First Observation of Forward Z → b[¯ over b] Production in Pp Collisions at √s = 8 TeV
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Author(s) • • •
Boettcher, Thomas Julian
Craik, Daniel C
Ilten, Philip J
Williams, Michael
Date Issued
January 2018
Journal
Physics Letters B
Publisher
Elsevier
Citation
Aaij, R., et al. “First Observation of Forward Z → b[¯ over b] Production in Pp Collisions at √s = 8 TeV.” Physics Letters B, vol. 776, Jan. 2018, pp. 430–39. © 2017 The Authors
Version
Final published version
Abstract
The decay Z→b[¯ over b] is reconstructed in pp collision data, corresponding to 2 fb[superscript −1] of integrated luminosity, collected by the LHCb experiment at a centre-of-mass energy of √s = 8 TeV. The product of the Z production cross-section and the Z→b[¯ over b] branching fraction is measured for candidates in the fiducial region defined by two particle-level b-quark jets with pseudorapidities in the range 2.2<η<4.2, with transverse momenta p[subscript T]>20 GeV and dijet invariant mass in the range 45
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Creative Commons Attribution 4.0 International License
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DOI of Published Version
https://doi.org/10.1016/j.physletb.2017.11.066