SCOAP3 Repository 88 records found  1 - 10nextendSearch took 0.02 seconds. 
1. Precision Measurement of the Branching Fractions of η Decays / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Based on a sample of (1310.6±7.0)×106J/ψ events collected with the BESIII detector, we present measurements of J/ψ and η absolute branching fractions using the process J/ψγη. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.142002 arXiv:1902.03823
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2. Search for the decay Ds+γe+νe / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
A search for the rare radiative leptonic decay Ds+γe+νe is performed for the first time using electron-positron collision data corresponding to an integrated luminosity of 3.19 fb1, collected with the BESIII detector at a center-of-mass energy of 4.178 GeV. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.072002 arXiv:1902.03351
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3. Measurement of the branching fraction of J/ψωηπ+π and search for J/ψωX(1835), X(1835)ηπ+π decay / Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; Ahmed, S. ; et al
Using a sample of 1.31×109 J/ψ events collected by the BESIII detector at BEPCII during 2009 and 2012, we study the J/ψωηπ+π hadronic process. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.071101 arXiv:1902.04862
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4. Search for rare decay J/ψϕe+e / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of 448.1×106 ψ(3686) events collected at s=3.686 GeV with the BESIII detector at the Beijing Electron-Positron Collider II, we search for the rare decay J/ψϕe+e via ψ(3686)π+πJ/ψ. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.052010 arXiv:1902.01447
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5. Measurement of the Dynamics of the Decays Ds+η()e+νe / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using e+e annihilation data corresponding to an integrated luminosity of 3.19 fb1 collected at a center-of-mass energy of 4.178 GeV with the BESIII detector, we measure the absolute branching fractions BDs+ηe+νe=(2.323±0.063stat±0.063syst)% and BDs+ηe+νe=(0.824±0.073stat±0.027syst)% via a tagged analysis technique, where one Ds is fully reconstructed in a hadronic mode. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.121801 arXiv:1901.02133
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6. Observation of χcJ4KS0 / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
By analyzing (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays of χcJ4KS0 (J=0, 1, 2) are observed for the first time with statistical significances of 26.5σ, 5.9σ and 11.4σ, respectively. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.052008 arXiv:1901.08207
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7. Evidence of a Resonant Structure in the e+eπ+D0D* Cross Section between 4.05 and 4.60 GeV / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
The cross section of the process e+eπ+D0D* for center-of-mass energies from 4.05 to 4.60 GeV is measured precisely using data samples collected with the BESIII detector operating at the BEPCII storage ring. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.102002 arXiv:1808.02847
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8. Study of electromagnetic Dalitz decays χcJμ+μJ/ψ / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using 4.48×108 ψ(3686) events collected with the BESIII detector, we search for the decays χcJμ+μJ/ψ through the radiative decays ψ(3686)γχcJ, where J=0, 1, 2. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.051101 arXiv:1901.06627
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9. Measurement of the phase between strong and electromagnetic amplitudes of J / ψ decays / Ablikim, M. ; Achasov, M.N. ; Ahmed, S. ; Albrecht, M. ; et al
Using 16 energy points of e+e− annihilation data collected in the vicinity of the J/ψ resonance with the BESIII detector and with a total integrated luminosity of around 100pb−1 , we study the relative phase between the strong and electromagnetic amplitudes of J/ψ decays. [...]
Published in Physics letters B 791 (2019) 375-384 10.1016/j.physletb.2019.03.001
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10. Determination of the Pseudoscalar Decay Constant fDs+ via Ds+μ+νμ / Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a 3.19 fb1 data sample collected at an e+e center-of-mass energy of Ecm=4.178 GeV with the BESIII detector, we measure the branching fraction of the leptonic decay Ds+μ+νμ to be BDs+μ+νμ=(5.49±0.16stat±0.15syst)×103. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.071802 arXiv:1811.10890
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SCOAP3 Repository : 88 records found   1 - 10nextend
See also: similar author names
20 Achasov, M.N.
2 Achasov, M. N.
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