| 查看: 365 | 回复: 2 | |||
[交流]
Neutrino telescopes as a probe of broken μ-τ symmetry 已有1人参与
|
|
ABSTRACT It is known that neutrino oscillations may map $\phi_e : \phi_\mu : \phi_\tau = 1 : 2 : 0$, the initial flavor ratios of ultrahigh-energy neutrino fluxes produced from a distant astrophysical source, into $\phi^D_e : \phi^D_\mu : \phi^D_\tau = 1 : 1 : 1$ at the detector of a neutrino telescope. We remark that this naive expectation is only valid in the $\mu$-$\tau$ symmetry limit, in which two neutrino mixing angles satisfy $\theta_{13} = 0$ and $\theta_{23} = \pi/4$. Allowing for the slight breaking of $\mu$-$\tau$ symmetry, we find $\phi^D_e : \phi^D_\mu : \phi^D_\tau = (1 -2 \Delta) : (1 +\Delta) : (1 +\Delta)$ with $\Delta$ characterizing the combined effect of $\theta_{13} \neq 0$ and $\theta_{23} \neq \pi/4$. Current neutrino oscillation data indicate $-0.1 \lesssim \Delta \lesssim +0.1$. We also look at the possibility to probe $\Delta$ by detecting the $\bar{\nu}_e$ flux of $E_{\bar{\nu}_e} \approx 6.3 {\rm PeV}$ via the Glashow resonance channel $\bar{\nu}_e e \to W^- \to anything$. Comment: 10 pages, 1 figure. Slight changes made. Phys. Rev. D Neutrino Telescopes as a Probe of Broken $\mu$-$\tau$ Symmetry. Available from: http://www.researchgate.net/publ ... ken_mu-tau_Symmetry [accessed Jul 5, 2015]. |
回复此楼» 本帖附件资源列表
-
欢迎监督和反馈：小木虫仅提供交流平台，不对该内容负责。
本内容由用户自主发布，如果其内容涉及到知识产权问题，其责任在于用户本人，如对版权有异议，请联系邮箱：xiaomuchong@tal.com - 附件 1 : Neutrino_telescopes_as_a_probe_of_broken_μ-τ_symmetry.pdf
2015-07-05 05:23:41, 180.95 K
» 猜你喜欢
材料学硕297已过四六级求调剂推荐
已经有8人回复
-
本人考085602 化学工程 专硕
已经有21人回复
-
265求调剂
已经有12人回复
-
求调剂
已经有5人回复
-
一志愿中南化学337求调剂
已经有6人回复
-
350求调剂
已经有3人回复
-
295复试调剂
已经有8人回复
-
0817 化学工程 299分求调剂 有科研经历 有二区文章
已经有22人回复
-
287求调剂
已经有7人回复
-
329求调剂
已经有7人回复
2楼2015-07-05 05:29:19
|
好 [ 发自小木虫客户端 ] |
3楼2015-07-05 05:36:29
