Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV

B. Abelev; J. Adam; D. Adamová; Ian Bearden; Ante Bilandzic; Hans Bøggild; Christian Holm Christensen; Hans Hjersing Dalsgaard; Jens Jørgen Gaardhøje; Kristjan Herlache Gulbrandsen; Alexander Colliander Hansen; Børge Svane Nielsen; Casper Nygaard; Carsten Søgaard; Valentina Zaccolo

doi:10.1016/j.physletb.2013.01.069

Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV

B. Abelev, J. Adam, D. Adamová, Ian Bearden, Ante Bilandzic, Hans Bøggild, Christian Holm Christensen, Hans Hjersing Dalsgaard, Jens Jørgen Gaardhøje, Kristjan Herlache Gulbrandsen, Alexander Colliander Hansen, Børge Svane Nielsen, Casper Nygaard, Carsten Søgaard, Valentina Zaccolo

Experimental Particle Physics

56 Citations (Scopus)

Abstract

The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (|y|<0.8) in the transverse momentum range 1<p_T<8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy s=7 TeV using an integrated luminosity of 2.2 nb⁻¹. Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark–antiquark pairs.

Original language	English
Journal	Physics Letters B
Volume	721
Issue number	1-3
Pages (from-to)	13-23
ISSN	0370-2693
DOIs	https://doi.org/10.1016/j.physletb.2013.01.069
Publication status	Published - 10 Apr 2013

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Abelev, B., Adam, J., Adamová, D., Bearden, I., Bilandzic, A., Bøggild, H., Christensen, C. H., Dalsgaard, H. H., Gaardhøje, J. J., Gulbrandsen, K. H., Hansen, A. C., Nielsen, B. S., Nygaard, C., Søgaard, C., & Zaccolo, V. (2013). Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV. Physics Letters B, 721(1-3), 13-23. https://doi.org/10.1016/j.physletb.2013.01.069

Abelev, B, Adam, J, Adamová, D, Bearden, I, Bilandzic, A, Bøggild, H , Christensen, CH, Dalsgaard, HH, Gaardhøje, JJ , Gulbrandsen, KH, Hansen, AC, Nielsen, BS, Nygaard, C, Søgaard, C & Zaccolo, V 2013, 'Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV', Physics Letters B, vol. 721, no. 1-3, pp. 13-23. https://doi.org/10.1016/j.physletb.2013.01.069

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title = "Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV",

abstract = "The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (|y|<0.8) in the transverse momentum range 1T<8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy s=7 TeV using an integrated luminosity of 2.2 nb−1. Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark–antiquark pairs.",

author = "B. Abelev and J. Adam and D. Adamov{\'a} and Ian Bearden and Ante Bilandzic and Hans B{\o}ggild and Christensen, {Christian Holm} and Dalsgaard, {Hans Hjersing} and Gaardh{\o}je, {Jens J{\o}rgen} and Gulbrandsen, {Kristjan Herlache} and Hansen, {Alexander Colliander} and Nielsen, {B{\o}rge Svane} and Casper Nygaard and Carsten S{\o}gaard and Valentina Zaccolo",

year = "2013",

month = apr,

day = "10",

doi = "10.1016/j.physletb.2013.01.069",

language = "English",

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T1 - Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV

AU - Abelev, B.

AU - Adam, J.

AU - Adamová, D.

AU - Bearden, Ian

AU - Bilandzic, Ante

AU - Bøggild, Hans

AU - Christensen, Christian Holm

AU - Dalsgaard, Hans Hjersing

AU - Gaardhøje, Jens Jørgen

AU - Gulbrandsen, Kristjan Herlache

AU - Hansen, Alexander Colliander

AU - Nielsen, Børge Svane

AU - Nygaard, Casper

AU - Søgaard, Carsten

AU - Zaccolo, Valentina

PY - 2013/4/10

Y1 - 2013/4/10

N2 - The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (|y|<0.8) in the transverse momentum range 1T<8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy s=7 TeV using an integrated luminosity of 2.2 nb−1. Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark–antiquark pairs.

AB - The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (|y|<0.8) in the transverse momentum range 1T<8 GeV/c with the ALICE experiment at the CERN LHC in pp collisions at a center of mass energy s=7 TeV using an integrated luminosity of 2.2 nb−1. Electrons from beauty hadron decays were selected based on the displacement of the decay vertex from the collision vertex. A perturbative QCD calculation agrees with the measurement within uncertainties. The data were extrapolated to the full phase space to determine the total cross section for the production of beauty quark–antiquark pairs.

U2 - 10.1016/j.physletb.2013.01.069

DO - 10.1016/j.physletb.2013.01.069

M3 - Journal article

SN - 0370-2693

VL - 721

SP - 13

EP - 23

JO - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

JF - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

IS - 1-3

ER -

Measurement of electrons from beauty hadron decays in pp collisions at √s=7TeV

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