Browsing by Author "Achasov, M. N."
Now showing items 1-20 of 45
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Absolute measurements of branching fractions of Cabibbo-suppressed hadronic D0(+) decays involving multiple pions
Ablikim, M.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo; Cetin, Serkant Ali; Kolcu, Onur Buğra (AMER PHYSICAL SOC, 2022)By analyzing e(+)e(-) annihilation data with an integrated luminosity of 2.93 fb(-1) collected at the center-of-mass energy root s = 3.773 GeV with the BESIII detector, we present the first absolute measurements of the ... -
Amplitude analysis and branching fraction measurement of the decay D-s(+) -> K+pi(+)pi(-)
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Cetin, Serkant Ali; Kolcu, Onur Bugra (SPRINGER, 2022)Using 6.32 fb(-1) of e(+)e(-) collision data collected at the center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude analysis of the decay D-s(+) -> K+pi(+)pi(-) and determine ... -
Amplitude analysis and branching fraction measurement of the decay D-s(+) -> pi(+)pi(0)pi(0)
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Kolcu, Onur Bugra (SPRINGER, 2022)Using a data set corresponding to an integrated luminosity of 6.32fb(-1) recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis of the decay D-s(+) -> pi(+)pi(0)pi(0 ... -
Amplitude analysis and branching fraction measurement of the decay D-s(->)+ K+pi(+)pi(-)pi(0)
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Albrecht, M.; Aliberti, R. (SPRINGER, 2022)he singly Cabibbo-suppressed decay Ds -> K+pi(+)pi(-)pi(0) is observed by using a data set corresponding to an integrated luminosity of 6.32 fb(-1) recorded by the BESIII detector at the centre-of-mass energies between ... -
Cross section measurements of the e(+)e(-) -> D*D+*(-) and e(+)e(-) -> D*D-+(-) processes at center-of-mass energies from 4.085 to 4.600 GeV
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Albrecht, M.; Cetin, Serkant Ali; Kolcu, Onur Bugra (SPRINGER, 2022)The Born cross sections of the e(+)e(-) -> D*D+*(-) and e(+)e(-) -> D*D-+(-) processes are measured using e(+)e(-) collision data collected with the BESIII experiment at center-of-mass energies from 4.085 to 4.600 GeV, ... -
Cross section measurements of the processes e(+)e(-) -> omega pi(0) and omega eta at center-of-mass energies between 3.773 and 4.701 GeV
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Cetin, Serkant Ali; Kolcu, Onur Bugra (SPRINGER, 2022)The Born cross sections of the processes e(+)e(-) -> omega pi(0) and e(+)e(-) -> omega eta are measured at center-of-mass energies between 3.773 and 4.701 GeV using a total integrated luminosity of 22.7 fb(-1) collected ... -
Evidence for a neutral near-threshold structure in the K S0 recoil-mass spectra in e+e- → K S0 Ds+ D∗- and e+e- → K S0 Ds∗+ D-
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)We study the processes e+e-→KS0Ds+D∗- and e+e-→KS0Ds∗+D-, as well as their charge conjugated processes, at five center-of-mass energies between 4.628 and 4.699 GeV, using data samples corresponding to an integrated luminosity ... -
First observation of the direct production of the χc1 in e+e- annihilation
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Ahmed, Shakeel; Albrecht, Malte (American Physical Society, 2022)We study the direct production of the JPC=1++ charmonium state χc1(1P) in electron-positron annihilation by carrying out an energy scan around the mass of the χc1(1P). The data were collected with the BESIII detector at ... -
Luminosities and energies of e(+)e(-) collision data taken between root s=4.61 gev and 4.95 gev at BESIII
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Cetin, Serkant Ali; Kolcu, Onur Bugra (IOP Publishing Ltd, 2022)From December 2019 to June 2021, the BESIII experiment collected approximately 5.85 fb(-1) of data at center-of-mass energies between 4.61 and 4.95 GeV. This is the highest collision energy BEPCII has reached to date. The ... -
Measurement of A baryon polarization in e(+) e(-) -> Lambda(Lambda)over-bar at root s=3.773 GeV
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Cetin, Serkant Ali; Kolcu, Onur Bugra (AMER PHYSICAL SOC, 2022)Using a data sample of psi(3770) events collected with the BESIII detector at BEPCII corresponding to an integrated luminosity of 2.9 fb-1, we report a measurement of A spin polarization in e+ e- -> Lambda(Lambda) over bar ... -
