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Measurement of the jet fragmentation function and transverse profile in proton-proton collisions at a center-of-mass energy of 7 TeV with the ATLAS detector
DESY, D-2000 Hamburg, Germany .
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 3019
2011 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 11, 1795- p.Article in journal (Refereed) Published
Abstract [en]

 The jet fragmentation function and transverse profile for jets with 25 GeV < p(Tjet) < 500 GeV and |eta(jet)| < 1.2 produced in proton-proton collisions with a center-of-mass energy of 7 TeV are presented. The measurement is performed using data with an integrated luminosity of 36 pb(-1). Jets are reconstructed and their momentum measured using calorimetric information. The momenta of the charged particle constituents are measured using the tracking system. The distributions corrected for detector effects are compared with various Monte Carlo event generators and generator tunes. Several of these choices show good agreement with the measured fragmentation function. None of these choices reproduce both the transverse profile and fragmentation function over the full kinematic range of the measurement.  

Place, publisher, year, edition, pages
Springer, 2011. Vol. 71, no 11, 1795- p.
Keyword [en]
SCALING VIOLATIONS; Q2 DEPENDENCE; HERA; QCD; DISTRIBUTIONS; ANNIHILATION; SCATTERING; QUARK
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-70273DOI: 10.1140/epjc/s10052-011-1795-yISI: 000297706700015Scopus ID: 2-s2.0-84925259495OAI: oai:DiVA.org:kth-70273DiVA: diva2:486147
Note
Author count 3019. QC 20120130Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2017-12-08Bibliographically approved

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Strandberg, Jonas

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