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Titolo:
Correlated Lambda(+)(c)(lambda)over-bar(c)(-) production in e(+)e(-) annihilations at root s similar to 10.5 GeV - art. no. 112003
Autore:
Bornheim, A; Lipeles, E; Pappas, SP; Schmidtler, M; Shapiro, A; Sun, WM; Weinstein, AJ; Jaffe, DE; Mahapatra, R; Masek, G; Paar, HP; Asner, DM; Eppich, A; Hill, TS; Morrison, RJ; Briere, RA; Chen, GP; Ferguson, T; Vogel, H; Gritsan, A; Alexander, JP; Baker, R; Bebek, C; Berger, BE; Berkelman, K; Blanc, F; Boisvert, V; Cassel, DG; Drell, PS; Duboscq, JE; Ecklund, KM; Ehrlich, R; Gaidarev, P; Galik, RS; Gibbons, L; Gittelman, B; Gray, SW; Hartill, DL; Heltsley, BK; Hopman, PI; Hsu, L; Jones, CD; Kandaswamy, J; Kreinick, DL; Lohner, M; Magerkurth, A; Meyer, TO; Mistry, NB; Nordberg, E; Palmer, M; Patterson, JR; Peterson, D; Riley, D; Romano, A; Thayer, JG; Urner, D; Valant-Spaight, B; Viehhauser, G; Warburton, A; Avery, P; Prescott, C; Rubiera, AI; Stoeck, H; Yelton, J; Brandenburg, G; Ershov, A; Kim, DYJ; Wilson, R; Bergfeld, T; Eisenstein, BI; Ernst, J; Gladding, GE; Gollin, GD; Hans, RM; Johnson, E; Karliner, I; Marsh, MA; Plager, C; Sedlack, C; Selen, M; Thaler, JJ; Williams, J; Edwards, KW; Janicek, R; Patel, PM; Sadoff, AJ; Ammar, R; Bean, A; Besson, D; Brabant, P; Zhao, X; Anderson, S; Frolov, VV; Kubota, Y; Lee, SJ; ONeill, JJ; Poling, R; Riehle, T; Smith, A; Stepaniak, CJ; Urheim, J; Ahmed, S; Alam, MS; Athar, SB; Jian, L; Ling, L; Saleem, M; Timm, S; Wappler, F; Anastassov, A; Eckhart, E; Gan, KK; Gwon, C; Hart, T; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pedlar, TK; Schwarthoff, H; Thayer, JB; von Toerne, E; Zoeller, MM; Richichi, SJ; Severini, H; Skubic, P; Undrus, A; Savinov, V; Chen, S; Fast, J; Hinson, JW; Lee, J; Miller, DH; Shibata, EI; Shipsey, IPJ; Pavlunin, V; Cronin-Hennessy, D; Lyon, AL; Thorndike, EH; Coan, TE; Fadeyev, V; Gao, YS; Maravin, Y; Narsky, I; Stroynowski, R; Ye, J; Wlodek, T; Artuso, M; Boulahouache, C; Bukin, K; Dambasuren, E; Majumder, G; Moneti, GC; Mountain, R; Schuh, S; Skwarnicki, T; Stone, S; Wang, JC; Wolf, A; Wu, J; Kopp, S; Kostin, M; Mahmood, AH; Csorna, SE; Danko, I; McLean, KW; Xu, Z; Godang, R; Bonvicini, G; Cinabro, D; Dubrovin, M; McGee, S; Zhou, GJ;
Indirizzi:
CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Univ Calif San Diego, La Jolla, CA 92093 USA Univ Calif San Diego La Jolla CA USA 92093 Diego, La Jolla, CA 92093 USA Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara Santa Barbara CA USA 93106 Barbara, CA 93106 USA Carnegie Mellon Univ, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 iv, Pittsburgh, PA 15213 USA Univ Colorado, Boulder, CO 80309 USA Univ Colorado Boulder CO USA 80309Univ Colorado, Boulder, CO 80309 USA Cornell Univ, Ithaca, NY 14853 USA Cornell Univ Ithaca NY USA 14853Cornell Univ, Ithaca, NY 14853 USA Univ Florida, Gainesville, FL 32611 USA Univ Florida Gainesville FL USA 32611 Florida, Gainesville, FL 32611 USA Harvard Univ, Cambridge, MA 02138 USA Harvard Univ Cambridge MA USA 02138Harvard Univ, Cambridge, MA 02138 USA Univ Illinois, Urbana, IL 61801 USA Univ Illinois Urbana IL USA 61801Univ Illinois, Urbana, IL 61801 USA Carleton Univ, Ottawa, ON K1S 5B6, Canada Carleton Univ Ottawa ON Canada K1S 5B6 n Univ, Ottawa, ON K1S 5B6, Canada Inst Particle Phys, Ottawa, ON, Canada Inst Particle Phys Ottawa ON Canada st Particle Phys, Ottawa, ON, Canada McGill Univ, Montreal, PQ H3A 2T8, Canada McGill Univ Montreal PQ Canada H3A 2T8 Univ, Montreal, PQ H3A 2T8, Canada Ithaca Coll, Ithaca, NY 14850 USA Ithaca Coll Ithaca NY USA 14850Ithaca Coll, Ithaca, NY 14850 USA Univ Kansas, Lawrence, KS 66045 USA Univ Kansas Lawrence KS USA 66045Univ Kansas, Lawrence, KS 66045 USA Univ Minnesota, Minneapolis, MN 55455 USA Univ Minnesota Minneapolis MN USA 55455 nesota, Minneapolis, MN 55455 USA SUNY Albany, Albany, NY 12222 USA SUNY Albany Albany NY USA 12222SUNY Albany, Albany, NY 12222 USA Ohio State Univ, Columbus, OH 43210 USA Ohio State Univ Columbus OH USA 43210 State Univ, Columbus, OH 43210 USA Univ Oklahoma, Norman, OK 73019 USA Univ Oklahoma Norman OK USA 73019Univ Oklahoma, Norman, OK 73019 USA Univ Pittsburgh, Pittsburgh, PA 15260 USA Univ Pittsburgh Pittsburgh PA USA 15260 tsburgh, Pittsburgh, PA 15260 USA Purdue Univ, W Lafayette, IN 47907 USA Purdue Univ W Lafayette IN USA 47907 rdue Univ, W Lafayette, IN 47907 USA Univ Rochester, Rochester, NY 14627 USA Univ Rochester Rochester NY USA 14627 Rochester, Rochester, NY 14627 USA So Methodist Univ, Dallas, TX 75275 USA So Methodist Univ Dallas TX USA 75275 ethodist Univ, Dallas, TX 75275 USA Syracuse Univ, Syracuse, NY 13244 USA Syracuse Univ Syracuse NY USA 13244Syracuse Univ, Syracuse, NY 13244 USA Univ Texas, Austin, TX 78712 USA Univ Texas Austin TX USA 78712Univ Texas, Austin, TX 78712 USA Univ Texas Pan Amer, Edinburg, TX 78539 USA Univ Texas Pan Amer Edinburg TX USA 78539 an Amer, Edinburg, TX 78539 USA Vanderbilt Univ, Nashville, TN 37235 USA Vanderbilt Univ Nashville TN USA37235 bilt Univ, Nashville, TN 37235 USA Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA Virginia Polytech Inst & State Univ Blacksburg VA USA 24061 VA 24061 USA Wayne State Univ, Detroit, MI 48202 USA Wayne State Univ Detroit MI USA 48202 e State Univ, Detroit, MI 48202 USA
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 11, volume: 6311, anno: 2001,
pagine: 2003 -
SICI:
0556-2821(20010601)6311:11<2003:CLPIEA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOFT GLUON INTERFERENCE; E+E ANNIHILATION; MODEL; FRAGMENTATION; DETECTOR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Bornheim, A CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA
Citazione:
A. Bornheim et al., "Correlated Lambda(+)(c)(lambda)over-bar(c)(-) production in e(+)e(-) annihilations at root s similar to 10.5 GeV - art. no. 112003", PHYS REV D, 6311(11), 2001, pp. 2003

