Related papers: Measurement of \psi(3770) parameters

Measurement of main parameters of the \psi(2S) resonance

A high-precision determination of the main parameters of the \psi(2S) resonance has been performed with the KEDR detector at the VEPP-4M e^{+}e^{-} collider in three scans of the \psi(2S) -- \psi(3770) energy range. Fitting the energy…

High Energy Physics - Experiment · Physics 2012-04-30 V. V. Anashin , V. M. Aulchenko , E. M. Baldin , A. K. Barladyan , A. Yu. Barnyakov , M. Yu. Barnyakov , S. E. Baru , I. Yu. Basok , O. L. Beloborodova , A. E. Blinov , V. E. Blinov , A. V. Bobrov , V. S. Bobrovnikov , A. V. Bogomyagkov , A. E. Bondar , A. R. Buzykaev , S. I. Eidelman , D. N. Grigoriev , Yu. M. Glukhovchenko , V. V. Gulevich , D. V. Gusev , S. E. Karnaev , G. V. Karpov , S. V. Karpov , T. A. Kharlamova , V. A. Kiselev , V. V. Kolmogorov , S. A. Kononov , K. Yu. Kotov , E. A. Kravchenko , V. N. Kudryavtsev , V. F. Kulikov , G. Ya. Kurkin , E. A. Kuper , E. B. Levichev , D. A. Maksimov , V. M. Malyshev , A. L. Maslennikov , A. S. Medvedko , O. I. Meshkov , S. I. Mishnev , I. I. Morozov , N. Yu. Muchnoi , V. V. Neufeld , S. A. Nikitin , I. B. Nikolaev , I. N. Okunev , A. P. Onuchin , S. B. Oreshkin , I. O. Orlov , A. A. Osipov , S. V. Peleganchuk , S. G. Pivovarov , P. A. Piminov , V. V. Petrov , A. O. Poluektov , V. G. Prisekin , A. A. Ruban , V. K. Sandyrev , G. A. Savinov , A. G. Shamov , D. N. Shatilov , B. A. Shwartz , E. A. Simonov , S. V. Sinyatkin , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , A. M. Sukharev , E. V. Starostina , A. A. Talyshev , V. A. Tayursky , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , V. V. Zhulanov , A. N. Zhuravlev

Line-shape and poles of the $\psi(3770)$

We study the non-Breit-Wigner line-shape of the $\psi(3770)$ resonance, predominantly a $1\ ^{3}D_{1}$ $\bar{c}c$ state, using an unitarized effective Lagrangian approach, including the one-loop effects of the nearby thresholds $D^+D^-$ and…

High Energy Physics - Phenomenology · Physics 2019-02-26 Susana Coito , Francesco Giacosa

Recent Results on non$-D\bar D$ decays of $\psi(3770)$ from BES

BES Collaboration measured the $R$ values at 3.650, 3.6648 and 3.773 GeV, the $R$ values at 68 energy points in the energy region between 3.650 and 3.872 GeV, the resonance parameters of $\psi(3686)$ and $\psi(3770)$, the branching…

High Energy Physics - Experiment · Physics 2007-05-23 Hai-Long Ma

Measurements of the braching fractions for psi(3770)--> D0D0-bar,D+D-,DD-bar$ and the resonance parameters of psi(3770) and psi(2S)

We report measurements of the branching fractions for $\psi(3770)\to D^0 \bar D^0, D^+D^-, D\bar D$ and resonance parameters of $\psi(3770)$ and $\psi(2S)$. By analyzing the line-shapes of the cross sections for inclusive hadron, $D^0 \bar…

High Energy Physics - Experiment · Physics 2008-11-26 M. Ablikim et al.

Analysis of the $\psi(3770)$ resonance in line with unitarity and analyticity constraints

We study the inclusive and exclusive cross sections of $e^+e^-\to \text{hadrons}$ for center-of-mass energies between 3.70 GeV and 3.83 GeV to infer the mass, width, and couplings of the $\psi(3770)$ resonance. By using a coupled-channel…

High Energy Physics - Phenomenology · Physics 2024-04-11 Christoph Hanhart , Stephan Kürten , Méril Reboud , Danny van Dyk

Analysis of BaBar, Belle, BES-II, CLEO and KEDR data on $\psi(3770)$ line shape and determination of the resonance parameters

The available data on the $D\overline{D}$ and inclusive hadronic cross sections in the $\psi(3770)$ region from the BaBar, Belle, BES-II, CLEO and KEDR experiments have been analyzed assuming that systematic uncertainties on cross sections…

High Energy Physics - Phenomenology · Physics 2017-04-05 A. G. Shamov , K. Yu. Todyshev

