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Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS

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Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS. / The ATLAS collaboration.
In: Physics Letters B, Vol. 705, No. 1-2, 03.11.2011, p. 9-27.

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The ATLAS collaboration. Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS. Physics Letters B. 2011 Nov 3;705(1-2):9-27. doi: 10.1016/j.physletb.2011.09.092

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The ATLAS collaboration. / Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS. In: Physics Letters B. 2011 ; Vol. 705, No. 1-2. pp. 9-27.

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@article{974c3f05114c4e8aa1a124653554a694,
title = "Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS",
abstract = "A measurement of the cross-section for ϒ(1S)→μ+μ−ϒ(1S)→μ+μ− production in proton–proton collisions at centre of mass energy of 7 TeV is presented. The cross-section is measured as a function of the ϒ(1S)ϒ(1S) transverse momentum in two bins of rapidity, |yϒ(1S)|<1.2|yϒ(1S)|<1.2 and 1.2<|yϒ(1S)|<2.41.2<|yϒ(1S)|<2.4. The measurement requires that both muons have transverse momentum View the pTμ>4 GeV and pseudorapidity |ημ|<2.5|ημ|<2.5 in order to reduce theoretical uncertainties on the acceptance, which depend on the poorly known polarisation. The results are based on an integrated luminosity of 1.13 pb−1, collected with the ATLAS detector at the Large Hadron Collider. The cross-section measurement is compared to theoretical predictions: it agrees to within a factor of two with a prediction based on the NRQCD model including colour-singlet and colour-octet matrix elements as implemented in Pythia while it disagrees by up to a factor of ten with the next-to-leading order prediction based on the colour-singlet model.",
author = "Adam Barton and Guennadi Borissov and Evelina Bouhova-Thacker and Timothy Brodbeck and James Catmore and Alexandre Chilingarov and Ruth Davidson and {de Mora}, Lee and Harald Fox and Robert Henderson and Gareth Hughes and Roger Jones and Vakhtang Kartvelishvili and Robin Long and Peter Love and Peter Ratoff and Terence Sloan and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.",
year = "2011",
month = nov,
day = "3",
doi = "10.1016/j.physletb.2011.09.092",
language = "English",
volume = "705",
pages = "9--27",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1-2",

}

RIS

TY - JOUR

T1 - Measurement of the ϒ(1S) production cross-section in pp collisions at sqrt(s)=7 TeV in ATLAS

AU - Barton, Adam

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Evelina

AU - Brodbeck, Timothy

AU - Catmore, James

AU - Chilingarov, Alexandre

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Fox, Harald

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Ratoff, Peter

AU - Sloan, Terence

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.

PY - 2011/11/3

Y1 - 2011/11/3

N2 - A measurement of the cross-section for ϒ(1S)→μ+μ−ϒ(1S)→μ+μ− production in proton–proton collisions at centre of mass energy of 7 TeV is presented. The cross-section is measured as a function of the ϒ(1S)ϒ(1S) transverse momentum in two bins of rapidity, |yϒ(1S)|<1.2|yϒ(1S)|<1.2 and 1.2<|yϒ(1S)|<2.41.2<|yϒ(1S)|<2.4. The measurement requires that both muons have transverse momentum View the pTμ>4 GeV and pseudorapidity |ημ|<2.5|ημ|<2.5 in order to reduce theoretical uncertainties on the acceptance, which depend on the poorly known polarisation. The results are based on an integrated luminosity of 1.13 pb−1, collected with the ATLAS detector at the Large Hadron Collider. The cross-section measurement is compared to theoretical predictions: it agrees to within a factor of two with a prediction based on the NRQCD model including colour-singlet and colour-octet matrix elements as implemented in Pythia while it disagrees by up to a factor of ten with the next-to-leading order prediction based on the colour-singlet model.

AB - A measurement of the cross-section for ϒ(1S)→μ+μ−ϒ(1S)→μ+μ− production in proton–proton collisions at centre of mass energy of 7 TeV is presented. The cross-section is measured as a function of the ϒ(1S)ϒ(1S) transverse momentum in two bins of rapidity, |yϒ(1S)|<1.2|yϒ(1S)|<1.2 and 1.2<|yϒ(1S)|<2.41.2<|yϒ(1S)|<2.4. The measurement requires that both muons have transverse momentum View the pTμ>4 GeV and pseudorapidity |ημ|<2.5|ημ|<2.5 in order to reduce theoretical uncertainties on the acceptance, which depend on the poorly known polarisation. The results are based on an integrated luminosity of 1.13 pb−1, collected with the ATLAS detector at the Large Hadron Collider. The cross-section measurement is compared to theoretical predictions: it agrees to within a factor of two with a prediction based on the NRQCD model including colour-singlet and colour-octet matrix elements as implemented in Pythia while it disagrees by up to a factor of ten with the next-to-leading order prediction based on the colour-singlet model.

UR - http://www.scopus.com/inward/record.url?scp=80054760375&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2011.09.092

DO - 10.1016/j.physletb.2011.09.092

M3 - Journal article

AN - SCOPUS:80054760375

VL - 705

SP - 9

EP - 27

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1-2

ER -