New astrophysical limit on neutrino millicharge

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• 作者：Alexander I. Studenikin^a ; ^b ; ^{studenik@srd.sinp.msu.ru" class="auth_mail" title="E-mail the corresponding author} ; Ilya V. Tokarev^a ; ^{tokarev.ilya.msu@gmail.com" class="auth_mail" title="E-mail the corresponding author}
• 刊名：Nuclear and Particle Physics Proceedings
• 出版年：2016
• 出版时间：April-June 2016
• 年：2016
• 卷：273-275
• 期：Complete
• 页码：2332-2334
• 全文大小：166 K

文摘

An impact of a nonzero neutrino millicharge in astrophysics is tested. It is shown that in astrophysical environments electromagnetic interactions of the neutrino millicharge with strong electromagnetic fields as well as weak interactions of the neutrinos with dense background matter can produce new phenomena accessible for astrophysical observations. On this basis a new limit on the neutrino millicharge q₀<1.3×10⁻¹⁹e₀$q_0<1.3\times {10}^{-19}{e}_0$ is obtained. This limit is among the strongest astrophysical constraint on the neutrino millicharge. Some other possible applications of the obtained results to astrophysics are discussed in details.