L. Yan

collaborators

7 papers

hep-ex2024

Observation of $D^{+} \to f_{0} (500) I^¼^{+} I^½_{I^} ¼$ and study of $D^{+} \to I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decay dynamics

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

Using $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy of 3.773 GeV,we investigate the semileptonic decays $D^+\to…

hep-ex2024

Observation of the Electromagnetic Dalitz Transition $h_{c} \to e^{+} e^{-} I^\cdot_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $I ¨ (3686)$ decays and data samples of $e^{+} e^{-}$ collisions with $s$ from 4.130 to 4.780~GeV collected with the BESIII detector, we report th…

hep-ex2024

Evidence of the Singly Cabibbo Suppressed decay $I^_{c}^{+} \to p I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Evidence for the singly Cabibbo suppressed decay $I^_{c}^{+} \to p I ¨ ^{0}$ is reported for the first time with a statistical significance of $3.7 I ¨ $ based on 6.0 $fb^{- 1}$ of $e^+…

hep-ex2024

Search for the leptonic decays $D^{+} \to e^{+} I^½_{e}$ and $D^{+} \to I^¼^{+} I^½_{I^} ¼$

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

We present the first search for the leptonic decays $D^{*+} \to e^{+} I^½_{e}$ and $D^{*+} \to I^¼^{+} I^½_{I^} ¼$ by analyzing a data sample of electron-positron collisions recorded with the BESII…

hep-ex2024

Measurement of the absolute branching fraction of the three-body decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ and search for $I^_{c}^{+} \to n K^{+} I ¨ ^{0}$ , $I^£^{0} K^{+} I ¨ ^{0}$ and $I^ K^{+} I ¨ ^{0}$

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

The Cabbibo-favored decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ is studied for the first time using 6.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies between 4.600 and…

hep-ex2024

Observation of the Singly Cabibbo-Suppressed Decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

The singly Cabibbo-suppressed decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$ is observed for the first time with a statistical significance of $6.4 I ¨ $ by using 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ c…

Observation of D+→f0​(500)I^¼+I^½I^​¼ and study of D+→I¨+I¨−ℓ+I^½ℓ​ decay dynamics

Observation of the Electromagnetic Dalitz Transition hc​→e+e−I^⋅c​

Evidence of the Singly Cabibbo Suppressed decay I^c+​→pI¨0

Search for the leptonic decays D∗+→e+I^½e​ and D∗+→I^¼+I^½I^​¼

Measurement of the absolute branching fraction of the three-body decay I^c+​→I^0K+I¨0 and search for I^c+​→nK+I¨0, I^£0K+I¨0 and I^K+I¨0

Observation of the Singly Cabibbo-Suppressed Decay I^c+​→I^£−K+I¨+

Observation of $D^{+} \to f_{0} (500) I^¼^{+} I^½_{I^} ¼$ and study of $D^{+} \to I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decay dynamics

Observation of the Electromagnetic Dalitz Transition $h_{c} \to e^{+} e^{-} I^\cdot_{c}$

Evidence of the Singly Cabibbo Suppressed decay $I^_{c}^{+} \to p I ¨ ^{0}$

Search for the leptonic decays $D^{+} \to e^{+} I^½_{e}$ and $D^{+} \to I^¼^{+} I^½_{I^} ¼$

Measurement of the absolute branching fraction of the three-body decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ and search for $I^_{c}^{+} \to n K^{+} I ¨ ^{0}$ , $I^£^{0} K^{+} I ¨ ^{0}$ and $I^ K^{+} I ¨ ^{0}$

Observation of the Singly Cabibbo-Suppressed Decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$