P. Egorov

collaborators

5 papers

hep-ex2025

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $e^{+} e^{-}$ data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , we report the first measu…

hep-ex2025

Cross section measurement of $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ and search for $e^{+} e^{-} \to I^\cdot X ~ (3872)$

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

The energy-dependent cross section for $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ is measured at eighteen center of mass energies from 4.288 GeV to 4.951 GeV using the BESIII detector. Using the same da…

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

Measurements of the branching fractions of semileptonic $D_{s}^{+}$ decays via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

We measure the absolute branching fractions of semileptonic $D_{s}^{+}$ decays via the $e^{+} e^{-} \to D_{s}^{*+} D_{s}^{*-}$ process using $e^{+} e^{-}$ collision data corresponding to an integrated…

hep-ex2024

Search for $e^{+} e^{-} \to I ¨ I ¨ _{c 0}$ and $I ¨ I^\cdot_{c 2} (1 D)$ at center-of-mass energies from 4.47 to 4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

Utilizing a data set of $6.7$ fb $^{- 1}$ from electron-positron collisions recorded by the BESIII detector at the BEPCII storage ring, a search is conducted for the processes $e^{+}…

First Measurement of the Decay Dynamics in the Semileptonic Transition of the D+(0) into the Axial-vector Meson Kˉ1​(1270)

Cross section measurement of e+e−→I^⋅I¨(2S) and search for e+e−→I^⋅X~(3872)

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

Measurements of the branching fractions of semileptonic Ds+​ decays via e+e−→Ds∗+​Ds∗−​

Search for e+e−→I¨I¨c0​ and I¨I^⋅c2​(1D) at center-of-mass energies from 4.47 to 4.95 GeV

First Measurement of the Decay Dynamics in the Semileptonic Transition of the $D^{+ (0)}$ into the Axial-vector Meson $K ˉ_{1} (1270)$

Cross section measurement of $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ and search for $e^{+} e^{-} \to I^\cdot X ~ (3872)$

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

Measurements of the branching fractions of semileptonic $D_{s}^{+}$ decays via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

Search for $e^{+} e^{-} \to I ¨ I ¨ _{c 0}$ and $I ¨ I^\cdot_{c 2} (1 D)$ at center-of-mass energies from 4.47 to 4.95 GeV