SCOAP3 Repository 26 records found  1 - 10nextendSearch took 0.02 seconds. 
1. Precision Study of ηγπ+π Decay Dynamics / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
Using a low background data sample of 9.7×105 J/ψγη, ηγπ+π events, which are 2 orders of magnitude larger than those from the previous experiments, recorded with the BESIII detector at BEPCII, the decay dynamics of ηγπ+π are studied with both model-dependent and model-independent approaches. [...]
Published in Physical Review Letters 120 (2018) 10.1103/PhysRevLett.120.242003 arXiv:1712.01525
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2. Search for hcπ+πJ/ψ via ψ(3686)π0π+πJ/ψ / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
Using a data sample of 448.1×106 ψ(3686) events collected with the BESIII detector operating at the BEPCII, we perform search for the hadronic transition hcπ+πJ/ψ via ψ(3686)π0hc. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.052008 arXiv:1801.03485
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3. Observation of a cross-section enhancement near mass threshold in e+eΛΛ¯ / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
The process e+eΛΛ¯ is studied using data samples at s=2.2324, 2.400, 2.800 and 3.080 GeV collected with the BESIII detector operating at the BEPCII collider. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.032013 arXiv:1709.10236
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4. Determination of the number of ψ(3686) events at BESIIISupported by the Ministry of Science and Technology of China (2009CB825200), National Natural Science Foundation of China (NSFC) (11235011, 11322544, 11335008, 11425524, 11475207), the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program, the Collaborative Innovation Center for Particles and Interactions (CICPI), Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (11179014), Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (11179007, U1232201, U1532257, U1532258), Joint Funds of the National Natural Science Foundation of China (11079008), CAS (KJCX2-YW-N29, KJCX2-YW-N45), 100 Talents Program of CAS, National 1000 Talents Program of China, German Research Foundation DFG (Collaborative Research Center CRC 1044), Istituto Nazionale di Fisica Nucleare, Italy, Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) (530-4CDP03), Ministry of Development of Turkey (DPT2006K-120470), National Natural Science Foundation of China (11205082), The Swedish Research Council, U. S. Department of Energy (DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0010504), U.S. National Science Foundation, University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt, WCU Program of National Research Foundation of Korea (R32-2008-000-10155-0). / Ablikim, M. ; Achasov, M. N. ; Ai, X. C. ; Ambrose, D. J. ; et al
The numbers of ψ(3686) events accumulated by the BESIII detector for the data taken during 2009 and 2012 are determined to be and , respectively, by counting inclusive hadronic events, where the uncertainties are systematic and the statistical uncertainties are negligible. [...]
Published in Chinese Phys. C 42 (2018) 023001 10.1088/1674-1137/42/2/023001 arXiv:1709.03653
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5. Measurement of integrated luminosity and center-of-mass energy of data taken by BESIII at Supported in part by National Key Basic Research Program of China (2015CB856700), National Natural Science Foundation of China (NSFC) (11235011, 11322544, 11335008, 11425524, 11635010, 11675184, 11735014), the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); the Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (U1232201, U1332201, U1532257, U1532258), CAS (KJCX2-YW-N29, KJCX2-YW-N45), 100 Talents Program of CAS; National 1000 Talents Program of China; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG (Collaborative Research Center CRC 1044, FOR 2359), Istituto Nazionale di Fisica Nucleare, Italy; Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) (530-4CDP03), Ministry of Development of Turkey (DPT2006K-120470), National Natural Science Foundation of China (NSFC) (11505010), The Swedish Resarch Council; U. S. Department of Energy (DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0010504, DE-SC-0012069), U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea (R32-2008-000-10155-0) / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
To study the nature of the state Y (2175), a dedicated data set of e+e− collision data was collected at the center-of-mass energy of 2.125 GeV with the BESIII detector at the BEPCII collider. [...]
Published in Chinese Phys. C 41 (2017) 113001 10.1088/1674-1137/41/11/113001 arXiv:1705.09722
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6. Dark photon search in the mass range between 1.5 and 3.4 GeV/ c 2 / Ablikim, M. ; Achasov, M.N. ; Ai, X.C. ; Albayrak, O. ; et al
Using a data set of 2.93 fb −1 taken at a center-of-mass energy s=3.773 GeV with the BESIII detector at the BEPCII collider, we perform a search for an extra U(1) gauge boson, also denoted as a dark photon. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.09.067
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7. Measurement of cross sections of the interactions e + e − → ϕϕω and e + e − → ϕϕϕ at center-of-mass energies from 4.008 to 4.600 GeV / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Ai, X.C. ; et al
Using data samples collected with the BESIII detector at the BEPCII collider at six center-of-mass energies between 4.008 and 4.600 GeV, we observe the processes e+e−→ϕϕω and e+e−→ϕϕϕ . [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.09.021
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8. Luminosity measurements for the R scan experiment at BESIIISupported by National Key Basic Research Program of China (2015CB856700), National Natural Science Foundation of China (NSFC) (10935007, 11121092, 11125525, 11235011, 11322544, 11335008, 11375170, 11275189, 11079030, 11475164, 11475169, 11005109, 10979095, 11275211), Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (11179007, U1232201, U1332201, U1532102). (KJCX2-YW-N29, KJCX2-YW-N45). 100 Talents Program of CAS, INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology, German Research Foundation DFG (Collaborative Research Center CRC-1044), Istituto Nazionale di Fisica Nucleare, Italy, Ministry of Development of Turkey (DPT2006K-120470), Russian Foundation for Basic Research (14-07-91152), U. S. Department of Energy (DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118), U.S. National Science Foundation, University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt, WCU Program of National Research Foundation of Korea (R32-2008-000-10155-0) / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
By analyzing the large-angle Bhabha scattering events e+e− → (γ)e+e− and diphoton events e+e− → (γ)γγ for the data sets collected at center-of-mass (c.m.) energies between 2.2324 and 4.5900 GeV (131 energy points in total) with the upgraded Beijing Spectrometer (BESIII) at the Beijing Electron-Positron Collider (BEPCII), the integrated luminosities have been measured at the different c.m. [...]
Published in Chinese Phys. C 41 (2017) 063001 10.1088/1674-1137/41/6/063001 arXiv:1702.04977
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9. Measurements of cross section of e+e−→pp¯π0 at center-of-mass energies between 4.008 and 4.600 GeV / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Ai, X.C. ; et al
Based on e+e− annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of e+e−→pp¯π0 are performed. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.05.033
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10. Study of J / ψ and ψ(3686)→Σ(1385)0Σ¯(1385)0 and Ξ0Ξ¯0 / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Ai, X.C. ; et al
We study the decays of J/ψ and ψ(3686) to the final states Σ(1385)0Σ¯(1385)0 and Ξ0Ξ¯0 based on a single baryon tag method using data samples of (1310.6±7.0)×106 J/ψ and (447.9±2.9)×106 ψ(3686) events collected with the BESIII detector at the BEPCII collider. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.04.048
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14 Ai, X.C.
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