Observation of D - π production correlations in 500 GeV π− - N interactions
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Observation of D - π production correlations in 500 GeV π− - N interactions

E.M. Aitala,S. Amato,J.C. Anjos,J.A. Appel,D. Ashery,S. Banerjee,I. Bediaga,G. Blaylock,S.B. Bracker,P.R. Burchat,R.A. Burnstein,Tom Carter,H.S. Carvalho,N.K. Copty,I. Costa,L.M. Cremaldi,C. Darling,K. Denisenko,A. Fernandez,P. Gagnon,S. Gerzon,K. Gounder,A.M. Halling,G. Herrera,G. Hurvits,C. James,P.A. Kasper,S. Kwan,D.C. Langs,J. Leslie,B. Lundberg,S. MayTal-Beck,B.T. Meadows,Joao De Mello Neto,R.H. Milburn,J.M. de Miranda,A. Napier,A. Nguyen,A.B. D'Oliveira,K. O'Shaughnessy,K.C. Peng,L.P. Perera,M.V. Purohit,B. Quinn,S. Radeztsky,A. Rafatian,N.W. Reay,J.J. Reidy,A.C. dos Reis,H.A. Rubin,A.K.S. Santha,Alberto Santoro,A.J. Schwartz,M. Sheaff,R.A. Sidwell,A.J. Slaughter,M.D. Sokoloff,N.R. Stanton,K. Stenson,D.J. Summers,S. Takach,K. Thorne,A.K. Tripathi,S. Watanabe,R. Weiss-Babai,J. Wiener,N. Witchey,E. Wolin,D. Yi,S. Yoshida,R. Zaliznyak,C. Zhang;E.M. Aitala;S. Amato;J.C. Anjos;J.A. Appel;D. Ashery;S. Banerjee;I. Bediaga;G. Blaylock;S.B. Bracker;P.R. Burchat;R.A. Burnstein;Tom Carter;H.S. Carvalho;N.K. Copty;I. Costa;L.M. Cremaldi;C. Darling;K. Denisenko;A. Fernandez;P. Gagnon;S. Gerzon;K. Gounder;A.M. Halling;G. Herrera;G. Hurvits;C. James;P.A. Kasper;S. Kwan;D.C. Langs;J. Leslie;B. Lundberg;S. MayTal-Beck;B.T. Meadows;Joao De Mello Neto;R.H. Milburn;J.M. de Miranda;A. Napier;A. Nguyen;A.B. D'Oliveira;K. O'Shaughnessy;K.C. Peng;L.P. Perera;M.V. Purohit;B. Quinn;S. Radeztsky;A. Rafatian;N.W. Reay;J.J. Reidy;A.C. dos Reis;H.A. Rubin;A.K.S. Santha;Alberto Santoro;A.J. Schwartz;M. Sheaff;R.A. Sidwell;A.J. Slaughter;M.D. Sokoloff;N.R. Stanton;K. Stenson;D.J. Summers;S. Takach;K. Thorne;A.K. Tripathi;S. Watanabe;R. Weiss-Babai;J. Wiener;N. Witchey;E. Wolin;D. Yi;S. Yoshida;R. Zaliznyak;C. Zhang;
physics letters b 1997 Vol. 403 pp. 185-190
175
zhang1997physicsobservation

Abstract

We study the charge correlations between charm mesons produced in 500 GeV π− - N interactions and the charged pions produced closest to them in phase space. With 110,000 fully reconstructed D mesons from experiment E791 at Fermilab, the correlations are studied as functions of the Dπ - D mass difference and of Feynman x. We observe significant correlations which appear to originate from a combination of sources including fragmentation dynamics, resonant decays, and charge of the beam.

Keywords

functions gev beam charm e791 reconstructed pions resonant feynman

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DOI:
10.1016/s0370-2693(97)00492-9
URL:
https://sciprofiles.com/publication/view/1ff04582e...

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