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101 results on '"R Y Li"'

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1. Observation of a Resonance X(1835) in J/ψ→γπ+π−η′

2. Observation of a Near-Threshold Enhancement in the pp¯ Mass Spectrum from Radiative J/ψ→γpp¯ Decays

3. Measurements of the Cross Section for e+e− → Hadrons at Center-of-Mass Energies from 2 to 5 GeV

4. Measurement of J/ψ decays into ΛbarLambda π + π −

5. First evidence of ψ(2 S ) → Ω − +

6. Observation of charged κ in J/ψ→K⁎(892)∓KSπ±, K⁎(892)∓→KSπ∓ at BESII

7. A study of charged κ in J/ψ→K±KSπ∓π0

8. Measurement of the branching fractions for J/ψ→pp¯η and pp¯η′

9. R value measurements for e+e− annihilation at 2.60, 3.07 and 3.65 GeV

10. RECENT RESULTS FROM BESII J/ψ DECAYS

11. Measurements of the observed cross sections for e+e−→ exclusive light hadrons containing π0π0 at s=3.773, 3.650 and 3.6648 GeV

12. Measurements of the line shapes of DD¯ production and the ratio of the production rates of D+D− and D0D¯0 in e+e− annihilation at ψ(3770) resonance

13. Search for the rare decays J/ψ→Ds−π+, J/ψ→D−π+, and J/ψ→D¯0K¯0

14. Determination of the ψ(3770), ψ(4040), ψ(4160) and ψ(4415) resonance parameters

15. First observation of J/ψ and ψ(2S) decaying to nKS0Λ¯+c.c

16. Direct measurements of the branching fractions for inclusive K± and inclusive semileptonic decays of D+ and D0 mesons

17. Measurements of the observed cross sections for exclusive light hadron production in e+e− annihilation at s=3.773 and 3.650 GeV

18. Experimental studies of the π+π-π+π-π0, K+K-π+π-π0 and pp̄π+π-π0 final states produced in e+e- annihilation at $\sqrt{s}= 3.773$ and 3.650 GeV

19. The design and mass production on Resistive Plate Chambers for the BESIII experiment

20. Precision measurements of the mass, the widths of ψ(3770) resonance and the cross section σ[e+e−→ψ(3770)] at Ecm=3.7724 GeV

21. Measurements of the observed cross sections for e+e−→light hadrons at s=3.773 and 3.650 GeV

22. Measurements of ψ(2S) decays to octet baryon–antibaryon pairs

23. Partial wave analyses of J/ψ→γπ+π− and γπ0π0

24. Measurements of χcJ→K+K−K+K− decays

25. Measurements of the cross sections for e+e−→hadrons at 3.650, 3.6648, 3.773 GeV and the branching fraction for ψ(3770)→non-DD¯

26. Evidence for κ meson production in J/ψ→K¯∗(892)0K+π− process

27. Study of the J/ψ decays to ΛΛ¯ and Σ0Σ¯0

28. Measurement of the cross section for e+e−→pp¯ at center-of-mass energies from 2.0 to 3.07 GeV

29. Measurement of branching fractions for the inclusive Cabibbo-favored K¯∗0(892) and Cabibbo-suppressed K∗0(892) decays of neutral and charged D mesons

30. Observation of the decay ψ(2S)→K∗(892)K¯+c.c

31. Measurements of J/ψ decays into 2(π+π−)η and 3(π+π−)η

32. Direct measurement of the pseudoscalar decay constant fD+

33. A new surface treatment for the prototype RPCs of the BESIII spectrometer

34. Direct measurement of the branching fraction for the decay of D+→K¯0e+νe and determination of Γ(D0→K−e+νe)/Γ(D+→K¯0e+νe)

35. Evidence of ψ(3770) non-DD¯ decay to J/ψπ+π−

36. Search for the lepton flavor violation processes J/ψ→ μτ and eτ

37. Direct measurements of the branching fractions for D0→K−e+νe and D0→π−e+νe and determinations of the form factors f+K(0) and f+π(0)

38. Search for K0SK0S in J/ψ and ψ(2S) decays

39. Measurements of the mass and full-width of the ηc meson

40. X‐ray optics of diffractors curved to a logarithmic spiral

41. Properties of fixed‐position Bragg diffractors for parallel detection of x‐ray spectra

42. Experimental studies of e + e −→ some charmless processes containing K S 0 at $\sqrt{s}=3.773$ and 3.65 GeV

43. Partial wave analysis ofJ/ψ→pp¯π0

44. First measurements ofJ/ψdecays intoΣ+Σ¯−andΞ0Ξ¯0

45. Search for the Invisible Decay ofJ/ψinψ(2S)→π+π−J/ψ

46. Observation ofY(2175)inJ/ψ→ηϕf0(980)

47. Measurements ofJ/ψdecays intoωKK¯π,ϕKK¯πandηKs0K±π∓

48. Search for the decaysJ/ψ→γρϕandJ/ψ→γρω

49. Direct measurements of the non-DD¯cross sectionσψ(3770)→non−DD¯atEcm=3.773 GeVand the branching fraction forψ(3770)→non−DD¯

50. Search for theC-parity violating processJ/ψ→γγviaψ(2S)→π+π−J/ψ

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