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Sensitivity to theta(13) and delta in the decaying astrophysical neutrino scenario

Journal Article · · Phys.Rev.D

We have previously shown that the decay of high-energy neutrinos from distant astrophysical sources would be revealed by flavor ratios that deviate strongly from the $$\phi_{\nu_e}:\phi_{\nu_\mu}:\phi_{\nu_\tau} = 1:1:1$$ expected from oscillations alone. Here we show that the deviations are significantly larger when the mixing angle $$\theta_{13}$$ and the CP phase $$\delta$$ are allowed to be nonzero. If neutrinos decay, this could allow measurement of $$\theta_{13}$$ and $$\delta$$ in IceCube and other near-term neutrino telescopes.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1875863
Report Number(s):
FERMILAB-PUB-03-292-A; arXiv:hep-ph/0309267; oai:inspirehep.net:628950
Journal Information:
Phys.Rev.D, Journal Name: Phys.Rev.D Vol. 69
Country of Publication:
United States
Language:
English

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