Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-01-24
Astropart.Phys.15:211-215,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, revtex, no figures; note added; final version to be published in Astropart. Phys
Scientific paper
10.1016/S0927-6505(00)00145-6
The problem of the magnitude of the S--factor of the hep process $p + {^3\mathrm{He}} \to {^4\mathrm{He}} + e^+ + \nu_e$ is one of the most important unsolved problems in nuclear astrophysics. The magnitude of $S(hep)$ has also an important impact on the interpretation of the Super-Kamiokande solar neutrino results in terms of neutrino oscillations. We point out the possiblity to determine the major hadronic contribution to $S(hep)$ from the measurement of the total cross section of the process $n + {^3\mathrm{H}} \to {^4\mathrm{He}} + e^- + \bar{\nu}_e$ in experiments with high intensity beams of thermal or cold neutrons.
Alberico Wanda M.
Bilenky Samoil M.
Grimus Walter
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