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Measurement of Z boson production in Pb-Pb collisions at sqrt[s(NN)]=2.76  TeV with the ATLAS detector.

Abstract:

The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0.15  nb(-1) of integrated luminosity obtained in the 2011 LHC Pb+Pb run at sqrt[s(NN)]=2.76  TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collision...

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Publication status:
Published

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Journal:
Physical Review Letters
Volume:
110
Issue:
2
Pages:
022301
Publication date:
2013-01-08
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
377699
Language:
English
Keywords:
Pubs id:
pubs:377699
UUID:
uuid:cd676f06-6717-410d-9665-714e0115184d
Local pid:
pubs:377699
Deposit date:
2013-11-16

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