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Measurement of the differential γ+2 b-jet cross section and the ratio σ(γ+2 b-jets)/σ(γ+b-jet) in pp¯ collisions at s√=1.96 TeV

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Measurement of the differential γ+2 b-jet cross section and the ratio σ(γ+2 b-jets)/σ(γ+b-jet) in pp¯ collisions at s√=1.96 TeV. / D0 Collaboration.

In: Physics Letters B, Vol. 737, 07.10.2014, p. 357-365.

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@article{11b1c5162e7749b08f01529609ce98ed,
title = "Measurement of the differential γ+2 b-jet cross section and the ratio σ(γ+2 b-jets)/σ(γ+b-jet) in pp¯ collisions at s√=1.96 TeV",
abstract = "We present the first measurements of the differential cross section dσ/dpγT for the production of an isolated photon in association with at least two b-quark jets. The measurements consider photons with rapidities |yγ|<1.0 and transverse momenta 3015 GeV and |yjet|<1.5. The ratio of differential production cross sections for γ+2 b-jets to γ+b-jet as a function of pγT is also presented. The results are based on the proton-antiproton collision data at s√=1.96~\TeV collected with the D0 detector at the Fermilab Tevatron Collider. The measured cross sections and their ratios are compared to the next-to-leading order perturbative QCD calculations as well as predictions based on the kT-factorization approach and those from the SHERPA and PYTHIA Monte Carlo event generators.",
author = "Iain Bertram and Guennadi Borissov and Harald Fox and Mark Williams and Peter Ratoff and Anthony Ross and Darren Price and {D0 Collaboration}",
note = "Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Under a Creative Commons license",
year = "2014",
month = oct
day = "7",
doi = "10.1016/j.physletb.2014.09.007",
language = "English",
volume = "737",
pages = "357--365",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Measurement of the differential γ+2 b-jet cross section and the ratio σ(γ+2 b-jets)/σ(γ+b-jet) in pp¯ collisions at s√=1.96 TeV

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Williams, Mark

AU - Ratoff, Peter

AU - Ross, Anthony

AU - Price, Darren

AU - D0 Collaboration

N1 - Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Under a Creative Commons license

PY - 2014/10/7

Y1 - 2014/10/7

N2 - We present the first measurements of the differential cross section dσ/dpγT for the production of an isolated photon in association with at least two b-quark jets. The measurements consider photons with rapidities |yγ|<1.0 and transverse momenta 3015 GeV and |yjet|<1.5. The ratio of differential production cross sections for γ+2 b-jets to γ+b-jet as a function of pγT is also presented. The results are based on the proton-antiproton collision data at s√=1.96~\TeV collected with the D0 detector at the Fermilab Tevatron Collider. The measured cross sections and their ratios are compared to the next-to-leading order perturbative QCD calculations as well as predictions based on the kT-factorization approach and those from the SHERPA and PYTHIA Monte Carlo event generators.

AB - We present the first measurements of the differential cross section dσ/dpγT for the production of an isolated photon in association with at least two b-quark jets. The measurements consider photons with rapidities |yγ|<1.0 and transverse momenta 3015 GeV and |yjet|<1.5. The ratio of differential production cross sections for γ+2 b-jets to γ+b-jet as a function of pγT is also presented. The results are based on the proton-antiproton collision data at s√=1.96~\TeV collected with the D0 detector at the Fermilab Tevatron Collider. The measured cross sections and their ratios are compared to the next-to-leading order perturbative QCD calculations as well as predictions based on the kT-factorization approach and those from the SHERPA and PYTHIA Monte Carlo event generators.

U2 - 10.1016/j.physletb.2014.09.007

DO - 10.1016/j.physletb.2014.09.007

M3 - Journal article

VL - 737

SP - 357

EP - 365

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -