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Measurement of BB̄ angular correlations based on secondary vertex reconstruction at √s = 7 TeV

Abstract:

A measurement of the angular correlations between beauty and anti-beauty hadrons (BB̄) produced in pp collisions at a centre-of-mass energy of 7 TeV at the CERN LHC is presented, probing for the first time the region of small angular separation. The B hadrons are identified by the presence of displaced secondary vertices from their decays. The B hadron angular separation is reconstructed from the decay vertices and the primaryinteraction vertex. The differential BB̄ production cross section, ...

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Publisher copy:
10.1007/JHEP03(2011)136

Authors


Khachatryan, V More by this author
Sirunyan, AM More by this author
Tumasyan, A More by this author
Bergauer, T More by this author
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Journal:
Journal of High Energy Physics
Volume:
2011
Issue:
3
Publication date:
2011
DOI:
EISSN:
1029-8479
ISSN:
1126-6708
URN:
uuid:7fd7d4b4-bad7-4068-9af4-275d6150d2b9
Source identifiers:
192892
Local pid:
pubs:192892
Language:
English
Keywords:

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