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Jet properties from dihadron correlations in p plus p collisions at root s=200 GeV

Adler, S. S.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Al-Jamel, A.; Alexander, J.; Aoki, K.; Aphecetche, L. and Armendariz, R., et al. (2006) In Physical Review D (Particles, Fields, Gravitation and Cosmology) 74(7).
Abstract
The properties of jets produced in p+p collisions at root s=200 GeV are measured using the method of two-particle correlations. The trigger particle is a leading particle from a large transverse momentum jet while the associated particle comes from either the same jet or the away-side jet. Analysis of the angular width of the near-side peak in the correlation function determines the jet-fragmentation transverse momentum j(T). The extracted value, root < j(T)(2)>=585 +/- 6(stat)+/- 15(sys) MeV/c, is constant with respect to the trigger particle transverse momentum, and comparable to the previous lower root s measurements. The width of the away-side peak is shown to be a convolution of j(T) with the fragmentation variable, z, and the... (More)
The properties of jets produced in p+p collisions at root s=200 GeV are measured using the method of two-particle correlations. The trigger particle is a leading particle from a large transverse momentum jet while the associated particle comes from either the same jet or the away-side jet. Analysis of the angular width of the near-side peak in the correlation function determines the jet-fragmentation transverse momentum j(T). The extracted value, root < j(T)(2)>=585 +/- 6(stat)+/- 15(sys) MeV/c, is constant with respect to the trigger particle transverse momentum, and comparable to the previous lower root s measurements. The width of the away-side peak is shown to be a convolution of j(T) with the fragmentation variable, z, and the partonic transverse momentum, k(T). The < z > is determined through a combined analysis of the measured pi(0) inclusive and associated spectra using jet-fragmentation functions measured in e(+)e(-) collisions. The final extracted values of k(T) are then determined to also be independent of the trigger particle transverse momentum, over the range measured, with value of root < k(T)(2)>=2.68 +/- 0.07(stat)+/- 0.34(sys) GeV/c. (Less)
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Physical Review D (Particles, Fields, Gravitation and Cosmology)
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74
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7
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American Physical Society
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  • wos:000241723900008
  • scopus:33749465590
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1550-2368
DOI
10.1103/PhysRevD.74.072002
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English
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@article{65119bfb-ccca-4a16-947a-fbc19cd6ddfc,
  abstract     = {The properties of jets produced in p+p collisions at root s=200 GeV are measured using the method of two-particle correlations. The trigger particle is a leading particle from a large transverse momentum jet while the associated particle comes from either the same jet or the away-side jet. Analysis of the angular width of the near-side peak in the correlation function determines the jet-fragmentation transverse momentum j(T). The extracted value, root &lt; j(T)(2)&gt;=585 +/- 6(stat)+/- 15(sys) MeV/c, is constant with respect to the trigger particle transverse momentum, and comparable to the previous lower root s measurements. The width of the away-side peak is shown to be a convolution of j(T) with the fragmentation variable, z, and the partonic transverse momentum, k(T). The &lt; z &gt; is determined through a combined analysis of the measured pi(0) inclusive and associated spectra using jet-fragmentation functions measured in e(+)e(-) collisions. The final extracted values of k(T) are then determined to also be independent of the trigger particle transverse momentum, over the range measured, with value of root &lt; k(T)(2)&gt;=2.68 +/- 0.07(stat)+/- 0.34(sys) GeV/c.},
  articleno    = {072002},
