Anisotropy of thermal dileptons
V. V. Goloviznin+, A. M. Snigirev*#, G. M. Zinovjev+
+Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, 03143 Kiev, Ukraine
*Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, Russia
#Bogoliubov Laboratory of Theoretical Physics, JINR, 141980 Dubna, Russia
Abstract
The meaningful specific anisotropy in the angle distribution of
leptons with respect to the
three-momentum of pair is predicted as a feasibility signature of
synchrotron-like mechanism
resulting from the quarks interacting with a collective confining color
field in the heavy ion
collisions. The lepton pair production rate and the spectrum of pair
invariant mass are presented for
this new dilepton source that is apparently not taken into consideration
in the available phenomenological estimates.