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  Hadronic production of Lambda c from 600 GeV/c pi(-), Sigma(-) and p beams

Garcia, F. G., Garcia, F. G., Alkhazov, G., Atamantchouk, A. G., Balatz, M. Y., Bondar, N. F., et al. (2002). Hadronic production of Lambda c from 600 GeV/c pi(-), Sigma(-) and p beams. Physics Letters B, 528(1-2), 49-57.

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Garcia, F. G.1, Autor
Garcia, F. G.1, Autor
Alkhazov, G.1, Autor
Atamantchouk, A. G.1, Autor
Balatz, M. Y.1, Autor
Bondar, N. F.1, Autor
Cooper, P. S.1, Autor
Dauwe, L. J.1, Autor
Davidenko, G. V.1, Autor
Dersch, U.2, Autor           
Dolgolenko, A. G.1, Autor
Dzyubenko, G. B.1, Autor
Edelstein, R.1, Autor
Emediato, L.1, Autor
Endler, A. M. F.1, Autor
Engelfried, J.2, Autor           
Eschrich, I.2, Autor           
Escobar, C. O.1, Autor
Evdokimov, A. V.1, Autor
Filimonov, I. S.1, Autor
Gaspero, M.1, AutorGiller, I.1, AutorGolovtsov, V. L.1, AutorGouffon, P.1, AutorGulmez, E.1, AutorHe, K. L.1, AutorIori, M.1, AutorJun, S. Y.1, AutorKaya, M.1, AutorKilmer, J.1, AutorKim, V. T.1, AutorKochenda, L. M.1, AutorKonorov, I.2, Autor           Kozhevnikov, A. P.1, AutorKrivshich, A. G.1, AutorKruger, H.3, Autor           Kubantsev, M. A.1, AutorKubarovsky, V. P.1, AutorKulyavtsev, A. I.1, AutorKuropatkin, N. P.1, AutorKurshetsov, V. F.1, AutorKushnirenko, A.1, AutorKwan, S.1, AutorLach, J.1, AutorLamberto, A.1, AutorLandsberg, L. G.1, AutorLarin, I.1, AutorLeikin, E. M.1, AutorLi, Y. S.1, AutorLuksys, M.1, AutorLungov, T.1, AutorMaleev, V. P.1, AutorMao, D.1, AutorMao, C. S.1, AutorMao, Z. L.1, AutorMathew, P.1, AutorMattson, M.1, AutorMatveev, V.1, AutorMcCliment, E.1, AutorMoinester, M. A.1, AutorMolchanov, V. V.1, AutorMorelos, A.1, AutorNelson, K. D.1, AutorNemitkin, A. V.1, AutorNeoustroev, P. V.1, AutorNewsom, C.1, AutorNilov, A. P.1, AutorNurushev, S. B.1, AutorOcherashvili, A.1, AutorOnel, Y.1, AutorOzel, E.1, AutorOzkorucuklu, S.1, AutorPenzo, A.1, AutorPetrenko, S. V.1, AutorPogodin, P.1, AutorProcario, M.1, AutorPrutskoi, V. A.1, AutorRamberg, E.1, AutorRappazzo, G. F.1, AutorRazmyslovich, B.1, AutorRud, V. I.1, AutorRuss, J.1, AutorSchiavon, P.1, AutorSimon, J.1, AutorSitnikov, A. I.1, AutorSkow, D.1, AutorSmith, V. J.1, AutorSrivastava, M.1, AutorSteiner, V.1, AutorStepanov, V.1, AutorStutte, L.1, AutorSvoiski, M.1, AutorTerentyev, N. K.1, AutorThomas, G. P.1, AutorUvarov, L. N.1, AutorVasiliev, A. N.1, AutorVavilov, D. V.1, AutorVerebryusov, V. S.1, AutorVictorov, V. A.1, AutorVishnyakov, V. E.1, AutorVorobyov, A. A.1, AutorVorwalter, K.2, Autor           You, J.1, AutorZhao, W. H.1, AutorZheng, S. C.1, AutorZukanovich-Funchal, R.1, Autor mehr..
Affiliations:
1Univ Sao Paulo, Sao Paulo, Brazil; Ist Nazl Fis Nucl, Trieste, Italy; Univ Trieste, Trieste, Italy; Ist Nazl Fis Nucl, Rome, Italy; Univ Roma La Sapienza, Rome, Italy; Univ Michigan, Flint, MI 48502 USA; Univ Iowa, Iowa City, IA 52242 USA; Univ Bristol, Bristol BS8 1TL, Avon, England; Univ Fed Paraiba, BR-58059900 Joao Pessoa, Paraiba, Brazil; Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico; Tel Aviv Univ, IL-69978 Tel Aviv, Israel; Petersburg Nucl Phys Inst, St Petersburg, Russia; Moscow MV Lomonosov State Univ, Moscow, Russia; Inst Theoret & Expt Phys, Moscow 117259, Russia; Inst High Energy Phys, Beijing 100039, Peoples R China; Inst High Energy Phys, Protvino, Russia; Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA; Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil; Carnegie Mellon Univ, Pittsburgh, PA 15213 USA; Bogazici Univ, TR-80815 Bebek, Istanbul, Turkey; Ball State Univ, Muncie, IN 47306 USA, ou_persistent22              
2Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907545              
3Ralf Srama - Heidelberg Dust Group, Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907558              

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 Zusammenfassung: We present data from Fermilab experiment E781 (SELEX) on the hadroproduction asymmetry for (&ULambda;) over bar((c)) over bar compared to Lambda(c)(+) as a function of x(F), and on p(t)(2) distributions for Lambda(c)(+). These data were measured in the same apparatus using incident pi(-),Sigma(-) beams at 600 GeV/c and proton beam at 540 GeV/c. The asymmetry is studied as a function of x(F). In the forward hemisphere with x(F) greater than or equal to 0.2 both baryon beams exhibit very strong preference for producing charm baryons rather than charm antibaryons, while the pion beam asymmetry is much smaller. In this energy regime the results show that beam fragments play a major role in the kinematics of Lambda(c) formation, as suggested by the leading quark picture. (C) 2002 Published by Elsevier Science B.V.

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Sprache(n): eng - English
 Datum: 2002-02-28
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 31342
ISI: 000174402400005
 Art des Abschluß: -

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Titel: Physics Letters B
  Alternativer Titel : Phys. Lett. B
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 528 (1-2) Artikelnummer: - Start- / Endseite: 49 - 57 Identifikator: ISSN: 0370-2693