A test of CPT symmetry in K0 vs K0→π+π－π0 decays

XING Zhi-Zhong

doi:10.1088/1674-1137/34/6/024

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2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(6) : 753-756 DOI: 10.1088/1674-1137/34/6/024

A test of CPT symmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays

XING Zhi-Zhong ^,

¹ Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China² Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
I show that the CP-violating asymmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays differs from that in K_L→π⁺π^－, KL→π⁰π⁰ or the semileptonic K_L transitions, if there exists CPT violation in K⁰-K⁰ mixing. A delicate measurement of this difference at a super flavor factory (e.g., the φ factory) will provide us with a robust test of CPT symmetry in the neutral kaon system.

References

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. Schwinger J. Phys. Rev., 1951, 82: 914; Luders G. Kgl.Dansk. Vidensk. Selsk. Mat. Fys. Medd., 1954, 28: 1; PauliW. In: Niels Bohr and the Development of Physics. NewYork: Pergamon Press. 1955. 302. Particle Data Group, Amsler C et al. Phys. Lett. B, 2008,667: 13. Kostelecky V A. hep-ph/01042274. Hitlin D. In these proceedings5. The DA#934;NE Physics Handbook. Edited by Maiani L,Pancheri G, Paver N. Frascati.1992.6. XING Z Z. Phys. Rev. D, 2000, 62: 0979017. Lee T D, WU C S. Ann. Rev. Nucl. Part. Sci., 1966, 16:5118. CPLEAR collaboration, Angelopoulos A et al. Phys. Lett.B, 1998, 444: 529. KLOE collaboration, Ambrosino F et al. JHEP, 2006,0612: 01110. CPLEAR collaboration, Adler R et al. Phys. Lett. B, 1995,364: 239; 1996, 370: 167; 1996, 374: 313; 1997, 407: 19311. Nakada T, Wolfenstein L. Eur. Phys. J. C, 1998, 3: 45712. Greenberg O W. Phys. Rev. Lett., 2002, 89: 23160213. Kostelecky V A. Phys. Rev. Lett., 1998, 80: 1818; Phys.Rev. D, 2001, 64: 07600114. XING Z Z. Phys. Rev. D, 1994, 50: 2957; Phys. Rev. D,1997, 55: 196; Phys. Lett. B, 1999, 450: 202; Phys. Lett.B, 2000, 487: 327; Ren P, XING Z Z. Phys. Rev. D, 2007,76: 116001

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XING Zhi-Zhong. A test of CPT symmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays[J]. Chinese Physics C, 2010, 34(6): 753-756. doi: 10.1088/1674-1137/34/6/024

XING Zhi-Zhong. A test of CPT symmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays[J]. Chinese Physics C, 2010, 34(6): 753-756. doi: 10.1088/1674-1137/34/6/024 shu

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Received: 2010-01-25
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A test of CPT symmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays

XING Zhi-Zhong ^,

Corresponding author: XING Zhi-Zhong,

¹ Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China² Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2010-01-25
Accepted Date: 1900-01-01
Available Online: 2010-06-05

Abstract:

I show that the CP-violating asymmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays differs from that in K_L→π⁺π^－, KL→π⁰π⁰ or the semileptonic K_L transitions, if there exists CPT violation in K⁰-K⁰ mixing. A delicate measurement of this difference at a super flavor factory (e.g., the φ factory) will provide us with a robust test of CPT symmetry in the neutral kaon system.