Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV

T. Affolder, H. Akimoto, A. Akopian, M. G. Albrow, P. Amaral, D. Amidei, K. Anikeev, J. Antos, G. Apollinari, T. Arisawa, A. Artikov, T. Asakawa, W. Ashmanskas, F. Azfar, P. Azzi-Bacchetta, N. Bacchetta, H. Bachacou, S. Bailey, P. De Barbaro, A. Barbaro-GaltieriV. E. Barnes, B. A. Barnett, S. Baroiant, M. Barone, G. Bauer, F. Bedeschi, S. Belforte, W. H. Bell, G. Bellettini, J. Bellinger, D. Benjamin, J. Bensinger, A. Beretvas, J. P. Berge, J. Berryhill, A. Bhatti, M. Binkley, D. Bisello, M. Bishai, R. E. Blair, C. Blocker, K. Bloom, B. Blumenfeld, S. R. Blusk, A. Bocci, A. Bodek, W. Bokhari, G. Bolla, Y. Bonushkin, G. Veramendi, CDF Collaboration

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c2, produced at the Tevatron in pp̄ collisions with √s = 1.8 TeV and recorded by the Collider Detector at Fermilab. The data are fit to perturbative-QCD calculations carried out in the framework of the modified leading log approximation and the hypothesis of local parton-hadron duality. The fit yields values for two parameters in that framework: the ratio of parton multiplicities in gluon and quark jets, γ≡Ng-jet partons/Nq-jet partons = 1.7±0.3, and the ratio of the number of charged hadrons to the number of partons in a jet, Kcharged LPHD≡Ncharged hadrons/Npartons = 0.57±0.11.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review Letters
Volume87
Issue number21
DOIs
StatePublished - Jan 1 2001
Externally publishedYes

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partons
charged particles
collisions
hadrons
quantum chromodynamics
quarks
detectors
approximation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P., Amidei, D., ... CDF Collaboration (2001). Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV. Physical Review Letters, 87(21). https://doi.org/10.1103/PhysRevLett.87.211804

Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV. / Affolder, T.; Akimoto, H.; Akopian, A.; Albrow, M. G.; Amaral, P.; Amidei, D.; Anikeev, K.; Antos, J.; Apollinari, G.; Arisawa, T.; Artikov, A.; Asakawa, T.; Ashmanskas, W.; Azfar, F.; Azzi-Bacchetta, P.; Bacchetta, N.; Bachacou, H.; Bailey, S.; De Barbaro, P.; Barbaro-Galtieri, A.; Barnes, V. E.; Barnett, B. A.; Baroiant, S.; Barone, M.; Bauer, G.; Bedeschi, F.; Belforte, S.; Bell, W. H.; Bellettini, G.; Bellinger, J.; Benjamin, D.; Bensinger, J.; Beretvas, A.; Berge, J. P.; Berryhill, J.; Bhatti, A.; Binkley, M.; Bisello, D.; Bishai, M.; Blair, R. E.; Blocker, C.; Bloom, K.; Blumenfeld, B.; Blusk, S. R.; Bocci, A.; Bodek, A.; Bokhari, W.; Bolla, G.; Bonushkin, Y.; Veramendi, G.; CDF Collaboration.

In: Physical Review Letters, Vol. 87, No. 21, 01.01.2001.

