Ara
Toplam kayıt 88, listelenen: 71-80
Measurement of the Branching Fraction of and Search for a CP-violating Asymmetry in Eta ' -> pi(+) pi(-) e(+) e(-) at BESIII
(Amer Physical Soc., 2021)
Therare decay eta' -> pi(+) pi(-) e(+) e(-) is studied using a sample of1.3 x 10(9) J/Psi events collected with the BESIII detector at BEPCII in 2009 and 2012. The branching fraction is measured with improved precision to ...
Search for new hadronic decays of h(c) and observation of h(c) -> K+K- pi(+)pi(-)pi(0)
(Amer Physical Soc., 2020)
Ten hadronic final states of the h(c) decays are investigated via the process psi(3686) -> pi(0)h(c), using a data sample of (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector. The decay channel ...
Measurement of Proton Electromagnetic Form Factors in e(+) e(-) -> p(p)over-bar in the Energy Region 2.00-3.08 GeV
(Amer Physical Soc., 2020)
The process of e(+)e(-) -> p (p) over bar is studied at 22 center-of-mass energy points (root s) from 2.00 to 3.08 GeV, exploiting 688.5 pb(-1) of data collected with the BESIII detector operating at the BEPCII collider. ...
Measurement of Proton Electromagnetic form Factors in the Time-like Region Using Initial State Radiation at BESIII
(Elsevier, 2021)
The electromagnetic process e(+)e(-) -> p (p) over bar over bar is studied with the initial-state-radiation technique using 7.5 fb(-1) of data collected by the BESIII experiment at seven energy points from 3.773 to 4.600 ...
Measurements of Absolute Branching Fractions of D-0 -> K-L(0)phi, K-L(0)eta, K-L(0)omega, and K-L(0)eta '
(Amer Physical Soc., 2022)
We report the first measurements of the absolute branching fractions of D-0 -> K-L(0)phi, D-0 -> K-L(0)eta, D-0 -> K-L(0)omega, and D-0 -> K-L(0)eta', by analyzing 2.93 fb(-1) of e(+) e(-) collision data taken at a ...
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 ...
Measurement of singly Cabibbo-suppressed decays D -> omega pi pi
(Amer Physical Soc., 2020)
Using 2.93 fb(-1) of e(+) e(-) collision data taken at a center-of-mass energy of 3.773 GeV by the BESIII detector at the BEPCII, we measure the branching fractions of the singly Cabibbo-suppressed decays D -> omega pi pi ...
Measurement of The Absolute Branching Fractions of J/ψ →γη and η Decay Mode
(American Physical Society, 2021)
Based on a data sample of (1.0087±0.0044)×1010 J/ψ events collected by the BESIII detector at the BEPCII accelerator, the absolute branching fraction (BF) of the decay J/ψ→γη is measured with high precision using events ...
Observation of a structure in e(+)e(-) -> phi eta ' at root s from 2.05 to 3.08 GeV
(Amer Physical Soc., 2020)
The process e(+)e(-) -> phi eta' has been studied for the first time in detail using data sample collected with the BESIII detector at the BEPCII collider at center of mass energies from 2.05 to 3.08 GeV. A resonance with ...
First Measurement of Polarizations in the Decay D-0 -> omega phi
(Amer Physical Soc., 2022)
Using a data sample corresponding to an integrated luminosity of 2.93 fb(-1) collected at a center-of-mass energy root s = 3.773 GeV by the BESIII detector, the decay D-0 -> omega phi is observed for the first time. The ...