NEUTRING MASS AND THE INTEGRATED NEUTRING SPECTRA OF SN1987A

HUO An-Xiang; HUANG Wu-Liang; SUN Xin-Xin

Chinese Physics C> 1987, Vol. 11> Issue(6) : 854-855

NEUTRING MASS AND THE INTEGRATED NEUTRING SPECTRA OF SN1987A

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Abstract：
From the SN1987A neutrino lurst data, an integrated neutrino spectrum is deduced, which can be fitted by an exponent function, with kT of about 4.2MeV, corresponding to a primal mass10M_⊙ of a supernova. If neutrino has a rest mass, the time order of reutrino emission is distinctively changed, from it we can primitively judge that the electron neutrino mass is less than 10eV.

References

[1]	Hirata, K. et al., Phys. Rev. Lett., 58(1987), 1490.[2] Bionta, R. M. et al., Phys. Rev. Lett., 58(1987), 1494.[3] Spergel, D. N. et al., Phys. Rev. Lett, Apirl 28, 1987.[4] Woosley, S. E. et al., Ap. J. 302(1986), 19.

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HUO An-Xiang, HUANG Wu-Liang and SUN Xin-Xin. NEUTRING MASS AND THE INTEGRATED NEUTRING SPECTRA OF SN1987A[J]. Chinese Physics C, 1987, 11(6): 854-855.

HUO An-Xiang, HUANG Wu-Liang and SUN Xin-Xin. NEUTRING MASS AND THE INTEGRATED NEUTRING SPECTRA OF SN1987A[J]. Chinese Physics C, 1987, 11(6): 854-855. shu

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Received: 1900-01-01
Revised: 1900-01-01

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