ORCID "0000-0002-9177-1286" Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed için listeleme
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Search for the semileptonic decay D0(+) -> b(1) (1235)(-(0))e(+)v(e)
Kolcu, Onur Buğra; BESIII Collaboration (Physical Review D., 2020)Using 2.93 fb-1 of e(+)e(-) data collected at a center-of-mass energy root s = 3.773 GeV with the BESIII detector operating at the BEPCII collider, we search for the semileptonic D0(+) decays into a b(1)(1235)(-(0)) ... -
Search for the X (2370) and observation of eta(c) -> eta eta eta ' in J/psi -> gamma eta eta eta '
Kolcu, Onur Buğra; BESIII Collaboration (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 ... -
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 ... -
Sigma(+) and (Sigma)over-bar(-) Polarization in the J/psi and psi(3686) Decays
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)From 1310.6 x 10(6) J/psi and 448.1 x 10(6) psi (3686) events collected with the BESIII experiment, we report the first observation of Sigma(+) and (Sigma) over bar (-) spin polarization in e(+)e(-) -> J/psi[psi(3686)] -> ... -
Study of BESIII Trigger Efficiencies with the 2018 J/psi Data
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, ... -
Study of e(+)e(-) -> 2(p(p)over-bar) at center-of-mass Energies Between 4.0 and 4.6 GeV
Kolcu, Onur Buğra; BESIII Collaboration (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 ... -
Study of e(+)e(-) -> D+D-pi(+)pi(-) at center-of-mass energies from 4.36 to 4.60 GeV
Kolcu, Onur Buğra; BESIII Collaboration (Elsevier, 2020)We report a study of the e(+)e(-) -> D+D-pi(+)pi(-) process using e(+)e(-) collision data samples with an integrated luminosity of 2.5 fb(-1) at center-of-mass energies from 4.36 to 4.60 GeV, collected with the BESIII ... -
Study of e(+)e(-) -> pi X-0(3872)gamma and search for Z(c)(4020)(0) -> X(3872)gamma
Kolcu, Onur Buğra; BESIII Collaboration (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) ... -
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 e+e- →π0X (3872)γ and Search for Zc (4020)0 →x (3872)γ
Kolcu, Onur Buğra; BESIII Collaboration (American Physical Society, 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-→π0X(3872)γ and search for Zc(4020)0→X(3872)γ. We find ... -
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 Open-Charm Decays and Radiative Transitions of the X(3872)
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)The processes X(3872) -> D*(0)(D) over bar (0) + c.c., gamma J/psi, gamma psi(2S), and gamma D+D- are searched for in a 9.0 fb(-1) data sample collected at center-of-mass energies between 4.178 and 4.278 GeV with the BESIII ... -
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 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-s(+) -> pi(+) pi(+) pi(-)eta and Observation of the W-annihilation Decay D-s(+) -> a(0)(980)(+)rho(0)
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2021)The decay D-s(+) -> pi(+) pi(+) pi(-)eta is observed for the first time, using e(+)e(-) collision data corresponding to an integrated luminosity of 6.32 fb(-1), collected by the BESIII detector at center-of-mass energies ... -
Study of the decays psi(3686) -> gamma chi(cJ) -> gamma(p)over-barK*(+)Lambda + c.c. and psi(3686) -> (p)over-barK*(+) Lambda plus c.c.
BESIII Collaboration; Kolcu, Onur Bugra (AMER PHYSICAL SOC, 2019)Based on the data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at BEPCII, we present a study of the decays ψ(3686)→γχcJ→γp̄K∗+Λ+c.c. and ψ(3686)→p̄K∗+Λ+c.c. The branching fractions of χcJ→p̄K∗+Λ+c.c. ... -
Study of the h(c)(1(1)P(1)) meson via psi(2S) -> pi(0)h(c) decays at BESIII
BESIII Collaboration; Kolcu, O. B. (AMER PHYSICAL SOC, 2022)Using 448 million psi(2S) events, the spin-singlet P-wave charmonium state h(c)(1(1)P(1)) is studied via the psi(2S) -> pi(0)h(c) decay followed by the h(c) -> gamma eta(c) transition. The branching fractions are measured ... -
Study of the process e(+) e(-) -> pi(0)pi(0)J/psi and neutral charmoniumlike state Z(c)(3900)(0)
Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)Cross sections of the process e(+)e(-) -> pi(0)pi(0)J/psi at center-of-mass energies between 3.808 and 4.600 GeV are measured with high precision by using 12.4 fb(-1) of data samples collected with the BESIII detector ... -
Study of the resonance structures in the process e+e- →π+π-J/ψ
Ablikim M.; Achasov M.N.; Adlarson P.; Albrecht M.; Aliberti R.; Amoroso A.; An M.R.; An Q.; Bai X.H.; Bai Y.; Bakina O.; Baldini Ferroli R.; Kolcu, Onur Bugra (American Physical Society, 2022)Using about 23 fb-1 of data collected with the BESIII detector operating at the BEPCII storage ring, a precise measurement of the e+e-→π+π-J/ψ Born cross section is performed at center-of-mass energies from 3.7730 to 4.7008 ...