Variables for probing neutrino oscillation at super-Kamiokande and the Sudbury Neutrino ObservatoryDEBASISH MAJUMDARDepartment of Physics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Calcutta 700 009, India Abstract We propose several new variables, insensitive to the absolute flux of the incident solar or supernova neutrino beam, which probe the shape of the observed spectrum at super-Kamiokande and Sudbury Neutrino Observatory experiments and can sensitively signal neutrino oscillations. One class of such variables involve moments of the distributions recorded at the two facilities while another variable, specific to SNO, utilises the integrated charged and neutral current signals. The utility of these variables in the context of supernova neutrinos both from the collapse epoch and the post-bounce era is also discussed. Keywords Neutrino oscillation.PACS No. 14.60.Pq; 26.65.+t |