About detecting CP-violating processes in J/ψ→K<SUP>0</SUP>K<SUP>0</SUP> decay

LI Hai-Bo; YANG Mao-Zhi

doi:10.1088/1674-1137/33/2/001

Chinese Physics C> 2009, Vol. 33> Issue(2) : 85-88 DOI: 10.1088/1674-1137/33/2/001

About detecting CP-violating processes in J/ψ→K⁰K⁰ decay

LI Hai-Bo ^, ,
YANG Mao-Zhi

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Abstract：
Questions about detecting the CP-violating decay process of J/ψ→K⁰K⁰→K_SK_S are discussed. Possible background and material regeneration effects are analyzed. The discussion can be directly extended to other vector quarkonium
decays, like Υ, ψ(2S) and φ→K_SK_S.

References

[1]

. Baltrusaitis R M et al. (Mark-III Collaboration). Phys.Rev. D, 1985, 32: 5662. BAI J Z et al. (BES Collaboration). Phys. Lett. B, 2004,589: 73. LI H B, YANG M Z. Phys. Rev. Lett., 2006, 96: 1920014. Christenson J H, Cronin J W, Fitch V L, Turlay R. Phys.Rev. Lett., 1964, 13: 1385. Eidelman S et al. (Particle Data Group). Phys. Lett. B,2004, 592: 16. BAI J Z et al. (BES Collaboration). Phys. Rev. D, 2004,69: 0120037. Eberhard P H, Uchiyama F et al. Nucl. Instum. Methods Phys. Res. A, 1994, 350: 1448. Charpak G, Gourdin M. The K0K0 system, CERN-67-18.CERN, Geneva, 19679. Internal Report. The Preliminary Design Report of the BES0 Detector, IHEP-BEPC/-SB-1310. Eberhard P H. Tests of Quantum Mechanics at a #934; Factory.In The Second Da#934; ne Handbook. Ed Maiani L, Pancheri G, Paver N. Vol. I, hep-ex/0607027

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LI Hai-Bo and YANG Mao-Zhi. About detecting CP-violating processes in J/ψ→K⁰K⁰ decay[J]. Chinese Physics C, 2009, 33(2): 85-88. doi: 10.1088/1674-1137/33/2/001

LI Hai-Bo and YANG Mao-Zhi. About detecting CP-violating processes in J/ψ→K⁰K⁰ decay[J]. Chinese Physics C, 2009, 33(2): 85-88. doi: 10.1088/1674-1137/33/2/001 shu

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Received: 2008-07-21
Revised: 2008-08-21

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About detecting CP-violating processes in J/ψ→K⁰K⁰ decay

LI Hai-Bo ^,
YANG Mao-Zhi

Corresponding author: LI Hai-Bo,

Received Date: 2008-07-21
Accepted Date: 2008-08-21
Available Online: 2009-02-05

Abstract:

Questions about detecting the CP-violating decay process of J/ψ→K⁰K⁰→K_SK_S are discussed. Possible background and material regeneration effects are analyzed. The discussion can be directly extended to other vector quarkonium
decays, like Υ, ψ(2S) and φ→K_SK_S.