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Titolo:
Total forward and differential cross sections of neutral D mesons producedin 500 GeV/c pi(-)-nucleon interactions
Autore:
Aitala, EM; Amato, S; Anjos, JC; Appel, JA; Ashery, D; Banerjee, S; Bediaga, I; Blaylock, G; Bracker, SB; Burchat, PR; Burnstein, RA; Carter, T; Carvalho, HS; Copty, NK; Cremaldi, LM; Darling, C; Denisenko, K; Devmal, S; Fernandez, A; Fox, GF; Gagnon, P; Gobel, C; Gounder, K; Halling, AM; Herrera, G; Hurvits, G; James, C; Kasper, PA; Kwan, S; Langs, DC; Leslie, J; Lundberg, B; Magnin, J; MayTal-Beck, S; Meadows, B; Neto, JRTD; Mihalcea, D; Milburn, RH; de Miranda, JM; Napier, A; Nguyen, A; dOliveira, AB; OShaughnessy, K; Peng, KC; Perera, LP; Purohit, MV; Quinn, B; Radeztsky, S; Rafatian, A; Reay, NW; Reidy, JJ; dos Reis, AC; Rubin, HA; Sanders, DA; Santha, AKS; Santoro, AFS; Schwartz, AJ; Sheaff, M; Sidwell, RA; Slaughter, AJ; Sokoloff, MD; Solano, J; Stanton, NR; Stefanski, RJ; Stenson, K; Summers, DJ; Takach, S; Thorne, K; Tripathi, AK; Watanabe, S; Weiss-Babai, R; Wiener, J; Witchey, N; Wolin, E; Yang, SM; Yi, D; Yoshida, S; Zaliznyak, R; Zhang, C;
Indirizzi:
Univ Mississippi, University, MS 38677 USA Univ Mississippi University MSUSA 38677 ssippi, University, MS 38677 USA Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil Ctr Brasileiro Pesquisas Fis Rio De Janeiro Brazil o De Janeiro, Brazil Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA Univ Calif Santa Cruz Santa Cruz CA USA 95064 z, Santa Cruz, CA 95064 USA Univ Cincinnati, Cincinnati, OH 45221 USA Univ Cincinnati Cincinnati OH USA 45221 cinnati, Cincinnati, OH 45221 USA CINVESTAV, Mexico City 07000, DF, Mexico CINVESTAV Mexico City DF Mexico 07000 STAV, Mexico City 07000, DF, Mexico Fermilab Astrophys Ctr, Batavia, IL 60510 USA Fermilab Astrophys Ctr Batavia IL USA 60510 ys Ctr, Batavia, IL 60510 USA IIT, Chicago, IL 60616 USA IIT Chicago IL USA 60616IIT, Chicago, IL 60616 USA Kansas State Univ, Manhattan, KS 66506 USA Kansas State Univ Manhattan KSUSA 66506 te Univ, Manhattan, KS 66506 USA Univ Massachusetts, Amherst, MA 01003 USA Univ Massachusetts Amherst MA USA 01003 sachusetts, Amherst, MA 01003 USA Princeton Univ, Princeton, NJ 08544 USA Princeton Univ Princeton NJ USA 08544 ceton Univ, Princeton, NJ 08544 USA Univ Autonoma Puebla, Mexico City, DF, Mexico Univ Autonoma Puebla MexicoCity DF Mexico ebla, Mexico City, DF, Mexico Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina Columbia SC USA 29208 S Carolina, Columbia, SC 29208 USA Stanford Univ, Stanford, CA 94305 USA Stanford Univ Stanford CA USA 94305Stanford Univ, Stanford, CA 94305 USA Tel Aviv Univ, IL-69978 Tel Aviv, Israel Tel Aviv Univ Tel Aviv Israel IL-69978 v Univ, IL-69978 Tel Aviv, Israel Tufts Univ, Medford, MA 02155 USA Tufts Univ Medford MA USA 02155Tufts Univ, Medford, MA 02155 USA Univ Wisconsin, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706Univ Wisconsin, Madison, WI 53706 USA Yale Univ, New Haven, CT 06511 USA Yale Univ New Haven CT USA 06511Yale Univ, New Haven, CT 06511 USA
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 1-2, volume: 462, anno: 1999,
pagine: 225 - 236
SICI:
0370-2693(19990909)462:1-2<225:TFADCS>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSVERSE-MOMENTUM DEPENDENCE; HIGH-ENERGY PHOTOPRODUCTION; PARTON DISTRIBUTIONS; P-INTERACTIONS; D(0),(D)OVER-BAR(0) PRODUCTION; NUCLEON-INTERACTIONS; FEYNMAN-X; DRELL-YAN; CHARM; ASYMMETRIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Aitala, EM Univ Mississippi, University, MS 38677 USA Univ Mississippi University MS USA 38677 versity, MS 38677 USA
Citazione:
E.M. Aitala et al., "Total forward and differential cross sections of neutral D mesons producedin 500 GeV/c pi(-)-nucleon interactions", PHYS LETT B, 462(1-2), 1999, pp. 225-236

Abstract

We measure the neutral D total forward cross section and the differential cross sections as functions of Feynman-x (x(F)) and transverse momentum squared for 500 GeV/c pi(+)-nucleon interactions. The results are obtained from 88990 +/- 460 reconstructed neutral D mesons from Fermilab experiment E791 using the decay channels D-0-->K(-)pi(+) and D-0-->K(-)pi(+)pi(-)pi(+) (and charge conjugates). We extract fit parameters from the differential cross sections and provide the first direct measurement of the turnover point in the x(F) distribution, 0.0131 +/- 0.0038. We measure an absolute D-0 + (D) over bar(0) (x(F) > 0) cross section of 15.4(-2.3)(+1.8) mu barn/nucleon (assuming a linear A dependence). The differential and total forward cross sections are compared to theoretical predictions and to results of previousexperiments. (C) 1999 Published by EIsevier Science B.V. All rights reserved.

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Documento generato il 30/11/20 alle ore 17:01:47