Measurement of the masses and widths of theΣc++andΣc0charmed baryons

Measurement of the masses and widths of theΣc++andΣc0charmed baryons

Marina Artuso,C. Boulahouache,K. Bukin,E. Dambasuren,R. Mountain,T. Skwarnicki,Sheldon Stone,J. C. Wang,A. H. Mahmood,S. E. Csorna,I. Danko,Z. Xu,G. Bonvicini,D. Cinabro,M. Dubrovin,S. McGee,A. Bornheim,E. Lipeles,S. P. Pappas,A. Shapiro,W. M. Sun,A. J. Weinstein,G. Masek,H. P. Paar,R. Mahapatra,R. J. Morrison,H. N. Nelson,Roy Briere,G. P. Chen,Thomas Ferguson,G. Tatishvili,Helmut Vogel,N. E. Adam,J. P. Alexander,C. Bebek,K. Berkelman,Frédéric Blanc,V. Boisvert,D. G. Cassel,P. S. Drell,J. E. Duboscq,Karl Ecklund,R. Ehrlich,R. S. Galik,L. Gibbons,B. Gittelman,S. W. Gray,D. L. Hartill,B. K. Heltsley,L. Hsu,C. D. Jones,J. Kandaswamy,D. L. Kreinick,A. Magerkurth,H. Mahlke-Krüger,T. O. Meyer,N. B. Mistry,E. Nordberg,M. Palmer,J. R. Patterson,D. Peterson,J. Pivarski,D. Riley,A. J. Sadoff,H. Schwarthoff,M. R. Shepherd,J. G. Thayer,D. Urner,B. Valant-Spaight,G. Viehhauser,Andreas Warburton,M. Weinberger,S. B. Athar,P. Avery,C. Prescott,H. Stoeck,J. Yelton,J. Zheng,G. Brandenburg,A. Ershov,D. Y.-J. Kim,R. Wilson,K. Benslama,B. I. Eisenstein,J. Ernst,G. D. Gollin,R. M. Hans,I. Karliner,N. Lowrey,M. A. Marsh,C. Plager,C. Sedlack,M. Selen,J. J. Thaler,J. Williams,K. W. Edwards,R. Ammar,D. Besson,X. Zhao,S. Anderson,V. V. Frolov,Y. Kubota,S. J. Lee,S. Z. Li,Ronald Poling,A. Smith,C. J. Stepaniak,J. Urheim,S. Ahmed,M. S. Alam,L. Jian,M. Saleem,F. Wappler,E. Eckhart,K. K. Gan,C. Gwon,T. Hart,K. Honscheid,D. Hufnagel,H. Kagan,R. Kass,T. K. Pedlar,E. Von Toerne,M. M. Zoeller,S. J. Richichi,H. Severini,P. Skubic,S. A. Dytman,S. Nam,V. Savinov,S. Chen,J. W. Hinson,J. Lee,D. H. Miller,V. Pavlunin,E. I. Shibata,I. P. J. Shipsey,D. Cronin-Hennessy,A. L. Lyon,C. S. Park,W. Park,E. H. Thorndike,T. E. Coan,Y. S. Gao,F. Liu,Y. Maravin,I. Narsky,R. Stroynowski,J. Ye;Marina Artuso;C. Boulahouache;K. Bukin;E. Dambasuren;R. Mountain;T. Skwarnicki;Sheldon Stone;J. C. Wang;A. H. Mahmood;S. E. Csorna;I. Danko;Z. Xu;G. Bonvicini;D. Cinabro;M. Dubrovin;S. McGee;A. Bornheim;E. Lipeles;S. P. Pappas;A. Shapiro;W. M. Sun;A. J. Weinstein;G. Masek;H. P. Paar;R. Mahapatra;R. J. Morrison;H. N. Nelson;Roy Briere;G. P. Chen;Thomas Ferguson;G. Tatishvili;Helmut Vogel;N. E. Adam;J. P. Alexander;C. Bebek;K. Berkelman;Frédéric Blanc;V. Boisvert;D. G. Cassel;P. S. Drell;J. E. Duboscq;Karl Ecklund;R. Ehrlich;R. S. Galik;L. Gibbons;B. Gittelman;S. W. Gray;D. L. Hartill;B. K. Heltsley;L. Hsu;C. D. Jones;J. Kandaswamy;D. L. Kreinick;A. Magerkurth;H. Mahlke-Krüger;T. O. Meyer;N. B. Mistry;E. Nordberg;M. Palmer;J. R. Patterson;D. Peterson;J. Pivarski;D. Riley;A. J. Sadoff;H. Schwarthoff;M. R. Shepherd;J. G. Thayer;D. Urner;B. Valant-Spaight;G. Viehhauser;Andreas Warburton;M. Weinberger;S. B. Athar;P. Avery;C. Prescott;H. Stoeck;J. Yelton;J. Zheng;G. Brandenburg;A. Ershov;D. Y.-J. Kim;R. Wilson;K. Benslama;B. I. Eisenstein;J. Ernst;G. D. Gollin;R. M. Hans;I. Karliner;N. Lowrey;M. A. Marsh;C. Plager;C. Sedlack;M. Selen;J. J. Thaler;J. Williams;K. W. Edwards;R. Ammar;D. Besson;X. Zhao;S. Anderson;V. V. Frolov;Y. Kubota;S. J. Lee;S. Z. Li;Ronald Poling;A. Smith;C. J. Stepaniak;J. Urheim;S. Ahmed;M. S. Alam;L. Jian;M. Saleem;F. Wappler;E. Eckhart;K. K. Gan;C. Gwon;T. Hart;K. Honscheid;D. Hufnagel;H. Kagan;R. Kass;T. K. Pedlar;E. Von Toerne;M. M. Zoeller;S. J. Richichi;H. Severini;P. Skubic;S. A. Dytman;S. Nam;V. Savinov;S. Chen;J. W. Hinson;J. Lee;D. H. Miller;V. Pavlunin;E. I. Shibata;I. P. J. Shipsey;D. Cronin-Hennessy;A. L. Lyon;C. S. Park;W. Park;E. H. Thorndike;T. E. Coan;Y. S. Gao;F. Liu;Y. Maravin;I. Narsky;R. Stroynowski;J. Ye;
physical review d 2002 Vol. 65 pp. 071101-
134
ye2002physicalmeasurement

Abstract

Using data recorded by the CLEO II and CLEO II.V detector configurations at CESR, we report new measurements of the masses of the Σc++ and Σc0 charmed baryons, and the first measurements of their intrinsic widths. We find M(Σc++)−M(Λc+)=167.4±0.1±0.2 MeV, Γ(Σc++)=2.3±0.2±0.3 MeV, and M(Σc0)−M(Λc+)=167.2±0.1±0.2 MeV, Γ(Σc0)=2.5±0.2±0.3 MeV, where the uncertainties are statistical and systematic, respectively.

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