scholarly journals In-medium vector mesons and low mass lepton pairs from heavy ion collisions

2012 ◽  
Vol 374 ◽  
pp. 012010 ◽  
Author(s):  
Sourav Sarkar ◽  
Sabyasachi Ghosh
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Vector Mesons ◽  
Lepton Pairs ◽  
Ion Collisions ◽  
Low Mass

scholarly journals Di-electron production from vector mesons with medium modifications in heavy ion collisions

2012 ◽  
Vol 85 (2) ◽  
Author(s):  
Hao-jie Xu ◽  
Hong-fang Chen ◽  
Xin Dong ◽  
Qun Wang ◽  
Yi-fei Zhang
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Vector Mesons ◽  
Ion Collisions ◽  
Electron Production ◽  
Medium Modifications

Bremsstrahlung production of low mass dielectrons in relativistic heavy ion collisions

1996 ◽  
Vol 54 (3) ◽  
pp. 1366-1374 ◽  
Author(s):  
Dipali Pal ◽  
Kevin Haglin ◽  
Dinesh Kumar Srivastava
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Relativistic Heavy Ion Collisions ◽  
Ion Collisions ◽  
Low Mass

SEARCH FOR NEUTRAL BOSONS IN RELATIVISTIC HEAVY-ION COLLISIONS

2008 ◽  
Vol 17 (05) ◽  
pp. 759-770 ◽  
Author(s):  
P. L. JAIN
Keyword(s):  
Invariant Mass ◽  
Heavy Ion Collisions ◽  
Life Time ◽  
Heavy Ion ◽  
Relativistic Heavy Ion Collisions ◽  
Electron Pairs ◽  
Ion Collisions ◽  
Low Mass

In this talk, I will describe results on 1,220 electron pairs produced from a 207 Pb beam at 160A GeV in a nuclear experiment EMU 11 conducted at the CERN SPS. These electron pairs were produced at a distance of more than 50 μm from the primary interactions, which eliminates contamination due to Dalitz pairs. Results on electron pairs with invariant mass Q ranging between 1 and 100 MeV and life-time τ between 10−15 s and 10−12 s were analyzed. After subtracting background pairs from the materialization of photons and from the decays of π0 to photons from the data, they exhibit an enhancement at low mass Q = 6 – 20 MeV with narrow peaks at 7 ± 1 MeV , 19 ± 1 MeV and τ ≤ 10−13 s .

Influence of In-Medium Properties of Vector Mesons on Dilepton Production in Heavy Ion Collisions at SIS Energies

2006 ◽  
Vol 27 (4) ◽  
pp. 441-449
Author(s):  
M.D. Cozma ◽  
E. Santini ◽  
C. Fuchs ◽  
A. Faessler ◽  
B.V. Martemyanov ◽  
...  
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Vector Mesons ◽  
Dilepton Production ◽  
Ion Collisions
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