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9,183 results on '"Chelkov, G"'

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1. Search for $\Lambda$-$\bar{\Lambda} $ oscillation in $J/\psi\rightarrow\Lambda\bar{\Lambda}$ decay

2. Measurement of the branching fraction of $D^+ \to \tau^+\nu_{\tau}$

3. Search for $\eta_c(2S)\to p\bar{p}$ and branching fraction measurements of $\chi_{cJ} \to p\bar{p}$ via $\psi(2S)$ radiative decays

4. Measurement of the branching fractions of the decays $\Lambda_{c}^{+}\rightarrow\Lambda K_{S}^{0}K^{+}$, $\Lambda_{c}^{+}\rightarrow\Lambda K_{S}^{0}\pi^{+}$ and $\Lambda_{c}^{+}\rightarrow\Lambda K^{*+}$

5. Observation of a rare beta decay of the charmed baryon with a Graph Neural Network

6. Observation of $\chi_{c0}\to\Sigma^{+}\bar{\Sigma}^{-}\eta$ and evidence for $\chi_{c1,2}\to\Sigma^{+}\bar{\Sigma}^{-}\eta$

7. Observation of the Singly Cabibbo-Suppressed Decay $\Lambda_c^{+}\to p\pi^0$

8. Search for $e^{+}e^{-} \to \phi \chi_{c0}$ and $\phi\eta_{c2}(1D)$ at center-of-mass energies from 4.47 to 4.95 GeV

9. Observation of $\chi_{cJ}\to p \bar p K^0_S K^- \pi^+ + c.c.$

10. Observation of $D^+\to\eta^\prime\mu^+\nu_\mu$ and First Study of $D^+\to \eta^\prime \ell^+\nu_\ell$ Decay Dynamics

11. Precision Measurement of the Branching Fraction of $D^{+}\to \mu^{+}\nu_{\mu}$

12. Observation of an axial-vector state in the study of $\psi(3686) \to \phi \eta \eta'$ decay

13. Search for the radiative decays $D^+\to\gamma\rho^+$ and $D^+\to\gamma K^{*+}$

14. Search for lepton number violating decays of $D_s^+\to h^-h^0e^+e^+$

15. Search for $D^0\to K^-\eta e^+\nu_e$, $D^+\to K_S^0 \eta e^+\nu_e$ and $D^+\to \eta\eta e^+\nu_e$ decays

16. Measurements of the $CP$-even fractions of $D^0\to\pi^{+}\pi^{-}\pi^{0}$ and $D^0\to K^{+}K^{-}\pi^{0}$ at BESIII

17. Study of the decay $D^0\rightarrow \rho(770)^-e^+\nu_e$

18. Search for the massless dark photon with $D^0\to\omega\gamma'$ and $D^0\to\gamma\gamma'$

19. Study of $D^{+} \to K_{S}^{0}K^{*}(892)^{+}$ in $D^{+} \to K_{S}^{0} K_{S}^{0} \pi^{+}$

20. Measurement of Born cross sections of $e^+e^-\to\Xi^0\bar{\Xi}^0$ and search for charmonium(-like) states at $\sqrt{s}$ = 3.51-4.95 GeV

21. Search for $h_c \to \pi^+\pi^-J/\psi$ via $\psi(3686)\to \pi^0h_c$

22. Measurement of the Decay $\Xi^{0}\to\Lambda\gamma$ with Entangled $\Xi^{0}\bar{\Xi}^{0}$ Pairs

23. Model-independent determination of the strong-phase difference between $D^0$ and $\bar{D}^0 \to \pi^+\pi^-\pi^+\pi^-$ decays

24. Search for the rare decay $J/\psi \to \gamma D^0+c.c.$ at BESIII

25. Search for $\eta_c(2S)\to\omega\omega$ and $\omega\phi$ decays and measurements of $\chi_{cJ}\to\omega\omega$ and $\omega\phi$ in $\psi(2S)$ radiative processes

26. Analysis of the dynamics of the decay $D^{+}\to K_{S}^{0} \pi^{0} e^{+}\nu_{e}$

27. Measurement of the Branching Fraction of \boldmath{$\psi(2S) \to \gamma \pi^0$}

28. Measurement of $\Sigma^+$ transverse polarization in $e^+e^-$ collisions at $\sqrt{s} = 3.68-3.71$ GeV

29. Observation of $\eta_{c}(2S) \to K^{+}K^{-}\eta$

30. Search for $X(3872)\to\pi^0\pi^0\chi_{c1,2}$

31. Partial wave analysis of $\psi(3686)\to\Lambda\bar\Sigma^0\pi^0+c.c.$

32. Observation of $D^0\to b_1(1235)^- e^+\nu_e$ and evidence for $D^+\to b_1(1235)^0 e^+\nu_e$

33. Measurement of the $\boldsymbol{e^{+}e^{-}\to K^+K^-\psi(2S)}$ Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for $\boldsymbol{Z_{cs}^{\pm}}$ in the $\boldsymbol{Z_{cs}^\pm\to K^\pm\psi(2S)}$ Decay

34. Search for $\eta_{c}(2S)\to K^+ K^- \eta^{\prime}$ decay

35. Observation of $\Lambda_c^+ \to \Lambda a_0(980)^+$ and Evidence for $\Sigma(1380)^+$ in $\Lambda_c^+ \to \Lambda \pi^+ \eta$

36. Measurement of the branching fraction of $D^+_s\to \ell^+\nu_\ell$ via $e^+e^-\to D^{*+}_{s} D^{*-}_{s}$

37. Study of the decay and production properties of $D_{s1}(2536)$ and $D_{s2}^*(2573)$

38. Measurement of the branching fraction of the decay $J/\psi \to p \bar{p} \eta$

39. Observation of the Electromagnetic Dalitz Transition $h_c \rightarrow e^+e^-\eta_c$

40. Improved measurement of the semileptonic decay $D^+_{s}\to K^0 e^+\nu_e$

41. Measurement of the cross sections of $e^+e^-\to K^{-}\bar\Xi^{+}\Lambda/\Sigma^{0}$ at center-of-mass energies between 3.510 and 4.914 GeV

42. Measurements of $K_S^0$-$K_L^0$ asymmetries in the decays $\Lambda_c^+ \to pK_{L,S}^0$, $pK_{L,S}^0\pi^+\pi^-$ and $pK_{L,S}^0\pi^0$

43. Study of the $f_{0}(980)$ through the decay $D_{s}^{+}\rightarrow \pi^{+}\pi^{+}\pi^{-}\pi^{0}$

44. Search for the $e^+e^- \to \phi\chi_{c1}(3872)$ process at BESIII

45. Search for $X(1870)$ via the decay $J/\psi\to \omega K^+ K^-\eta$

46. Observation of $\eta_{c}$(1S, 2S) and $\chi_{cJ}$ decays to 2$(\pi^{+}\pi^{-})\eta$ via $\psi$(3686) radiative transitions

47. Strong and weak $CP$ tests in sequential decays of polarized $\Sigma^0$ hyperons

48. Measurement of the integrated luminosity of the data collected at 3.773 GeV by BESIII from 2021 to 2024

49. Measurements of the branching fractions of the $P$-wave charmonium spin-singlet state $h_c(^1P_1) \to h^+ h^-\pi^0/\eta$

50. Measurements of the branching fractions of semileptonic $D^{+}_s$ decays via $e^+e^-\to D_s^{*+}D_s^{*-}$

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