Başlık için Mühendislik ve Mimarlık Fakültesi listeleme

Observation of The Decay D0 →ρ-μ+νμ

BESIII Collaboration; Kolcu, Onur Buğra (American Physical Society, 2021)

By analyzing an e+e- annihilation data sample corresponding to an integrated luminosity of 2.93 fb-1 collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the branching fraction of the ...

Observation of the Decay X (3872) ??0?c1 (1P)

The BESIII collaboration; Kolcu, Onur Buğra (American Physical Society, 2019)

Using a total of 9.0 fb-1 of e+e- collision data with center-of-mass energies between 4.15 and 4.30 GeV collected by the BESIII detector, we search for the processes e+e-??X(3872) with X(3872)??0?cJ for J=0, 1, 2. We report ...

Observation of the decays chi(cJ) -> phi phi eta

BESIII Collaboration; Kolcu, Onur Buğra (Amer Physical Soc., 2020)

Using a data sample of (448.1 +/- 2.9) x 10( )(6)psi(3686) decays collected by the BESIII detector at the Beijing Electron Positron Collider (BEPCII), we observe the decays chi(cJ) -> phi phi eta (J = 0, 1, 2), where the ...

Observation of the decays chi(cJ) -> Sigma(0)(p)over-barK(+) + c.c. (J=0,1,2)

Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)

The decays chi(cJ) -> Sigma(0)(p) over barK(+) + c.c. (J = 0,1,2) are studied via the radiative transition psi(3686) ->gamma chi(cJ) based on a data sample of (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the ...

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 Doubly Cabibbo-Suppressed Decay D+ -> K+ pi(+) pi(-) pi(0) and Evidence for D+ -> K+ omega

Kolcu, Onur Buğra; BESIII Collaboration (Amer Physical Soc., 2020)

Using 2.93 fb(-1) of e(+)e(-) collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector, the first observation of the doubly Cabibbo-suppressed decay D+-> K+pi(+)pi(-)pi(0) is reported. After ...

Observation of the Effect of the Increase in Luminance Level on Emotional Assessment in EEG Records Using Welch Method

Eroğlu, Kübra; Kurt, Pınar; Osman, Onur; Kayıkçıoğlu, Temel (IEEE, 2017)

The aim of this study is to investigate the effect of the difference in level of luminance of visual stimuli on the emotional evaluation (negative, positive, neutral) from electroencephalogram (EEG) data recorded. EEG ...

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 semimuonic decay D+ -> omega mu(+)upsilon(mu)

BESIII Collaboration; Kolcu, Onur Buğra (Amer Physical Soc., 2020)

We report the first observation of the semimuonic decay D+ -> omega mu(+)upsilon(mu) using an e(+)e(-) collision data sample corresponding to an integrated luminosity of 2.93 fb(-1) collected with the BESIII detector at a ...

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 ...

Observation of the Y(4230) and a new structure in e(+)e(-) -> K+ K- J/psi

Ablikim, M; Achasov, MN; Adlarson, P.; Albrecht, M.; Kolcu, Onur Buğra (IOP Publishing Ltd, 2022)

The cross sections of e(+)e(-) -> K+K- J/psi at center-of-mass energies from 4.127 to 4.600 GeV are measured based on 15.6 fb(-1) data collected with the BESIII detector operating at the BEPCII storage ring. Two resonant ...

Observation of X(2370) and search for X(2120) in J/ ψ→ γKK¯ η′ : BESIII Collaboration

Kolcu, Onur Buğra; BESIII Collaboration (Springer, 2020)

Using a sample of 1.31x109<mml:mspace width="3.33333pt"></mml:mspace>J/psi events collected with the BESIII detector, we perform a study of J/psi -> gamma KK<overbar></mml:mover>eta '. X(2370) is observed in the ...

Observation of ψ (3686) →n n ̄ and improved measurement of ψ (3686) →p p ̄

Kolcu, Onur Buğra (Amer Physic Soc., 2019)

We observe the process psi(3686) -> p (p) over bar eta' for the first time, with a statistical significance higher than 10 sigma, and measure the branching fraction of J/psi -> p (p) over bar eta' with an improved accuracy ...

Observation of ψ(3770) → ηJ/ψ

Kolcu, O. B.; BESIII Collaboration (American Physical Society, 2023)

Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, the Born cross section of the process e+e- -> eta J=psi at a center-of-mass energy pffisffi = 3.773 GeV is measured to be (8.88 ...

Observation of h(1)(1380) in the J/psi -> eta ' K(K)over-bar pi decay

Kolcu, Onur Buğra (Amer Physical Soc., 2018)

Using 1.31 x 10(9) J/psi events collected by the BESIII detector at the BEPCII e(+)e(-) collider, we report the first observation of the h(1)(1380) in J/psi -> eta'h(1)(1380) with a significance of more than ten standard ...

Occupancy detection from temperature, humidity, light, CO2 and humidity ratio measurements using machine learning techniques

Palabaş, Tuğba; Eroğlu, Kübra (Institute of Electrical and Electronics Engineers Inc., 2018)

Order to save energy and to use energy resources efficiently, automatic occupancy determination based on sensor information is performed and energy is adjusted according to the demand in a closed area. In this study is ...