Measurement of the production of charm jets tagged with D-0 mesons in pp collisions at root s=7 TeV

doi:10.1007/JHEP08(2019)133

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	Measurement of the production of charm jets tagged with D-0 mesons in pp collisions at root s=7 TeV
	Acharya, S ; Acosta, FT ; Adam, J ; Adamova, D ; Adler, A ; Adolfsson, J ; Aggarwal, MM ; Rinella, GA ; Agnello, M ; Agrawal, N
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	2019
期号	8 页码:-
ISSN号	1029-8479
DOI	10.1007/JHEP08(2019)133
文献子类	期刊论文
英文摘要	The production of charm jets in proton-proton collisions at a center-of-mass energy of p s = 7TeV was measured with the ALICE detector at the CERN Large Hadron Collider. The measurement is based on a data sample corresponding to a total integrated luminosity of 6: 23 nb, collected using a minimum-bias trigger. Charm jets are identi fi ed by the presence of a D 0 meson among their constituents. The D 0 mesons are reconstructed from their hadronic decay D 0 ! K. The D 0 -meson tagged jets are reconstructed using tracks of charged particles (track-based jets) with the anti-k T algorithm in the jet transverse momentum range 5 < p ch T;jet < 30 GeV= c and pseudorapidity jjetj < 0: 5. The fraction of charged jets containing a D 0 -meson increases with p ch T;jet from 0: 042 0: 004 (stat) 0: 006 (syst) to 0: 080 0: 009 (stat) 0: 008 (syst). The distribution of D 0 -meson tagged jets as a function of the jet momentum fraction carried by the D 0 meson in the direction of the jet axis (z ch jj) is reported for two ranges of jet transverse momenta, 5 < p ch T;jet < 15 GeV= c and 15 < p ch T;jet < 30 GeV= c in the intervals 0: 2 < z ch jj < 1: 0 and 0: 4 < z ch jj < 1: 0, respectively. The data are compared with results from Monte Carlo event generators (PYTHIA 6, PYTHIA 8 and Herwig 7) and with a Next-to-Leading-Order perturbative Quantum Chromodynamics calculation, obtained with the POWHEG method and interfaced with PYTHIA 6 for the generation of the parton shower, fragmentation, hadronisation and underlying event.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/32127]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine; 2.Bose Inst, Dept Phys, Kolkata, India; 3.Ctr Astroparticle Phys & Space Sci, Kolkata, India; 4.Yerevan Phys Inst Fdn, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia; 5.Budker Inst Nucl Phys, Novosibirsk, Russia; 6.Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA; 7.Cent China Normal Univ, Wuhan, Hubei, Peoples R China; 8.Ctr Calcul IN2P3, Lyon, France; 9.Ctr Aplicaciones Tecnol & Desarrollo Nucl CEA DEN, Havana, Cuba; 10.Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico;
推荐引用方式 GB/T 7714	Acharya, S,Acosta, FT,Adam, J,et al. Measurement of the production of charm jets tagged with D-0 mesons in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019(8):-.
APA	Acharya, S.,Acosta, FT.,Adam, J.,Adamova, D.,Adler, A.,...&Zmeskal, J.(2019).Measurement of the production of charm jets tagged with D-0 mesons in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(8),-.
MLA	Acharya, S,et al."Measurement of the production of charm jets tagged with D-0 mesons in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .8(2019):-.