scholarly journals Electron-positron production in ultra-peripheral heavy-ion collisions with the STAR experiment

2003 ◽  
Author(s):  
Vladimir Borisovitch Morozov
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Electron Positron ◽  
Star Experiment ◽  
Positron Production

scholarly journals Quarkonium measurements in heavy-ion collisions with the STAR experiment

2018 ◽  
Vol 171 ◽  
pp. 18015
Author(s):  
Xinjie Huang
Keyword(s):  
Transverse Momentum ◽  
Nuclear Matter ◽  
Heavy Ion Collisions ◽  
Theoretical Calculations ◽  
Heavy Ion ◽  
Matter Effects ◽  
Nuclear Modification ◽  
Ion Collisions ◽  
Star Experiment ◽  
Nuclear Modification Factors

In these proceedings, we present the latest measurements of J/ψ and ϒ by the STAR experiment. The J/ψ and ϒ production measured in p+p collisions provide new baselines for similar measurements in Au+Au collisions, while the measurements in p+Au collisions can help quantify the cold nuclear matter effects. The J/ψ υ2 is measured in both U+U and Au+Au collisions to place constraints on the amount of J/ψ arising from recombination of deconfined charm and anti-charm pairs. Furthermore, the nuclear modification factors for ground and excited ϒ states as a function of transverse momentum and centrality are presented, and compared to those measured at the LHC as well as to theoretical calculations.

Nonperturbative character of electron-positron pair production in relativistic heavy-ion collisions

1991 ◽  
Vol 66 (20) ◽  
pp. 2613-2616 ◽  
Author(s):  
Klaus Rumrich ◽  
Klaus Momberger ◽  
Gerhard Soff ◽  
Walter Greiner ◽  
Norbert Grün ◽  
...  
Keyword(s):  
Pair Production ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Relativistic Heavy Ion Collisions ◽  
Ion Collisions ◽  
Electron Positron ◽  
Electron Positron Pair

Systematic studies of positron production in heavy-ion collisions near the Coulomb barrier

1992 ◽  
Vol 342 (1) ◽  
pp. 79-94 ◽  
Author(s):  
H. Tsertos ◽  
E. Berdermann ◽  
F. Bosch ◽  
M. Clemente ◽  
S. Huchler ◽  
...  
Keyword(s):  
Coulomb Barrier ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Positron Production
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