Güncel Gönderiler: Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical and Electronics Engineering
Toplam kayıt 350, listelenen: 101-120
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Measurement of Cross Section for e(+)e(-) -> Xi(-)(Xi)over-bar(+) Near Threshold at BESIII
(Amer Physical Soc., 2021)The Born cross sections and effective form factors for process e(+)e(-) -> Xi(-)(Xi) over bar (+) are measured at eight center-of-mass energies between 2.644 and 3.080 GeV, using a total integrated luminosity of 363.9 pb(-1 ... -
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 ... -
Search for the Charged Lepton Flavor Violating Decay J/psi -> e tau
(Amer Physical Soc., 2021)A search for the charged lepton flavor violating decay J/psi -> e(+/-)tau(-/+) with tau(-/+) -> pi(-/+)pi(0)nu(tau) is performed with about 10 x 10(9) J/psi events collected with the BESIII detector at the BEPCII. No ... -
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) ... -
Observation of a Near-Threshold Structure in the K+ Recoil-Mass Spectra in e(+) e(-) -> K+ (D-s(-) D*(0) + D-s* - D-0)
(Amer Physical Soc., 2021)We report a study of the processes of e(+)e(-) -> K+Ds- D*(0) and K+Ds* D-0 based on e(+)e(-) annihilation samples collected with the BESIII detector operating at BEPCII at five center-of-mass energies ranging from 4.628 ... -
Amplitude Analysis and Branching-fraction Measurement of D-s(+) -> K-S(0)pi(+)pi(0)
(Springer, 2021)By using 6.32 fb(-1) of data collected with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we perform an amplitude analysis of the decay D-s(+) -> K-S(0) pi(+)pi(0) and determine the relative ... -
Search for the Rare Semi-leptonic Decay J/psi -> D(-)e(+)nu(e) + c.c.
(Springer, 2021)Using 10.1 x 10(9)J/ events produced by the Beijing Electron Positron Collider (BEPCII) at a center-of-mass energy s = 3.097 GeV and collected with the BESIII detector, we present a search for the rare semi-leptonic decay ... -
Amplitude Analysis and Branching-fraction Measurement of D-s(+) -> (KSK-)-K-0 pi(+)pi(+)
(Amer Physical Soc., 2021)Using 6.32 fb(-1) of e(+)e(-) collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the D-s(+) -> (KSK-)-K-0 pi(+)pi(+) decays is performed for ... -
Search for the Decay D-s(+) -> a(0)(980)(0)e(+)nu(e)
(Amer Physical Soc., 2021)Using 6.32 fb(-1) of electron-positron collision data recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we present the first search for the decay D-s(+) -> a(0)(980)(0)e(+)nu(e), ... -
Search for the Lepton Number Violating Decay Sigma(-) -> pe(-) e(-) and the Rare Inclusive Decay Sigma(-) -> Sigma(+) X
(Amer Physical Soc., 2021)Using a data sample of (1310.6 +/- 7.0) x 10(6) J/psi events taken with the BESIII detector at the center-of-mass energy of 3.097 GeV, we search for the first time for the lepton number violating decay Sigma(-) -> pe(-) ... -
Search for New Decay Modes of the psi(2)(3823) and the Process e(+)e(-) -> pi(0)pi(0)psi(2) (3823)
(Amer Physical Soc., 2021)The decays psi(2)(3823) -> gamma chi(c0,1,2), pi(+)pi(-) J/psi, pi 0 pi(0) J/psi, eta J/psi, and pi(0)J/psi are searched for using the reaction e(+)e(-) -> pi(+)pi(-)psi(2) (3823) in a 19 fb(-1) data sample collected at ... -
Measurement of the Born Cross Sections for e(+)e(-) -> eta'pi(+) pi(-) a t center-of-mass Energies Between 2.00 and 3.08 GeV
(Amer Physical Soc., 2021)The Born cross sections for the process e(+)e(-) -> eta'pi(+)pi(-) at different center-of-mass energies between 2.00 and 3.08 GeVare reported with improved precision from an analysis of data samples collected with the ... -
Determination of the Lambda(c)+ spin via the reaction e(+)e(-) -> Lambda(c)(Lambda)over-bar(c)
(Amer Physical Soc., 2021)We report on a comparison of two possible Lambda(+)(c) spin hypotheses, J = 1/2 and 3/2, via the process e(+)e(-) -> Lambda(c)(Lambda) over bar (c) using the angular distributions of Lambda(+)(c) decays into pK(S)(0), ... -
Study of e(+)e(-) -> 2(p(p)over-bar) at center-of-mass Energies Between 4.0 and 4.6 GeV
(Amer Physical Soc., 2021)Using data taken at 23 center-of-mass energies between 4.0 and 4.6 GeV with the BESIII detector at the Beijing Electron Positron Collider and with a total integrated luminosity of approximately 15 fb(-1), the process ... -
Model-Independent Determination of the Spin of the Omega(-) and Its Polarization Alignment in psi(3686) -> Omega(-)(Omega)over-bar(+)
(Amer Physical Soc., 2021)We present an analysis of the process psi(3686) -> Omega(-)(Omega) over bar (+)(Omega(-). K-Lambda, (Omega) over bar (+) K+ (Lambda) over bar,(Omega) over bar (+) Lambda -> p pi(-), (Lambda) over bar -> p (p) over bar ... -
Search for the reaction e(+) e(-) -> chi(cJ)pi(+)pi(-) and a Charmoniumlike Structure Decaying to chi(cJ)pi(+/-) between 4.18 and 4.60 GeV
(Amer Physical Soc., 2021)We search for the process e(+)e(-) -> chi(cJ)pi(+) pi(-) (J = 0, 1, 2) and for a charged charmoniumlike state in the chi(cJ)pi +/- subsystem. The search uses datasets collected with the BESIII detector at the BEPCII storage ... -
Measurements of e(+) e(-) -> eta(c)pi(+)pi(-)pi(0), eta(c)pi(+)pi(-), and eta(c)pi(0)gamma at root s from 4.18 to 4.60 GeV, and search for a Z(c) state close to the D(D)over-bar threshold decaying to eta(c)pi at root s=4.23 GeV
(Amer Physical Soc., 2021)We study eta(c) production at center-of-mass energies root s from 4.18 to 4.60 GeV in e(+)e(-) annihilation data collected with the BESIII detector operating at the BEPCII storage ring, corresponding to 7.3 fb(-1) of ... -
Search for the X (2370) and observation of eta(c) -> eta eta eta ' in J/psi -> gamma eta eta eta '
(Amer Physical Soc., 2021)Using a sample of 1.31 x 10(9) J/psi events collected with the BESIII detector, we perform a study of J/psi -> gamma eta eta eta' to search for the X(2370) and eta(c) in the eta eta eta' invariant mass distribution. No ... -
Study of BESIII Trigger Efficiencies with the 2018 J/psi Data
(2021)Using a dedicated data sample taken in 2018 on the J/psi peak, we perform a detailed study of the trigger efficiencies of the BESIII detector. The efficiencies are determined from three representative physics processes, ... -
Measurements of Sigma(+) and Sigma(-) time-like electromagnetic form factors for center-of-mass energies from 2.3864 to 3.0200 GeV
(Elsevier, 2021)The Born cross sections of the e(+)e(-) -> Sigma(+)(Sigma) over bar (-) and e(+)e(-)-> Sigma(-)(Sigma) over bar (+) processes are determined for centerof-mass energy from 2.3864 to 3.0200 GeV with the BESIII detector. The ...
