Subjet multiplicity of gluon and quark jets reconstructed with thek⊥algorithm inpp¯collisions

6533b854fe1ef96bd12ae8fe

RESEARCH PRODUCT

Subjet multiplicity of gluon and quark jets reconstructed with thek⊥algorithm inpp¯collisions

F. Rizatdinova M. Chung J. Yu A. Alton V.v. Abramov A. Bean E. Popkov G. Ginther Anurag Gupta D. Karmanov B. M. Sabirov F. Fleuret X. Li N. Sen K. W. Merritt R. Gilmartin Stephen Wimpenny P. Yamin M. Jaffré C. S. Mishra G. D. Alexeev R. Yamada M. Abolins O. Peters S. Chopra V. Bhatnagar A. Abdesselam M. Bhattacharjee Mariusz Przybycien P. Padley B. Kothari V. Sirotenko R. Demina Arnaud Lucotte L. Coney Ron Lipton M. Gao S. Negroni E. G. Zverev K. Del Signore S. Tentindo-repond M. Demarteau J. Womersley M. Kubantsev P. Hanlet N. K. Mondal H. T. Diehl H. Singh E. Ramberg A. V. Kostritskiy G. Eppley Ariel Schwartzman B. Olivier H. L. Melanson M. Merkin R. Snihur M. Sosebee S. Desai J. Linnemann D. Whiteson Nicholas John Hadley P. Demine R. Partridge N. I. Bojko J. D. Hobbs E. W. Anderson M. Roco H. D. Wahl T. Ferbel S. Blessing M. Talby A. Goussiou D. Mihalcea L. Sawyer L. Groer H. Zheng L. Duflot J. Ellison A. K.a. Maciel H. Miettinen K. Gounder M. Zanabria N. Amos V. L. Malyshev Sa. Jain P. M. Tuts B. Hoeneisen Scott Snyder J. T. White R. Hirosky E. Nagy Winston Ko V. Hagopian Richard Breedon D. Lincoln Randy Ruchti Alberto Santoro H. Greenlee M. D. Hildreth Elizaveta Shabalina V. E. Kuznetsov L. S. Vertogradov A. N. Galyaev J. Krane R. W. Stephens S. Feher F. Borcherding D. Denisov P. D. Grannis A. P. Vorobiev R. Raja P. W. Balm A. Duperrin M. A. Shupe G. Sajot A. Leflat D. R. Claes C. Royon G. Gutierrez B. Baldin T. G. Trippe R. K. Shivpuri Y. Gershtein K. M. Mauritz D. Bauer N. Oshima D. A. Wijngaarden Q. Xu Kaushik De Y. Arnoud S. N. Ahmed A. Boehnlein N. R. Stanton J. Solomon A. Zieminski Andrew Brandt R. W. Moore M. Fortner R. Jesik J. Rutherfoord L. Lueking T. Rockwell A. M. Kalinin B. Connolly J. A. Green Gilvan Alves F. Nang P. Slattery S. P. Denisov F. Blekman H. Castilla-valdez F. Beaudette N. A. Naumann Andrew White Miguel Mostafa Qiming Li V. Stolin K. Papageorgiou W. E. Cooper A. Jonckheere M. Zielinski D. R. Wood H. E. Montgomery S. N. Gurzhiev J. Perkins U. Bassler Gregory R Snow K. Bos E. A. Kozlovsky C. Miao M. R. Krishnaswamy S. M. Tripathi M. Strovink Sarah Catherine Eno H. Fox P. Gutierrez D. Chakraborty H. E. Fisk A. Juste B. Pawlik H. Da Motta J. G.r. Lima T. Heuring V. S. Narasimham L. Babukhadia S. Duensing M. Rijssenbeek T. Nunnemann B. May Bobby Samir Acharya H. A. Neal E. Flattum S. Reucroft M. Strauss R. Piegaia J. H. Christenson V. Manankov H. Schellman Z. M. Wang S. Fuess N. Sotnikova V. A. Bezzubov J. Kotcher J. P. Negret Andre Sznajder P. I. Goncharov A. R. Clark S. Krzywdzinski A. Besson A. Khanov H. Wang R. Illingworth S. Hansen H. S. Mao D. Buchholz A. Para H. Jöstlein R. P. Smith P. Ermolov J. B. Singh S. Doulas V. Sorín M. A.c. Cummings Sergey Chekulaev G. Brooijmans K. Yip D. Coppage L. J. Pan K. Davis L. Stutte V. Oguri K. C. Frame A. V. Kotwal J. M. Butler Cecilia Elena Gerber A. Kharchilava Y. Kulik Z. D. Greenwood Z. Yu D. Stoker R. Beuselinck Y. Ducros Emanuela Barberis R. A. Sidwell C. Hays T. Bose N. W. Reay Philip Baringer F. Lehner N. Graf R. E. Hall B. Abbott B. Knuteson C. Luo G. Bernardi V. V. Babintsev M. Narain M. Ridel J. Estrada S. Banerjee Y. A. Yatsunenko T. C. Bacon S. Kuleshov J. Barreto E. Smith Wagner Carvalho Harrison Prosper Jianming Qian M. Begel Sebastian Grinstein H. Haggerty G. Graham T. Fahland O. V. Eroshin Y. Song S.a. Kahn A.s. Dyshkant V. S. Burtovoi S. Youssef D. Casey N. Mokhov U. Heintz S. Hagopian L. T. Goss R. Mccarthy Yu-tin Huang I. Bertram D. Edmunds D. O’neil Charles Leggett E. Kajfasz R. Engelmann A. Patwa Z. Zhou V. Zutshi F. Stichelbaut C. Lundstedt D. Zieminska M. Diesburg G. Watts Carlos Avila H. Weerts W. M. Lee R. D. Schamberger Alexey Volkov J. F. Bartlett Nikos Varelas D. Cutts Sabine Crépé-renaudin V. Gavrilov A. Kupco A. Baden James H Cochran J. Snow Mitchell Wayne M. A. Strang Bing Zhou S. Grünendahl T. Marshall R. Van Kooten Suyong Choi A. Bross Boaz Klima Z. Casilum G. C. Blazey P. A. Rapidis David H. Adams K. Johns V. D. Elvira R. J. Madaras J. M. Kohli M. M. Baarmand D. Hedin M. Paterno P. Rubinov J. A. Wightman Y. Fisyak F. Villeneuve-seguier V. M. Abazov N. Parashar B. Gómez P. Krivkova Volker Buescher W. Taylor H. Evans A. A. Mayorov Shashikant Dugad Howard Gordon S. Willis D. Shpakov F. Canelli G. Briskin Marvin Johnson P. C. Bhat D. Fein A. Stone M. H.g. Souza Mary Beth Adams J. M. Hauptman R. Kehoe E. Gallas S. B. Beri S. L. Linn G. A. Davis W. Kahl P. Pétroff G. Landsberg A. V. Kozelov T. Mcmahon J. M. Heinmiller Srinivasan Rajagopalan K. M. Chan S. J. De Jong V. N. Evdokimov J. Warchol V. Simak S. K. Kim Shuichi Kunori Jing Li X. Zhang A. S. Ito D. K. Cho V. Vaniev T. Yasuda K. Soustruznik S. Fu Serban Protopopescu R. Brock N. Parua L. V. Dudko M. I. Martin A. P. Heinson J. L. González Solís Frank Filthaut D. A. Stoyanova A. S. Turcot D. Karmgard Gervasio Gomez C. Hebert B. G. Pope A. Zylberstejn G. Steinbrück R. J. Genik Alexander Belyaev K. Genser M. Buehler

