Measurement of charm production cross sections in e⁺e^- annihilation at energies between 3.97 and 4.26 GeV

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D. Cronin-Hennessy,¹ K. Y. Gao,¹ J. Hietala,¹ Y. Kubota,¹ T. Klein,¹ B. W. Lang,¹ R. Poling,¹ A. W. Scott,¹ P. Zweber,¹ S. Dobbs,² Z. Metreveli,² K. K. Seth,² A. Tomaradze,² J. Libby,³ A. Powell,³ G. Wilkinson,³ K. M. Ecklund,⁴ W. Love,⁵ V. Savinov,⁵ A. Lopez,⁶ H. Mendez,⁶ J. Ramirez,⁶ J. Y. Ge,⁷ D. H. Miller,⁷ I. P. J. Shipsey,⁷ B. Xin,⁷ G. S. Adams,⁸ M. Anderson,⁸ J. P. Cummings,⁸ I. Danko,⁸ D. Hu,⁸ B. Moziak,⁸ J. Napolitano,⁸ Q. He,⁹ J. Insler,⁹ H. Muramatsu,⁹ C. S. Park,⁹ E. H. Thorndike,⁹ F. Yang,⁹ M. Artuso,¹⁰ S. Blusk,¹⁰ S. Khalil,¹⁰ J. Li,¹⁰ R. Mountain,¹⁰ S. Nisar,¹⁰ K. Randrianarivony,¹⁰ N. Sultana,¹⁰ T. Skwarnicki,¹⁰ S. Stone,¹⁰ J. C. Wang,¹⁰ L. M. Zhang,¹⁰ G. Bonvicini,¹¹ D. Cinabro,¹¹ M. Dubrovin,¹¹ A. Lincoln,¹¹ J. Rademacker,¹² D. M. Asner,¹³ K. W. Edwards,¹³ P. Naik,¹³ J. Reed,¹³ R. A. Briere,¹⁴ T. Ferguson,¹⁴ G. Tatishvili,¹⁴ H. Vogel,¹⁴ M. E. Watkins,¹⁴ J. L. Rosner,¹⁵ J. P. Alexander,¹⁶ D. G. Cassel,¹⁶ J. E. Duboscq,¹⁶ R. Ehrlich,¹⁶ L. Fields,¹⁶ L. Gibbons,¹⁶ R. Gray,¹⁶ S. W. Gray,¹⁶ D. L. Hartill,¹⁶ B. K. Heltsley,¹⁶ D. Hertz,¹⁶ C. D. Jones,¹⁶ J. Kandaswamy,¹⁶ D. L. Kreinick,¹⁶ V. E. Kuznetsov,¹⁶ H. Mahlke-Krüger,¹⁶ D. Mohapatra,¹⁶ P. U. E. Onyisi,¹⁶ J. R. Patterson,¹⁶ D. Peterson,¹⁶ D. Riley,¹⁶ A. Ryd,¹⁶ A. J. Sadoff,¹⁶ X. Shi,¹⁶ S. Stroiney,¹⁶ W. M. Sun,¹⁶ T. Wilksen,¹⁶ S. B. Athar,¹⁷ R. Patel,¹⁷ J. Yelton,¹⁷ P. Rubin,¹⁸ B. I. Eisenstein,¹⁹ I. Karliner,¹⁹ S. Mehrabyan,¹⁹ N. Lowrey,¹⁹ M. Selen,¹⁹ E. J. White,¹⁹ J. Wiss,¹⁹ R. E. Mitchell,²⁰ M. R. Shepherd,²⁰ D. Besson,²¹ and T. K. Pedlar²²

(CLEO Collaboration)

¹University of Minnesota, Minneapolis, Minnesota 55455, USA
²Northwestern University, Evanston, Illinois 60208, USA
³University of Oxford, Oxford OX1 3RH, United Kingdom
⁴State University of New York at Buffalo, Buffalo, New York 14260, USA
⁵University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
⁶University of Puerto Rico, Mayaguez, Puerto Rico 00681
⁷Purdue University, West Lafayette, Indiana 47907, USA
⁸Rensselaer Polytechnic Institute, Troy, New York 12180, USA
⁹University of Rochester, Rochester, New York 14627, USA
¹⁰Syracuse University, Syracuse, New York 13244, USA
¹¹Wayne State University, Detroit, Michigan 48202, USA
¹²University of Bristol, Bristol BS8 1TL, United Kingdom
¹³Carleton University, Ottawa, Ontario, Canada K1S 5B6
¹⁴Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
¹⁵Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
¹⁶Cornell University, Ithaca, New York 14853, USA
¹⁷University of Florida, Gainesville, Florida 32611, USA
¹⁸George Mason University, Fairfax, Virginia 22030, USA
¹⁹University of Illinois, Urbana-Champaign, Illinois 61801, USA
²⁰Indiana University, Bloomington, Indiana 47405, USA
²¹University of Kansas, Lawrence, Kansas 66045, USA
²²Luther College, Decorah, Iowa 52101, USA

Received 20 January 2008; published 1 October 2009

Usingthe CLEO-c detector at the Cornell Electron Storage Ring, wehave measured inclusive and exclusive cross sections for the productionof D⁺, D⁰ and D_s⁺ mesons in e⁺e^- annihilations at13 center-of-mass energies between 3.97 and 4.26 GeV. Exclusive cross sectionsare presented for final states consisting of two charm mesons(D[overline D], D^*[overline D], D^*[overline D]^*, D_s⁺D_s^-, D_s^*+D_s^-, and D_s^*+D_s^*-) and for processesin which the charm-meson pair is accompanied by a pion.No enhancement in any final state is observed at theenergy of the Y(4260).

URL:	http://link.aps.org/doi/10.1103/PhysRevD.80.072001
DOI:	10.1103/PhysRevD.80.072001
PACS:	13.66.Bc; 13.25.Gv 13.66.Bc Hadron production in e⁻e⁺ interactions 13.25.Gv Hadronic decays of J/ψ, Υ, and other quarkonia YEAR: 2009

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Phys. Rev. D 80, 072001 (2009) [12 pages]

Measurement of charm production cross sections in e+e- annihilation at energies between 3.97 and 4.26 GeV

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A new free weekly publication from APS

Measurement of charm production cross sections in e⁺e^- annihilation at energies between 3.97 and 4.26 GeV