Guido PizzellaUniversita’ di Roma Tor VergataINFN- Frascati

SN1987A revisited

May the Supernova Bang more than once ?

A.DeRujula Phys.Lett. B193:514 (1987) V.S. Berezinsky, C. Castagnoli, V.I .Dokuchaev, P.Galeotti On the possibility of a two-bang supernova collapse N. Cimento 11, 3, 287 (1988) V.S.Imshennik Space Science Rev., 74, 325 (1995) V.S.Imshennik and O.G.Ryashskaya Astronomy Letters, 30,14-31 (2004)

Hours of 23 February 1987

Mont Blanc ~ 70 pulses/hour > 5 MeVKamiokande ~150 pulses/hour > 7.5 MeV (7.5 MeV corresponds to Nhit=20)

0 8

LSD

Kamioka

Kamiokande neutrino telescope 1987

The data have been supplied to us by the

Kamiokande collaboration in 1987. We have aknowledged the

collaboration in several papers

Hirata et al.PR D 448 (1988)

relative Kamiokande time

IMB

noIMB

11 in 12 sNh>21

11 in 12 sNh>21

7 in 6 sNh > 22

7 in 6 sNh > 22

Mont Blanc neutrino telescope 1987

Correlation of the Kamiokande and LSD neutrino detectors with the Rome and

Maryland gravitational wave detectors

hours 23 February 1987

Mont Blanc ~ 70 pulses/hour > 5 MeVKamiokande ~150 pulses/hour > 7.5 MeV (7.5 MeV corresponds to Nhit=20)

0 8

Mont Blanc Kamiokande

CorrelationsGW-LSD

experimental results

1 2

CorrelationsGW-Kamioka

end

…noi non doviamo desiderare che la natura si accomodi a quello che parrebbe meglio disposto et ordinato a noi, ma conviene che noiaccomodiamo l’intelleto nostro a quello che ella ha fatto, sicuri tale essere l’ottimo et non altro.

Galileo nel 1612 a Federico Cesi.

Neutrino interactions in iron

, Fe

e+56Fe 56Co+e-

p