Measurement of branching fractions of J/psi and psi(3686) decays to Sigma(+) and (Sigma)over-bar(-)
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Cetin, S. A.; Kolcu, O. B. (SPRINGER, 2021)Using 1310.6 x 10(6) J/psi and 448.1 x 10(6) psi(3686) events collected with the BESIII detector, the branching fractions of J/psi decays to Sigma(+)(Sigma) over bar (-) is measured to be (10.61 +/- 0.04 +/- 0.36) x 10(-4), ... -
Measurement of branching fractions of singly cabibbo-suppressed decays Λc+ → ς0K+ and ς+ KS0
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)Based on a sample of 4.5 fb-1 of e+e- annihilation data collected in the energy region between 4.6 GeV and 4.7 GeV with the BESIII detector at BEPCII, two singly Cabibbo-suppressed decays Λc+→ς0K+ and Λc+→ς+KS0 are studied. ... -
Measurement of e (+) e (-) -> gamma chi(c0,c1,c2) cross sections at center-of-mass energies between 3.77 and 4.60 GeV
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; Kolcu, O. B. (AMER PHYSICAL SOC, 2021)BESIII detector at BEPCII. We observe for the first time e(+)e(-)->gamma chi(c1; c2) signals at root s = 4.180 GeV with statistical significances of 7.6s and 6.0s, respectively. The production cross section of e(+)e(-)->gamma ... -
Measurement of e+e- →π+π-D+D- cross sections at center-of-mass energies from 4.190 to 4.946 GeV
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)Using data samples collected with the BESIII detector operating at the BEPCII storage ring, we measure the cross sections of the e+e-→π+π-D+D- process at center-of-mass energies from 4.190 to 4.946 GeV with a partial ... -
Measurement of integrated luminosities at BESIII for data samples at center-of-mass energies between 4.0 and 4.6 GeV*
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M. (IOP Publishing Ltd, 2022)The integrated luminosities of data samples collected in the BESIII experiment in 2016-2017 at center-of-mass energies between 4.19 and 4.28 GeV are measured with a precision better than 1% by analyzing large-angle Bhabha ... -
Measurement of psi(3686) -> lambda(lambda)over-bar eta and psi(3686) -> lambda(lambda)over-bar pi(0) decays
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Albrecht, M.; Aliberti, R.; Cetin, Serkant Ali; Kolcu, Onur Buğra (AMER PHYSICAL SOC, 2022)Based on a sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector, a study of psi(3686) -> Lambda(Lambda) over bar pi(0) and psi(3686) -> Lambda(Lambda) over bar eta is performed. Evidence of the ... -
Measurement of the absolute branching fraction and decay asymmetry of Λ→nγ
Ablikim, M; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Amoroso A.; Cetin, Serkant Ali; Kolcu, Onur Buğra (American Physical Society, 2022)The radiative hyperon decay Λ→nγ is studied using (10087±44)×10^{6} J/ψ events collected with the BESIII detector operating at BEPCII. The absolute branching fraction of the decay Λ→nγ is determined to be (0.832±0.038_{s ... -
Measurement of the absolute branching fraction of inclusive semielectronic D-s(+) decays
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; Kolcu, O. B. (AMER PHYSICAL SOC, 2021)We measure the inclusive semielectronic decay branching fraction of the D-s(+) meson. A double-tag technique is applied to e(+)e(-) annihilation data collected by the BESIII experiment at the BEPCII collider, operating in ... -
Measurement of the absolute branching fraction of the singly cabibbo suppressed decay Λc+ →pη′
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)The singly Cabibbo suppressed decay Λc+→pη′ is measured using 4.5 fb-1 of e+e-collision data collected at center-of-mass energies between 4.600 and 4.699 GeV with the BESIII detector at BEPCII. Evidence for Λc+→pη′ with a ... -
Measurement of the absolute branching fractions of J/psi -> gamma eta and eta decay modes
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Cetin, S. A.; Kolcu, O. B. (AMER PHYSICAL SOC, 2021)Based on a data sample of (1.0087 +/- 0.0044) x 10(10) J/psi events collected by the BESIII detector at the BEPCII accelerator, the absolute branching fraction (BF) of the decay J/psi -> gamma eta is measured with high ...
