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Can R-parity violating supersymmetry be seen in long baseline beta-beam experiments?
R ADHIKARI, S K AGARWALLA, A RAYCHAUDHURI
Published in ELSEVIER SCIENCE BV
2006
Volume: 642
   
Issue: 43467
Pages: 111 - 118
Abstract
Long baseline oscillation experiments may well emerge as test beds for neutrino interactions as are present in R-parity violating supersymmetry. We show that flavour diagonal (FDNC) and flavour changing (FCNC) neutral currents arising therefrom prominently impact a neutrino β-beam experiment with the source at CERN and the detector at the proposed India-based Neutrino Observatory. These interactions may preclude any improvement of the present limit on θ13 and cloud the hierarchy determination unless the upper bounds on R{combining long solidus overlay} couplings, particularly λ′, become significantly tighter. If R{combining long solidus overlay} interactions are independently established then from the event rate a lower bound on θ13 may be set. We show that there is scope to see a clear signal of non-standard FCNC and FDNC interactions, particularly in the inverted hierarchy scenario and also sometimes for the normal hierarchy. In favourable cases, it may be possible to set lower and upper bounds on λ′ couplings. FCNC and FDNC interactions due to λ type R{combining long solidus overlay} couplings are unimportant. © 2006 Elsevier B.V. All rights reserved.
About the journal
JournalData powered by TypesetPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
PublisherData powered by TypesetELSEVIER SCIENCE BV
ISSN0370-2693
Open AccessYes