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The investigation of P-wave quarkonia productions, polarizat

Time: 2:40pm, May 23, 2013, Thursday

Location: Room 9409

Speaker: Dr. ZHANG Hongfei

Title: The investigation of P-wave quarkonia productions, polarizations and decays in the framework of NRQCD

Abstract:NRQCD provide a rigorous procedure of perturbative calculation of heavy-quarkonium related processes in the expansion of both alpha_s and v (relative velocity of quarks in quarkonium). P-wave states are not only interesting in phenomenology but also contribute essential parts to S-wave states productions and polarizations. This talk gives a brief introduction to some recent theoretical progress in P-wave quarkonia related processes and shows how they effect the conclusion of J/psi polarization at hadron colliders.
It also shows how NRQCD scale is introduced and the dependence of the results on this scale. .
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