Research output: Contribution to journalArticle

Affolder, T, Akimoto, H, Akopian, A, Albrow, MG, Amaral, P, Amidei, D, Anikeev, K, Antos, J, Apollinari, G, Arisawa, T, Artikov, A, Asakawa, T, Ashmanskas, W, Azfar, F, Azzi-Bacchetta, P, Bacchetta, N, Bachacou, H, Bailey, S, De Barbaro, P, Barbaro-Galtieri, A, Barnes, VE, Barnett, BA, Baroiant, S, Barone, M, Bauer, G, Bedeschi, F, Belforte, S, Bell, WH, Bellettini, G, Bellinger, J, Benjamin, D, Bensinger, J, Beretvas, A, Berge, JP, Berryhill, J, Bhatti, A, Binkley, M, Bisello, D, Bishai, M, Blair, RE, Blocker, C, Bloom, K, Blumenfeld, B, Blusk, SR, Bocci, A, Bodek, A, Bokhari, W, Bolla, G, Bonushkin, Y, Veramendi, G & CDF Collaboration 2001, 'Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV', Physical Review Letters, vol. 87, no. 21. https://doi.org/10.1103/PhysRevLett.87.211804
Affolder T, Akimoto H, Akopian A, Albrow MG, Amaral P, Amidei D et al. Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV. Physical Review Letters. 2001 Jan 1;87(21). https://doi.org/10.1103/PhysRevLett.87.211804
Affolder, T. ; Akimoto, H. ; Akopian, A. ; Albrow, M. G. ; Amaral, P. ; Amidei, D. ; Anikeev, K. ; Antos, J. ; Apollinari, G. ; Arisawa, T. ; Artikov, A. ; Asakawa, T. ; Ashmanskas, W. ; Azfar, F. ; Azzi-Bacchetta, P. ; Bacchetta, N. ; Bachacou, H. ; Bailey, S. ; De Barbaro, P. ; Barbaro-Galtieri, A. ; Barnes, V. E. ; Barnett, B. A. ; Baroiant, S. ; Barone, M. ; Bauer, G. ; Bedeschi, F. ; Belforte, S. ; Bell, W. H. ; Bellettini, G. ; Bellinger, J. ; Benjamin, D. ; Bensinger, J. ; Beretvas, A. ; Berge, J. P. ; Berryhill, J. ; Bhatti, A. ; Binkley, M. ; Bisello, D. ; Bishai, M. ; Blair, R. E. ; Blocker, C. ; Bloom, K. ; Blumenfeld, B. ; Blusk, S. R. ; Bocci, A. ; Bodek, A. ; Bokhari, W. ; Bolla, G. ; Bonushkin, Y. ; Veramendi, G. ; CDF Collaboration. / Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV. In: Physical Review Letters. 2001 ; Vol. 87, No. 21.
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abstract = "We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c2, produced at the Tevatron in pp̄ collisions with √s = 1.8 TeV and recorded by the Collider Detector at Fermilab. The data are fit to perturbative-QCD calculations carried out in the framework of the modified leading log approximation and the hypothesis of local parton-hadron duality. The fit yields values for two parameters in that framework: the ratio of parton multiplicities in gluon and quark jets, γ≡Ng-jet partons/Nq-jet partons = 1.7±0.3, and the ratio of the number of charged hadrons to the number of partons in a jet, Kcharged LPHD≡Ncharged hadrons/Npartons = 0.57±0.11.",
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T1 - Charged-Particle Multiplicity pp̄ Collisions at √s = 1.8 TeV

AU - Affolder, T.

AU - Akimoto, H.

AU - Akopian, A.

AU - Albrow, M. G.

AU - Amaral, P.

AU - Amidei, D.

AU - Anikeev, K.

AU - Antos, J.

AU - Apollinari, G.

AU - Arisawa, T.

AU - Artikov, A.

AU - Asakawa, T.

AU - Ashmanskas, W.

AU - Azfar, F.

AU - Azzi-Bacchetta, P.

AU - Bacchetta, N.

AU - Bachacou, H.

AU - Bailey, S.

AU - De Barbaro, P.

AU - Barbaro-Galtieri, A.

AU - Barnes, V. E.

AU - Barnett, B. A.

AU - Baroiant, S.

AU - Barone, M.

AU - Bauer, G.

AU - Bedeschi, F.

AU - Belforte, S.

AU - Bell, W. H.

AU - Bellettini, G.

AU - Bellinger, J.

AU - Benjamin, D.

AU - Bensinger, J.

AU - Beretvas, A.

AU - Berge, J. P.

AU - Berryhill, J.

AU - Bhatti, A.

AU - Binkley, M.

AU - Bisello, D.

AU - Bishai, M.

AU - Blair, R. E.

AU - Blocker, C.

AU - Bloom, K.

AU - Blumenfeld, B.

AU - Blusk, S. R.

AU - Bocci, A.

AU - Bodek, A.

AU - Bokhari, W.

AU - Bolla, G.

AU - Bonushkin, Y.

AU - Veramendi, G.

AU - CDF Collaboration

PY - 2001/1/1

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N2 - We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c2, produced at the Tevatron in pp̄ collisions with √s = 1.8 TeV and recorded by the Collider Detector at Fermilab. The data are fit to perturbative-QCD calculations carried out in the framework of the modified leading log approximation and the hypothesis of local parton-hadron duality. The fit yields values for two parameters in that framework: the ratio of parton multiplicities in gluon and quark jets, γ≡Ng-jet partons/Nq-jet partons = 1.7±0.3, and the ratio of the number of charged hadrons to the number of partons in a jet, Kcharged LPHD≡Ncharged hadrons/Npartons = 0.57±0.11.

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