Polarization effects in hadronic reactions in a GeV region

Abstract

The major goal of the upgraded Nuclotron facility is to obtain the information on the equation-ofstate for dense nuclear matter playing a key role in the understanding of the collapse supernovae and neutron stars stability. These studies can be performed either in heavy ion collisions or via the short-range few nucleon correlations in deuteron induced reactions. The obtained experimental results and future program with the use of polarized deuteron beam and the internal target station are discussed. The polarization studies for the NN, NA and dA reactions with the extracted deuteron beam at the BM@N setup are proposed. The further extension of the polarization program at BM@N is related with the study of the in-medium modification of the polarization for the strange and multi-strange baryons and the spin alignment for vector mesons decaying in hadronic modes.

Investigation of avalanche photodiodes radiation hardness for baryonic matter studies

“…The study of the dense baryonic matter at Nuclotron (BM@N project) [1] is proposed as a first stage in the heavy-ion program at NICA [2]. The research program of BM@N project includes the studies of the production of strange matter in heavy ion collisions at beam energies between 2 and 6 A•GeV [3], in-medium effects for strange particles decaying in hadronic modes [4], hard probes and correlations [5], spin and polarization effects [6,7,8]. These studies will be 1 arXiv:1505.01297v1 [physics.ins-det] 6 May 2015 complementary to the Compressed Baryonic Matter (CBM) project research program [9,10] for fixed target heavy ion collisions at FAIR in future.…”

Setup for the Nuclotron beam time structure measurements

“…The experimental program at Nuclotron for heavy ion collisions [1,2], few body [3] and polarization [4,5] physics requires good quality of the internal and extracted beams. The time structure of the beam plays a crucial role in the experiments requiring high interaction rate.…”