Abstract

Using 13.6 fb(-1) of continuum two-jet e(+)e(-) -->c (c) over bar events collected with the CLEO detector, we have searched for baryon number correlations at the primary quark level. We have measured the likelihood for a Lambda (+)(c) charmed baryon to be produced in the hemisphere opposite a <(<Lambda>)over bar>(-)(c) relative to the likelihood for a Lambda (+)(c) charmed baryon to be produced opposite an anticharmed meson (D) over bar; in all cases, the reconstructed hadrons must have momentum greater than 2.3 GeV/c,We find that, given a <(<Lambda>)over bar>(-)(c) (reconstructed in five different decay modes), a Lambda (+)(c) is observed in the opposite hemisphere (0.72+/-0.11)% of the time (not corrected for efficiency). By contrast, given a (D) over bar in one hemisphere, a Lambda (+)(c) is observed in the opposite hemisphere only (0.21 +/- 0.02)% of the time. Normalized to the total number of either <(<Lambda>)over bar>(-)(c) or (D) over bar "tags," it is therefore 3.52 +/- 0.45 +/- 0.42 times more likely to find a Lambda (+)(c) opposite a <(<Lambda>)over bar>(-)(c) than a (D) over bar meson, This enhancement is not observed in the JETSET 7.3 e(+)e(-)-->c (c) over bar Monte Carlo simulation.

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Documento generato il 19/09/20 alle ore 18:35:11