## “School of Particles”

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Paper   IPM / Particles / 12398
School of Particles and Accelerator
Title:   Shape, transverse size, and charged hadron multiplicity of jets in pp collisions at 7 TeV
Author(s):
 1 Hessamadin Arfaei 2 Hamed Bakhshiansohi 3 Seyed Mohsen Etesami 4 Ali Fahim 5 Majid Hashemi 6 Hoda Hesari 7 Abideh Jafari 8 Mohsen Khakzad 9 A Mohammadi 10 Mojtaba Mohammadi Najafabadi 11 Saeid Paktinat 12 Batool Safarzadeh 13 Maryam Zeinali
Status:   Published
Journal: JHEP
No.:  160
Vol.:  1206
Year:  2012
Supported by:  IPM
Abstract:
Measurements of jet characteristics from inclusive jet production in proton-proton collisions at a centre-of-mass energy of 7 TeV are presented. The data sample was collected with the CMS detector at the LHC during 2010 and corresponds to an integrated luminosity of 36 inverse picobarns. The mean charged hadron multiplicity, the differential and integral jet shape distributions, and two independent moments of the shape distributions are measured as functions of the jet transverse momentum for jets reconstructed with the anti-kT algorithm. The measured observables are corrected to the particle level and compared with predictions from various QCD Monte Carlo generators

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