Publications by Steve Biller


Measurement of Day and Night Neutrino Energy Spectra at SNO and Constraints on Neutrino Mixing Parameters

Physical Review Letters 89 (2002)

QR Ahmad, RC Allen, TC Andersen, JD Anglin, JC Barton, EW Beier, M Bercovitch, J Bigu, SD Biller, RA Black, I Blevis, RJ Boardman, J Boger, E Bonvin, MG Boulay, MG Bowler, TJ Bowles, SJ Brice, MC Browne, TV Bullard, G Bühler, J Cameron, YD Chan, HH Chen, M Chen, X Chen, BT Cleveland, ETH Clifford, JHM Cowan, DF Cowen, GA Cox, X Dai, F Dalnoki-Veress, WF Davidson, PJ Doe, G Doucas, MR Dragowsky, CA Duba, FA Duncan, M Dunford, JA Dunmore, ED Earle, SR Elliott, HC Evans, GT Ewan, J Farine, H Fergani, AP Ferraris, RJ Ford, JA Formaggio, MM Fowler, K Frame, ED Frank, W Frati, N Gagnon, JV Germani, S Gil, K Graham, DR Grant, RL Hahn, AL Hallin, ED Hallman, AS Hamer, AA Hamian, WB Handler, RU Haq, CK Hargrove, PJ Harvey, R Hazama, KM Heeger, WJ Heintzelman, J Heise, RL Helmer, JD Hepburn, H Heron, J Hewett, A Hime, M Howe, JG Hykawy, MCP Isaac, P Jagam, NA Jelley, C Jillings, G Jonkmans

The Sudbury Neutrino Observatory (SNO) has measured day and night solar neutrino energy spectra and rates. For charged current events, assuming an undistorted [Formula presented] spectrum, the night minus day rate is [Formula presented] of the average rate. If the total flux of active neutrinos is additionally constrained to have no asymmetry, the [Formula presented] asymmetry is found to be [Formula presented]. A global solar neutrino analysis in terms of matter-enhanced oscillations of two active flavors strongly favors the large mixing angle solution. © 2002 The American Physical Society.


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