Inclusive dielectron production in proton-proton collisions at 2.2 GeV beam energy

0384713 - ÚJF 2013 RIV US eng J - Článek v odborném periodiku
Agakishiev, G. - Balanda, A. - Bokemeyer, H. - Finocchiaro, P. - Guber, F. - Gumberidze, M. - Karavicheva, T. - Křížek, Filip - Kugler, Andrej - Markert, J. - Pachmayer, Y.C. - Pechenova, O. - Pospíšil, Vladimír - Rustamov, A. - Sobolev, Yuri, G. - Strobele, H. - Tarantola, A. - Teilab, K. - Tlustý, Pavel - Wagner, Vladimír … celkem 95 autorů
Inclusive dielectron production in proton-proton collisions at 2.2 GeV beam energy.
Physical Review. C. Roč. 85, č. 5 (2012), s. 054005. ISSN 0556-2813
Grant CEP: GA MŠMT LC07050; GA AV ČR IAA100480803
Institucionální podpora: RVO:61389005
Klíčová slova: vector mesons * dense nuclear matter * dilepton production
Kód oboru RIV: BG - Jaderná, atomová a mol. fyzika, urychlovače
Impakt faktor: 3.715, rok: 2012

Data on inclusive dielectron production are presented for the reaction p + p at 2.2 GeV measured with the high acceptance dielectron spectrometer (HADES). Our results supplemented data obtained earlier in this bombarding energy regime with the dilepton spectrometer (DLS) and HADES. The comparison with the 2.09 GeV DLS data is discussed. The reconstructed e(+)e(-) pair distributions are confronted with simulations, revealing an excess yield at invariant masses around 0.5 GeV/c(2). Inclusive cross sections of neutral pion and eta production are obtained.
Trvalý link: http://hdl.handle.net/11104/0216997