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221 results on '"Zhong, B"'

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1. Measurement of the absolute branching fractions of <math><mi>J</mi><mo>/</mo><mi>ψ</mi><mo>→</mo><mi>γ</mi><mi>η</mi></math> and <math><mi>η</mi></math> decay modes

2. Measurement of the absolute branching fractions for purely leptonic D+s decays

3. Search for the decay <math><msubsup><mi>D</mi><mi>s</mi><mo>+</mo></msubsup><mo>→</mo><msub><mi>a</mi><mn>0</mn></msub><mo>(</mo><mn>980</mn><msup><mo>)</mo><mn>0</mn></msup><msup><mi>e</mi><mo>+</mo></msup><msub><mi>ν</mi><mi>e</mi></msub></math>

4. Observation of <math><msup><mi>η</mi><mo>′</mo></msup><mo>→</mo><msup><mi>π</mi><mo>+</mo></msup><msup><mi>π</mi><mo>−</mo></msup><msup><mi>μ</mi><mo>+</mo></msup><msup><mi>μ</mi><mo>−</mo></msup></math>

5. Measurements of the center-of-mass energies of e+e- collisions at BESIII

6. Measurement of the branching fraction for ψ(3686)→ωKS0KS0

7. Observation of a near-threshold enhancement in the Λ Λ ¯ mass spectrum from e+e- →φ Λ Λ ¯ at s from 3.51 to 4.60 GeV

8. Cross sections for the reactions e+e- →k+K-π+π- (π0), K+K-K+K- (π0), π+π-π+π- (π0), p p ¯ π+π- (π0) in the energy region between 3.773 and 4.600 GeV CROSS SECTIONS for the REACTIONS between 3.773 and 4.600 GeV

9. Measurements of Born cross sections of e+e−→Ds*+DsJ−+c.c

10. Measurement of cross section for e(+)e(-) -> Xi(-)(Xi)over-bar(+) near threshold at BESIII

11. Amplitude analysis and branching fraction measurement of Ds+→K−K+π+π0

12. Oscillating features in the electromagnetic structure of the neutron

13. Study of the Decay D+s → π+π+π−η and Observation of the W-annihilation Decay D+s → a0(980)+ρ0

14. Search for the hyperon semileptonic decay Ξ- --> Ξ0 e- nubar_e

15. Observation of D^{0}→K_{1}(1270)^{-}e^{+}ν_{e}

16. Observation of the electromagnetic Dalitz decay D∗0 →d0e+e

17. Search for the reaction e+e−→χcJπ+π− and a charmoniumlike structure decaying to χcJπ± between 4.18 and 4.60 GeV

18. Cross section measurement of e+e−→pp¯η and e+e−→pp¯ω at center-of-mass energies between 3.773 GeV and 4.6 GeV

19. Measurement of the Born cross sections for e+e- →η′π+π- At center-of-mass energies between 2.00 and 3.08 GeV

20. Measurements of the branching fractions of ψ(3686)→Σ¯0Λ+c.c. and χcJ(J=0,1,2)→ΛΛ¯

21. Study of the decay D+→K*(892)+KS0 in D+→K+KS0π0

22. Study of the process e+e- →φη at center-of-mass energies between 2.00 and 3.08 GeV

23. Measurement of e+e−→γχc0,c1,c2 cross sections at center-of-mass energies between 3.77 and 4.60 GeV

24. Determination of the Λc+ spin via the reaction e+e- → Λc Λ ¯ c

25. Search for new decay modes of the ψ2(3823) and the process e+e−→π0π0ψ2(3823)

26. Cross section measurement of e+e- → KS0 KL0 at s =2.00-3.08 GeV

27. Measurement of branching fractions of J/ψ and ψ(3686) decays to Σ+ and Σ ¯ −

28. Determination of the absolute branching fractions of D0→K−e+νe and D+→K¯0e+νe

29. Study of e+e−→π0X(3872)γ and search for Zc(4020)0→X(3872)γ

30. Search for the X (2370) and observation of ηc →ηηη′ in J /ψ →γηηη′

31. Study of e+e−→2(pp¯) at center-of-mass energies between 4.0 and 4.6 GeV

32. Observation of the decays χ cJ → nKS0Λ¯ + c.c

33. Observation of ψ (3686) → Ξ (1530)0 Ξ ¯ (1530)0 and Ξ (1530)0 Ξ ¯ 0

34. Measurement of the branching fraction of and search for a CP-violating asymmetry in η′→π+π−e+e− at BESIII

35. Amplitude analysis and branching-fraction measurement of Ds+ → KS0 K-π+π+

36. Observation of the decay D0 →ρ-μ+νμ

37. Search for the lepton number violating decay Σ−→pe−e− and the rare inclusive decay Σ−→Σ+X

38. Measurement of the absolute branching fraction of inclusive semielectronic $D_s^+$ decays

39. Search for the reaction channel e+e−→ηcηπ+π− at center-of-mass energies from 4.23 to 4.60 GeV

40. Measurement of the branching fraction of leptonic decay Ds+ →τ+ντ via τ+ →π+π0 ν ¯ τ

41. Measurements of e+e- →ηcπ+π-π0, ηcπ+π-, and ηcπ0γ at s from 4.18 to 4.60 GeV, and search for a Zc state close to the DD ¯ threshold decaying to ηcπ at s =4.23 GeV

42. Observation of psi(3686) -> p(p)over-bar phi

43. Direct Measurement of the Branching Fractions B(ψ(3686)→J/ψX) and B(ψ(3770)→J/ψX), and Observation of the State R(3760) in e^{+}e^{-}→J/ψX

44. Observation of the semimuonic decay <math><msup><mi>D</mi><mo>+</mo></msup><mo>→</mo><mi>ω</mi><msup><mi>μ</mi><mo>+</mo></msup><msub><mi>ν</mi><mi>μ</mi></msub></math>

45. Σ^{+} and Σ[over ¯]^{-} Polarization in the J/ψ and ψ(3686) Decays

46. Study of the process e+e- →π0π0J /ψ and neutral charmoniumlike state Zc (3900)0

47. First measurements of χcJ → Sigma- Sigmabar + (J=0,1,2) decays

48. Search for new hadronic decays of hc and observation of hc →K+K-π+π-π0

49. Search for the semileptonic decay D0 (+) →b1 (1235)- (0)e+νe

50. Observation of the Y(4220) and Y(4390) in the process e + e − → ηJ=ψ

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