Abstract <p>A preliminary result of measuring the masses of the neutral and charged <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9075_Article_IEq1.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="19" /> </InlineMediaObject> <EquationSource Format="TEX">\(D\)</EquationSource> <!--PhysPart2470232Anashin-m1--> </InlineEquation> mesons in the KEDR/VEPP-4M experiment (Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk) is presented: <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9075_Article_IEq2.gif" Format="GIF" Height="18" Rendition="HTML" Resolution="72" Type="Linedraw" Width="132" /> </InlineMediaObject> <EquationSource Format="TEX">\({{M}_{{{{D}^{0}}}}} = 1865.100 \pm \)</EquationSource> <!--PhysPart2470232Anashin-m2--> </InlineEquation> <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9075_Article_IEq3.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="179" /> </InlineMediaObject> <EquationSource Format="TEX">\({{0.210}_{{{\text{stat}}}}} \pm {{0.039}_{{{\text{syst}}}}}{\kern 1pt} \;{\text{MeV}},{\kern 1pt} \)</EquationSource> <!--PhysPart2470232Anashin-m3--> </InlineEquation> <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9075_Article_IEq4.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="135" /> </InlineMediaObject> <EquationSource Format="TEX">\({{M}_{{{{D}^{ + }}}}} = 1869.560 \pm \)</EquationSource> <!--PhysPart2470232Anashin-m4--> </InlineEquation> <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9075_Article_IEq5.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="180" /> </InlineMediaObject> <EquationSource Format="TEX">\({{0.288}_{{{\text{stat}}}}} \pm {{0.090}_{{{\text{syst}}}}}{\kern 1pt} \;{\text{MeV}}{\kern 1pt} .\)</EquationSource> <!--PhysPart2470232Anashin-m5--> </InlineEquation></p>

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Measurement of the Masses of Neutral and Charged D Mesons 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,
  • I. Yu. Basok,
  • A. M. Batrakov,
  • 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,
  • A. R. Buzykaev,
  • P. B. Cheblakov,
  • V. L. Dorohov,
  • F. A. Emanov,
  • V. V. Gambaryan,
  • D. N. Grigoriev,
  • V. V. Kaminskiy,
  • S. E. Karnaev,
  • G. V. Karpov,
  • S. V. Karpov,
  • K. Yu. Karyukina,
  • D. P. Kashtankin,
  • P. V. Kasyanenko,
  • A. A. Katcin,
  • T. A. Kharlamov,
  • V. A. Kiselev,
  • S. A. Kononov,
  • A. A. Krasnov,
  • E. A. Kravchenko,
  • V. N. Kudryavtsev,
  • V. F. Kulikov,
  • I. A. Kuyanov,
  • D. A. Kyshtymov,
  • E. B. Levichev,
  • P. V. Logachev,
  • D. A. Maksimov,
  • T. V. Maltsev,
  • Yu. I. Maltseva,
  • V. M. Malyshev,
  • A. L. Maslennikov,
  • O. I. Meshkov,
  • S. I. Mishnev,
  • I. A. Morozov,
  • I. I. Morozov,
  • D. A. Nikiforov,
  • S. A. Nikitin,
  • I. B. Nikolaev,
  • I. N. Okunev,
  • S. B. Oreshkin,
  • A. A. Osipov,
  • I. V. Ovtin,
  • A. V. Pavlenko,
  • S. V. Peleganchuk,
  • K. G. Petrukhin,
  • P. A. Piminov,
  • S. G. Pivovarov,
  • N. A. Podgornov,
  • A. O. Poluektov,
  • V. G. Prisekin,
  • O. L. Rezanova,
  • A. A. Ruban,
  • G. A. Savinov,
  • A. G. Shamov,
  • L. I. Shekhtman,
  • D. A. Shvedov,
  • B. A. Shwartz,
  • E. A. Simonov,
  • S. V. Sinyatkin,
  • A. N. Skrinsky,
  • 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,
  • V. N. Zhilich,
  • A. A. Zhukov,
  • V. V. Zhulanov,
  • A. N. Zhuravlev,
  • D. A. Zubkov

摘要

Abstract

A preliminary result of measuring the masses of the neutral and charged \(D\) mesons in the KEDR/VEPP-4M experiment (Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk) is presented: \({{M}_{{{{D}^{0}}}}} = 1865.100 \pm \) \({{0.210}_{{{\text{stat}}}}} \pm {{0.039}_{{{\text{syst}}}}}{\kern 1pt} \;{\text{MeV}},{\kern 1pt} \) \({{M}_{{{{D}^{ + }}}}} = 1869.560 \pm \) \({{0.288}_{{{\text{stat}}}}} \pm {{0.090}_{{{\text{syst}}}}}{\kern 1pt} \;{\text{MeV}}{\kern 1pt} .\)