Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-11-05
Physics
High Energy Physics
High Energy Physics - Phenomenology
1+6 pages, Latex2e, 4 eps figures, Talk given at SPIN 2002, Brookhaven National Laboratory, September 9-13, 2002, To appear in
Scientific paper
10.1063/1.1607154
To extract information about polarized gluons in the proton, production of charmed hadrons, in particular, \Lambda_c^+ baryon in pp collisions was studied. We calculated the transverse momentum distribution and the pseudo-rapidity distribution of the spin correlation asymmetry A_{LL} between the initial proton and the produced \Lambda_c^+. Those statistical sensitivities were also calculated under the condition of RHIC experiment. We found that the pseudo-rapidity distribution of A_{LL} is promising for testing the model of polarized gluons in the proton and also the spin-dependent fragmentation model of a charm quark decaying into \Lambda_c^+ baryon.
Morii Toshiyuki
Ohkuma Kazumasa
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