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Title: Small-x structure of oxygen and neon isotopes as seen by the Large Hadron Collider

Journal Article · · EPJ Web of Conferences (Online)
 [1];  [2];  [3];  [4]
  1. Univ. of Jyvaskyla (Finland)
  2. Heidelberg Univ. (Germany)
  3. Brookhaven National Laboratory (BNL), Upton, NY (United States)
  4. University of Bielefeld (Germany)
+ Show Author Affiliations

Results on collisions of O-16 nuclei performed at the Relativistic Heavy Ion Collider (RHIC) have been presented for the first time at Quark Matter 2023 by the STAR collaboration. O-16+O-16 collisions are also expected to take place in the near future at the Large Hadron Collider (LHC) at much higher beam energies. We explore the potential of beam-energy-dependent studies for this system to probe small-x dynamics and QCD evolution. We perform 3+1D IP-Glasma simulations to predict the rapidity dependence of the initial geometry of light-ion collisions, focusing on O-16+O-16 and Ne-20+Ne-20 collisions at root s(NN) = 70 GeV and 7 TeV. The choice of Ne-20 is motivated by its strongly elongated geometry, which may respond differently to the effect of the high-energy evolution compared to the more spherical O-16. We find that smearing induced by soft gluon production at high energy causes mild variations in the initial-state eccentricities as a function of the collision energy. These effects could be resolved in future experiments and deserve further investigation.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0012704
OSTI ID:
2448272
Report Number(s):
BNL--226147-2024-JAAM
Journal Information:
EPJ Web of Conferences (Online), Journal Name: EPJ Web of Conferences (Online) Vol. 296; ISSN 2100-014X
Publisher:
EDP SciencesCopyright Statement
Country of Publication:
United States
Language:
English

References (9)

Broken boost invariance in the Glasma via finite nuclei thickness journal August 2017
Hybrid Color Glass Condensate and hydrodynamic description of the Relativistic Heavy Ion Collider small system scan journal April 2020
Centrality determination in heavy-ion collisions with the LHCb detector journal May 2022
3D glasma initial state for relativistic heavy ion collisions journal October 2016
3-D structure of the Glasma initial state: Breaking boost-invariance by collisions of extended shock waves in classical Yang-Mills theory journal January 2021
Spacetime structure of ( 3 + 1 ) D color fields in high energy nuclear collisions journal December 2021
High energy factorization in nucleus-nucleus collisions. I journal September 2008
Evidence of Hexadecapole Deformation in Uranium-238 at the Relativistic Heavy Ion Collider journal May 2023
Multi-reference many-body perturbation theory for nuclei: II. Ab initio study of neon isotopes via PGCM and IM-NCSM calculations journal April 2022

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS