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Article overview
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High-pT Spectra of Charged Hadrons in Au+Au Collisions at sqrt s_(NN)=9.2 GeV in STAR | M.V.Tokarev for the STAR Collaboration
; | Date: |
30 Apr 2010 | Abstract: | The production of hadrons in heavy ions collisions at high $p_T$ provides an
important information on mechanism of particle formation and constituent energy
loss in medium. Such information is needed for search of a Critical Point and
signatures of phase transition. Measurements by the STAR Collaboration of
charged hadron production in Au+Au collisions at $sqrt {s_{NN}}$=9.2 GeV over
a wide transverse momentum $p_T=0.2-4.$ GeV/c and at mid-rapidity range are
reported. It allows for a first measurement of the spectra for charged hadrons
at high $p_T$ at this energy. The spectra demonstrate the dependence on
centrality which enhances with $p_T$. The constituent energy loss and its
dependence on transverse momentum of particle, and centrality of collisions are
estimated in the $z$-scaling approach. | Source: | arXiv, 1004.5582 | Services: | Forum | Review | PDF | Favorites |
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