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Suchergebnisse

1. Search for a long-lived spin-0 mediator in b→s transitions at the Belle II experiment

2. Measurements of the absolute branching fractions and CP asymmetries for D+ -> (KS,LK+)-K-0 (pi(0))

3. Measurement of e(+) e(-) -> K+ K- cross section at root s=2.00-3.08 GeV

4. Observation of e(+) e(-) -> eta Y(2175) at center-of-mass energies above 3.7 GeV

5. Observation of OZI-suppressed decays chi(cJ) -> omega phi

6. Measurement of B(J/psi -> eta ' e(+)e(-)) and search for a dark photon

7. Search for a strangeonium-like structure Z(s) decaying into phi pi and a measurement of the cross section e(+)e(-) -> phi pi pi

8. Study of the Dalitz decay J/psi -> e(+)e(-)eta

9. Dalitz plot analysis of the decay omega -> pi(+) pi(-) pi(0)

10. Observation of chi(cJ) -> 4K(S)(0)

11. Study of electromagnetic Dalitz decays chi(cJ )-> mu(+)mu(-) J/psi

12. Observation of e(+)e(-)-> D-s(+)(D)over-bar(()*()0) K- and study of the P-wave D-s mesons

13. Search for invisible decays of omega and phi with J/psi data at BESIII

14. Measurements of absolute branching fractions for D mesons decays into two pseudoscalar mesons

15. Study of two-photon decays of pseudoscalar mesons via J/Psi radiative decays

16. Measurement of e(+)e(-) -> K(K)over-barJ/psi cross sections at center-of-mass energies from 4.189 to 4.600 GeV

17. Search for h(c) -> pi(+)pi(-) J/psi via psi(3686) -> pi(0)pi(+)pi(-) J/psi

18. Measurement of cross sections of the interactions e(+)e(-) -> phi phi omega and e(+)e(-) -> phi phi phi at center-of-mass energies from 4.008 to 4.600 GeV

19. Improved measurements of branching fractions for eta(c) -> phi phi and omega phi

20. Measurements of the branching fractions for D+ -> (KSKSK+)-K-0-K-0+, (KSKS0)-K-0 pi + and D-0 -> (KSKS0)-K-0, (KSKSKS0)-K-0-K-0

21. Measurements of the absolute branching fractions for D-s(+) -> eta e(+)nu(e) and D-s(+) -> eta ' e(+)nu(e)

22. Observation of D0(+) -> K-S(0)pi(0(+))eta ' and improved measurement of D-0 -> K-pi(+)eta '

23. Amplitude analysis of the KSKS system produced in radiative J/psi decays

24. Measurement of decay-time dependent CP violation in B^0 \rightarrow K^0_S K^0_S K^0_S using 2019--2021 Belle II data

25. Measurement of the photon-energy spectrum in inclusive B→Xsγ decays identified using hadronic decays of the recoil B meson in 2019-2021 Belle II data

26. Determination of |V_{cb}| from B→Dℓν decays using 2019-2021 Belle II data

27. Measurement of the B^{0} \rightarrow D^{*-} \ell^{+} ν_{\ell} branching ratio and |V_{cb}| with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

28. Studies of the semileptonic \bar B^0\to D^{*+}\ell^-\barν_\ell and B^-\to D^{0}\ell^-\barν_\ell decay processes with 34.6 fb^{-1} of Belle II data

29. Measurement of the branching fraction for the decay B→K*(892)ℓ⁺ℓ⁻ at Belle II

30. Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/ψK decays at Belle II

31. Measurement of Branching Fraction and Longitudinal Polarization in B^0 → ρ^+ ρ^- Decays at Belle II

32. Search for B Mesogenesis at BABAR

33. Measurement of the e^+e^-\toπ^+π^-π^0 cross section from 0.7 GeV to 3.0 GeV via initial-state radiation

34. Measurement of the e^{+}e^{-}\toΣ^{0}\barΣ^{0} cross sections at center-of-mass energies from 2.3864 to 3.0200 GeV

35. Study of Dynamics of D^0 → K^- e^+ ν_{e} and D^0 → π^- e^+ ν_{e} Decays

36. Study of the decays D^+\rightarrowη^{(\prime)} e^+ν_{e}

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

38. Measurement of the e^+e^- \to Λ\barΣ^0 + c.c. cross sections at \sqrt{s} from 2.3094 to 3.0800 GeV

39. Search for the lepton number violation decay φ\to π^+ π^+ e^- e^- via J/ψ\to φη

40. Study of e^+e^-\toηφ at center-of-mass energies from 3.773 to 4.600 GeV

41. Improved measurement of the branching fractions for J/ψ\toγπ^0, γη and γη^\prime

42. A coupled-channel analysis of the X(3872) lineshape with BESIII data

43. Production of doubly-charged Δ baryon in e^{+}e^{-} annihilation at energies from 2.3094 to 2.6464 GeV

44. Amplitude analysis and branching fraction measurement of the decay D^{+} \to K_S^0π^+π^0π^0

45. Determination of spin and parity of D^{*}_{(s)} mesons

46. Study of Λ_c^+\rightarrow Λμ^+ν_μ and Test of Lepton Flavor Universality with Λ_c^+\rightarrow Λ \ell^+ν_{\ell} Decays

