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Measurement of associated production of vector bosons and top quark-antiquark pairs in pp collisions at sqrt[s]=7  TeV.

Abstract:

The first measurement of vector-boson production associated with a top quark-antiquark pair in proton-proton collisions at sqrt[s] = 7  TeV is presented. The results are based on a data set corresponding to an integrated luminosity of 5.0  fb(-1), recorded by the CMS detector at the LHC in 2011. The measurement is performed in two independent channels through a trilepton analysis of ttZ events and a same-sign dilepton analysis of ttV (V = W or Z) events. In the trilepton channel a direct meas...

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Publication status:
Published

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Authors


Chatrchyan, S More by this author
Khachatryan, V More by this author
Sirunyan, AM More by this author
Tumasyan, A More by this author
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Journal:
Physical review letters
Volume:
110
Issue:
17
Pages:
172002
Publication date:
2013-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:2aa8aa47-c4a1-497b-95c6-ae7fd6ba22ce
Source identifiers:
402639
Local pid:
pubs:402639
Language:
English
Keywords:

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