X. Jia

works on

BESIII 1 charm mesons 1 e+e- collisions 1 mass difference 1 precision measurement 1

From the 1 of 8 linked papers with an AI index.

collaborators

8 papers

hep-ex2026

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

The paper reports a precise measurement of the mass difference between the charm-strange mesons D_s*+ and D_s+ using e⁺e⁻ collision data collected by the BESIII detector.

hep-ex2026

Search for the charmonium semi-leptonic weak decay $J / I ¨ \to D_{s}^{-} e^{+} I^½_{e} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector at a centre-of-mass energy of $s = 3.097 GeV$ , a dedicated searc…

hep-ex2026

Amplitude Analysis of the Isospin-Violating Decay $J / I ¨ \to I^^{3} I^\cdot I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Using $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector, we perform the first amplitude analysis of the process $J / I ¨ \to I^^{3} I^\cdot I ¨ ^{0}$ . The decay is domina…

hep-ex2026

Search for the radiative decays $D^{0} \to I^^{3} K ˉ_{1} (1270)^{0}$ and $D^{+} \to I^^{3} K_{1} (1270)^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

A search for the radiative decays $D^{0} \to I^^{3} K ˉ_{1} (1270)^{0}$ and $D^{+} \to I^^{3} K_{1} (1270)^{+}$ is conducted using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the c…

hep-ex2026

Observation of $D_{s}^{+} \to a_{0} (980)^{+} f_{0} (500)$ in the Amplitude Analysis of $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0} I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +716

We report the first observation of the decay $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0} I^\cdot$ in a data set corresponding to an integrated luminosity of 7.33 fb $^{- 1}$ , collected in $e^{+} e^{-}$ collisions…

hep-ex2026

Search for a hypothetical gauge boson and dark photons in charmonium transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

We report a direct search for a new gauge boson, $X$ , with a mass of $17 MeV / c^{2}$ , which could explain the anomalous excess of $e^{+} e^{-}$ pairs observed in the $^{8} Be$ n…

Precision Measurement of Ds∗+​-Ds+​ Mass Difference

Search for the charmonium semi-leptonic weak decay J/I¨→Ds−​e+I^½e​+c.c.

Amplitude Analysis of the Isospin-Violating Decay J/I¨→I^3I^⋅I¨0

Search for the radiative decays D0→I^3Kˉ1​(1270)0 and D+→I^3K1​(1270)+

Observation of Ds+​→a0​(980)+f0​(500) in the Amplitude Analysis of Ds+​→I¨+I¨0I¨0I^⋅

Search for a hypothetical gauge boson and dark photons in charmonium transitions

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

Search for the charmonium semi-leptonic weak decay $J / I ¨ \to D_{s}^{-} e^{+} I^½_{e} + c . c .$

Amplitude Analysis of the Isospin-Violating Decay $J / I ¨ \to I^^{3} I^\cdot I ¨ ^{0}$

Search for the radiative decays $D^{0} \to I^^{3} K ˉ_{1} (1270)^{0}$ and $D^{+} \to I^^{3} K_{1} (1270)^{+}$

Observation of $D_{s}^{+} \to a_{0} (980)^{+} f_{0} (500)$ in the Amplitude Analysis of $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0} I^\cdot$