<p>Using the 4.9 pb<sup>−1</sup> statistics collected at the peak of the <i>ψ</i>(3770) resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the neutral and charged D mesons:<Equation ID="Equa"> <EquationSource Format="TEX">\(\begin{array}{c}{M}_{{D}^{0}}=1865.100\pm {0.210}_{\text{stat}}\pm {0.046}_{\text{syst}}\;{\text{M}}{\text{e}}{\text{V}},\\ {M}_{{D}^{+}}=1869.560\pm {0.288}_{\text{stat}}\pm {0.109}_{\text{syst}}\;{\text{M}}{\text{e}}{\text{V}}.\end{array}\)</EquationSource> </Equation></p>

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New measurement of D0 and D+ meson masses with the KEDR detector

  • V. V. Anashin,
  • O. V. Anchugov,
  • A. V. Andrianov,
  • K. V. Astrelina,
  • V. M. Aulchenko,
  • E. M. Baldin,
  • G. N. Baranov,
  • A. K. Barladyan,
  • A. Yu. Barnyakov,
  • M. Yu. Barnyakov,
  • S. E. Baru,
  • I. Yu. Basok,
  • A. M. Batrakov,
  • I. V. Bedny,
  • E. A. Bekhtenev,
  • O. V. Belikov,
  • D. E. Berkaev,
  • A. E. Blinov,
  • V. E. Blinov,
  • M. F. Blinov,
  • A. V. Bobrov,
  • V. S. Bobrovnikov,
  • A. V. Bogomyagkov,
  • D. Yu. Bolkhovityanov,
  • A. E. Bondar,
  • D. V. Bondarev,
  • A. R. Buzykaev,
  • S. I. Eidelman,
  • P. B. Cheblakov,
  • V. L. Dorohov,
  • F. A. Emanov,
  • V. V. Gambaryan,
  • Yu. M. Glukhovchenko,
  • D. N. Grigoriev,
  • V. V. Gulevich,
  • D. V. Gusev,
  • V. V. Kaminskiy,
  • S. E. Karnaev,
  • S. V. Karpov,
  • G. V. Karpov,
  • K. Yu. Karukina,
  • D. P. Kashtankin,
  • P. V. Kasyanenko,
  • A. A. Katcin,
  • T. A. Kharlamova,
  • V. A. Kiselev,
  • S. A. Kononov,
  • K. Yu. Kotov,
  • A. A. Krasnov,
  • E. A. Kravchenko,
  • V. N. Kudryavtsev,
  • V. F. Kulikov,
  • G. Ya. Kurkin,
  • E. A. Kuper,
  • I. A. Kuyanov,
  • E. B. Levichev,
  • P. V. Logachev,
  • D. A. Maksimov,
  • T. V. Maltsev,
  • Yu. I. Maltseva,
  • V. M. Malyshev,
  • A. L. Maslennikov,
  • A. S. Medvedko,
  • O. I. Meshkov,
  • S. I. Mishnev,
  • I. A. Morozov,
  • I. I. Morozov,
  • N. Yu. Muchnoi,
  • V. V. Neufeld,
  • D. A. Nikiforov,
  • S. A. Nikitin,
  • I. B. Nikolaev,
  • I. N. Okunev,
  • A. P. Onuchin,
  • S. B. Oreshkin,
  • I. O. Orlov,
  • A. A. Osipov,
  • I.V. Ovtin,
  • A. V. Pavlenko,
  • S. V. Peleganchuk,
  • K. G. Petrukhin,
  • P. A. Piminov,
  • S. G. Pivovarov,
  • A. O. Poluektov,
  • I. N. Popkov,
  • V. G. Prisekin,
  • O. L. Rezanova,
  • A. A. Ruban,
  • V. K. Sandyrev,
  • G. A. Savinov,
  • A. G. Shamov,
  • D. N. Shatilov,
  • L. I. Shekhtman,
  • D. A. Shvedov,
  • B. A. Shwartz,
  • E. A. Simonov,
  • S. V. Sinyatkin,
  • Yu. I. Skovpen,
  • A. N. Skrinsky,
  • V. V. Smaluk,
  • A. V. Sokolov,
  • E. V. Starostina,
  • D. P. Sukhanov,
  • A. M. Sukharev,
  • A. A. Talyshev,
  • V. A. Tayursky,
  • V. I. Telnov,
  • Yu. A. Tikhonov,
  • K. Yu. Todyshev,
  • A. G. Tribendis,
  • G. M. Tumaikin,
  • Yu. V. Usov,
  • A. I. Vorobiov,
  • A. N. Yushkov,
  • V. N. Zhilich,
  • A. A. Zhukov,
  • V. V. Zhulanov,
  • A. N. Zhuravlev,
  • D. A. Zubkov

摘要

Using the 4.9 pb−1 statistics collected at the peak of the ψ(3770) resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the neutral and charged D mesons: \(\begin{array}{c}{M}_{{D}^{0}}=1865.100\pm {0.210}_{\text{stat}}\pm {0.046}_{\text{syst}}\;{\text{M}}{\text{e}}{\text{V}},\\ {M}_{{D}^{+}}=1869.560\pm {0.288}_{\text{stat}}\pm {0.109}_{\text{syst}}\;{\text{M}}{\text{e}}{\text{V}}.\end{array}\)