X. Lyu

activity

20242026

collaborators

13 papers

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

Observation of the $X (2370)$ in $J / I ¨ \to I^^{3} K_{S}^{0} K_{S}^{0} I ¨ ^{0}$ and $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +767

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector, the $J / I ¨ \to I^^{3} K_{S}^{0} K_{S}^{0} I ¨ ^{0}$ and $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I^\cdot$ processe…

hep-ex2026

Search for sub-GeV dark particles in $I^\cdot \to I ¨ ^{0} + invisible$ decay

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

Using (10087 $\pm$ 44) $\times$ 10 $^{6}$ $J / I ¨ $ events collected with the BESIII detector at the BEPCII collider at the center-of-mass energy of $s = 3.097 GeV$ , we report th…

hep-ex2026

Observation of $I ¨ (3686) \to I^^{-} K_{S}^{0} I^ˉ c ◯^{+}$ +c.c

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

Using a sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $I ¨ (3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $Ï(3686) \to Î^- K^0_S…

hep-ex2026

First evidence for $D_{s}^{+} \to f_{1} (1420) e^{+} I^½_{e}$ and search for $D_{s}^{+} \to f_{1} (1285) e^{+} I^½_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +706

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 7.33~ $f b^{- 1}$ recorded by the BESIII detector at center-of-mass energies between 4.128 and 4.226~$…

hep-ex2026

Search for the reaction channel $e^{+} e^{-} \to I^\cdot I^\cdot J / I ¨ $ and the isospin partner of the $Z_{c} (3900)$ at center-of-mass energies $s = 4.226 - 4.950$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

We search for the reaction channel $e^{+} e^{-} \to I^\cdot I^\cdot J / I ¨ $ in a data sample with center-of-mass energies from 4.226 to 4.950~GeV, which was collected by the BESIII detector operat…

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

Observation of the X(2370) in J/I¨→I^3KS0​KS0​I¨0 and J/I¨→I^3I¨0I¨0I^⋅

Search for sub-GeV dark particles in I^⋅→I¨0+invisible decay

Observation of I¨(3686)→I^−KS0​I^ˉc◯++c.c

First evidence for Ds+​→f1​(1420)e+I^½e​ and search for Ds+​→f1​(1285)e+I^½e​

Search for the reaction channel e+e−→I^⋅I^⋅J/I¨ and the isospin partner of the Zc​(3900) at center-of-mass energies s​=4.226−4.950 GeV

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

Observation of the $X (2370)$ in $J / I ¨ \to I^^{3} K_{S}^{0} K_{S}^{0} I ¨ ^{0}$ and $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I^\cdot$

Search for sub-GeV dark particles in $I^\cdot \to I ¨ ^{0} + invisible$ decay

Observation of $I ¨ (3686) \to I^^{-} K_{S}^{0} I^ˉ c ◯^{+}$ +c.c

First evidence for $D_{s}^{+} \to f_{1} (1420) e^{+} I^½_{e}$ and search for $D_{s}^{+} \to f_{1} (1285) e^{+} I^½_{e}$

Search for the reaction channel $e^{+} e^{-} \to I^\cdot I^\cdot J / I ¨ $ and the isospin partner of the $Z_{c} (3900)$ at center-of-mass energies $s = 4.226 - 4.950$ GeV