Başlık için Mühendislik ve Mimarlık Fakültesi listeleme
Toplam kayıt 715, listelenen: 477-496
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Observation of D0(+) -> K-S(0)pi(0(+))eta ' and improved measurement of D-0 -> K-pi(+)eta '
(Amer Physical Soc., 2018)By analyzing an e(+)e(-) data sample corresponding to an integrated luminosity of 2.93 fb(-1) taken at a centerof- mass energy of 3.773 GeV with the BESIII detector, we measure the branching fractions of the Cabibbofavored ... -
Observation of D0(+) -> K-S(0)pi(0(+))omega and improved measurement of D-0 -> K- pi(+)omega
(AMER PHYSICAL SOC, 2022)By analyzing an e(+)e(-) annihilation data sample with an integrated luminosity of 2.93 fb(-1) taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, we determine the absolute branching fractions of the ... -
Observation of e(+) e(-) -> eta Y(2175) at center-of-mass energies above 3.7 GeV
(Amer Physic Soc., 2019)The state Y(2175) is observed in the process e(+)e(-) -> eta Y(2175) with a statistical significance larger than 10 standard deviations using the data collected with the BESIII detector operating at the BEPCII storage ring ... -
Observation of e(+)e(-) -> eta ' J/psi center-of-mass energies between 4.189 and 4.600 GeV
(AMER PHYSICAL SOC, 2016)The process e(+)e(-) -> eta' J/psi is observed for the first time with a statistical significance of 8.6 sigma at center-of-mass energy root s = 4.226 GeV and 7.3 sigma at root s = 4.258 GeV using data samples collected ... -
Observation of e(+)e(-) -> pi(+) pi(-)psi(3770) and D-1(2420)(0)(D)over-bar(0) + c.c
(American Physical Society, 2019)Several intermediate states of the reaction channels e+e-??+?-D0D?0 and e+e-??+?-D+D- are studied using the data samples collected with the BESIII detector at center-of-mass energies above 4.08 GeV. For the first time in ... -
Observation of e(+)e(-)-> D-s(+)(D)over-bar(()*()0) K- and study of the P-wave D-s mesons
(IOP Publishing, 2019)Studies of e(+)e(-)-> D-s(+)(D) over bar (()*K-)0(-) and the p-wave charmed-strange mesons are performed based on an e(+)e(-) collision data sample corresponding to an integrated luminosity of 567 pb(-1) collected with the ... -
Observation of e(+)e(-)-> eta psi(2S) at Center-of-Mass Energies from 4.236 to 4.600 GeV
(Springer, 2021)Using a total of 5.25 fb(-1) of e(+)e(-) collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e(+)e(-)-> eta psi(2S) with a statistical significance of 4.9 ... -
Observation of eta ' -> pi(+)pi(-)mu(+)mu(-)
(Amer Physical Soc., 2021)Using (1310.6 +/- 7.0) x 10(6) J/psi events acquired with the BESIII detector at the BEPCII storage rings, the decay eta' -> pi(+)pi(-)mu(+)mu(-) is observed for the first time with a significance of 8 sigma via the process ... -
Observation of J/Psi Electromagnetic Dalitz Decays to X(1835), X(2120), and X(2370)
(American Physical Society, 2022)Using a sample of about 1010 J/ψ events collected at a center-of-mass energy s=3.097 GeV with the BESIII detector, the electromagnetic Dalitz decays J/ψ→e+e-π+π-η′, with η′→γπ+π- and η′→π+π-η, have been studied. The decay ... -
Observation of OZI-suppressed decays chi(cJ) -> omega phi
(Amer Physic Soc., 2019)Decays chi(cJ)(J = 0, 1, 2) -> omega phi are studied using (448.1 +/- 2.9) x 10(6)psi(3686) events collected with the BESIII detector in 2009 and 2012. In addition to the previously established chi(c0) -> omega phi, the ... -
Observation of psi(3686) -> eta ' e(+)e(-)
(Elsevier Science Bv., 2018)Using a data sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay psi(3686) -> eta'e(+)e(-), with significances ... -
Observation of psi(3686) -> p(p)over-bar phi
(American Physical Society, 2019)Using a data sample of 4.48×108 ?(3686) events collected with the BESIII detector, we present a first observation of ?(3686)?pp ?, and we measure its branching fraction to be [6.06±0.38(stat)±0.48(syst)]×10-6. In contrast ... -
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 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 Effect of the Increase in Luminance Level on Emotional Assessment in EEG Records Using Welch Method
(IEEE, 2017)The aim of this study is to investigate the effect of the difference in level of luminance of visual stimuli on the emotional evaluation (negative, positive, neutral) from electroencephalogram (EEG) data recorded. EEG ... -
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+ -> ...