47. Measurement of e^+e^-\to pK^-\barΛ+c.c. cross sections between 4.009 GeV and 4.951 GeV

48. Search for the semi-muonic charmonium decay J/ψ\to D^{-}μ^{+}ν_μ+c.c.

49. Studies of the decay D^+_s\to K^+K^- μ^+ ν_μ

50. Test of C\!P Symmetry in Hyperon to Neutron Decays

51. Measurement of e^{+}e^{-}\toφη' cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay ψ(3770)\toφη'

52. Improved measurement of the branching fraction of D_s^+\toμ^+ν_μ

53. Observation of the decay J/ψ\to e^+ e^- η(1405) with η(1405) \to π^0 f_0(980)

54. Search for Evidence of Baryogenesis and Dark Matter in B⁺→ψD+p Decays at BABAR

55. Measurement of additional radiation in the initial-state-radiation processes e⁺e⁻→μ⁺μ⁻γ and e⁺e⁻→π⁺π⁻γ at BABAR

56. First Measurement of the Decay Asymmetry of pure W-exchange Decay Λ_{c}^{+}\toΞ^{0}K^{+}

57. Search for a scalar partner of the X(3872) via ψ(3770) decays into γηη' and γπ^{+}π^{-}J/ψ

58. Precise measurement of the branching fractions of J/ψ\rightarrow\barΛπ^{+}Σ^{-}+c.c. and J/ψ\rightarrow\barΛπ^{-}Σ^{+}+c.c

59. Search for the light hadron decay χ_{c1}(3872) \to π^{+}π^{-}η

60. Search for the e^+e^-\toη_{b}(1S)ω and e^+e^-\toχ_{b0}(1P)ω processes at \sqrt{s}=10.745 GeV

61. First measurement of R(X_{τ/\ell}) as an inclusive test of the b \to c τν anomaly

62. Measurement of the τ-lepton mass with the Belle~II experiment

63. Determination of Strong-Phase Parameters in D → K-S,L(0)pi(+)pi(-)

64. Observation of D^+_s\to η^\prime μ^+ν_μ and Measurements of D^+_s\to η^{(\prime)}μ^+ν_μ Decay Dynamics

65. Search for baryon and lepton number violating decays of Ξ⁰ hyperons

66. Search for baryon and lepton number violating decays of Ξ^{0} hyperons

67. Search for the decay J/ψ→γ+ invisible

68. Measurement of the Born cross sections for e+e−→Ds+Ds1(2460)−+c.c. and e+e−→Ds*+Ds1(2460)−+c.c.

69. First measurements of χcJ→Σ−Σ¯+(J=0,1,2) decays

70. Cross section measurement of e+e−→η′J/ψ from s=4.178 to 4.600 GeV

71. Search for the decay Ds+→pp¯e+νe

72. Measurement of branching fractions for D meson decaying into ϕ meson and a pseudoscalar meson

73. Improved measurements of the absolute branching fractions of the inclusive decays D+(0)→ϕX

74. Search for the decay η′→γγη

75. Observation and study of the decay J/ψ→ϕηη′

76. Inclusive charged and neutral particle multiplicity distributions in χcJ and J/ψ decays

77. Model-independent determination of the relative strong-phase difference between D-0 and (D)over-bar(0) -> K-S,L(0)pi(+)pi(-) and its impact on the measurement of the CKM angle gamma/phi(3)

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

79. Search for intermediate resonances and dark gauge bosons in J/ψ→γπ0η′

80. Measurement of singly Cabibbo-suppressed decays D→ωππ

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

82. Search for baryon and lepton number violating decays D+→Λ¯(Σ¯0)e+ and D+→Λ(Σ0)e+

83. Observation of the decays χcJ→ϕϕη

84. Amplitude analysis of D+→KS0π+π+π−

85. Observation of the helicity-selection-rule suppressed decay of the chi(c2) charmonium state

86. Search for the rare decays J/psi -> D(0)e(+) e(-) + c.c. and psi(3686) -> D(0)e(+) e(-) + c.c.

87. Improved measurements of two-photon widths of the chi(cJ) states and helicity analysis for chi(c2) -> gamma gamma

88. Search for the rare decay D+ -> D(0)e(+)nu(e)

89. Measurement of branching fractions for psi(3686) -> gamma eta ', gamma eta, and gamma pi(0)

90. Analysis of D+ -> (K)over-bar(0)e(+)nu(e) and D+ -> pi(0)e(+)nu(e) semileptonic decays

91. Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance

92. Measurement of singly Cabibbo-suppressed decays D-0 -> pi(0)pi(0)pi(0), pi(0)pi(0)eta, pi(0)eta eta and eta eta eta

93. Study of the decays D+-> eta(('))e(+)nu(e)

94. Measurements of the branching fractions of the singly Cabibbo-suppressed decays D-0 -> omega eta, eta(()'())pi(0) and eta(()'())eta

95. Measurement of the integrated Luminosities of cross-section scan data samples around the psi(3770) mass region

96. Measurement of e(+)e(-) -> pi(0)pi(0)psi(3686) at root s from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

97. Study of eta(1475) and X(1835) in radiative J/psi decays to gamma phi

98. Observation of chi(c2) -> eta 'eta ' and chi(c0,2) -> eta eta '

99. Branching fraction measurements of psi (3686) -> gamma chi(cJ)

100. Measurements of cross section of e(+)e(-) -> p(p)over-bar pi(0) at center-of-mass energies between 4.008 and 4.600 GeV