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- W2065237029 abstract "We consider the emission of light (${m}_{{ensuremath{nu}}_{R}}phantom{rule{0ex}{0ex}}ensuremath{lesssim}$ 10 MeV right-handed neutrinos from supernova 1987A via right-handed charged- and neutral-current interactions. By requiring that the neutronization process ${e}_{R}^{ensuremath{-}}ensuremath{rightarrow}{ensuremath{nu}}_{R}n$ does not carry away most of the energy that can be radiated by the supernova, ${E}_{T}phantom{rule{0ex}{0ex}}ensuremath{lesssim}phantom{rule{0ex}{0ex}}$ (4-5) ifmmodetimeselsetexttimesfi{} ${10}^{53}$ ergs, we exclude the range of values for the right-handed $W$-boson mass, (3.7-6.7)${mathrm{M}}_{{mathrm{W}}_{mathrm{L}}}$ ensuremath{le} ${mathrm{M}}_{{mathrm{W}}_{mathrm{R}}}$ ensuremath{le} (280-500)${mathrm{M}}_{{mathrm{W}}_{mathrm{L}}}$ for vanishing ${mathrm{W}}_{mathrm{L}}$ --- ${mathrm{W}}_{mathrm{R}}$ mixing parameter ensuremath{zeta}, and for ensuremath{zeta} ensuremath{ne} 0 we get (0.4-1.2) ifmmodetimeselsetexttimesfi{} ${10}^{ensuremath{-}5}$ ensuremath{le} ${left[{ensuremath{zeta}}^{2}phantom{rule{0ex}{0ex}}+phantom{rule{0ex}{0ex}}({M}_{{W}_{L}}^{4}phantom{rule{0ex}{0ex}}/phantom{rule{0ex}{0ex}}{M}_{{W}_{R}}^{4})right]}^{frac{1}{2}}phantom{rule{0ex}{0ex}}ensuremath{le}(0.02ensuremath{-}0.07)$. For right-handed $W$ bosons heavier than 300 ${M}_{{W}_{L}}$, a significant ${ensuremath{nu}}_{R}$ emission may arise from the neutral-current-induced process ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}{overline{ensuremath{nu}}}_{R}{ensuremath{nu}}_{R}$, as well as $mathrm{nn}ensuremath{rightarrow}mathrm{nn}ensuremath{nu}overline{ensuremath{nu}}$ mediated by an extra gaugae boson $Zensuremath{'}$. In this case, for an appropriately defined effective mass ${M}_{N}$ for $Zensuremath{'}$, we find the excluded region $(2.4ensuremath{-}4.3){M}_{{W}_{L}}<{M}_{N}<(30ensuremath{-}85){M}_{{W}_{L}}$, mainly dependent on the core temperature and density profile." @default.
- W2065237029 created "2016-06-24" @default.
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- W2065237029 date "1989-02-15" @default.
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- W2065237029 title "Limits on right-handed interactions from SN 1987A observations" @default.
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- W2065237029 doi "https://doi.org/10.1103/physrevd.39.1229" @default.
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