Electronic width of the $\psi(3770)$ resonance interfering with the background

Methods for extracting the $\psi(3770)\to e^+e^-$ decay width from the data on the reaction cross section $e^+e^-\to D\bar D$ are discussed. Attention is drawn to the absence of the generally accepted method for determining…

High Energy Physics - Phenomenology · Physics 2021-04-28 N. N. Achasov , G. N. Shestakov

Line shape of \psi(3770) in e^+e^-\to D\bar D

Interference phenomena observed in the $\psi(3770)$ resonance region in the reactions $e^+e^-$ $\to$ $ D\bar D$ are analyzed. To avoid ambiguities in the determination of the $\psi(3770)$ resonance parameters, when analyzing data between…

High Energy Physics - Phenomenology · Physics 2015-06-11 N. N. Achasov , G. N. Shestakov

Precison Measurements of the Mass, the Widths of $\psi(3770)$ Resonance and the Cross Section $\sigma[e^+e^-\to \psi(3770)]$ at $E_{\rm cm}=3.7724$ GeV

By analyzing the $R$ values measured at 68 energy points in the energy region between 3.650 and 3.872 GeV reported in our previous paper, we have precisely measured the mass, the total width, the leptonic width and the leptonic decay…

High Energy Physics - Experiment · Physics 2008-11-26 M. Ablikim et al.

Review of Experimental Studies of $\psi(3770)$ non-$D\bar D$ Decays

We review the progress on experimental studies of the non-$D\bar D$ decays of the $\psi(3770)$ resonance. With the world average of the observed cross sections for $D\bar D$ production measured at 3.773 GeV by the MARK-I, MARK-II, BES and…

High Energy Physics - Experiment · Physics 2010-03-19 G. Rong , D. Zhang , J. C. Chen

Determination of the $\psi(3770)$, $\psi(4040)$, $\psi(4160)$ and $\psi(4415)$ resonance parameters

$R$ measurement data taken with the BESII detector at center-of-mass energies between 3.7 and 5.0 GeV is fitted to determine resonance parameters (mass, total width, electron width) of the high mass charmonium states, $\psi(3770)$,…

High Energy Physics - Experiment · Physics 2019-08-18 M. Ablikim

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

Using the 4.9 pb$^{-1}$ statistics collected at the peak of the $\psi(3770)$ resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the neutral and charged D mesons: $M_{D^0} = 1865.100 \pm…

High Energy Physics - Experiment · Physics 2025-11-10 KEDR Collaboration , 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 , S. I. Eidelman , A. E. Bondar , D. V. Bondarev , A. R. Buzykaev , 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. Kurkina , 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 , E. A. Simonov , D. N. Shatilov , L. I. Shekhtman , D. A. Shvedov , B. A. Shwartz , Yu. I. Skovpen , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , S. V. Sinyatkin , D. P. Sukhanov , A. M. Sukharev , A. A. Talyshev , E. V. Starostina , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , A. G. Tribendis , V. A. Tayursky , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , A. A. Zhukov , V. V. Zhulanova , A. N. Zhuravlev , D. A. Zubkov

Measurement of $\Gamma_{ee}(J/\psi)$ with KEDR detector

The product of the electronic width of the $J/\psi$ meson and the branching fractions of its decay to hadrons and electrons has been measured using the KEDR detector at the VEPP-4M $e^+e^-$ collider. The obtained values are:…

High Energy Physics - Experiment · Physics 2018-06-13 V. V. Anashin , V. M. Aulchenko , E. M. Baldin , A. K. Barladyan , A. Yu. Barnyakov , M. Yu. Barnyakov , S. E. Baru , I. V. Bedny , A. E. Blinov , V. E. Blinov , A. V. Bobrov , V. S. Bobrovnikov , A. V. Bogomyagkov , A. E. Bondar , D. V. Bondarev , A. R. Buzykaev , S. I. Eidelman , Yu. M. Glukhovchenko , V. V. Gulevich , D. V. Gusev , S. E. Karnaev , G. V. Karpov , S. V. Karpov , T. A. Kharlamova , V. A. Kiselev , S. A. Kononov , K. Yu. Kotov , E. A. Kravchenko , V. F. Kulikov , G. Ya. Kurkin , E. A. Kuper , E. B. Levichev , D. A. Maksimov , V. M. Malyshev , A. L. Maslennikov , A. S. Medvedko , O. I. Meshkov , S. I. Mishnev , I. I. Morozov , N. Yu. Muchnoi , V. V. Neufeld , S. A. Nikitin , I. B. Nikolaev , I. N. Okunev , A. P. Onuchin , S. B. Oreshkin , I. O. Orlov , A. A. Osipov , S. V. Peleganchuk , S. G. Pivovarov , P. A. Piminov , V. V. Petrov , 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 , B. A. Shwartz , E. A. Simonov , S. V. Sinyatkin , Yu. I. Skovpen , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , A. M. Sukharev , E. V. Starostina , A. A. Talyshev , V. A. Tayursky , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , V. V. Zhulanov , A. N. Zhuravlev

