Sichuan University

works on

psi(3686) decay 2 angular analysis 1 BESIII 1 BESIII detector 1 branching fraction 1 charmonium 1 double dalitz decay 1 electric and magnetic moments 1 eta meson decay 1 form factors 1 hyperon polarization 1 pi+ pi- spectrum 1

From the 4 of 157 papers with an AI index.

most citedExtended Very-High-Energy Gamma-Ray Emission Surrounding PSR J0622 + 3749 Observed by LHAASO-KM2A

134 citations

collaborating institutions

Showing hep-exShow all

31 papers · 1 filter

hep-ex2026

Measurement of the double Dalitz decay $I^\cdot \to e^{+} e^{-} e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The BESIII experiment measured the rare decay of the eta meson into two electron-positron pairs, determining its branching fraction to be about 2.6 × 10⁻⁵.

hep-ex2026

Observation of $I^ (1530)^{0}$ Polarization and Determination of Its Electric and Magnetic Moments in $I ¨ (3686) \to I^ (1530)^{0} I^ˉ (1530)^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

The BESIII experiment observed the polarization of the hyperon Ξ(1530)^0 in ψ(3686)→Ξ(1530)^0 anti‑Ξ(1530)^0 decays and measured its electric and magnetic multipole moments via ang…

hep-ex2026★ 1 cited

Study of the Magnetic Dipole Transition of $J / I ¨ \to I^^{3} I^\cdot_{c}$ via $I^\cdot_{c} \to p p ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +692

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / I ¨ $ events collected with the BESIII detector at the $e^{+} e^{-}$ BEPCII collider, we present the first amplitude analysis of $J / I ¨ \to I^^{3} p p ˉ$ …

hep-ex2026

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The combined symmetry of charge conjugation and parity ( $C P$ ) is tested in the hadronic transition $I ¨ (3686) \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ , using a dataset of $(2712.4 \pm 14.3) \times 1 0^{6}$ $Ï…

hep-ex2026

Search for the isospin-violating decays $I ¨ _{cJ} \to I^ I^ˉ £^{0} + c . c .$ and $I^\cdot_{c} \to I^ I^ˉ £^{0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6}$ ~ $I ¨ (3686)$ events collected with the BESIII detector, we perform a search for the isospin-violating decays $Ï_{cJ}\toÎ\barÎ£^{0}+c…

hep-ex2026★ 2 cited

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

A search for $C P$ violation with an entangled system of $I^^{-} I^ˉ ^{+}$ pairs is performed, using $(10, 087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII experiment. A n…

Measurement of the double Dalitz decay I^⋅→e+e−e+e−

Observation of I^(1530)0 Polarization and Determination of Its Electric and Magnetic Moments in I¨(3686)→I^(1530)0I^ˉ(1530)0

Study of the Magnetic Dipole Transition of J/I¨→I^3I^⋅c​ via I^⋅c​→ppˉ​

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

Search for the isospin-violating decays I¨cJ​→I^I^ˉ£0+c.c. and I^⋅c​→I^I^ˉ£0+c.c.

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

Measurement of the double Dalitz decay $I^\cdot \to e^{+} e^{-} e^{+} e^{-}$

Observation of $I^ (1530)^{0}$ Polarization and Determination of Its Electric and Magnetic Moments in $I ¨ (3686) \to I^ (1530)^{0} I^ˉ (1530)^{0}$

Study of the Magnetic Dipole Transition of $J / I ¨ \to I^^{3} I^\cdot_{c}$ via $I^\cdot_{c} \to p p ˉ$

Search for the isospin-violating decays $I ¨ _{cJ} \to I^ I^ˉ £^{0} + c . c .$ and $I^\cdot_{c} \to I^ I^ˉ £^{0} + c . c .$