varying the angle between the axes of deformation and the transverse direction of the pair momenta, the transverse HBT radii…

核理论 · 物理学 2009-10-31 H. Heiselberg

The rapidity dependence of the nuclear modification factor in d-Au collaisions at sqrt(s) = 200 GeV at RHIC is discussed.

核实验 · 物理学 2019-08-14 F. Videbaek

The production of the massive bosons $Z^0$ and $W^{\pm}$ could provide an excellent tool to study cold nuclear matter effects and the modifications of nuclear parton distribution functions (nPDFs) relative to parton distribution functions…

核理论 · 物理学 2015-10-15 Peng Ru , Ben-Wei Zhang , Enke Wang , Wei-Ning Zhang

We compute the distributions of charged particles at large transverse momenta in $p\bar p(p)$, $pA$ and $AA$ collisions in the framework of perturbative QCD, by using collinear factorization and the modern PDFs and fragmentation functions.…

高能物理 - 唯象学 · 物理学 2010-04-05 K. J. Eskola , H. Honkanen

Nuclear modification factors for pion production in AuAu and CuCu collisions are analyzed at very high transverse momenta. At p_T > 10 GeV/c, the R_{AA}(p_T) is determined mostly by the initial state nuclear modifications (e.g. EMC effect)…

高能物理 - 唯象学 · 物理学 2009-05-07 G. G. Barnafoldi , G. Fai , P. Levai , G. Papp , B. A. Cole

The parity violating longitudinal asymmetry ${\cal A}$ is calculated for quasielastic electron scattering. We use a variety of relativistic mean field models for the response of nuclear matter and $^{12}$C at a momentum transfer of q=550…

核理论 · 物理学 2008-11-26 C. J. Horowitz , J. Piekarewicz

In 2015 the first collisions between polarized protons and nuclei occurred at the Relativistic Heavy Ion Collider (RHIC), at a center-of-mass energy of $\sqrt{s_{NN}}=200$ GeV. Comparisons between spin asymmetries and cross-sections in…

高能物理 - 实验 · 物理学 2018-05-24 Christopher Dilks

Predictions are provided for double differential cross sections and forward-backward ratios of $D^{0}$ production in $p\rm Pb$ (forward) and $\rm{Pb}$$p$ (backward) collisions at 5.02~TeV. The effect of nuclear corrections on the ratio of…

高能物理 - 唯象学 · 物理学 2016-01-13 Rhorry Gauld

The hot and dense strongly interacting matter created in collisions of heavy nuclei at RHIC energies is modeled with relativistic hydrodynamics, and the spectra of real and virtual photons produced at mid-rapidity in these events are…

高能物理 - 唯象学 · 物理学 2008-11-26 Simon Turbide , Charles Gale , Evan Frodermann , Ulrich Heinz

Within the framework of a generalized factorization, semi-inclusive deeply inelastic scattering (SIDIS) cross sections can be expressed as a series of products of collinear hard parts and transverse-momentum-dependent (TMD) parton…

高能物理 - 唯象学 · 物理学 2014-11-20 Jian-Hua Gao , Zuo-tang Liang , Xin-Nian Wang