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Probing heavy quarkonium production mechnism: χ{sub c} polarization

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.4938646· OSTI ID:22499050
 [1]
  1. PH Department, TH Unit, CERN, CH-1211 Geneva 23 (Switzerland)

The necesscity of the color-octet mechanism in describing heavy quarkonium production is a longstanding puzzle. Compared to the yields of heavy quarkonium, its polarizations should be a sensitive observable to pin down the color-octet contributions. In this talk, I will focus on the χ{sub c} polarization in hadroproduction processes, which may provide a unique test for the color-octet mechanism in nonrelativistic QCD.

OSTI ID:
22499050
Journal Information:
AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1701; ISSN APCPCS; ISSN 0094-243X
Country of Publication:
United States
Language:
English

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