Measurement of charged-particle event shape variables in inclusive √(s)=7 TeV proton-proton interactions with the ATLAS detector. Physical Review D - Particles, Fields, Gravitation and Cosmology Volume 88, Issue 3, 6 August 2013, Article number 032004
14 сентября 2018
203
Предметная область | — |
Выходные данные | — |
Ключевые слова | — |
Вид публикации | Статья |
Контактные данные автора публикации | Aad, G.bo, Abajyan, T.ad, Abbott, B.eg, Abdallah, J.p, Abdel Khalek, S.ek et.al. |
Ссылка на публикацию в интернете | www.scopus.com |
Аннотация
The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.
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