Recent Results on $\psi(3770)$ Physics at BES

There are about 33, 6.5 and 1.0 pb$^{-1}$ of $e^+e^-$ annihilation data have been taken around the center-of-mass energies of $\sqrt s=$ 3.773 GeV, at $\sqrt s=$ 3.650 GeV and at $\sqrt s=$ 3.6648 GeV, respectively, with the BES-II detector…

High Energy Physics - Experiment · Physics 2009-06-03 M. G. Zhao , for Bes Collaboration

Measurement of \Gamma_{ee}(J/\psi)*Br(J/\psi->e^+e^-) and \Gamma_{ee}(J/\psi)*Br(J/\psi->\mu^+\mu^-)

The products of the electron width of the J/\psi meson and the branching fraction of its decays to the lepton pairs were measured using data from the KEDR experiment at the VEPP-4M electron-positron collider. The results are…

High Energy Physics - Experiment · Physics 2010-05-12 KEDR Collaboration , V. V. Anashin , V. M. Aulchenko , E. M. Baldin , A. K. Barladyan , A. Yu. Barnyakov , M. Yu. Barnyakov , S. E. Baru , I. V. Bedny , O. L. Beloborodova , A. E. Blinov , V. E. Blinov , A. V. Bobrov , V. S. Bobrovnikov , A. V. Bogomyagkov , A. E. Bondar , D. V. Bondarev , A. R. Buzykaev , S. I. Eidelman , Yu. M. Glukhovchenko , V. V. Gulevich , D. V. Gusev , S. E. Karnaev , G. V. Karpov , S. V. Karpov , T. A. Kharlamova , V. A. Kiselev , S. A. Kononov , K. Yu. Kotov , E. A. Kravchenko , V. F. Kulikov , G. Ya. Kurkin , E. A. Kuper , E. B. Levichev , D. A. Maksimov , V. M. Malyshev , A. L. Maslennikov , A. S. Medvedko , O. I. Meshkov , S. I. Mishnev , I. I. Morozov , N. Yu. Muchnoi , V. V. Neufeld , S. A. Nikitin , I. B. Nikolaev , I. N. Okunev , A. P. Onuchin , S. B. Oreshkin , I. O. Orlov , A. A. Osipov , S. V. Peleganchuk , S. G. Pivovarov , P. A. Piminov , V. V. Petrov , A. O. Poluektov , I. N. Popkov , V. G. Prisekin , A. A. Ruban , V. K. Sandyrev , G. A. Savinov , A. G. Shamov , D. N. Shatilov , B. A. Shwartz , E. A. Simonov , S. V. Sinyatkin , Yu. I. Skovpen , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , A. M. Sukharev , E. V. Starostina , A. A. Talyshev , V. A. Tayursky , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , V. V. Zhulanov , A. N. Zhuravlev

Recent results from the KEDR Detector

We report results of experiments performed with the KEDR detector at the VEPP-4M e+e- collider. They include precise measurement of the D0 and D+- meson masses, determination of the psi(3770) resonance parameters, and a search for narrow…

High Energy Physics - Experiment · Physics 2015-05-18 V. V. Anashin , V. M. Aulchenko , E. M. Baldin , A. K. Barladyan , A. Yu. Barnyakov , M. Yu. Barnyakov , S. E. Baru , I. V. Bedny , O. L. Beloborodova , A. E. Blinov , V. E. Blinov , A. V. Bobrov , V. S. Bobrovnikov , A. V. Bogomyagkov , A. E. Bondar , A. R. Buzykaev , S. I. Eidelman , Yu. M. Glukhovchenko , V. V. Gulevich , D. V. Gusev , S. E. Karnaev , S. V. Karpov , T. A. Kharlamova , V. A. Kiselev , S. A. Kononov , K. Yu. Kotov , E. A. Kravchenko , V. F. Kulikov , G. Ya. Kurkin , E. A. Kuper , E. B. Levichev , D. A. Maksimov , V. M. Malyshev , A. L. Maslennikov , A. S. Medvedko , O. I. Meshkov , S. I. Mishnev , I. I. Morozov , N. Yu. Muchnoi , V. V. Neufeld , S. A. Nikitin , I. B. Nikolaev , I. N. Okunev , A. P. Onuchin , S. B. Oreshkin , I. O. Orlov , A. A. Osipov , S. V. Peleganchuk , S. G. Pivovarov , P. A. Piminov , V. V. Petrov , A. O. Poluektov , I. N. Popkov , V. G. Prisekin , A. A. Ruban , V. K. Sandyrev , G. A. Savinov , A. G. Shamov , D. N. Shatilov , B. A. Shwartz , E. A. Simonov , S. V. Sinyatkin , Yu. I. Skovpen , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , A. M. Sukharev , E. V. Starostina , A. A. Talyshev , V. A. Tayursky , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , V. V. Zhulanov , A. N. Zhuravlev

