Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector

G. Aad; Mogens Dam; Jørgen Beck Hansen; Peter Henrik Hansen; John Renner Hansen; Jørn Dines Hansen; Nele Maria Philomena Boelaert; Sascha Mehlhase; Morten Dam Jørgensen; Simon Johann Franz Heisterkamp; Esben Bryndt Klinkby; Troels Christian Petersen; Björn Stefan Nilsson; Stefania Xella

doi:10.1103/PhysRevD.85.052005

Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector

G. Aad, Mogens Dam, Jørgen Beck Hansen, Peter Henrik Hansen, John Renner Hansen, Jørn Dines Hansen, Nele Maria Philomena Boelaert, Sascha Mehlhase, Morten Dam Jørgensen, Simon Johann Franz Heisterkamp, Esben Bryndt Klinkby, Troels Christian Petersen, Björn Stefan Nilsson, Stefania Xella

34 Citations (Scopus)

Abstract

This paper reports a measurement of D ^*± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an integrated luminosity of 0.30pb ^-1 for jets with transverse momentum between 25 and 70 GeV in the pseudorapidity range |η|<2.5. D ^* ^± mesons found in jets are fully reconstructed in the decay chain: D ^*+→D0π ⁺, D0→K ^-π ⁺, and its charge conjugate. The production rate is found to be N(D ^*±)/N(jet)=0.025±0. 001(stat.)±0.004(syst.) for D ^*± mesons that carry a fraction z of the jet momentum in the range 0.3<z<1. Monte Carlo predictions fail to describe the data at small values of z, and this is most marked at low jet transverse momentum.

Original language	English
Journal	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Volume	85
Issue number	5
Pages (from-to)	052005
Number of pages	22
ISSN	1550-7998
DOIs	https://doi.org/10.1103/PhysRevD.85.052005
Publication status	Published - 19 Mar 2012

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Aad, G., Dam, M., Hansen, J. B., Hansen, P. H., Hansen, J. R., Hansen, J. D., Boelaert, N. M. P., Mehlhase, S., Jørgensen, M. D., Heisterkamp, S. J. F., Klinkby, E. B., Petersen, T. C., Nilsson, B. S., & Xella, S. (2012). Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), 85(5), 052005. https://doi.org/10.1103/PhysRevD.85.052005

Aad, G, Dam, M , Hansen, JB , Hansen, PH , Hansen, JR , Hansen, JD, Boelaert, NMP, Mehlhase, S, Jørgensen, MD, Heisterkamp, SJF, Klinkby, EB, Petersen, TC, Nilsson, BS & Xella, S 2012, 'Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector', Physical Review D (Particles, Fields, Gravitation and Cosmology), vol. 85, no. 5, pp. 052005. https://doi.org/10.1103/PhysRevD.85.052005

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title = "Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector",

abstract = "This paper reports a measurement of D *± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an integrated luminosity of 0.30pb -1 for jets with transverse momentum between 25 and 70 GeV in the pseudorapidity range |η|<2.5. D * ± mesons found in jets are fully reconstructed in the decay chain: D *+→D0π +, D0→K -π +, and its charge conjugate. The production rate is found to be N(D *±)/N(jet)=0.025±0. 001(stat.)±0.004(syst.) for D *± mesons that carry a fraction z of the jet momentum in the range 0.3",

author = "G. Aad and Mogens Dam and Hansen, {J{\o}rgen Beck} and Hansen, {Peter Henrik} and Hansen, {John Renner} and Hansen, {J{\o}rn Dines} and Boelaert, {Nele Maria Philomena} and Sascha Mehlhase and J{\o}rgensen, {Morten Dam} and Heisterkamp, {Simon Johann Franz} and Klinkby, {Esben Bryndt} and Petersen, {Troels Christian} and Nilsson, {Bj{\"o}rn Stefan} and Stefania Xella",

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AU - Aad, G.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Hansen, John Renner

AU - Hansen, Jørn Dines

AU - Boelaert, Nele Maria Philomena

AU - Mehlhase, Sascha

AU - Jørgensen, Morten Dam

AU - Heisterkamp, Simon Johann Franz

AU - Klinkby, Esben Bryndt

AU - Petersen, Troels Christian

AU - Nilsson, Björn Stefan

AU - Xella, Stefania

PY - 2012/3/19

Y1 - 2012/3/19

N2 - This paper reports a measurement of D *± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an integrated luminosity of 0.30pb -1 for jets with transverse momentum between 25 and 70 GeV in the pseudorapidity range |η|<2.5. D * ± mesons found in jets are fully reconstructed in the decay chain: D *+→D0π +, D0→K -π +, and its charge conjugate. The production rate is found to be N(D *±)/N(jet)=0.025±0. 001(stat.)±0.004(syst.) for D *± mesons that carry a fraction z of the jet momentum in the range 0.3

AB - This paper reports a measurement of D *± meson production in jets from proton-proton collisions at a center-of-mass energy of √s=7TeV at the CERN Large Hadron Collider. The measurement is based on a data sample recorded with the ATLAS detector with an integrated luminosity of 0.30pb -1 for jets with transverse momentum between 25 and 70 GeV in the pseudorapidity range |η|<2.5. D * ± mesons found in jets are fully reconstructed in the decay chain: D *+→D0π +, D0→K -π +, and its charge conjugate. The production rate is found to be N(D *±)/N(jet)=0.025±0. 001(stat.)±0.004(syst.) for D *± mesons that carry a fraction z of the jet momentum in the range 0.3

U2 - 10.1103/PhysRevD.85.052005

DO - 10.1103/PhysRevD.85.052005

M3 - Journal article

SN - 2470-0010

VL - 85

SP - 052005

JO - Physical Review D

JF - Physical Review D

IS - 5

ER -

Measurement of D*± meson production in jets from pp collisions at vs=7¿¿TeV with the ATLAS detector

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