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Related papers: Initial conditions from the shadowed Glauber model

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We show effects of granular structure of the initial conditions (IC) of hydrodynamic description of high-energy nucleus-nucleus collisions on some observables, especially on the elliptic-flow parameter v2. Such a structure enhances…

High Energy Physics - Phenomenology · Physics 2009-05-12 R. P. G. Andrade , F. Grassi , Y. Hama , T. Kodama , W. L. Qian

The relation between diffraction in lepton-proton collisions and shadowing of nuclear structure functions which arises from Gribov inelastic shadowing, is described. A model realizing such relation, which produces a parameter-free…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. L. Albacete , N. Armesto , A. Capella , A. B. Kaidalov , C. A. Salgado

We present predictions for nuclear modification factor in proton-lead collisions at LHC energy 5.5 TeV from Glauber-Gribov theory of nuclear shadowing. We have also made predictions for baseline cold-matter nuclear effects in lead-lead…

High Energy Physics - Phenomenology · Physics 2007-08-29 I. C. Arsene , L. Bravina , A. B. Kaidalov , K. Tywoniuk , E. Zabrodin

We investigate the different perturbative QCD-based models for nuclear shadowing of gluons. We show that in the kinematic region appropriate to RHIC experiment, all models give similar estimates for the magnitude of gluon shadowing. At…

High Energy Physics - Phenomenology · Physics 2016-09-06 Jamal Jalilian-Marian , Xin-Nian Wang

In high energy collisions involving small nuclei (p+p or x+Au collisions where x=p, d, or $^3$He) the fluctuating size, shape and internal gluonic structure of the nucleon is shown to have a strong effect on the initial size and shape of…

Nuclear Theory · Physics 2016-09-21 Kevin Welsh , Jordan Singer , Ulrich W. Heinz

In this talk we present our detail study ( theory and numbers) [1] on the shadowing corrections to the gluon structure functions for nuclei. Starting from rather contraversial information on the nucleon structure function which is…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. L. Ayala , M. B. Gay Ducati , E. M. Levin

We present an event-by-event hydrodynamical framework which takes into account the initial density fluctuations arising from a Monte Carlo Glauber model. The elliptic flow is calculated with the event plane method and a one-to-one…

High Energy Physics - Phenomenology · Physics 2015-05-28 Hannu Holopainen , Harri Niemi , Kari J. Eskola

We carry out a combined analysis of elliptic and triangular flow data using viscous relativistic hydrodynamics. We show that these data allow to put tight constraints on models of the early dynamics of a nucleus-nucleus collision.…

Nuclear Theory · Physics 2014-01-10 Ekaterina Retinskaya , Matthew Luzum , Jean-Yves Ollitrault

We study within the Monte Carlo Glauber model the influence of collective quantum effects in the Pb nucleus on the azimuthal anisotropy coefficients $\epsilon_{2,3}$ in Pb+Pb collisions at the LHC energies. To account for the quantum…

Nuclear Theory · Physics 2022-08-10 B. G. Zakharov

We investigate the present constraints from MINOS and T2K experiments for the neutrino decay scenario induced by non-diagonal couplings of Majorons to neutrinos. As novelty, on top of the typical invisible decay prescription, we add the…

High Energy Physics - Phenomenology · Physics 2017-12-06 Alberto M. Gago , Ricardo A. Gomes , Abner L. G. Gomes , Joel Jones-Perez , Orlando L. G. Peres

A large anti-correlation signal between elliptic flow $v_2$ and average transverse momentum $[p_{\mathrm{T}}]$ was recently measured in small collision systems, consistent with a final-state hydrodynamic response to the initial geometry.…

Nuclear Theory · Physics 2022-01-04 Chunjian Zhang , Arabinda Behera , Somadutta Bhatta , Jiangyong Jia

The effects of initial state fluctuations on elliptic flow are investigated within a (3+1)d Boltzmann + hydrodynamics transport approach. The spatial eccentricity ($\epsilon_{\rm RP}$ and $\epsilon_{\rm part}$) is calculated for initial…

Nuclear Theory · Physics 2010-05-28 Hannah Petersen , Marcus Bleicher

We study the relation between elliptic flow, $v_2$ and the initial eccentricity, $\varepsilon_2$, in heavy-ion collisions, using hydrodynamic simulations. Significant deviations from linear eccentricity scaling are seen in more peripheral…

Nuclear Theory · Physics 2016-01-27 Jacquelyn Noronha-Hostler , Li Yan , Fernando G. Gardim , Jean-Yves Ollitrault

This study investigates the influence of $\alpha$-cluster structures in relativistic light nuclear collisions. Using a cluster framework, I extract the characteristics of the nucleonic configurations of $^{16}$O and $^{20}$Ne as predicted…

Nuclear Theory · Physics 2026-02-25 Hadi Mehrabpour

In the first part of the talk we discuss the role of the two-body nucleon-nucleon correlations on signatures of the heavy-ion collisions which are a priori expected to be sensitive to these effects. We find that while the fluctuations of…

Nuclear Theory · Physics 2010-11-02 Wojciech Broniowski , Maciej Rybczynski , Lukasz Obara , Mikolaj Chojnacki

The accuracy of Monte Carlo Glauber model descriptions of minimum-bias multiplicity frequency distributions is evaluated using data from the Relativistic Heavy Ion Collider (RHIC) within the context of a sensitive, power-law representation…

Nuclear Experiment · Physics 2008-11-26 R. L. Ray , M. Daugherity

MiniBooNE anti-neutrino charged-current quasi-elastic (CCQE) data is compared to model predictions. The main background of neutrino-induced events is examined first, where three independent techniques are employed. Results indicate the…

High Energy Physics - Experiment · Physics 2019-08-13 Joseph Grange

We present a detailed analysis of the beam energy dependence of the mechanisms for the generation of directed and elliptic flows in Au+Au collisions focusing on the role of hadronic rescattering and spectator shadowing within a microscopic…

Nuclear Experiment · Physics 2018-06-26 Chao Zhang , Jiamin Chen , Xiaofeng Luo , Feng Liu , Yasushi Nara

The cumulant method is applied to study elliptic flow ($v_2$) in Au+Au collisions at $\sqrt{s}=200$AGeV, with the UrQMD model. In this approach, the true event plane is known and both the non-flow effects and event-by-event spatial…

Nuclear Theory · Physics 2009-11-11 Xianglei Zhu , Marcus Bleicher , Horst Stoecker

Shadowing is a quantum phenomenon leading to a non-additivity of electroweak cross sections on nucleons bound in a nucleus. It occurs due to destructive interference of amplitudes on different nucleons. Although the current experimental…

High Energy Physics - Phenomenology · Physics 2012-11-26 B. Z. Kopeliovich , J. G. Morfin , Ivan Schmidt
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