Kurum Yazarı "Kolcu, Onur Buğra" İçin Listeleme
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Search for the rare decays D -> h(h((')))e(+) e(-)
Kolcu, Onur Buğra (Amer Physical Soc., 2018)We search for rare decays of D mesons to hadrons accompanied by an electron-positron pair (h(h((')))e(+)e(- )),using an e(+)e(-) collision sample corresponding to an integrated luminosity of 2.93 fb(-1) collected with the ... -
Search for the rare decays J/psi -> D(0)e(+) e(-) + c.c. and psi(3686) -> D(0)e(+) e(-) + c.c.
Kolcu, Onur Buğra (Amer Physical Soc., 2017)Using the data samples of (1310.6 +/- 7.2) x 10(6) J/psi events and (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector, we search for the rare decays J/psi -> D(0)e(+) e(-) + c.c. and psi(3686) -> ... -
Search for the weak decay ?'›K±?± and precise measurement of the branching fraction B(J/?›??')
Kolcu, Onur Buğra (2016)We present the first search for the rare decay of ?' into K±?± in J/?›??', using a sample of 1.3×109 J/? events collected with the BESIII detector. No significant signal is observed, and the upper limit at the 90\% confidence ... -
Searches for isospin-violating transitions χc0,2 → π0ηc
BESIII Collaboration; Kolcu, O. B. (American Physical Society, 2015)We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions χc0,2 → π0ηc. The measurements are performed using 106×106ψ(3686) events accumulated with the BESIII detector at ... -
Study of ? decays to the ?-?¯+ and ?(1385)±?¯(1385)± final states
Kolcu, Onur Buğra (2016)We study the decays of the charmonium resonances J/? and ?(3686) to the final states ?-?¯+, ?(1385)±?¯(1385)± based on a single baryon tag method using data samples of (223.7±1.4)×106 J/? and (106.4±0.9)×106 ?(3686) events ... -
Study of e(+)e(-) -> gamma omega J/psi and Observation of X(3872) -> omega J/psi
Kolcu, Onur Buğra (Amer Physical Soc., 2019)We study the e(+)e(-) -> gamma omega J/psi process using 11.6 fb(-1) e(+)e(-) annihilation data taken at center-of-mass energies from root s = 4.008 GeV to 4.600 GeV with the BESIII detector at the BEPCII storage ring. The ... -
Study of e+e- →π+π-π0ηc and evidence for Zc (3900)± decaying into ρ±ηc STUDY of e+e- →π+π-π0ηc ... M. ABLIKIM et al.
BESIII Collaboration; Kolcu, O. B. (American Physical Society, 2019)We study the reaction e+e-→π+π-π0ηc for the first time using data samples collected with the BESIII detector at center-of-mass energies s=4.226, 4.258, 4.358, 4.416, and 4.600 GeV. Evidence of this process is found and the ... -
Study of electromagnetic Dalitz decays chi(cJ )-> mu(+)mu(-) J/psi
Kolcu, Onur Buğra (Amer Physic Soc., 2019)Using 4.48 x 10(8) psi(3686) events collected with the BESIII detector, we search for the decays chi(cJ) ->mu(+)mu(- )J/psi through the radiative decays psi(3686) -> gamma chi(cJ), where J = 0, 1, 2. The decays chi(c1,2) ... -
Study of eta(1475) and X(1835) in radiative J/psi decays to gamma phi
Kolcu, Onur Buğra (Amer Physical Soc., 2018)The decay J/psi -> gamma gamma phi is studied using a sample of 1.31 x 10(9) J/psi events collected with the BESIII detector. Two structures around 1475 MeV/c(2) and 1835 MeV/c(2) are observed in the gamma phi invariant ... -
Study of J/Psi -> p(p)over-bar phi at BESIII