Recent Results on $\psi(3770)$ Physics at BES-II

About 33, 6.5 and 1.0 pb$^{-1}$ of $e^+e^-$ annihilation data were, respectively, taken around the center-of-mass energies of $\sqrt s=$ 3.773 GeV, at $\sqrt s=$ 3.650 GeV and at $\sqrt s=$ 3.6648 GeV with the BES-II detector at the BEPC…

High Energy Physics - Experiment · Physics 2008-10-21 H. L. Ma

Measurement of J/psi leptonic width with the KEDR detector

We report a new precise determination of the leptonic widths of the J/psi meson performed with the KEDR detector at the VEPP-4M $e^{+}e^{-}$ collider. The measured values of the J/psi parameters are: \Gamma_{ee}\times\Gamma_{ee}/\Gamma =…

High Energy Physics - Experiment · Physics 2011-10-04 V. V. Anashin , V. M. Aulchenko , E. M. Baldin , A. K. Barladyan , A. Yu. Barnyakov , M. Yu. Barnyakov , S. E. Baru , I. Yu. Basok , O. L. Beloborodova , A. E. Blinov , V. E. Blinov , A. V. Bobrov , V. S. Bobrovnikov , A. V. Bogomyagkov , A. E. Bondar , A. R. Buzykaev , S. I. Eidelman , D. N. Grigoriev , Yu. M. Glukhovchenko , V. V. Gulevich , D. V. Gusev , S. E. Karnaev , G. V. Karpov , S. V. Karpov , T. A. Kharlamova , V. A. Kiselev , V. V. Kolmogorov , S. A. Kononov , K. Yu. Kotov , E. A. Kravchenko , V. N. Kudryavtsev , V. F. Kulikov , G. Ya. Kurkin , E. A. Kuper , E. B. Levichev , D. A. Maksimov , V. M. Malyshev , A. L. Maslennikov , A. S. Medvedko , O. I. Meshkov , S. I. Mishnev , I. I. Morozov , N. Yu. Muchnoi , V. V. Neufeld , S. A. Nikitin , I. B. Nikolaev , I. N. Okunev , A. P. Onuchin , S. B. Oreshkin , I. O. Orlov , A. A. Osipov , S. V. Peleganchuk , S. G. Pivovarov , P. A. Piminov , V. V. Petrov , A. O. Poluektov , V. G. Prisekin , A. A. Ruban , V. K. Sandyrev , G. A. Savinov , A. G. Shamov , D. N. Shatilov , B. A. Shwartz , E. A. Simonov , S. V. Sinyatkin , A. N. Skrinsky , V. V. Smaluk , A. V. Sokolov , A. M. Sukharev , E. V. Starostina , A. A. Talyshev , V. A. Tayursky , V. I. Telnov , Yu. A. Tikhonov , K. Yu. Todyshev , G. M. Tumaikin , Yu. V. Usov , A. I. Vorobiov , A. N. Yushkov , V. N. Zhilich , V. V. Zhulanov , A. N. Zhuravlev

Evidence of psi(3770) non-DD-bar Decay to J/psi pi+pi-

Evidence of $\psi(3770)$ decays to a non-${D \bar D}$ final state is observed. A total of $11.8 \pm 4.8 \pm 1.3$ $\psi(3770) \to \PPJP$ events are obtained from a data sample of 27.7 $\rm {pb^{-1}}$ taken at center-of-mass energies around…

High Energy Physics - Experiment · Physics 2012-08-27 BES Collaboration

Measurements of the cross sections for $e^+e^- \to {\rm hadrons}$ at 3.650, 3.6648, 3.773 GeV and the branching fraction for $\psi(3770)\to {\rm non-}D\bar D$

Using the BES-II detector at the BEPC Collider, we measured the lowest order cross sections and the $R$ values ($R=\sigma^0_{e^+e^- \to {\rm hadrons}}/\sigma^0_{e^+e^- \to \mu^+\mu^-}$) for inclusive hadronic event production at the…

High Energy Physics - Experiment · Physics 2008-11-26 M. Ablikim et al.