Ara
Toplam kayıt 157, listelenen: 111-120
Search for rare decay J /? ??e+e-
(American Physical Society, 2019)
Using a data sample of 448.1×106 ?(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/???e+e- via ?(3686)??+?-J/?. No signal events ...
Amplitude analysis and branching fraction measurement of D-0 -> K-pi(+)pi(0)pi(0)
(Amer Physical Soc., 2019)
Utilizing the dataset corresponding to an integrated luminosity of 2.93 fb(-1) at root s = 3.773 GeV collected by the BESIII detector, we report the first amplitude analysis and branching fraction measurement of the D-0 ...
Precision measurements of the e(+)e(-) -> (KSK +/-)-K-0 pi(-/+) Born cross sections at center-of-mass energies between 3.8 and 4.6 GeV
(Amer Physic Soc., 2019-04-11)
Using data samples collected by the BESIII detector operating at the BEPCII storage ring, we measure the e(+)e(-) -> (KSK +/-)-K-0 pi(-/+ )Born cross sections at center-of-mass energies between 3.8 and 4.6 GeV, corresponding ...
Observation of a Resonant Structure in e(+)e(-)-> Omega Eta and Another in e(+)e(-)-> Omega pi(0) at center-of-mass Energies Between 2.00 and 3.08 GeV
(Elsevier, 2021)
Born cross sections for the processes e(+)e(-) -> omega eta and e(+)e(-) -> omega pi(0) have been determined for centerof-mass energies between 2.00 and 3.08GeVwith the BESIII detector at the BEPCII collider. The results ...
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 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 ...
Cross Sections for the Reactions e(+)e(-) -> K+ K- pi(+)pi(-) (x0), K+K-K+K- (pi(0)), pi(+)pi(-)pi(+)pi(-) (x(0)), pp over bar pi(+)pi(-) (pi(0)) in the Energy Region Between 3.773 and 4.600 GeV
(Amer Physical Soc., 2021)
Using the data samples collected in the energy range from 3.773 to 4.600 GeV with the BESIII detector at the BEPCII collider, we measure the dressed cross sections as a function of center-of-mass energy for e(+)e(-) -> ...
Study of e(+)e(-) -> pi X-0(3872)gamma and search for Z(c)(4020)(0) -> X(3872)gamma
(Amer Physical Soc., 2021)
Using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of- mass energies from 4.178 to 4.600 GeV, we study the process e(+)e(-) pi X-0(3872)gamma and search for Z(c)(4020)(0) ...
Measurements of the Branching Fractions of psi(3686) -> (Sigma)over-bar(0)Lambda + c.c: and chi cJ(J=0,1,2) -> Lambda(Lambda)over-bar
(Amer Physical Soc., 2021)
Based on 4.481 x 10(8) psi(3686) events collected with the BESIII detector at BEPCII, the branching fraction of the isospin violating decay psi(3686)-> (Sigma) over bar0 Lambda+c.c: is measured to be (1.60 +/- 0.31 +/- ...
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 ...