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Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV

Publication ,  Journal Article
Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D ...
Published in: Physical Review C
August 14, 2017

The STAR Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum hadron trigger, in central and peripheral Au+Au collisions at sNN=200 GeV. Charged jets are reconstructed with the anti-kT algorithm for jet radii R between 0.2 and 0.5 and with low infrared cutoff of track constituents (pT>0.2 GeV/c). A novel mixed-event technique is used to correct the large uncorrelated background present in heavy ion collisions. Corrected recoil jet distributions are reported at midrapidity, for charged-jet transverse momentum pT,jetch<30 GeV/c. Comparison is made to similar measurements for Pb+Pb collisions at s=2.76 TeV, to calculations for p+p collisions at s=200 GeV based on the pythia Monte Carlo generator and on a next-to-leading order perturbative QCD approach, and to theoretical calculations incorporating jet quenching. The recoil jet yield is suppressed in central relative to peripheral collisions, with the magnitude of the suppression corresponding to medium-induced charged energy transport out of the jet cone of 2.8±0.2(stat)±1.5(sys) GeV/c, for 10

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Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

August 14, 2017

Volume

96

Issue

2

Related Subject Headings

  • 5106 Nuclear and plasma physics
 

Citation

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Adamczyk, L., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Ajitanand, N. N., … Heppelmann, S. (2017). Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV. Physical Review C, 96(2). https://doi.org/10.1103/PhysRevC.96.024905
Adamczyk, L., J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, N. N. Ajitanand, I. Alekseev, et al. “Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV.” Physical Review C 96, no. 2 (August 14, 2017). https://doi.org/10.1103/PhysRevC.96.024905.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Ajitanand NN, et al. Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV. Physical Review C. 2017 Aug 14;96(2).
Adamczyk, L., et al. “Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV.” Physical Review C, vol. 96, no. 2, Aug. 2017. Scopus, doi:10.1103/PhysRevC.96.024905.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Ajitanand NN, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Attri A, Averichev GS, Bai X, Bairathi V, Behera A, Bellwied R, Bhasin A, Bhati AK, Bhattarai P, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Bouchet J, Brandenburg JD, Brandin AV, Brown D, Bunzarov I, Butterworth J, Caines H, De La Barca Sanchez MC, Campbell JM, Cebra D, Chakaberia I, Chaloupka P, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen X, Chen JH, Cheng J, Cherney M, Christie W, Contin G, Crawford HJ, Das S, De Silva LC, Debbe RR, Dedovich TG, Deng J, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Draper JE, Dunkelberger LE, Dunlop JC, Efimov LG, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Federicova P, Fedorisin J, Feng Z, Filip P, Finch E, Fisyak Y, Flores CE, Fulek L, Gagliardi CA, Garand D, Geurts F, Gibson A, Girard M, Grosnick D, Gunarathne DS, Guo Y, Gupta A, Gupta S, Guryn W, Hamad AI, Hamed A, Harlenderova A, Harris JW, He L, Heppelmann S. Measurements of jet quenching with semi-inclusive hadron+jet distributions in Au+Au collisions at sNN =200 GeV. Physical Review C. 2017 Aug 14;96(2).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

August 14, 2017

Volume

96

Issue

2

Related Subject Headings

  • 5106 Nuclear and plasma physics