subject

Quark Physics Nuclear and High Energy Physics Particle physics 010308 nuclear & particles physics Astrophysics::High Energy Astrophysical Phenomena Multiplicity (mathematics)Radius Jet (particle physics)Deep inelastic scattering 01 natural sciences Gluon Nuclear physics 0103 physical sciences High Energy Physics::Experiment Resummation Nuclear Experiment 010306 general physics Algorithm Event generator

description

The D empty set Collaboration has studied for the first time the properties of hadron-collider jets reconstructed with a successive-combination algorithm based on relative transverse momenta (k(perpendicular to)) of energy clusters. Using the standard value D = 1.0 of the jet-separation parameter in the k(perpendicular to) algorithm, we find that the p(T) of such jets is higher than the E-T of matched jets reconstructed with cones of radius R = 0.7, by about 5 (8) GeV at p(T) approximate to90 (240) GeV. To examine internal jet structure, the k(perpendicular to) algorithm is applied within D = 0.5 jets to resolve any subjets. The multiplicity of subjets in jet samples at roots = 1800 GeV and 630 GeV is extracted separately for gluons (M (g) ) and quarks (M q), and the ratio of average subjet multiplicities in gluon and quark jets is measured as ([M g] - 1)/([M q] - 1) = 1.84+/-0.15 (stat)(-0.18)(+0.22) (syst). This ratio is in agreement with the expectations from the HERWIG Monte Carlo event generator and a resummation calculation, and with observations in e(+) e(-) annihilations, and is close to the naive prediction for the ratio of color charges of C-A/C-F = 9/4 = 2.25.

year	journal	country	edition	language
2002-02-07	Physical Review D

https://doi.org/10.1103/physrevd.65.052008