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49 results on '"X. M. Xia"'

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

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

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

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

5. RECENT RESULTS FROM BESII J/ψ DECAYS

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

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

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

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

10. 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

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

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

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

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

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

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

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

18. The BES upgrade

19. Measurement of the Total Cross Section for Hadronic Production bye+e−Annihilation at Energies between 2.6–5 GeV

20. Partial wave analysis of J/ψ→γ(ηπ+π−)

21. Experimental Study ofJ/ψRadiative Decay toπ0π0

22. Evidence for the leptonic decay D→μν

23. Search forψ(2S)production ine+e−annihilations at 4.03 GeV

24. Direct measurement ofB(Ds+→φX+)

25. Structure Analysis of thefJ(1710)in the Radiative DecayJ/ψ→γK+K−

26. Direct measurement of theDsbranching fraction to φπ

27. A measurement of decay widths

28. The BES detector

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

30. Measurements ofJ/ψandψ(2S)decays intoΛΛ¯π0andΛΛ¯η

31. Measurements of the ContinuumRudsandRValues ine+e−Annihilation in the Energy Region between 3.650 and 3.872 GeV

32. Improved measurement ofψ(2S)decays intoτ+τ−

33. Observation of a Broad1--Resonant Structure around1.5 GeV/c2in theK+K−Mass Spectrum inJ/ψ→K+K−π0

34. Observation of a Near-Threshold Enhancement in theωϕMass Spectrum from the Doubly OZI-Suppressed DecayJ/ψ→γωϕ

35. Measurement of the final statesωπ0,ρη, andρη′fromψ(2S)electromagnetic decays ande+e−annihilations

36. Observation ofK*(892)0K¯*(892)0inχcJdecays

37. Observation of a Threshold Enhancement in thepΛ¯Invariant-Mass Spectrum

38. ψ(2S)decays intoJ/ψplus two photons

39. Measurement of inclusive momentum spectra and multiplicity distributions of charged particles ats∼2–5GeV

40. Observation of the Decayψ(2S)→KS0KL0

41. Improved measurement of the branching ratio ofJ/ψ→KS0KL0

42. Observation of a Near-Threshold Enhancement in thepp¯Mass Spectrum from RadiativeJ/ψ→γpp¯Decays

43. First measurement of the branching fraction of the decayψ(2S)→τ+τ−

44. Radiative Decay of the \psi(2S) into Two Pseudoscalar Mesons

45. Measurement of the inclusive charm cross section at 4.03 GeV and 4.14 GeV

46. Study of the hadronic decays ofχcstates

47. Direct Measurement of the Pseudoscalar Decay Constant, f_D_s

48. Study of J/ψ decaying into ωpp̄

49. Search for ψ(3770)→ charmless final states involving η or π 0 mesons

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