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Upsilon production and polarization in p p macro collisions at square root of s = 1.8 TeV.

Abstract:
We report on measurements of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) differential cross sections (d(2)sigma/dp(T)dy)(/y/<0.4), as well as on the Upsilon(1S) polarization in p p macro collisions at square root of s = 1.8 TeV using a sample of 77+/-3 pb(-1) collected by the collider detector at Fermilab. The three resonances were reconstructed through the decay Upsilon-->mu(+)mu(-). The measured angular distribution of the muons in the Upsilon(1S) rest frame is consistent with unpolarized meson production.

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Journal:
Physical Review Letters More from this journal
Volume:
88
Issue:
16
Pages:
161802
Publication date:
2002-04-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:139
UUID:
uuid:a94482cb-af19-4c5b-aa71-aeb47e393afc
Local pid:
pubs:139
Source identifiers:
139
Deposit date:
2012-12-19

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