Kurum Yazarı "Kolcu, Onur Buğra" Elektrik-Elektronik Mühendisliği Bölümü Makale Koleksiyonu İçin Listeleme
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Measurements of absolute branching fractions for Lambda(+)(c) -> Xi K-0(+) and Xi(1530)K-0(+)
Kolcu, Onur Buğra (Elsevier Science Bv., 2018)We report the first measurements of absolute branching fractions for the W-exchange-only processes Lambda(+)(c) -> Xi K-0(+) and Lambda(+)(c)-> Xi(1530)K-0(+) with the double-tag technique, by analyzing an e(+)e(-) collision ... -
Measurements of e(+)e(-)-> (KSK +/-)-K-0 pi(-/+)pi(0)and (KSK +/-)-K-0 pi(-/+)eta at center-of-mass energies from 3.90 to 4.60 GeV
Kolcu, Onur Buğra (Amer Physical Soc., 2019)Using 5.2 fb(-1) e(+)e(-) annihilation data samples collected with the BESIII detector, we measure the cross sections of e(+)e(-)->(KSK +/-)-K-0 pi(-/+)pi(0) and (KSK +/-)-K-0 pi(-/+)eta at center-of-mass energies from ... -
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) ... -
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 State X(2600) in the pi(+) pi(-)eta' System in the Process J/psi -> gamma pi(+)pi(-)eta'
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Kolcu, O. B. (American Physical Society, 2022)Based on (10087±44)×106 J/ψ events collected with the BESIII detector, the process J/ψ→γπ+π-η′ is studied using two largest decay channels of the η′ meson, η′→γπ+π- and η′→ηπ+π-, η→γγ. A new resonance, which we denote as ... -
Observation of a(0)(0)(980)-f(0)(980) Mixing
Kolcu, Onur Buğra (Amer Physical Soc., 2018)We report the first observation of a(0)(0)(980)-f(0)(980) mixing in the decays of J/psi -> phi f(0)(980) -> phi a(0)(0)(980) -> phi eta pi(0) and chi(c1) -> a(0)(0)(980)pi(0) -> f(0)(980)pi(0)->pi(+)pi(-)pi(0), using data ... -
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+ -> 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-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(+))eta ' and improved measurement of D-0 -> K-pi(+)eta '
Kolcu, Onur Buğra (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
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(-)-> D-s(+)(D)over-bar(()*()0) K- and study of the P-wave D-s mesons
Kolcu, Onur Buğra (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 J/Psi Electromagnetic Dalitz Decays to X(1835), X(2120), and X(2370)
Ablikim, M.; Achasov M.N.; Adlarson P.; Ahmed S.; Albrecht M.; Kolcu, O. B. (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
Kolcu, Onur Buğra (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(-)
Kolcu, Onur Buğra (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 the double Dalitz decay eta' -> e(+)e(-)e(+)e(-)
Ablikim M.; Achasov M.N.; Adlarson P.; Albrecht M.; Aliberti R.; Kolcu, O. B. (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 Semileptonic Decay D-0 -> a(0)(980)(-)e(+)nu(e) and Evidence for D+ -> a(0)(980)(0)e(+)nu(e)
Kolcu, Onur Buğra (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+ -> ... -
Observation of the W-annihilation decay D-s(+) -> omega pi(+) and evidence for D-s(+) -> omega K+
Kolcu, Onur Buğra (Amer Physic Soc., 2019-05-13)We report the observation of W-annihilation decay D-s(+) -> omega pi(+) and evidence for D-s(+) -> omega K+ in a data sample corresponding to an integrated luminosity of 3.19 fb(-1) collected with the BESIII detector at a ... -
Observation of the Y(4220) and Y(4390) in the process e(+)e(-) -> eta J/psi
Kolcu, Onur Buğra (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 ...