• Corpus ID: 602777

Day-Night Effect for Solar Neutrinos: Coherent versus Incoherent Regeneration in the Earth

@article{Leusen1999DayNightEF,
  title={Day-Night Effect for Solar Neutrinos: Coherent versus Incoherent Regeneration in the Earth},
  author={Jan van Leusen and Lalit M. Sehgal},
  journal={arXiv: High Energy Physics - Phenomenology},
  year={1999}
}
  • J. Leusen, L. Sehgal
  • Published 23 February 1999
  • Physics
  • arXiv: High Energy Physics - Phenomenology
The passage of solar neutrinos through the Earth alters the flavor composition of the beam in a way that depends on the neutrino energy and the angle of the trajectory. We show that the degree of alteration depends also on whether the νe and νμ components of the wave-packet are treated as coherent (overlapping) or incoherent (non-overlapping). For a realistic estimate of the coherence length, and for the parameters of the small-angle MSW solution, the night-day asymmetry in the event rate in… 

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