Kolcu, Onur Buğra (2016)Using a data sample of 1.31×109 J/? events accumulated with the BESIII detector, the decay J/?›pp¯? is studied via two decay modes, ?›KS0KL0 and ?›K+K-. The branching fraction of J/?›pp¯? is measured to be B(J/?›pp¯?)=[5 ... -
Study of J/psi and psi (3686) decay to Lambda(Lambda)over-bar and Sigma(0)(Sigma)over-tilde(0) final states
Kolcu, Onur Buğra (Amer Physical Soc., 2017)Using 1310.6 x 10(6) J/psi and 447.9 x 10(6) psi (3686) events collected with the BESIII detector at the BEPCII e(+)e(-) collider, the branching fractions and the angular distributions of J/psi and psi (3686) decays to ... -
Study of J/psi and psi(3686) -> Sigma(1385)(0)(Sigma)over-bar(1385)(0) and Xi(0)(Xi)over-bar(0)
Kolcu, Onur Buğra (Elsevier Science, 2017)We study the decays of J/psi and psi(3686) to the final states Sigma(1385)(0)(Sigma) over bar (1385)(0) and Xi(0)(Xi) over bar (0) based on a single baryon tag method using data samples of (1310.6 +/- 7.0) x 10(6) J/psi ... -
Study of J/psi and psi(3686) decays to pi(+) pi(-) eta '
Kolcu, Onur Buğra (Amer Physic Soc., 2017)Using the data samples of 1.31 x 10(9) J/psi events and 4.48 x 10(8) psi(3686) events collected with the BESIII detector, partial wave analyses on the decays J/psi and psi(3686) pthornp -> pi(+)pi(-)eta' are performed with ... -
Study of psi(3686) -> Lambda(Lambda)over-bar omega
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Albrecht, M.; Aliberti, R.; Kolcu, Onur Buğra (AMER PHYSICAL SOC, 2022)Based on a data sample of (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider, the branching fraction of psi(3686) -> Lambda(Lambda) over bar omega is measured to be (3.30 +/- ... -
Study of the D-0 -> K-mu(+)nu(mu) Dynamics and Test of Lepton Flavor Universality with D-0 -> K(-)l(+)nu(l) Decays
Kolcu, Onur Buğra (Amer Physical Soc., 2019)Using e(+)e(-) annihilation data of 2.93 fb(-1) collected at center-of-mass energy root s = 3.773 GeV with the BESIII detector, we measure the absolute branching fraction of D-0 -> K-mu(+)nu(mu) with significantly improved ... -
Study of the Dalitz decay J/psi -> e(+)e(-)eta
Kolcu, Onur Buğra (Amer Physic Soc., 2019)We study the electromagnetic Dalitz decay J/psi -> e(+)e(-)eta and search for dielectron decays of a dark gauge boson (gamma') in J/psi -> gamma'eta with the two q decay modes eta -> gamma gamma and eta -> pi(+)pi(-)pi(0) ... -
Study of the decay D+ -> K*(892)+ K-S(0) in D+ -> (K+KS0)pi(0)
Ablikim M.; Achasov M.N.; Adlarson P.; Ahmed S.; Albrecht M.; Kolcu, O. B. (American Physical Society, 2021)Based on an collision data sample corresponding to an integrated luminosity of collected with the BESIII detector at , the first amplitude analysis of the singly Cabibbo-suppressed decay is performed. From the amplitude ... -
Study of the decay D-0 -> (K)over-bar(0)pi(-)e(+)nu(e)
Kolcu, Onur Buğra (Amer Physical Soc., 2019)We report a study of the decay D-0 -> (K) over bar (0)pi(-)e(+)nu(e) based on a sample of 2.93 fb(-1) e(+)e(-) annihilation data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII ... -
Study of the decays D+-> eta(('))e(+)nu(e)
Kolcu, Onur Buğra (Amer Physic Soc., 2018-05-31)The charm semileptonic decays D+ -> eta e(+)nu(e) and D+ -> eta'e(+)nu(e) are studied with a sample of e(+)e(-) collision data corresponding to an integrated luminosity of 2.93 fb(-1) collected at root s = 3.773 GeV with ...