SCOAP3 Repository 46 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. Measurement of the integrated Luminosities of cross-section scan data samples around the (3770) mass regionSupported by National Key Basic Research Program of China (2015CB856700), National Natural Science Foundation of China (NSFC) (11235011, 11335008, 11425524, 11625523, 11635010), the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program, the CAS Center for Excellence in Particle Physics (CCEPP), Joint Large-Scale Scientific Facility Funds of the NSFC and CAS (U1332201, U1532257, U1532258), CAS Key Research Program of Frontier Sciences (QYZDJ-SSW-SLH003, QYZDJ-SSW-SLH040), 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 under Contracts Nos. 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 Science and Technology fund, The Swedish Research Council, U. S. Department of Energy (DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0010504, DE-SC-0012069), 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. ; Albrecht, M. ; et al
To investigate the nature of the (3770) resonance and to measure the cross section for , a cross-section scan data sample, distributed among 41 center-of-mass energy points from 3.73 to 3.89 GeV, was taken with the BESIII detector operated at the BEPCII collider in the year 2010. [...]
Published in Chinese Phys. C 42 (2018) 063001 10.1088/1674-1137/42/6/063001 arXiv:1803.03802
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3. Observation of ψ (3686)→ η ′ e + e − / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay ψ(3686)→η′e+e− , with significances of 7.0 σ and 6.3 σ when reconstructing the η′ meson via its decay modes η′→γπ+π− and η′→π+π−η ( η→γγ ), respectively. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.05.038
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4. Search for the rare decay of ψ(3686)Λc+p¯e+e+c.c. at BESIII / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Based on a data sample of (448.1±2.9)×106ψ(3686) decays collected with the BESIII experiment, a search for the flavor changing neutral current transition ψ(3686)Λc+p¯e+e+c.c. is performed for the first time. [...]
Published in Physical Review D 97 (2018) 10.1103/PhysRevD.97.091102 arXiv:1802.04057
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5. Search for the rare decays Dh(h())e+e / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
We search for rare decays of D mesons to hadrons accompanied by an electron-positron pair (h(h())e+e), using an e+e collision sample corresponding to an integrated luminosity of 2.93 fb1 collected with the BESIII detector at s=3.773 GeV. [...]
Published in Physical Review D 97 (2018) 10.1103/PhysRevD.97.072015 arXiv:1802.09752
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6. Study of two-photon decays of pseudoscalar mesons via J/ψ radiative decays / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a sample of 4.48×108 ψ(3686) events collected with the BESIII detector at the BEPCII collider, we study the two-photon decays of the pseudoscalar mesons π0, η, η, η(1405), η(1475), η(1760), and X(1835) in J/ψ radiative decays using ψ(3686)π+πJ/ψ events. [...]
Published in Physical Review D 97 (2018) 10.1103/PhysRevD.97.072014 arXiv:1802.09854
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7. Measurement of e+eKK¯J/ψ cross sections at center-of-mass energies from 4.189 to 4.600 GeV / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
We investigate the process e+eKK¯J/ψ at center-of-mass energies from 4.189 to 4.600 GeV using 4.7 fb1 of data collected by the BESIII detector at the BEPCII collider. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.071101 arXiv:1802.01216
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8. Measurement of singly Cabibbo-suppressed decays D 0  →  π 0 π 0 π 0 , π 0 π 0 η , π 0 ηη and ηηη / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of e+e− collision data corresponding to an integrated luminosity of 2.93 fb−1 collected with the BESIII detector at a center-of-mass energy of s=3.773GeV , we search for the singly Cabibbo-suppressed decays D0→π0π0π0 , π0π0η , π0ηη and ηηη using the double tag method. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.04.017
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9. Measurements of absolute branching fractions for D mesons decays into two pseudoscalar mesons / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of e+e collision data with an integrated luminosity of 2.93 fb1 taken at the center-of-mass energy s=3.773 GeV with the BESIII detector operating at the BEPCII storage rings, we measure the absolute branching fractions of the two-body hadronic decays D+π+π0, K+π0, π+η, K+η, π+η, K+η, KS0π+, KS0K+, and D0π+π, K+K, Kπ±, KS0π0, KS0η, KS0η. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.072004 arXiv:1802.03119
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10. Measurement of the absolute branching fraction of Ds0*(2317)±π0Ds± / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
The process e+eDs*+Ds0*(2317)+c.c. is observed for the first time with the data sample of 567 pb1 collected with the BESIII detector operating at the BEPCII collider at a center-of-mass energy s=4.6 GeV. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.051103 arXiv:1711.08293
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17 Achasov, M.N.
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