Электронная библиотека (репозиторий) Томского государственного университета
Ablikim, M. | статьи в журналах

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Source: Physics Letters B. 2017. Vol. 767. P. 42-47
Type: статьи в журналах
Date: 2017
Description: We report the first measurement of the absolute branching fraction for View the MathML sourceΛc+→Λμ+νμ. This measurement is based on a sample of e+e−e+e− annihilation data produced at a center-of-mass ... More
Source: Physics Letters B. 2017. Vol. 771. P. 45-51
Type: статьи в журналах
Date: 2017
Description: Based on e+e− annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of e+e−→ ... More
Source: Physics Letters B. 2017. Vol. 765. P. 231-237
Type: статьи в журналах
Date: 2017
Description: By analyzing View the MathML source2.93fb−1 of data taken at the ψ(3770)ψ(3770) resonance peak with the BESIII detector, we measure the branching fractions for the hadronic decays View the MathML sour ... More
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012001-1-012001-13
Type: статьи в журналах
Date: 2017
Description: We observe for the first time the process e+e−→ηhc with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy s=4.226 GeV, and the Born cross section i ... More
Source: Physics Letters B. 2017. Vol. 772. P. 388-393
Type: статьи в журналах
Date: 2017
Description: We report the first observation of the decay Λc+→Σ−π+π+π0, based on data obtained in e+e− annihilations with an integrated luminosity of 567 pb−1 at s=4.6GeV. The data were collected with the BESIII d ... More
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012005-1-012005-8
Type: статьи в журналах
Date: 2017
Description: Based on a sample of 1.31 billion J/ψ events collected with the BESIII detector, we report the study of the doubly radiative decay η′→γγπ0 for the first time, where the η′ meson is produced via the J/ ... More
Source: Physical Review Letters. 2017. Vol. 118, № 11. P. 112001-1-112001-7
Type: статьи в журналах
Date: 2017
Description: We report the first direct measurement of decays of the Λ+c baryon involving the neutron. The analysis is performed using 567  pb−1 of e+e− collision data collected at √s=4.599  GeV with the BESIII de ... More
Source: Physical Review Letters. 2017. Vol. 118, № 22. P. 221802-1-221802-8
Type: статьи в журналах
Date: 2017
Description: Using 4.479 × 108 ψð3686Þ events collected with the BESIII detector, we search for the decays ψð3686Þ → eþe−χcJ and χcJ → eþe−J=ψ, where J ¼ 0, 1, 2. The decays ψð3686Þ → eþe−χcJ and χcJ → eþe−J=ψ are ... More
Source: Physical Review Letters. 2017. Vol. 118, № 9. P. 092001-1-092001-8
Type: статьи в журналах
Date: 2017
Description: The cross section for the process e+e−→π+π−J/ψ is measured precisely at center-of-mass energies from 3.77 to 4.60 GeV using 9  fb−1 of data collected with the BESIII detector operating at the BEPCII s ... More
Source: Physical Review D. 2017. Vol. 95, № 7. P. 071102-1-071102-8
Type: статьи в журналах
Date: 2017
Description: Using an electron-positron collision data sample of 2.93 fb−1 collected at a center-of-mass energy of ffiffi s p ¼ 3.773 GeV with the BESIII detector, we present the first search for the radiative lep ... More
Source: Physical Review D. 2017. Vol. 95, № 5. P. 052003-1-052003-10
Type: статьи в журналах
Date: 2017
Description: Using 1310.6 × 106 J=ψ and 447.9 × 106 ψð3686Þ events collected with the BESIII detector at the BEPCII eþe− collider, the branching fractions and the angular distributions of J=ψ and ψð3686Þ decays to ... More
Source: Physics Letters B. 2017. Vol. 770. P. 217-225
Type: статьи в журналах
Date: 2017
Description: We study the decays of J/ψ and ψ(3686) to the final states Σ(1385)0Σ¯(1385)0 and Ξ0Ξ¯0 based on a single baryon tag method using data samples of (1310.6±7.0)×106 J/ψ and (447.9±2.9)×106 ψ(3686) events ... More
Source: Physical Review Letters. 2016. Vol. 116, № 4. P. 042001-1-042001-7
Type: статьи в журналах
Date: 2016
Description: We present a measurement of the azimuthal asymmetries of two charged pions in the inclusive process e+e−→ππX, based on a data set of 62  pb−1 at the center-of-mass energy of 3.65 GeV collected with th ... More
Source: Physics Letters B. 2016. Vol. 753. P. 103-109
Type: статьи в журналах
Date: 2016
Description: By analyzing a data set of 2.92 fb−12.92 fb−1 of e+e−e+e− collision data taken at View the MathML sources=3.773 GeV and 106.41×106106.41×106ψ(3686)ψ(3686) decays taken at View the MathML sources=3.686 ... More
Source: Physics Letters B. 2016. Vol. 753. P. 629-638
Type: статьи в журналах
Date: 2016
Description: We extract the e+e−→π+π−e+e−→π+π− cross section in the energy range between 600 and 900 MeV, exploiting the method of initial state radiation. A data set with an integrated luminosity of 2.93 fb−12.93 ... More
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