Perspective study of charmonium and exotics above the D\(\bar D\) threshold
- Авторлар: Barabanov M.Y.1, Vodopyanov A.S.1, Zinchenko A.I.1, Olsen S.L.2
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Мекемелер:
- Joint Institute for Nuclear Research
- Center for Underground Physics
- Шығарылым: Том 79, № 1 (2016)
- Беттер: 126-129
- Бөлім: Elementary Particles and Fields
- URL: https://journal-vniispk.ru/1063-7788/article/view/189731
- DOI: https://doi.org/10.1134/S1063778816010063
- ID: 189731
Дәйексөз келтіру
Аннотация
The spectroscopy of exotic states with hidden charm is discussed. Together with charmonium, these provide a good tool for testing theories of the strong interactions including both perturbative and nonperturbative QCD, lattice QCD, potential and other phenomenological models. An elaborated analysis of exotics spectrum is given, and attempts to interpret recent experimentally observed states with masses above the D\(\bar D\) threshold region are considered. Experimental results from different collaborations (BES, BaBar, Belle, LHCb) are analyzed with special attention given to recently discovered hidden charm states. Some of these states can be interpreted as higher-lying charmonium states and others as tetraquarks with hidden charm. It has been shown that charged/neutral tetraquarks must have their neutral/charge partners with mass values differing by at most a few MeV. However, measurements of different decay modes are needed before firm conclusions can be made. These data can be derived directly from the experiments using a high quality antiproton beam with momentum up to 15 GeV/c and proton–proton collisions with momentum up to 26 GeV/c.
Негізгі сөздер
Авторлар туралы
M. Barabanov
Joint Institute for Nuclear Research
Хат алмасуға жауапты Автор.
Email: barabanov@jinr.ru
Ресей, Dubna
A. Vodopyanov
Joint Institute for Nuclear Research
Email: barabanov@jinr.ru
Ресей, Dubna
A. Zinchenko
Joint Institute for Nuclear Research
Email: barabanov@jinr.ru
Ресей, Dubna
S. Olsen
Center for Underground Physics
Email: barabanov@jinr.ru
Корей Республикасы, Seoul
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