SnowMass2021

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====== EF07: QCD and strong interactions: Heavy Ions ======
  *   co-Conveners: Yen-Jie Lee, Swagato Mukherjee
  *   Email list: <SNOWMASS-EF-07-HEAVY-IONS@FNAL.GOV>
    * For instructions how to join an Email list refer to [[https://snowmass21.org/energy/start#communications| Energy Frontier/Communications]]
  * EF07 Meetings: [[https://indico.fnal.gov/category/1141/|Indico]]
  * Energy Frontier Calendar: [[https://calendar.google.com/calendar/embed?src=brown.edu_njuueqjsrlu8qgdulatqrrmtj4%40group.calendar.google.com&ctz=America%2FChicago|Google Calendar]]
~~NOCACHE~~
===== Description=====
EF07 studies the prospects for heavy-ion physics at future high energy heavy-ion colliders (such as RHIC, LHC, HL-LHC, and FCC) and the physics at future high energy electron-ion colliders (such as EIC, LHeC), with particular emphasis on the impact that those studies will have on the physics program of the Energy Frontier. 

===== Focus Questions ====
   * What can we learn from the jet and jet substructure measurements about the nature of the Quark-gluon plasma? How do we apply those techniques to the studies of jets and the  possible jet energy loss in EIC?
   * What is the best use of heavy-ion beams for the search of new physics?
   * What is the origin of the flow-like correlation from high multiplicity proton-proton and proton-ion collisions? Can we see it in ee and eA collisions?
   * What are the heavy flavor hadrons and quarkonia production mechanisms in ee, eA, pp, pA and AA collisions? What is the relevance of co-moving matter effects and recombination for the classical observables such as charm and beauty jet? 
   * What can we learn about the exotic hadron structure with pp, pA and AA collisions?
   * How do we use heavy-ion beam to improve the understanding of inclusive hadron and charm production? 
   * What is the connection to the new physics search at forward region and the studies of cosmic rays?
   * What is the emerging physics opportunity on proton tomography and gluon saturation with EIC? What are the relevant HEP applications?

===== Topic Coordinators ====
   * EIC:
      * Heavy Flavor @ EIC: Xin Dong (LBL, STAR/sPHENIX), Stephen Sekula (SMU), Ivan Vitev(LANL)
      * Proton tomograph @ EIC for HEP applications: Timothy Hobbs (SMU), Salvatore Fazio (BNL), Alexey Prokudin (PSU), Alessandro Vicini (Milan)
      * Gluon saturation @ EIC: Cyrille Marquet … [TBC]	
      * EW&BSM @ EIC: Yulia Furletova (JLAB), Ciprian Gal (SBU), Claire Gwenlan (Oxford)   
      * Jets @ EIC: Miguel Arratia (UCR), Zhong-Bo Kang (UCLA), Stefan Prestel (Lund)
   * HIC:
      * Search for New Physics with Heavy Ion Beam: Marco Drewes (Theory) and Andrea Giammanco (CMS).
      * Quarkonia and exotic hadron production in relativistic heavy-ion collisions: Matthew Durham (LHCb) and Xiaojun Yao (Theory)
      * Ultra Peripheral Heavy Ion Collisions: Zhangbu Xu (STAR), Jian Zhou (Theory), Mariusz Przybycien (ATLAS/ZEUS) 
      * High-Density QCD in Small Collision Systems: Jaki Noronhahostler (Theory), Wei Li (CMS/STAR), Dennis Perepelitsa (ATLAS/sPHENIX)
      * Heavy Flavor Production in Heavy Ion Collisions: Gian Michelle Innocenti (ALICE), Jing Wang (CMS), Jin Huang (sPHENIX)
      * Jet and Jet Substructure in Heavy Ion Collisions: James Mulligan (ALICE), Leticia Cunqueiro Mendez (ALICE), Yi Chen (CMS), Anne Sickles (ATLAS) 
      * EW Physics in Heavy Ion Collisions and the Impact to nuclear PDF: Hannu Paukkunen (Theory), Georgios Krintiras (CMS) and Emilien Champon (CMS)
===== Submitted LOI =====
Letters of Intent submitted to Energy Frontier (as primary frontier) [[https://www.snowmass21.org/docs/files/?dir=summaries/EF| shown in this link]]. Here is the list of submitted LOIs that include EF as primary or secondary topic. 
 First index before "/"  corresponds to the primary frontier used for the submission.
 {{url>https://www.snowmass21.org/docs/files/list.php?frontier=EF7  border 100%,1200px}}