Suchen

Suchen

Neu anfangen Sie suchten nach: Autor Liu, Y Filter Autor: Liu, Y entfernen Organisationseinheit Experimentelle Physik III.1 Filter Organisationseinheit: Experimentelle Physik III.1 entfernen

Suchergebnisse

1. Design and construction of the BESIII detector

2. Observation of e^{+}e^{-} → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

3. Observation of a pp̄ mass threshold enhancement in Ψ′ → π+π−J/Ψ(J/Ψ → γ pp̄) decay

4. Study of the $f_{0}(980)$ through the decay $D_{s}^{+} \to π^{+} π^{-} e^{+} ν_{e}$

5. Determination of the number of J/$ψ$ events with J/$ψ$ \rightarrow decays

6. Observation of the decay ψ(3686) \to Σ^-\barΣ^+ and measurement of its angular distribution

7. Search for the semileptonic decays D^+_s \to K_1(1270)^0 e^+ν_e and D^+_s \to b_1(1235)^0 e^+ν_e

8. Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

9. Measurement of the cross section of e^+e^-\rightarrowΞ^{-}\barΞ^{+} at center-of-mass energies between 3.510 and 4.843 GeV

10. Observation of D^{+}\to K_{S}^{0}a_{0}(980)^{+} in the amplitude analysis of D^{+} \to K_{S}^{0}π^+η

11. Measurements of the absolute branching fractions of Ω^- decays and test of the ΔI = 1/2 rule

12. Measurement of the e^{+}e^{-} \to K_{S}^{0} K_{L}^{0} π^{0} cross sections from \sqrt{s}= 2.000 to 3.080 GeV

13. Investigation of the ΔI = 1/2 rule and test of CP violation through the measurement of decay asymmetry parameters in Ξ^- decays

14. Updated measurements of the M1 transition ψ(3686) \to γ η_{c}(2S) with η_{c}(2S) \to K \bar{K} π

15. First measurement of ΛN inelastic scattering with Λ from e^{+} e^{-} \rightarrow J/ψ\to Λ\barΛ

16. Measurement of e^{+}e^{-}\rightarrowηJ/ψ Cross Section from \sqrt{s}= 3.808 GeV to 4.951 GeV

17. Search for J/ψ weak decays containing D meson

18. Measurement of the cross sections for e^+e^-\toηπ^+π^- at center-of-mass energies between 2.00 and 3.08 GeV

19. Observation of the $ψ(3686)$ decays into $Σ^{+}\barΣ^{-}ω$ and $Σ^{+}\barΣ^{-}{\mathcalφ}$

20. Study of the doubly Cabibbo-suppressed decays D^+_s\to K^+K^+π^- and D^+_s\to K^+K^+π^-π^0

21. Observation of the Anomalous Shape of X(1840) in J/ψ\rightarrow γ3(π^+ π^-)

22. Search for an invisible muon philic scalar X_{0} or vector X_{1} via J/ψ\toμ^+μ^-+\rm{invisible} decay at BESIII

23. Observation and branching fraction measurement of the decay J\!/\!ψ \rightarrow \bar{p} Σ^{+} K_{S}^{0} + c.c.

24. Evidence of the Singly Cabibbo Suppressed decay Λ_c^+\to pπ^0

25. Study of the decay J/ψ\to φπ^{0}η

26. Improved measurement of the decays η' \to π^{+}π^{-}π^{+(0)}π^{-(0)} and search for the rare decay η' \to 4π^{0}

27. First observation of Λ_c^+\rightarrowΛK^+π^0 and evidence of Λ_c^+\rightarrowΛK^+π^+π^-

28. Measurement of Branching Fractions for Λ_{c}^{+} \rightarrow n K_{S}^{0} π^{+} and Λ_{c}^{+} \rightarrow n K_{S}^{0} K^{+}

29. Amplitude Analysis of D^0\toπ^+π^-π^+π^- and π^+π^-π^0π^0

30. Search for D^{0}\to K_{S}^{0} K^{-} e^{+}ν_{e}, D^{+}\to K_{S}^{0} K_{S}^{0} e^{+}ν_{e}, and D^{+}\to K^{+}K^{-} e^{+}ν_{e}

