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

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

Clicks: 150

ID: 269670

1997

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.

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Authors	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;
Journal	physics letters b
Year	1997
DOI	10.1016/s0370-2693(97)00492-9
URL	https://sciprofiles.com/publication/view/1ff04582ef9711a5209442687d2b7ad6 https://doi.org/10.1016/s0370-2693(97)00492-9
Keywords	functions gev beam charm e791 reconstructed pions resonant feynman

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