Browsing by Author "Adlarson, Patrik"
Now showing items 1-14 of 14
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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 ... -
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 ... -
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- →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 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 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 ... -
Measurements of the center-of-mass energies of e+e-collisions at BESIII
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Ahmed, Shakeel; Albrecht, Malte; Kolcu, Onur Bugra (IOP Publishing, 2021)During the 2016-17 and 2018-19 running periods, the BESIII experiment collected 7.5 fb -1 of e+e- collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV. These data samples are primarily used for the study ... -
Observation of an ısoscalar resonance with exotic J^{PC}=1^{-+} quantum numbers in J/ψ→γηη^{'}
Ablikim, M.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Cetin, Serkant Ali; Kolcu, Onur Buğra (2022)Using a sample of (10.09±0.04)×10^{9} J/ψ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay J/ψ→γηη^{'} is performed. The first observation of an isoscalar ... -
Observation of resonance structures in e^{+}e^{-}→π^{+}π^{-}ψ_{2}(3823) and mass measurement of ψ_{2}(3823)
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (NLM (Medline), 2022)Using a data sample corresponding to an integrated luminosity of 11.3 fb^{-1} collected at center-of-mass energies from 4.23 to 4.70 GeV with the BESIII detector, we measure the product of the e^{+}e^{-}→π^{+}π^{-}ψ_{2}(3823) ... -
Observation of ηc (2S) →3 (π+π-) and measurements of χcJ →3 (π+π-) in ψ (3686) radiative transitions
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)The hadronic decay ηc(2S)→3(π+π-) is observed with a statistical significance of 9.3 standard deviations using (448.1±2.9)×106 ψ(3686) events collected by the BESIII detector at the BEPCII collider. The measured mass and ... -
Precise measurements of decay parameters and CP asymmetry with entangled Λ- Λ ¯ pairs
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Albrecht, Malte; Aliberti, Riccardo (American Physical Society, 2022)Based on 10 billion J/ψ events collected at the BESIII experiment, a search for CP violation in Λ decay is performed in the difference between CP-odd decay parameters α- for Λ→pπ- and α+ for Λ¯→p¯π+ by using the process ... -
Search for the hyperon semileptonic decay Ξ − → Ξ 0 e − ¯¯¯ ν e
Ablikim, Medina N.; Achasov, M. N.; Adlarson, Patrik; Ahmed, Shakeel; Cetin, Serkant Ali; Kolcu, Onur Bugra (American Physical Society, 2021)Using events collected by the Beijing Spectrum III (BESIII) detector at the Beijing Electron Positron Collider II (BEPCII) collider, we search for the hyperon semileptonic decay . No significant signal is observed and the ... -
Study of the h(c)(1(1)P(1)) meson via psi(2S) -> pi(0)h(c) decays at BESIII
Ablikim, M.; Achasov, M. N.; Adlarson, Patrik; Aliberti, Riccardo; Cetin, Serkant Ali; Kolcu, Onur Buğra (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 ...
