THE ANGULAR DISTRIBUTION FOR THE PROCESS e+e→J/ψ→γB,B→P1P2 AND THE SPIN ANALYSIS OF B

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YAN Wu-Guang and YU Hong. THE ANGULAR DISTRIBUTION FOR THE PROCESS e+e→J/ψ→γB,B→P1P2 AND THE SPIN ANALYSIS OF B[J]. Chinese Physics C, 1989, 13(3): 234-240.
YAN Wu-Guang and YU Hong. THE ANGULAR DISTRIBUTION FOR THE PROCESS e+e→J/ψ→γB,B→P1P2 AND THE SPIN ANALYSIS OF B[J]. Chinese Physics C, 1989, 13(3): 234-240. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE ANGULAR DISTRIBUTION FOR THE PROCESS e+e→J/ψ→γB,B→P1P2 AND THE SPIN ANALYSIS OF B

    Corresponding author: YAN Wu-Guang,
  • Institute of High Energy Physics,Academia Sinica,Beijing

Abstract: This paper gives the relation between the helicity formalism(HF) and the effective interaction formalism (EIF) for the process e+e→J/ψ→γB,B→P1P2.The angular distributions of the pseudoscalar meson for different spin (J=2,4) of B indicate that there exist sensitive and insensitive regions to determine the spin of B.Unfortunately the data of θ/f2(1720) and ξ(2230) just fall into the insensitive region.

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