English
Related papers

Related papers: Probing Saturation Effect in Heavy Meson Pair Corr…

200 papers

The nuclear suppression of forward $J/\psi$ production in high energy proton-nucleus collisions can be used as a probe of gluon saturation at small $x$. In an earlier work we studied this suppression in minimum bias collisions in the Color…

High Energy Physics - Phenomenology · Physics 2016-07-05 B. Ducloué , T. Lappi , H. Mäntysaari

In heavy-ion ({\it A-A}) collisions, the correlations among the particles produced across wide range in rapidity, probe the early stages of the reaction. The analyses of forward-backward multiplicity correlations in these collisions are…

Nuclear Experiment · Physics 2015-06-17 Sudipan De , T. Tarnowsky , T. K. Nayak , R. P. Scharenberg , B. K. Srivastava

The study of azimuthal correlations in particle production at forward rapidities in proton-nucleus collisions provides direct information about high gluon density effects, like gluon saturation, in the nuclear wavefunction. In the…

High Energy Physics - Phenomenology · Physics 2015-06-16 Edmond Iancu , Julien Laidet

We show that saturation can manifest itself in central-forward dijet production in p-A collisions. In spite of large transverse momenta of the jets, the almost back-to-back dijet configurations are able to probe gluon density at low x and…

High Energy Physics - Phenomenology · Physics 2012-12-21 Sebastian Sapeta

We study the disappearance of the away-side peak of the di-hadron correlation function in p+A vs p+p collisions at forward rapidities, when the scaterring process presents a manifest dilute-dense asymmetry. We improve the state-of-the-art…

High Energy Physics - Phenomenology · Physics 2019-01-09 Javier L. Albacete , Giuliano Giacalone , Cyrille Marquet , Marek Matas

In this work, we study for the first time jet-medium interactions in heavy-ion collisions with introduction of saturation and Sudakov effects with parameters tuned for upcoming forward calorimeter acceptances in experiments, in particular…

High Energy Physics - Phenomenology · Physics 2025-04-01 Souvik Priyam Adhya , Krzysztof Kutak , Wieslaw Placzek , Martin Rohrmoser , Konrad Tywoniuk

We study saturation effects in the production of dijets in p-p and p-Pb collisions using the framework of high energy factorization. We focus on central-forward jet configurations, which allow for probing gluon density at low longitudinal…

High Energy Physics - Phenomenology · Physics 2013-05-30 Krzysztof Kutak , Sebastian Sapeta

The study of correlations among particles produced in different rapidity regions may provide understanding of the mechanisms of particle production. Correlations that extend over a longer range are observed in hadron-hadron interactions…

Nuclear Experiment · Physics 2008-11-26 Brijesh K. Srivastava

Using a model based on the Color Glass Condensate framework and the dilute-dense factorization, we systematically study the azimuthal angular correlations between a heavy flavor meson and a light reference particle in proton-nucleus…

High Energy Physics - Phenomenology · Physics 2020-08-19 Cheng Zhang , Cyrille Marquet , Guang-You Qin , Yu Shi , Lei Wang , Shu-Yi Wei , Bo-Wen Xiao

We derive the formulae for the cross section of J/Psi production in high energy pA and AA collisions taking into account the gluon saturation/color glass condensate effects. We then perform the numerical calculations of the corresponding…

High Energy Physics - Phenomenology · Physics 2015-05-30 F. Dominguez , D. E. Kharzeev , E. M. Levin , A. H. Mueller , K. Tuchin

We investigate hadrons and direct photon production in pp and pA collisions at the energies of RHIC and LHC within the color-dipole approach employing various saturation models. We show that greatest sensitivity to saturation effects is…

High Energy Physics - Phenomenology · Physics 2010-06-23 Amir H. Rezaeian , Andreas Schaefer

The forthcoming LHC measurement of hadron multiplicity in proton-nucleus collisions is a crucial test of the k_t factorization and gluon saturation based models. Here, we provide quantitative predictions for the pseudorapidity distribution…

High Energy Physics - Phenomenology · Physics 2012-01-26 Amir H. Rezaeian

We study the effects of gluon saturation on pion production in high energy proton-nucleus collisions using the color glass condensate model. At high p_perp, we show that the p_perp-distribution of gluons behaves as ~ 1/(p_perp^7) in…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. T. Lenaghan , K. Tuominen

Saturation of small-x gluons in a nucleus, which has the form of transverse momentum broadening of projectile gluons in pA collisions in the nuclear rest frame, leads to a modification of the parton distribution functions in the beam…

High Energy Physics - Phenomenology · Physics 2011-03-03 B. Z. Kopeliovich , H. J. Pirner , I. K. Potashnikova , Ivan Schmidt

We study two-particle long-range rapidity correlations arising in the early stages of heavy ion collisions in the saturation/Color Glass Condensate framework, assuming for simplicity that one colliding nucleus is much larger than the other.…

High Energy Physics - Phenomenology · Physics 2015-06-12 Yuri V. Kovchegov , Douglas E. Wertepny

The production of forward $J/\psi$ mesons in proton-nucleus collisions can provide important information on gluon saturation. In a previous work we studied this process in the Color Glass Condensate framework, describing the target using a…

High Energy Physics - Phenomenology · Physics 2016-11-23 B. Ducloué , T. Lappi , H. Mäntysaari

We extend previous work on high energy nuclear collisions in the Color Glass Condensate model to study collisions of finite ultrarelativistic nuclei. The changes implemented include a) imposition of color neutrality at the nucleon level and…

High Energy Physics - Phenomenology · Physics 2009-07-09 Alex Krasnitz , Yasushi Nara , Raju Venugopalan

Hadron production in proton-nucleus (pA) collisions was previously shown to be suppressed by medium-induced fully coherent energy loss (FCEL). We show that the quenching of $D$ and $B$ mesons in pPb collisions at the LHC due solely to FCEL…

High Energy Physics - Phenomenology · Physics 2022-02-16 François Arleo , Greg Jackson , Stéphane Peigné

Forward-backward multiplicity correlation strengths have been measured with the STAR detector for Au+Au and $\textit{p+p}$ collisions at $\sqrt{s_{NN}}$ = 200 GeV. Strong short and long range correlations (LRC) are seen in central Au+Au…

Nuclear Experiment · Physics 2009-10-29 The STAR Collaboration , B. I. Abelev

RHIC experiments have recently measured the azimuthal correlation function of forward di-hadrons. The data show a disappearance of the away-side peak in central d+Au collisions, compared to p+p collisions, as was predicted by saturation…

High Energy Physics - Phenomenology · Physics 2011-01-27 Javier L. Albacete , Cyrille Marquet