Determination of the age of the earth from Kamland measurement of geo-neutrinos
| dc.creator | Mohanty, Subhendra | |
| dc.date | 2003-02-09 | |
| dc.date | 2003-07-21 | |
| dc.date.accessioned | 2026-07-07T03:49:09Z | |
| dc.date.available | 2026-07-07T03:49:09Z | |
| dc.description | The low energy component of the antineutrino spectrum observed in the recent Kamland experiment has significant contribution from the radioactive decay of $^{238}U$ and $^{232}Th$ in the crust and mantle of the earth. By taking the ratio of the antineutrino events obeserved in two different energy ranges we can determine the present value $[Th/U]$ independent of the U,Th distribution in the earth. Comparing with the r-process initial value of $[Th/U]_0$ we determine the age of the earth as a function of $Δm^2$ and $Sin^2 2 θ$. We find that the age of the earth determined from KamLAND data matches the age of solar system ($4.5 Gyrs$ from meteorites) for the LMA-I solution. For the LMA-II solution the age of the earth does not match the solar system age at 90 % C.L. | |
| dc.description | Error estimates revised, references added | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0302060 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0302060 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/42295 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Determination of the age of the earth from Kamland measurement of geo-neutrinos | |
| dc.type | text |