Results 51 to 60 of about 523 (135)
International Journal of Modern Physics A, 2006 The Beijing Electron Collider has been upgraded (BEPCII) to a two-ring collider with a design luminosity of 1 × 1033 cm -2 s -1 at a center-of-mass energy of 3.78 GeV. It will operate between 2 and 4.6 GeV in the center of mass. With this luminosity, the BESIII detector will be able to collect, for example, 10 billion J/ψ events in one year of running.
openaire +3 more sources
Semileptonic Transition of Tensor χc2(1P) to Ds Meson
Advances in High Energy Physics, Volume 2014, Issue 1, 2014., 2014 Taking into account the two‐gluon condensate corrections, the transition form factors of the semileptonic χc2→Dsl-ν(l=e,μ) decay channel are calculated via three‐point QCD sum rules. These form factors are used to estimate the decay width of the transition under consideration in both electron and muon channels.
J. Y. Sungu +3 more
wiley +1 more source
Identification of deuterons at BESIII*
Chinese Physics CAbstract The identification of deuterons with momenta in the range of 0.52−0.72 GeV/c is studied with specific ionization energy loss information using a data sample collected by the BESIII detector at center-of-mass energies between 4.009 and 4.946 GeV. Clean deuteron samples are selected using time of flight information.
Wang, Wei +3 more
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Strange quarkonium states at BESIII [PDF]
Chinese Physics C, 2015 We present physics opportunities and topics with the $s\bar{s}$ states (strangeonia) that can be studied with the BESIII detector operating at the BEPCII collider. Though the $ϕ$ and $η/η^\prime$ states have long been established experimentally, only a handful of strangeonia are well known, in contrast to the rich $c\bar{c}$ charmoium system.
Liu, Pei-Lian +2 more
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Light meson spectroscopy at BESIII
EPJ Web of Conferences, 2016 The BESIII collaboration has collected a sample of 1.311 billion J/ψ events since 2009. In this talk, we will introduce four recent analyses on light meson spec-troscopy at BESIII, including two studies on the X(1835) and two partial wave analyses that ...
Min Tianjue
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Exotic hadrons from BESIII [PDF]
EPJ Web of Conferences, 2019 We report the progress in the study of the exotic hadrons, also called XYZ states, at BESIII experiment with its unique data samples in e+ e− annihilation at center-of-mass energies of 3.8–4.6 GeV.
Yuan Chang-Zheng
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X(1870) and η2(1870): Which Can Be Assigned as a Hybrid State?
Advances in High Energy Physics, Volume 2013, Issue 1, 2013., 2013 The mass spectrum and strong decays of the X(1870) and η2(1870) are analyzed. Our results indicate that X(1870) and η2(1870) are the two different resonances. The narrower X(1870) seems likely a good hybrid candidate. We support the η2(1870) as the η2(21D2) quarkonium. We suggest to search the isospin partner of X(1870) in the channels of J/ψ⟶ρf0(980)π
Bing Chen +3 more
wiley +1 more source
Measurement of hadron form factors at BESIII
EPJ Web of Conferences, 2018 The BESIII experiment, operated at the BEPCII e+e- collider in Beijing, has acquired large data sets at center-of-mass energies between 2.0 GeV and 4.6 GeV.
Redmer Christoph Florian
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dE/dx Software in the BESIII Experiment [PDF]
EPJ Web of ConferencesThe BESIII experiment functions as an electron-positron collider in the tau-charm energy region, dedicated to investigating various physics objectives related to charm, charmonium, and light hadron decays.
Fang Wenxing, Li Weidong, Sun Shengsen
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The γγ Physics Program at BESIII
EPJ Web of Conferences, 2018 A key motivation for the two-photon physics program of the BESIII collaboration is the need of high precision data on electromagnetic transition form factors as input to the calculations of the contribution of hadronic Light-by-light scattering to the ...
Redmer C.F.
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