EPJ Web Conf.
Volume 138, 2017XXIII International Baldin Seminar on High Energy Physics Problems Relativistic Nuclear Physics and Quantum Chromodynamics (Baldin ISHEPP XXIII)
|Number of page(s)||6|
|Section||Relativistic heavy ion collisions|
|Published online||27 March 2017|
Recent results on light nuclei production from the NA49 experiment
Joint Institute for Nuclear Research, Dubna, Russia
* e-mail: Vadim.Kolesnikov@cern.ch
Published online: 27 March 2017
Production of d and 3He nuclei in central Pb+Pb interactions was studied at five collision energies (√sNN = 6.3, 7.6, 8.8, 12.3, and 17.3 GeV) with the NA49 detector at the CERN SPS. Transverse momentum spectra and rapidity distributions were measured. Yields are compared to predictions of statistical models. Phase-space distributions of light nuclei are discussed and compared to those of protons in the context of a coalescence approach. The coalescence parameters B2 and B3 for d and 3He were determined at all energies.
© The Authors, published by EDP Sciences, 2017
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