31. Observation of significant flavor-SU(3) breaking in the kaon wave function at 12~{\rm GeV}^2

32. Measurements of Σ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

33. Search for the decay χ_{c1}(3872)\toπ^{+}π^{-}χ_{c1}

34. Observation of $χ_{cJ}\to 3(K^+K^-)$

35. Search for a massless particle beyond the Standard Model in the $Σ^+\rightarrow p+{\rm invisible}$ decay

36. Partial Wave Analysis of $J/ψ\rightarrow γγφ$

37. Observation of $\mathcal R(3810)$ in $e^+e^-\rightarrow {\rm hadrons}$ and Improved Measurements of the Resonance Parameters of $\mathcal R(3760)$ and $\mathcal R(3780)$

38. Improved measurements of the Dalitz decays $η/η'\rightarrowγ e^{+}e^{-}$

39. First measurements of the absolute branching fraction of $Λ_{c}(2625)^{+}\to Λ^{+}_{c}π^+π^-$ and upper limit on $Λ_{c}(2595)^{+}\to Λ^{+}_{c}π^+π^-$

40. First observation of the decay $Λ^+_c\to nK^{0}_{S}π^+π^0$

41. Observation of $ψ(3686) \to Ω^- K^+ \barΞ^0 $+c.c

42. First study of antihyperon-nucleon scattering $\barΛp\rightarrow\barΛp$ and measurement of $Λ p\rightarrowΛp$ cross section

43. A New Look at the Scalar Meson $f_0(500)$ via $D^+\to π^+π^-\ell^+ν_\ell$ Decays

44. Study of $e^{+}e^{-}\rightarrowπ^{+}π^{-}π^{0}$ at $\sqrt{s}$ from 2.00 to 3.08 GeV at BESIII

45. Observation of structures in the processes $e^+e^-\rightarrowωχ_{c1}$ and $ωχ_{c2}$

46. Measurement of the Electromagnetic Transition Form-factors in the decays $η'\rightarrowπ^+π^-l^+l^-$

47. Precise Measurement of Born Cross Sections for $e^+e^-\to D\bar{D}$ and Observation of One Structure between $\sqrt{s} = 3.80-4.95$ GeV

48. Measurements of Normalized Differential Cross Sections of Inclusive $η$ Production in $e^{+}e^{-}$ Annihilation at Energy from 2.0000 to 3.6710 GeV

49. Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

50. Observation of $ψ(3686)\to 3φ$

51. Observation of the Singly Cabibbo-Suppressed Decay Λ_{c}^{+}\to Σ^{-}K^{+}π^{+}

52. Measurement of the absolute branching fraction of the three-body decay Λ_{c}^+ \to Ξ^{0}K^{+}π^{0} and search for Λ_{c}^+ \to nK^+π^0, Σ^{0}K^{+}π^{0} and ΛK^{+}π^{0}

53. Determination of Spin-Parity of the X(2370) in J/ψ\rightarrowγK^{0}_{S}K^{0}_{S}η^{\prime}

54. Measurements of Born Cross Sections for e^+e^-\to Λ_{c}^+ \barΛ_{c}(2595)^- + {\rm c.c.} and e^+e^-\to Λ_{c}^+ \barΛ_{c}(2625)^- + {\rm c.c.} at \sqrt{s}=4918.0 and 4950.9 MeV

55. Measurement of Born cross section of $e^{+}e^{-}\rightarrowΣ^{+}\barΣ^{-}$ at center-of-mass energies between 3.510 and 4.951 GeV

56. Determination of the Λc+ spin via the reaction e+e- → Λc(Λ)over-barc

57. Observation of a Near-Threshold Structure in the K+ Recoil-Mass Spectra in e+e−→K+(Ds−D*0+Ds*−D0)

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

59. Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

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

61. Measurement of the D → K-pi(+)pi(+)pi(-) and D → K-pi(+)pi(0) coherence factors and average strong-phase differences in quantum-correlated D(D)over-bar decays

