Publikation: Zeitschriftenartikel

Measurement of the Z+b-jet cross-section in pp collisions at s = 7 TeV in the forward region

Grunddaten
Abstract
Autoren
Einrichtung

Grunddaten

Titel	Measurement of the Z+b-jet cross-section in pp collisions at s = 7 TeV in the forward region
Veröffentlicht in	Journal of high energy physics : JHEP ; a refereed journal written, run, and distributed by electronic means. - Berlin : Springer
Erscheinungsjahr	2015
Seiten (von – bis)	1 – 15
Heft-Nr.	1
Jahr	2015
Publikationsform	Elektronische Ressource
Publikationsart	Zeitschriftenartikel
Sprache	Englisch
DOI	10.1007/JHEP01(2015)064
Letzte Änderung	07.10.2020 06:04:44
Bearbeitungsstatus	durch UB Rostock abschließend validiert
Dauerhafte URL	http://purl.uni-rostock.de/fodb/pub/47181
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Abstract

The associated production of a Z boson or an off-shell photon *with a bottom quark in the forward region is studied using proton-proton collisions at a centre-of-mass energy of 7 TeV. The Z bosons are reconstructed in the Z/* +final state from muons with a transverse momentum larger than 20 GeV, while two transverse momentum thresholds are considered for jets (10 GeV and 20 GeV). Both muons and jets are reconstructed in the pseudorapidity range 2.0 < < 4.5. The results are based on data corresponding to 1.0 fb1 recorded in 2011 with the LHCb detector. The measurement of the Z+b-jet cross-section is normalized to the Z+jet cross-section. The measured cross-sections are0.1Z/*++bjet=295±60stat±51syst±10lumifb$$ \sigma \left(\ \mathrm{Z}/{\gamma}^{*}\left({\mu}^{+}{\mu}^{-}\right) + \mathrm{b}\hbox{-} \mathrm{jet}\right)=295\pm 60\ \left(\mathrm{stat}\right)\pm 51\ \left(\mathrm{syst}\right)\pm 10\ \left(\mathrm{lumi}\right)\ \mathrm{f}\mathrm{b} $$for pT(jet) > 10 GeV, and0.2Z/*++bjet=128±36stat±22syst±5lumifb$$ \sigma \left(\mathrm{Z}/{\gamma}^{*}\left({\mu}^{+}{\mu}^{-}\right)+\mathrm{b}\hbox{-} \mathrm{jet}\right)=128\pm 36\ \left(\mathrm{stat}\right)\pm 22\ \left(\mathrm{syst}\right)\pm 5\ \left(\mathrm{lumi}\right)\ \mathrm{f}\mathrm{b} $$for pT(jet) > 20 GeV.

Autoren

Aaij, Roel
Adeva, B.
Aquines Gutiérrez, Osvaldo
Bachmann, Sebastian
Bien, Alexander
Blouw, Johan
Britsch, Markward
Comerma-Montells, Albert
De Cian, Michel
Dordei, Francesca
Esen, Sevda
Färber, Christian
Fontana, Marianna
Gersabeck, Evelina
Grillo, Lucia
Han, Xiaoxue
Hansmann-Menzemer, Stephanie
Jäger, Andreas
Kolpin, Michael
Kreplin, Katharina
Krocker, Georg Alexander
Leverington, Blake
Marks, Jörg
Meißner, Marco
Neuner, Max
Nikodem, Thomas
Popov, Dmitry
Schmelling, Michael
Seyfert, Paul
Stahl, Marian
Stahl, Sascha
Uwer, Ulrich
Vesterinen, Mika
Waldi, Roland
Wandernoth, Sebastian
Wiedner, Dirk
Zhelezov, Alexey
Zhong, L.

Einrichtung

MNF/Institut für Physik (IfPH)