Q. Ji

activity

20242026

collaborators

11 papers

hep-ex2026

Proof of principle for nucleon polarization measurement at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

A novel technique for measuring the spin polarization of final-state nucleons in a general-purpose spectrometer is validated. Using $10.09 \times 1 0^{9}$ $J / I ¨ $ events at BESIII, the…

hep-ex2025

Measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

A high precision measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$ is performed using $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events recorded by the {BESIII} d…

hep-ex2025

Observation and branching fraction measurement of the decay $J / I ¨ \to p ˉ I^£^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / I ¨ \to p ˉ I^£^{+} K_{S}^{0}$ and $J / I ¨ \to p I^ˉ £^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\…

hep-ex2025

Search for the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 368.5 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process is sea…

hep-ex2025

Search for the decay $I ¨ _{c 1} (3872) \to I ¨ ^{+} I ¨ ^{-} I ¨ _{c 1}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using a data sample corresponding to an integrated luminosity of 10.9 fb $^{- 1}$ collected at center-of-mass energies from 4.16 to 4.34 GeV with the BESIII detector, we search for t…

hep-ex2025

Partial Wave Analysis of $J / I ¨ \to I^^{3} I^^{3} I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected by the BESIII detector at the BEPCII collider, a partial-wave analysis of the decay $I^^{3} I^^{3} I ¨ $ is performed to in…

Proof of principle for nucleon polarization measurement at BESIII

Measurement of the branching fraction of the decay J/I¨→ppˉ​I^⋅

Observation and branching fraction measurement of the decay J/I¨→pˉ​I^£+KS0​+c.c.

Search for the e+e−→I¨I¨c1​(3872) process at BESIII

Search for the decay I¨c1​(3872)→I¨+I¨−I¨c1​

Partial Wave Analysis of J/I¨→I^3I^3I¨

Measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$

Observation and branching fraction measurement of the decay $J / I ¨ \to p ˉ I^£^{+} K_{S}^{0} + c . c .$

Search for the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process at BESIII

Search for the decay $I ¨ _{c 1} (3872) \to I ¨ ^{+} I ¨ ^{-} I ¨ _{c 1}$

Partial Wave Analysis of $J / I ¨ \to I^^{3} I^^{3} I ¨ $