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Supernova Detection

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Super-K:<br />

ν+e scattering events<br />

events/bin<br />

50<br />

40<br />

Energy = 5-10 MeV<br />

ν+e<br />

events/bin<br />

100<br />

80<br />

Energy = 10-20 MeV<br />

ν+e<br />

SN at 10kpc<br />

30<br />

60<br />

events/bin<br />

20<br />

10<br />

0<br />

-1 -0.5 0 0.5 1<br />

cos(θ SN<br />

)<br />

60<br />

Energy = 20-30 MeV<br />

50<br />

40<br />

30<br />

20<br />

10<br />

νe+p<br />

ν+e<br />

νe+p<br />

events/bin<br />

0<br />

-1 -0.5 0 0.5 1<br />

cos(θ SN<br />

)<br />

40<br />

20<br />

νe+p<br />

0<br />

-1 -0.5 0 0.5 1<br />

cos(θ SN<br />

)<br />

25<br />

Energy = 30-40 MeV<br />

22.5<br />

20<br />

ν+e<br />

17.5<br />

15<br />

12.5<br />

10<br />

7.5<br />

5<br />

2.5 νe+p<br />

0<br />

-1 -0.5 0 0.5 1<br />

cos(θ SN<br />

)<br />

Direction of supernova can<br />

be determined with an<br />

accuracy of ~5 degree.<br />

Spectrum of ν+e events<br />

can be statistically<br />

extracted using the<br />

direction to supernova.<br />

Neutrino flux and spectrum<br />

from Livermore simulation

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