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On the Sigma^0 --> Lambda^0 + gamma decay in the Effective quark model with chiral U(3)xU(3) symmetry
A. N. Ivanov, A. Ya. Berdnikov, Ya. A. Berdnikov +5
We analyse the angular distributions of the Sigma^0 --> Lambda^0 + gamma decay rate in the laboratory and in the rest frame of the Sigma^0 - hyperon in the dependence on baryon pol…
Initial-state nuclear effects in proton-nucleus collisions
Ya. A. Berdnikov, V. T. Kim, V. F. Kosmach +3
Two important initial-state nuclear effects in hadron-nucleus collisions are considered. The ratios of inclusive differential cross sections for Drell-Yan dimuon production are cal…
J/Psi and Drell-Yan pair production on nuclear targets
Ya. A. Berdnikov, M. M. Ryzhinskiy, Yu. M. Shabelski
We estimate the energy losses in the cases of J/Psi and l^+l^- pair production on nuclear targets in terms of effective change of the initial beam energy. Our phenomenological resu…
On strangeness production in the reactions pp -> p Lambda^0 K^+ and pn -> n Lambda^0 K^+ near threshold
A. N. Ivanov, Ya. A. Berdnikov, M. Faber +3
The cross sections for the reactions pp -> p Lambda^0K^+ and pn -> n Lambda^0K^+ are calculated near threshold of the final states. The theoretical ratio of the cross sections R =…
Single Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s) = 200 GeV
PHENIX Collaboration, S. S. ~Adler, S. ~Afanasiev +327
The invariant differential cross section for inclusive electron production in collisions at ~GeV has been measured by the PHENIX experiment at the Relativis…