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Exploring invisible...
Exploring invisible neutrino decay at ESSnuSB
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- Choubey, Sandhya (författare)
- KTH,Partikel- och astropartikelfysik,AlbaNova Univ Ctr, Oskar Klein Ctr, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.
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- Ghosh, Manojit (författare)
- KTH,Partikel- och astropartikelfysik,AlbaNova Univ Ctr, Oskar Klein Ctr, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.;Rudjer Boskovic Inst, Ctr Excellence Adv Mat & Sensing Devices, Zagreb 10000, Croatia.
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- Kempe, Daniel (författare)
- KTH,Partikel- och astropartikelfysik,AlbaNova Univ Ctr, Oskar Klein Ctr, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.
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- Ohlsson, Tommy, Professor, 1973- (författare)
- KTH,Partikel- och astropartikelfysik,AlbaNova Univ Ctr, Oskar Klein Ctr, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden.;Univ Iceland, Sci Inst, Dunhaga 3, IS-107 Reykjavik, Iceland.
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(creator_code:org_t)
- Springer Nature, 2021
- 2021
- Engelska.
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Ingår i: Journal of High Energy Physics (JHEP). - : Springer Nature. - 1126-6708 .- 1029-8479. ; 2021:5
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We explore invisible neutrino decay in which a heavy active neutrino state decays into a light sterile neutrino state and present a comparative analysis of two baseline options, 540 km and 360 km, for the ESSnuSB experimental setup. Our analysis shows that ESSnuSB can put a bound on the decay parameter tau (3)/m(3) = 2.64 (1.68) x 10(-11) s/eV for the baseline option of 360 (540) km at 3 sigma. The expected bound obtained for 360 km is slightly better than the corresponding one of DUNE for a charged current (CC) analysis. Furthermore, we show that the capability of ESSnuSB to discover decay, and to measure the decay parameter precisely, is better for the baseline option of 540 km than that of 360 km. Regarding effects of decay in delta (CP) measurements, we find that in general the CP violation discovery potential is better in the presence of decay. The change in CP precision is significant if one assumes decay in data but no decay in theory.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Nyckelord
- Beyond Standard Model
- Neutrino Physics
- CP violation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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