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Quarkonium production is an excellent probe to investigate the properties of the hot and dense medium, which can be created in heavy-ion collisions. The production and hadronisation of heavy quarks are well separated in the space-time…

核实验 · 物理学 2018-11-28 Markus K. Koehler

QCD is the fundamental theory to describe the strong interaction, where quarks and gluons have the color degrees of freedom. However, a single quark or gluon can not be separated out and all observable particles are color singlet states.…

综合物理 · 物理学 2021-09-22 P. Wang

We study the azimuthal asymmetries for quark pair production in proton-nucleus collisions using a hybrid approach in which the nucleus is treated in the Color Glass Condensate (CGC) framework while the Lipatov approximation is applied on…

高能物理 - 唯象学 · 物理学 2013-03-14 Emin Akcakaya , Andreas Schäfer , Jian Zhou

The study of inclusive charged-particle production in heavy-ion collisions provides insights into the density of the medium and the energy-loss mechanisms. The observed suppression of high-$\textit{p}_\text{T}$ yield is generally attributed…

核实验 · 物理学 2016-09-26 Julius Gronefeld

We study charmonium production in proton-nucleus ($p$-A) collisions focusing on final-state effects caused by the formation of an expanding medium. Toward this end, we utilize a rate equation approach within a fireball model as previously…

核理论 · 物理学 2019-03-20 Xiaojian Du , Ralf Rapp

Hard processes leading to high transverse momentum hadron production are calculable in perturbative Quantum Chromodynamics (pQCD) for proton-proton collisions. In heavy-ion collisions, such processes occur as well, and due to a separation…

高能物理 - 唯象学 · 物理学 2007-05-23 Thorsten Renk

We show how the limiting fragmentation phenomenon can arise from the Color Glass Condensate model of high energy QCD. We consider the very forward rapidity region in relativistic heavy ion collisions and argue that in this region,…

核理论 · 物理学 2010-11-30 Jamal Jalilian-Marian

Heavy quark production in high-energy proton-nucleus (pA) collisions is described in the framework of the Color Glass Condensate. kT factorization is broken even at leading order albeit a more general factorization in pA holds at this order…

高能物理 - 唯象学 · 物理学 2008-11-26 H. Fujii , F. Gelis , R. Venugopalan

After achieving a successful description of charmonia production in proton-proton (pp) collisions within Non-Relativistic Quantum Chromodynamics (NRQCD) and modified NRQCD (MNRQCD) frameworks, we now extend our study to proton-lead (p-Pb)…

高能物理 - 唯象学 · 物理学 2025-08-28 Sudhansu S. Biswal , Sushree S. Mishra , Monalisa Mohanty , K. Sridhar

We test the hypothesis that configurations of a proton with a large-$x$ parton, $x_p \gtrsim 0.1$, have a smaller than average size. The QCD $Q^2$ evolution equations suggest that these small configurations also have a significantly smaller…

高能物理 - 唯象学 · 物理学 2018-10-17 Massimiliano Alvioli , Leonid Frankfurt , Dennis Perepelitsa , Mark Strikman

We study the nuclear medium effects on the $c\bar{c}$ time evolution and charmonium production, in a relativistic proton-nucleus collision. In particular, we focus on the fragmentation region of the nucleus where the formation length of the…

高能物理 - 唯象学 · 物理学 2009-11-10 D. Koudela , C. Volpe

We study single inclusive hadron production in proton-proton and proton-nucleus collisions in the CGC framework. The parameters in the calculation are obtained by fitting electron-proton deep inelastic scattering data. The obtained…

高能物理 - 唯象学 · 物理学 2014-06-13 T. Lappi , H. Mäntysaari

In this article, we investigate the potential of low-mass lepton pair production in proton-ion collisions at the LHC to constrain nuclear modifications of parton densities. Similarly to prompt photon production, the transverse momentum…

高能物理 - 唯象学 · 物理学 2015-06-18 M. Brandt , M. Klasen , F. König

We investigate the production of the $\Omega_{ccc}$ baryon in relativistic heavy-ion collisions. Unlike proton-proton collisions, nuclear collisions produce both deconfined matter and abundant charm quark pairs, which can coalesce to form…

核理论 · 物理学 2025-07-08 Tianyang Li , Jiamin Liu , Shiqi Zheng , Baoyi Chen

Studying the production of J/$\psi$ (bound state of charm and anti-charm quark) in proton-proton collisions gives an opportunity to test quantum chromodynamics (QCD) calculations, as the production of J/$\psi$ involves both perturbative and…

高能物理 - 实验 · 物理学 2025-08-01 Jitka Mrazkova

In ultra-relativistic heavy ion collisions, early stage multiple scatterings may lead to an increase of the color electric field strength. Consequently, particle production - especially heavy quark (and di-quark) production - is greatly…

高能物理 - 唯象学 · 物理学 2009-10-31 M. Bleicher , W. Greiner , H. Stöcker , N. Xu

Recent results on particle production in hadronic collisions at the LHC, from proton-proton (pp) to nucleus-nucleus (AA), challenge the traditional paradigm of hadronization as a universal late-time process which can be factorized from the…

高能物理 - 唯象学 · 物理学 2024-11-01 Andrea Beraudo

We present various predictions for the upcoming p+Pb collisions at \sqrt{S}=5 TeV within the color glass condensate (CGC) formalism, including single inclusive charged hadron production, single inclusive prompt photon production, direct…

高能物理 - 唯象学 · 物理学 2012-12-14 Amir H. Rezaeian

Isothermal compressibility ($\kappa_{\rm T}$) is an important thermodynamic observable which gives information about the deviation of a system from perfect fluid behavior. In this work, for the first time we have estimated the isothermal…

高能物理 - 唯象学 · 物理学 2022-05-03 Dushmanta Sahu , Sushanta Tripathy , Raghunath Sahoo , Swatantra Kumar Tiwari

We compute the production of quark-antiquark pairs in high energy collisions between a small and a large projectile, as in proton-nucleus collisions, in the framework of the Color Glass Condensate. We derive a general expression for quark…

高能物理 - 唯象学 · 物理学 2010-11-30 J. P. Blaizot , F. Gelis , R. Venugopalan