Yazar "BESIII Collaboration" için Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical and Electronics Engineering listeleme
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Measurements of the absolute branching fractions and CP asymmetries for D+ -> (KS,LK+)-K-0 (pi(0))
Kolcu, Onur Buğra (Amer Physic Soc., 2019)Using e(+)e(-) collision data corresponding to an integrated luminosity of 2.93 fb(-1) taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we determine the absolute branching fractions B(D+ -> (KSK+)-K-0) ... -
Measurements of the absolute branching fractions of D0(+) -> K(K)over-bar pi pi decays
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)Based on e(+)e(-) collision data sample corresponding to an integrated luminosity of 2.93 fb- 1 taken at a center-of-mass energy of 3.773 GeV by the BESIII detector, we report the measurements of the absolute branching ... -
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
Kolcu, Onur Buğra; BESIII Collaboration (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 +/- ... -
Measurements of weak decay asymmetries of Lambda(+)(c) -> pK(S)(0), Lambda pi(+), Sigma(+)pi(0), and Sigma(0)pi(+)
BESIII Collaboration; Kolcu, Onur Bugra (AMER PHYSICAL SOC, 2019)Using e(+)e(-) -> Lambda(+)(c)(Lambda) over bar (-)(c). production from a 567 pb(-1) data sample collected by BESIII at 4.6 GeV, a full angular analysis is carried out simultaneously on the four decay modes of Lambda(+)(c) ... -
Model-independent determination of the relative strong-phase difference between D-0 and (D)over-bar(0) -> K-S,L(0)pi(+)pi(-) and its impact on the measurement of the CKM angle gamma/phi(3)
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)Crucial inputs for a variety of CP-violation studies can be determined through the analysis of pairs of quantum-entangled neutral D mesons, which are produced in the decay of the psi(3770) resonance. The relative strong-phase ... -
Model-Independent Determination of the Spin of the Omega(-) and Its Polarization Alignment in psi(3686) -> Omega(-)(Omega)over-bar(+)
Kolcu, Onur Buğra; BESIII Collaboration (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 ... -
Observation and study of the decay J/psi -> phi eta eta '
Kolcu, Onur Buğra (Amer Physical Soc., 2019)We report the observation and study of the decay J/psi -> phi eta eta' phi eta eta' using 1.3 x 10(9) J/psi events collected with the BESIII detector. Its branching fraction, including all possible intermediate states, is ... -
Observation of a Near-Threshold Enhancement in the Lambda(Lambda)over-bar mass spectrum from e(+)e(-) -> phi Lambda(Lambda)over-bar at root S is from 3.51 to 4.60 GeV
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2021)The process e(+)e(-) -> phi Lambda(Lambda) over bar is studied using data samples collected with the BESIII detector at the BEPCII Collider at center of mass energies root S ranging from 3.51 GeV to 4.60 GeV. An enhancement ... -
Observation of a Near-Threshold Structure in the K+ Recoil-Mass Spectra in e(+) e(-) -> K+ (D-s(-) D*(0) + D-s* - D-0)
Kolcu, Onur Buğra; BESIII Collaboration (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 ... -
Observation of a Resonant Structure in e(+)e(-) -> K+ K- pi(0)pi(0)
BESIII Collaboration; Kolcu, Onur Buğra (Amer Physical Soc., 2020)A partial-wave analysis is performed for the process e(+)e(-) -> K+ K- pi(0)pi(0) at the center-of-mass energies ranging from 2.000 to 2.644 GeV. The data samples of e(+)e(-) collisions, collected by the BESIII detector ... -
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
Kolcu, Onur Buğra; BESIII Collaboration (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 a structure in e(+)e(-) -> phi eta ' at root s from 2.05 to 3.08 GeV
Kolcu, Onur Buğra; BESIII Collaboration (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 ... -
Observation of chi(cJ) -> 4K(S)(0)
Kolcu, Onur Buğra (Amer Physic Soc., 2019)By analyzing (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays of chi(c)(J) -> 4K(S)(0) (J = 0, 1, 2) are observed for the first time with statistical ... -
Observation of D+ -> eta eta pi(+) and improved measurement of D0(+) -> eta pi+ pi-((0))
BESIII Collaboration; Kolcu, Onur Buğra (Amer Physical Soc., 2020)Using an e(+)e(-) annihilation data sample 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 measure the absolute branching fractions ... -
Observation of D+ -> f(0) (500)e(+) nu(e) and Improved Measurements of D -> rho e(+) nu(e)
Kolcu, Onur Buğra (Amer Physic Soc., 2019)Using a data sample corresponding to an integrated luminosity of 2.93 fb(-1) recorded by the BESIII detector at a center-of-mass energy of 3.773 GeV, we present an analysis of the decays D-0 -> pi(-) pi(0) e(vertical bar) ... -
Observation of D-0 -> K-1 (1270) (-)e(+)nu(e)
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2021)Using 2.93 fb(-1) of e(+)e(-) collision data taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, the observation of the D-0 -> K-1 (1270)(-)e(+)nu(e) semileptonic decay is presented. The statistical ... -
Observation of D-s(+) -> p(n)over-bar and confirmation of its large branching fraction
Kolcu, Onur Buğra (Amer Physic Soc., 2019)The baryonic decay D-s(+) -> p (n) over bar is observed, and the corresponding branching fraction is measured to be (1.21 +/- 0.10 +/- 0.05) x 10(-3), where the first uncertainty is statistical and second systematic. The ... -
Observation of D0(+) -> K-S(0)pi(0(+))omega and improved measurement of D-0 -> K- pi(+)omega
BESIII Collaboration; Kolcu, O. B. (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
Kolcu, Onur Buğra (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
BESIII Collaboration; Kolcu, Onur Bugra (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 ...