Erişim şekli için "info:eu-repo/semantics/openAccess" WoS İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 719, listelenen: 481-500
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Observation of The Decay D0 →ρ-μ+νμ
(American Physical Society, 2021)By analyzing an e+e- annihilation data sample corresponding to an integrated luminosity of 2.93 fb-1 collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the branching fraction of the ... -
Observation of the decay Lambda(+)(c) -> Sigma(-)pi(+)pi(+)pi(0)
(Elsevier Science, 2017)We report the first observation of the decay Lambda(+)(c) -> Sigma(-)pi(+)pi(+)pi(0), based on data obtained in e(+)e(-) annihilations with an integrated luminosity of 567 pb(-1) at vs = 4.6 GeV. The data were collected ... -
Observation of the Decay X (3872) ??0?c1 (1P)
(American Physical Society, 2019)Using a total of 9.0 fb-1 of e+e- collision data with center-of-mass energies between 4.15 and 4.30 GeV collected by the BESIII detector, we search for the processes e+e-??X(3872) with X(3872)??0?cJ for J=0, 1, 2. We report ... -
Observation of the decays chi(cJ) -> phi phi eta
(Amer Physical Soc., 2020)Using a data sample of (448.1 +/- 2.9) x 10( )(6)psi(3686) decays collected by the BESIII detector at the Beijing Electron Positron Collider (BEPCII), we observe the decays chi(cJ) -> phi phi eta (J = 0, 1, 2), where the ... -
Observation of the decays chi(cJ) -> Sigma(0)(p)over-barK(+) + c.c. (J=0,1,2)
(Amer Physical Soc., 2020)The decays chi(cJ) -> Sigma(0)(p) over barK(+) + c.c. (J = 0,1,2) are studied via the radiative transition psi(3686) ->gamma chi(cJ) based on a data sample of (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the ... -
Observation of the double Dalitz decay eta' -> e(+)e(-)e(+)e(-)
(Observation of the double Dalitz decay η′ →e+e-e+e-, 2022)Based on (10087±44)×106 J/ψ events collected with the BESIII detector at BEPCII, the double Dalitz decay η′→e+e-e+e-is observed for the first time via the J/ψ→γη′ decay process. The significance is found to be 5.7σ with ... -
Observation of the Doubly Cabibbo-Suppressed Decay D+ -> K+ pi(+) pi(-) pi(0) and Evidence for D+ -> K+ omega
(Amer Physical Soc., 2020)Using 2.93 fb(-1) of e(+)e(-) collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, the first observation of the doubly Cabibbo-suppressed decay D+-> K+pi(+)pi(-)pi(0) is reported. After ... -
Observation of the doubly Cabibbo-suppressed decays D + → K + π 0 π 0 and D + → K + π 0 η
(Springer Science and Business Media Deutschland GmbH, 2022)By analyzing e+e− annihilation data corresponding to an integrated luminosity of 2.93 fb−1 collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first observations of the doubly ... -
Observation of the doubly radiative decay eta ' -> gamma gamma pi(0)
(Amer Physical Soc., 2017)Based on a sample of 1.31 billion J/psi events collected with the BESIII detector, we report the study of the doubly radiative decay eta' -> gamma gamma pi(0) for the first time, where the eta' meson is produced via the ... -
Observation of the electromagnetic doubly OZI-suppressed decay J /? ???0
(American Physical Society, 2015)Using a sample of 1.31 billion J/? events accumulated with the BESIII detector at the BEPCII collider, we report the observation of the decay J/????0, which is the first evidence for a doubly Okubo-Zweig-Iizuka suppressed ... -
Observation of the helicity-selection-rule suppressed decay of the chi(c2) charmonium state
(Amer Physical Soc., 2017)The decays of chi(c2) -> K+K- pi(0), KSK +/-pi(-/+), and pi(+)pi(-)pi(0) are studied with the psi(3686) data samples collected with the Beijing Spectrometer ( BESIII). For the first time, the branching fractions of chi(c2) ... -
Observation of the isospin-violating decay J /? ???0f0 (980)
(American Physical Society, 2015)Using a sample of 1.31×109 J/? events collected with the BESIII detector at the BEPCII collider, the decays J/????+?-?0 and J/????0?0?0 are investigated. The isospin-violating decay J/????0f0(980) with f0(980)??? is observed ... -
Observation of the Leptonic Decay D+ →τ+ντ
(American Physical Society, 2019)We report the first observation of D+→τ+ντ with a significance of 5.1σ. We measure B(D+→τ+ντ)=(1.20±0.24stat±0.12syst)×10-3. Taking the world average B(D+→μ+νμ)=(3.74±0.17)×10-4, we obtain Rτ/μ=Γ(D+→τ+ντ)/Γ(D+→μ+νμ)=3.21 ... -
Observation of the Semileptonic D+ Decay into the K 1 (1270)0 Axial-Vector Meson
(American Physical Society, 2019)By analyzing a 2.93 fb-1 data sample of e+e- collisions, recorded at a center-of-mass energy of 3.773 GeV with the BESIII detector operated at the BEPCII collider, we report the first observation of the semileptonic D+ ... -
Observation of the Semileptonic Decay D-0 -> a(0)(980)(-)e(+)nu(e) and Evidence for D+ -> a(0)(980)(0)e(+)nu(e)
(Amer Physical Soc., 2018)Using an e(+)e(-) collision data sample of 2.93 fb(-1) collected at a center-of-mass energy of 3.773 GeV by the BESIII detector at BEPCII, we report the observation of D-0 -> a(0)(980)(-)e(+)nu(e) and evidence for D+ -> ... -
Observation of the semimuonic decay D+ -> omega mu(+)upsilon(mu)
(Amer Physical Soc., 2020)We report the first observation of the semimuonic decay D+ -> omega mu(+)upsilon(mu) using an e(+)e(-) collision data sample corresponding to an integrated luminosity of 2.93 fb(-1) collected with the BESIII detector at a ... -
Observation of the Singly Cabibbo-Suppressed Decay D + › ? ? + and Evidence for D 0 › ? ? 0
(APS Physics, 2016)Based on 2.93 fb-1 e +e - collision data taken at center-of-mass energy of 3.773 GeV by the BESIII detector, we report searches for the singly Cabibbo-suppressed decays D + › ??+ and D 0 › ??0 . A double tag technique is ... -
Observation of the W-annihilation decay D-s(+) -> omega pi(+) and evidence for D-s(+) -> omega K+
(Amer Physic Soc., 2019-05-13)We report the observation of W-annihilation decay D-s(+) -> omega pi(+) and evidence for D-s(+) -> omega K+ in a data sample corresponding to an integrated luminosity of 3.19 fb(-1) collected with the BESIII detector at a ... -
Observation of the Y(4220) and Y(4390) in the process e(+)e(-) -> eta J/psi
(Amer Physical Soc., 2020)The cross sections of the process e(+)e(-) -> eta J/psi lip at center-of-mass energies (root s) between 3.81 and 4.60 GeV are measured with high precision by using data samples collected with the BESIII detector operating ... -
Observation of X(2370) and search for X(2120) in J/ ψ→ γKK¯ η′ : BESIII Collaboration
(Springer, 2020)Using a sample of 1.31x109<mml:mspace width="3.33333pt"></mml:mspace>J/psi events collected with the BESIII detector, we perform a study of J/psi -> gamma KK<overbar></mml:mover>eta '. X(2370) is observed in the ...