20-27 July 2011
Alpes Congrès - Alpexpo
Europe/Paris timezone

Constraining new physics with a positive or negative signal of neutrinoless double beta decay

23 Jul 2011, 09:00
15m
Oisans (Alpes Congrès - Alpexpo)

Oisans

Alpes Congrès - Alpexpo

Parallel session talk Neutrino Physics Neutrino Physics

Speaker

Mr Johannes Bergström (Royal Intstitute of Technology)

Description

We investigate numerically how accurately one could constrain the strengths of different short-range contributions to neutrinoless double beta decay in effective field theory. Depending on the outcome of near-future experiments yielding information on the neutrino masses, the corresponding bounds or estimates can be stronger or weaker. A particularly interesting case, resulting in strong bounds, would be a positive signal of neutrinoless double beta decay that is consistent with complementary information from neutrino oscillation experiments, kinematical determinations of the neutrino mass, and measurements of the sum of light neutrino masses from cosmological observations. The keys to more robust bounds are improvements of the knowledge of the nuclear physics involved and a better experimental accuracy.

Primary author

Mr Johannes Bergström (Royal Intstitute of Technology)

Co-authors

Mr Alexander Merle (Royal Intstitute of Technology) Mr Tommy Ohlsson (Royal Intstitute of Technology)

Presentation Materials