Measurement of ψ(3770) parameters with KEDR detector at VEPP-4M.

被引:0
|
作者
Todyshev, Korneliy Yu. [1 ]
机构
[1] Budker Inst Nucl Phys, Novosibirsk, Russia
关键词
E&E-ANNIHILATION;
D O I
暂无
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We present a measurement of the mass and total width of the psi (3770) meson. Results were obtained using data collected with the KEDR detector at the electron-positron accelerator complex VEPP-4M. We suggest a consistent way to describe the psi (3770) lineshape which includes interference between resonant and non-resonant D (D) over bar production. The results are : M-psi(3770) = 3778.0(-1.5)(+ 1.6) (+ 0.6)(-0.7) MeV, Gamma(psi)(3770) = 22.4(-3.4)(+3.9) (+0.6)(-0.5) MeV.
引用
收藏
页数:3
相关论文
共 50 条
  • [41] Study of the ρ, ω, ϕ→ηγ→7γ decays with an SND detector on a VEPP-2M collider
    M. N. Achasov
    S. E. Baru
    K. I. Beloborodov
    A. V. Berdyugin
    A. V. Bozhenok
    A. G. Bogdanchikov
    D. A. Bukin
    S. V. Burdin
    A. V. Vasil’ev
    Yu. S. Velikzhanin
    T. V. Dimova
    V. P. Druzhinin
    M. S. Dubrovin
    D. I. Ganyushin
    I. A. Gaponenko
    V. B. Golubev
    V. N. Ivanchenko
    I. A. Koop
    A. A. Korol’
    S. V. Koshuba
    G. A. Kukartsev
    E. V. Pakhtusova
    A. A. Sal’nikov
    S. I. Serednyakov
    V. V. Sharyi
    Yu. M. Shatunov
    V. A. Sidorov
    Z. K. Silagadze
    Journal of Experimental and Theoretical Physics Letters, 2000, 72 : 282 - 285
  • [42] A DRIFT CHAMBER FOR THE CMD-2 DETECTOR AT VEPP-2M
    AULCHENKO, VM
    KHAZIN, BI
    SOLODOV, EP
    SNOPKOV, IG
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1986, 252 (2-3): : 299 - 303
  • [43] Study of the ρ, ω, Φ→ηγ→7γ decays with an SND detector on a VEPP-2M collider
    Achasov, MN
    Baru, SE
    Beloborodov, KI
    Berdyugin, AV
    Bozhenok, AV
    Bogdanchikov, AG
    Bukin, DA
    Burdin, SV
    Vasil'ev, AV
    Velikzhanin, YS
    Dimova, TV
    Druzhinin, VP
    Dubrovin, MS
    Ganyushin, DI
    Gaponenko, IA
    Golubev, VB
    Ivanchenko, VN
    Koop, IA
    Korol, AA
    Koshuba, SV
    Kukartsev, GA
    Pakhtusova, EV
    Sal'nikov, AA
    Serednyakov, SI
    Sharyi, VV
    Shatunov, YM
    Sidorov, VA
    Silagadze, ZK
    JETP LETTERS, 2000, 72 (06) : 282 - 285
  • [44] DRIFT CHAMBER FOR THE CMD-2 DETECTOR AT VEPP-2M.
    Aulchenko, V.M.
    Khazin, B.I.
    Solodov, E.P.
    Snopkov, I.G.
    Nuclear instruments and methods in physics research, 1986, A252 (2-3): : 299 - 303
  • [45] Status of laser polarimeter at VEPP-4M
    Blinov, V. E.
    Bedareva, T., V
    Zakharov, S. A.
    Kaminskiy, V. V.
    Kudryavtsev, V. N.
    Muchnoi, N. Yu
    Nikitin, S. A.
    Nikolaev, I. B.
    Shekhtman, L., I
    JOURNAL OF INSTRUMENTATION, 2020, 15 (08):
  • [46] STORAGE-RINGS VEPP-2M, VEPP-3 AND VEPP-4 AS SOURCES OF SYNCHROTRON RADIATION
    BUDKER, GI
    KULIPANOV, GN
    MISHNEV, SI
    PROTOPOPOV, IY
    SKRINSKY, AN
    TUMAIKIN, GM
    SHATUNOV, YM
    NUCLEAR INSTRUMENTS & METHODS, 1978, 152 (01): : 8 - 8
  • [47] Positron Injector of the VEPP-4M Collider
    Neufeld, V. V.
    Petrov, V. V.
    PHYSICS OF PARTICLES AND NUCLEI LETTERS, 2016, 13 (07) : 893 - 896
  • [48] Experiments with Synchrotron Radiation at the VEPP-4M
    Baranov, G.
    Borin, V.
    Zhuravlev, A.
    Zolotarev, K.
    Karnaev, S.
    Kuper, K.
    Levichev, E.
    Meshkov, O.
    Mishnev, S.
    Nikolaev, I.
    Nikolenko, A.
    Piminov, P.
    JOURNAL OF SURFACE INVESTIGATION, 2020, 14 (01): : 150 - 154
  • [49] Experiments with Synchrotron Radiation at the VEPP-4M
    G. Baranov
    V. Borin
    A. Zhuravlev
    K. Zolotarev
    S. Karnaev
    K. Kuper
    E. Levichev
    O. Meshkov
    S. Mishnev
    I. Nikolaev
    A. Nikolenko
    P. Piminov
    Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques, 2020, 14 : 150 - 154
  • [50] BPM System for VEPP-4M Collider
    Bekhtenev, E. A.
    Karpov, G. V.
    PHYSICS OF PARTICLES AND NUCLEI LETTERS, 2018, 15 (07) : 929 - 932