Chinese Physics C > 2003, Vol. 27 > Issue(10): 841-845

Hopeless to Kinematically Detect the Effective Masses of Muon and Tau Neutrinos

XING Zhi-Zhong^,

Institute of High Energy Physics,CAS,Beijing 100039,China

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We show that the recent WMAP data can impose a generous upper bound on the effective masses of electron, muon and tau neutrinos defined in the kinematic measurements: 2, +< m>u2+ 2t = m12 + m22 + m32<0.5eV2, or a<0.71eV ( for a = e, u,t) . When current neutrino oscillation data are taken into account, we obtain (m)?< 0.24eV and u= t< 0.24eV, Thus there is no hope to kinematically detect u and t in any realistic experiments.

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XING Zhi-Zhong. Hopeless to Kinematically Detect the Effective Masses of Muon and Tau Neutrinos[J]. Chinese Physics C, 2003, 27(10): 841-845.

XING Zhi-Zhong. Hopeless to Kinematically Detect the Effective Masses of Muon and Tau Neutrinos[J]. Chinese Physics C, 2003, 27(10): 841-845. shu

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Received: 2003-05-28
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Hopeless to Kinematically Detect the Effective Masses of Muon and Tau Neutrinos

Corresponding author:XING Zhi-Zhong,

Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date:2003-05-28

Accepted Date:1900-01-01

Available Online:2003-10-05

Abstract:We show that the recent WMAP data can impose a generous upper bound on the effective masses of electron, muon and tau neutrinos defined in the kinematic measurements: 2, +< m>u2+ 2t = m12 + m22 + m32<0.5eV2, or a<0.71eV ( for a = e, u,t) . When current neutrino oscillation data are taken into account, we obtain (m)?< 0.24eV and u= t< 0.24eV, Thus there is no hope to kinematically detect u and t in any realistic experiments.

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Hopeless to Kinematically Detect the Effective Masses of Muon and Tau Neutrinos

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