62. Search for the decay Ds+ → a0(980)0e+νe

63. Amplitude analysis and branching-fraction measurement of Ds+ → KS0K- π+π+

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

65. Measurement of Branching Fractions of J/ψ and ψ(3686) decays to Σ^{+} and \overlineΣ^-

66. Measurement of e^+e^-\toγχ_{c0,c1,c2} cross sections at center-of-mass energies between 3.77 and 4.60 GeV

67. Cross Section Measurement of e^+e^- → π^+π^-ψ(3686) from √s =4.0076 GeV to 4.6984 GeV

68. First Measurement of the Absolute Branching Fraction of Λ\to p μ^- \barν_μ

69. First Measurement of Polarizations in the Decay D⁰→ωφ

70. Measurement of the cross section for e^{+}e^{-} → Λ\barΛ and evidence of the decay ψ(3770) → wΛ\barΛ

71. Search for the hyperon semileptonic decay Ξ^{-} → Ξ^{0} e^{-} \bar{ν_{e}}

72. Amplitude analysis of the D_s^{+} \rightarrow π^{+} π^{-} π^{+} decay

73. Observation of ψ(3686)\toΞ(1530)^{0}\barΞ(1530)^{0} and Ξ(1530)^{0}\barΞ^0

74. Measurement of the branching fraction for ψ(3686)\to ω K^0_SK^0_S

75. Measurement of the absolute branching fractions for purely leptonic Ds+ decays

76. Search for a CP-odd light Higgs boson in J/ψ\to γA^0

77. Amplitude analysis and branching fraction measurement of the decay D_{s}^{+} \to π^{+}π^{0}π^{0}

78. Cross sections for the reactions e^+e^-\rightarrow K^+K^-π^+π^-(π^0), K^+K^-K^+K^-(π^0), π^+π^-π^+π^-(π^0), p\bar{p}π^+π^-(π^0) in the energy region between 3.773 and 4.600 GeV

79. Observation of D^{0(+)}\to K^0_Sπ^{0(+)}ω and improved measurement of D^0\to K^-π^+ω

80. Search for invisible decays of the $Λ$ baryon

81. Study of the decay D_s^+\to K_S^0K_S^0π^+ and observation an isovector partner to f₀(1710)

82. Observation of the doubly Cabibbo-Suppressed decays D^+\to K^+π^0π^0 and D^+\to K^+π^0η

83. Study of light scalar mesons through D_s^+ \to π^0 π^0 e^+ ν_e and K_S^0 K_S^0 e^+ ν_e decays

84. Observation of e+e-→ ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

85. Search for the hyperon semileptonic decay Ξ- → Ξ0e- (ν)over-bare

86. Measurement of the Absolute Branching Fraction of Ds+ → τ+ντ via τ+ → e+νe(ν)over-barτ

87. Cross section measurement of e+e- → π+ π- ψ (3686) from √s=4.0076 GeV to 4.6984 GeV

88. Measurement of the doubly Cabibbo-suppressed decay D+ → K+π+π-π0 with semileptonic tags

89. Observation of a near-threshold enhancement in the Λ(Λ)over-bar mass spectrum from e+e- → φΛ(Λ)over-bar at √S is from 3.51 to 4.60 GeV

90. Determination of the absolute branching fractions of D0 → K-e+νe and D+ → (K)over-bar0e+νe

91. Observation of D0 → K1 (1270) -e+νe

92. First Measurement of the Absolute Branching Fraction of Λ → pμ-(ν)over-barμ

93. Amplitude analysis and branching fraction measurement of Ds+→ K- K+ π+ π0

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

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

96. Measurement of the branching fraction for ψ (3686) →ωKS0KS0Y

97. Measurement of the absolute branching fraction of inclusive semielectronic Ds+ decays

98. Search for the rare semi-leptonic decay J/ψ → D-e+νe + c.c.

99. Amplitude analysis and branching-fraction measurement of Ds+ → KS0π+π0

100. Measurements of the branching fractions of ψ(3686) → (Σ)over-bar0Λ + c.c: and χcJ(J=0,1,2) → Λ(Λ)over-bar