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Source: Chinese physics C. 2016. Vol. 40, № 6. P. 063001-1-063001-8
Type: статьи в журналах
Date: 2016
Description:
From 2011 to 2014, the BESIII experiment collected about 5 fb−1 data at center-of-mass energies around 4 GeV for the studies of the charmonium-like and higher excited charmonium states. By analyzing t
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Source: Physical Review Letters. 2015. Vol. 115, № 18. P. 182002 (1-7)
Type: статьи в журналах
Date: 2015
Description:
We report a study of the process e+e−→(D∗D¯∗)0π0 using e+e− collision data samples with integrated luminosities of 1092 pb−1 at s√=4.23 GeV and 826 pb−1 at s√=4.26 GeV collected with the BESIII de
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Source: Physical Review Letters. 2017. Vol. 118, № 9. P. 092002-1-092002-8
Type: статьи в журналах
Date: 2017
Description:
The cross sections of e+e−→π+π−hc at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating at the Beijing Electron Positron Colli
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Source: Physical Review D. 2015. Vol. 91, № 9. P. 092009-1-092009-9
Type: статьи в журналах
Date: 2015
Description:
We report a measurement of the branching fraction for ψ(3770)→γχc1 and search for the transition ψ(3770)→γχc2 based on 2.92 fb−1 of e+e− data accumulated at s√=3.773 GeV with the BESIII detector at
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Source: Physical Review D. 2022. Vol. 105, № 11. P. 112010-1-112010-8
Type: статьи в журналах
Date: 2022
Description:
Based on (0087 +/- 44) x 10(6) J/psi events collected with the BESIII detector at BEPCII, the double Dalitz decay eta' -> e(+)e(-)e(+)e(-) is observed for the first time via the J/psi -> gamma eta' de
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112018-1-112018-9
Type: статьи в журналах
Date: 2015
Description:
We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions χc0,2→π0ηc. The measurements are performed using 106×106 ψ(3686) events accumulated with th
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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012001-1-012001-11
Type: статьи в журналах
Date: 2015
Description:
We report the first observation of the Dalitz decay η′→γe+e−, based on a data sample of 1.31 billion J/ψ events collected with the BESIII detector. The η′ mesons are produced via the J/ψ→γη′ decay pro
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Authors:
Butler, A. |
Bell, Steven J. |
Chelkov, G. A. |
Dedovich, D. V. |
Demichev, M. A. |
Elkin, V. G. |
Gostkin, M. I. |
Kotov, S. A. |
Kozhevnikov, D. A. |
Kruchonak, U. G. |
Butler, P. |
Nozdrin, A. A. |
Porokhovoy, S. Yu. |
Potrap, I. N. |
Smolyanskiy, P. I. |
Zakhvatkin, M. M. |
Zhemchugov, A. S.
Source: Physics of particles and nuclei letters. 2015. Vol. 12, № 1. P. 59-73
Type: статьи в журналах
Date: 2015
Description:
This paper describes an iterative method of per-pixel energy calibration of hybrid pixel detectors with GaAs:Cr sensor and Timepix readout chip. A convolution of precisely measured spectra of characte
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Source: Physical Review D. 2015. Vol. 91, № 3.P. 032002-1-032002-11
Type: статьи в журналах
Date: 2015
Description:
Using data samples collected at center-of-mass energies s√=4.23, 4.26, and 4.36 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the production of the charmoniumlike st
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Source: Physical Review D. 2015. Vol. 91, № 5. P. 052017-1-052017-11
Type: статьи в журналах
Date: 2015
Description:
Based on a sample of 2.25×108J/ψ events taken with the BESIII detector at the BEPCII collider, we present the results of a study of the decay J/ψ→ηϕπ+π−. The Y(2175) resonance is observed in the invar
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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012007-1-012007-11
Type: статьи в журналах
Date: 2015
Description:
Using a sample of 1.31×109 J/ψ events collected with the BESIII detector at the BEPCII collider, the decays J/ψ→ϕπ+π−π0 and J/ψ→ϕπ0π0π0 are investigated. The isospin-violating decay J/ψ→ϕπ0f0(980) wit
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112008-1-112008-16
Type: статьи в журналах
Date: 2015
Description:
Using a data sample of 106 million ψ(3686) events collected with the BESIII detector operated at the BEPCII storage ring, we study for the first time the decays χcJ→ϕK0SK±π∓ and χcJ→ϕK+K−π0 in the E1
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Source: Physical Review D. 2015. Vol. 92, № 3. P. 032009-1-032009-8
Type: статьи в журналах
Date: 2015
Description:
The decay Zc(3900)±→ωπ± is searched for using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s√=4.23 and 4.26 GeV. No significant signa
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Source: Physical Review D. 2015. Vol. 91, № 11. P. 112001-1-112001-7
Type: статьи в журналах
Date: 2015
Description:
Using a sample of 1.31 billion J/ψ events accumulated with the BESIII detector at the BEPCII collider, we report the observation of the decay J/ψ→ϕπ0, which is the first evidence for a doubly Okubo–Zw
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Source: Physical Review D. 2015. Vol. 92, № 1. P. 012014-1-012014-11
Type: статьи в журналах
Date: 2015
Description:
Based on a sample of 1.31×109 J/ψ events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 η→π+π−π0 events, 33,908 η→π0π0π0 events, and 1,888 η′→π0π0π0
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