Polarization of {Upsilon}(nS) at the Fermilab Tevatron
Journal Article
·
· Physical Review D
The polarization of inclusive {Upsilon}(nS) at the Fermilab Tevatron is calculated within the nonrelativistic QCD factorization framework. We use a recent determination of the NRQCD matrix elements from fitting the CDF data on bottomonium production from run IB of the Tevatron. The result for the polarization of {Upsilon}(1S) integrated over the transverse momentum bin 8<p{sub T}<20 GeV is consistent with a recent measurement by the CDF Collaboration. The transverse polarization of {Upsilon}(1S) is predicted to increase steadily for p{sub T} greater than about 10 GeV. The {Upsilon}(2S) and {Upsilon}(3S) are predicted to have significantly larger transverse polarizations than {Upsilon}(1S).
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40205078
- Journal Information:
- Physical Review D, Journal Name: Physical Review D Journal Issue: 7 Vol. 63; ISSN 0556-2821
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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