UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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Conference: Bucharest University Faculty of Physics 2015 Meeting


Section: Nuclear and Elementary Particles Physics II


Title:
The asymmetry factor dependence of the event jet-structure in relativistic nuclear collisions


Authors:
Danut ARGINTARU (1), Calin BESLIU (2), Alexandru JIPA (2), Valerica BABAN (1), Eliodor CONSTANTINESCU (1), Tiberiu ESANU (2)


Affiliation:
1) Constanta Maritime University, Romania;

2) Bucharest University,Faculty of Physics, Romania


E-mail
danut.argintaru@gmail.com


Keywords:
nuclear matter jets, multifragmentation, nuclear matter flow


Abstract:
In some previous works [1,2] we found nuclear matter jets in He+At nuclear collisions at 4.5 A GeV/c. We found jet structures as: single jet events, two-jet events,... and nonjet events. We associate these structures with the centrality of the collisions, i.e. with the energy pumped into the target and with the multifragmentation process . In this work we want to observe the evolution of the jet structure of the events and of the characteristics of these jets when the asymmetry factor Ap/At increases to 1, and the multifragmentation mechanism transforms into nuclear matter flow.


References:

[1] Jets of nuclear matter in He-A T inelastic collisions at 4.5 A GeV/c,

C.Bešliu, A.Jipa, D.Argintaru, C.Argintaru, R.Zaharia, J.G.Rican, M.Iosif,

The European Physical Journal A-Hadrons and Nuclei 1 (1), 65-75, 1998;

[2] Some evidences of multiple particle sources from nuclear matter jets in He+At collisions at relativistic energies,D.Argintaru, C.Besliu, A.Jipa, M.Calin, T.Esanu, Indian Journal of Physics 85 (7), 1169-1173,2011.



Acknowledgement:
The simulations were made at YaPT computer system of the research center "Nuclear Matter under Extreme Conditions", Faculty of Physics, Bucharest University.