Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

This paper reports a measurement of the W+b-jets (W+b+X and W+bb+X) production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. These results are based on data corresponding to an integrated luminosity of 4:6 fb-1, collected with the ATLAS detector. Cross-sec...

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Guardado en:
Detalles Bibliográficos
Autores principales: Alonso, Francisco, Anduaga, Xabier Sebastián, Dova, María Teresa, Monticelli, Fernando Gabriel, Tripiana, Martín F.
Formato: Articulo
Lenguaje:Inglés
Publicado: 2013
Materias:
Ciencias Exactas
Física
hadron-hadron scattering
w boson
b-jets
proton-proton collisions
ATLAS detector
large hadron collider
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/78765
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-78765
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
hadron-hadron scattering
w boson
b-jets
proton-proton collisions
ATLAS detector
large hadron collider
spellingShingle Ciencias Exactas
Física
hadron-hadron scattering
w boson
b-jets
proton-proton collisions
ATLAS detector
large hadron collider
Alonso, Francisco
Anduaga, Xabier Sebastián
Dova, María Teresa
Monticelli, Fernando Gabriel
Tripiana, Martín F.
Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
topic_facet Ciencias Exactas
Física
hadron-hadron scattering
w boson
b-jets
proton-proton collisions
ATLAS detector
large hadron collider
description This paper reports a measurement of the W+b-jets (W+b+X and W+bb+X) production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. These results are based on data corresponding to an integrated luminosity of 4:6 fb-1, collected with the ATLAS detector. Cross-sections are presented as a function of jet multiplicity and of the transverse momentum of the leading b-jet for both the muon and electron decay modes of the W boson. The W+b-jets cross-section, corrected for all known detector effects, is quoted in a limited kinematic range. Combining the muon and electron channels, the ducial cross-section for W+b-jets is measured to be 7.1 ± 0.5 (stat) ± 1.4 (syst) pb, consistent with the next-to-leading order QCD prediction, corrected for non-perturbative and double-parton interactions (DPI) contributions, of 4.70 ± 0.09 (stat) +0:60 -0:49 (scale) ± 0:06 (PDF) ± 0.16 (non-pert) +0.52 -0.38 (DPI) pb.
format Articulo
Articulo
author Alonso, Francisco
Anduaga, Xabier Sebastián
Dova, María Teresa
Monticelli, Fernando Gabriel
Tripiana, Martín F.
author_facet Alonso, Francisco
Anduaga, Xabier Sebastián
Dova, María Teresa
Monticelli, Fernando Gabriel
Tripiana, Martín F.
author_sort Alonso, Francisco
title Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
title_short Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
title_full Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
title_fullStr Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
title_full_unstemmed Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector
title_sort measurement of the cross-section for w boson production in association with b-jets in pp collisions at √s = 7 tev with the atlas detector
publishDate 2013
url http://sedici.unlp.edu.ar/handle/10915/78765
work_keys_str_mv AT alonsofrancisco measurementofthecrosssectionforwbosonproductioninassociationwithbjetsinppcollisionsats7tevwiththeatlasdetector
AT anduagaxabiersebastian measurementofthecrosssectionforwbosonproductioninassociationwithbjetsinppcollisionsats7tevwiththeatlasdetector
AT dovamariateresa measurementofthecrosssectionforwbosonproductioninassociationwithbjetsinppcollisionsats7tevwiththeatlasdetector
AT monticellifernandogabriel measurementofthecrosssectionforwbosonproductioninassociationwithbjetsinppcollisionsats7tevwiththeatlasdetector
AT tripianamartinf measurementofthecrosssectionforwbosonproductioninassociationwithbjetsinppcollisionsats7tevwiththeatlasdetector
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