  author       = {Adler, S. S. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Al-Jamel, A. and Alexander, J. and Aoki, K. and Aphecetche, L. and Armendariz, R. and Aronson, S. H. and Averbeck, R. and Awes, T. C. and Babintsev, V. and Baldisseri, A. and Barish, K. N. and Barnes, P. D. and Bassalleck, B. and Bathe, S. and Batsouli, S. and Baublis, V. and Bauer, F. and Bazilevsky, A. and Belikov, S. and Bjorndal, M. T. and Boissevain, J. G. and Borel, H. and Brooks, M. L. and Brown, D. S. and Bruner, N. and Bucher, D. and Buesching, H. and Bumazhnov, V. and Bunce, G. and Burward-Hoy, J. M. and Butsyk, S. and Camard, X. and Chand, P. and Chang, W. C. and Chernichenko, S. and Chi, C. Y. and Chiba, J. and Chiu, M. and Choi, I. J. and Choudhury, R. K. and Chujo, T. and Cianciolo, V. and Cobigo, Y. and Cole, B. A. and Comets, M. P. and Constantin, P. and Csanad, M. and Csorgo, T. and Cussonneau, J. P. and d'Enterria, D. and Das, K. and David, G. and Deak, F. and Delagrange, H. and Denisov, A. and Deshpande, A. and Desmond, E. J. and Devismes, A. and Dietzsch, O. and Drachenberg, J. L. and Drapier, O. and Drees, A. and Durum, A. and Dutta, D. and Dzhordzhadze, V. and Efremenko, Y. V. and En'yo, H. and Espagnon, B. and Esumi, S. and Fields, D. E. and Finck, C. and Fleuret, F. and Fokin, S. L. and Fox, B. D. and Fraenkel, Z. and Frantz, J. E. and Franz, A. and Frawley, A. D. and Fukao, Y. and Fung, S. -Y. and Gadrat, S. and Germain, M. and Glenn, A. and Gonin, M. and Gosset, J. and Goto, Y. and de Cassagnac, R. Granier and Grau, N. and Greene, S. V. and Grosse Perdekamp, M. and Gustafsson, Hans-Åke and Hachiya, T. and Haggerty, J. S. and Hamagaki, H. and Hansen, A. G. and Hartouni, E. P. and Harvey, M. and Hasuko, K. and Hayano, R. and He, X. and Heffner, M. and Hemmick, T. K. and Heuser, J. M. and Hidas, P. and Hiejima, H. and Hill, J. 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G. and Le Bornec, Y. and Lebedev, A. and Leckey, S. and Lee, D. M. and Leitch, M. J. and Leite, M. A. L. and Li, X. H. and Lim, H. and Litvinenko, A. and Liu, M. X. and Maguire, C. F. and Makdisi, Y. I. and Malakhov, A. and Manko, V. I. and Mao, Y. and Martinez, G. and Masui, H. and Matathias, F. and Matsumoto, T. and McCain, M. C. and McGaughey, P. L. and Miake, Y. and Miller, T. E. and Milov, A. and Mioduszewski, S. and Mishra, G. C. and Mitchell, J. T. and Mohanty, A. K. and Morrison, D. P. and Moss, J. M. and Mukhopadhyay, D. and Muniruzzaman, M. and Nagamiya, S. and Nagle, J. L. and Nakamura, T. and Newby, J. and Nyanin, A. S. and Nystrand, Joakim and O'Brien, E. and Ogilvie, C. A. and Ohnishi, H. and Ojha, I. D. and Okada, H. and Okada, K. and Oskarsson, Anders and Otterlund, Ingvar and Oyama, K. and Ozawa, K. and Pal, D. and Palounek, A. P. T. and Pantuev, V. and Papavassiliou, V. and Park, J. and Park, W. J. and Pate, S. F. and Pei, H. and Penev, V. and Peng, J. -C. and Pereira, H. and Peresedov, V. and Pierson, A. and Pinkenburg, C. and Pisani, R. P. and Purschke, M. L. and Purwar, A. K. and Qualls, J. M. and Rak, J. and Ravinovich, I. and Read, K. F. and Reuter, M. and Reygers, K. and Riabov, V. and Riabov, Y. and Roche, G. and Romana, A. and Rosati, M. and Rosendahl, Sarah and Rosnet, P. and Rykov, V. L. and Ryu, S. S. and Saito, N. and Sakaguchi, T. and Sakai, S. and Samsonov, V. and Sanfratello, L. and Santo, R. and Sato, H. D. and Sato, S. and Sawada, S. and Schutz, Y. and Semenov, V. and Seto, R. and Shea, T. K. and Shein, I. and Shibata, T. -A. and Shigaki, K. and Shimomura, M. and Sickles, A. and Silva, C. L. and Silvermyr, D. and Sim, K. S. and Soldatov, A. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. V. and Staley, F. and Stankus, P. W. and Stenlund, Evert and Stepanov, M. and Ster, A. and Stoll, S. P. and Sugitate, T. and Sullivan, J. P. and Takagi, S. and Takagui, E. M. and Taketani, A. and Tanaka, K. H. and Tanaka, Y. and Tanida, K. and Tannenbaum, M. J. and Taranenko, A. and Tarjan, P. and Thomas, T. L. and Togawa, M. and Tojo, J. and Torii, H. and Towell, R. S. and Tram, V-N. and Tserruya, I. and Tsuchimoto, Y. and Tydesjö, Henrik and Tyurin, N. and Uam, T. J. and van Hecke, H. W. and Velkovska, J. and Velkovsky, M. and Veszpremi, V. and Vinogradov, A. A. and Volkov, M. A. and Vznuzdaev, E. and Wang, X. R. and Watanabe, Y. and White, S. N. and Willis, N. and Wohn, F. K. and Woody, C. L. and Xie, W. and Yanovich, A. and Yokkaichi, S. and Young, G. R. and Yushmanov, I. E. and Zajc, W. A. and Zhang, C. and Zhou, S. and Zimanyi, J. and Zolin, L. and Zong, X.},
  issn         = {1550-2368},
  language     = {eng},
  number       = {7},
  publisher    = {American Physical Society},
  series       = {Physical Review D (Particles, Fields, Gravitation and Cosmology)},
  title        = {Jet properties from dihadron correlations in p plus p collisions at root s=200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevD.74.072002},
  volume       = {74},
  year         = {2006},
}