First direct observation of muon antineutrino disappearance. Academic Article uri icon

abstract

  • This Letter reports the first direct observation of muon antineutrino disappearance. The MINOS experiment has taken data with an accelerator beam optimized for () production, accumulating an exposure of 1.71 10 protons on target. In the Far Detector, 97 charged current () events are observed. The no-oscillation hypothesis predicts 156 events and is excluded at 6.3. The best fit to oscillation yields |m| = [3.36(-0.40)(+0.46)(stat) 0.06(syst)] 10 eV, sin(2) = 0.86(-0.12)(+0.11)(stat) 0.01(syst). The MINOS () and () measurements are consistent at the 2.0% confidence level, assuming identical underlying oscillation parameters.

published proceedings

  • Phys Rev Lett

altmetric score

  • 21.69

author list (cited authors)

  • Adamson, P., Andreopoulos, C., Auty, D. J., Ayres, D. S., Backhouse, C., Barr, G., ... MINOS Collaboration.

citation count

  • 60

complete list of authors

  • Adamson, P||Andreopoulos, C||Auty, DJ||Ayres, DS||Backhouse, C||Barr, G||Bishai, M||Blake, A||Bock, GJ||Boehnlein, DJ||Bogert, D||Cavanaugh, S||Cherdack, D||Childress, S||Choudhary, BC||Coelho, JAB||Coleman, SJ||Corwin, L||Cronin-Hennessy, D||Danko, IZ||de Jong, JK||Devenish, NE||Diwan, MV||Dorman, M||Escobar, CO||Evans, JJ||Falk, E||Feldman, GJ||Frohne, MV||Gallagher, HR||Gomes, RA||Goodman, MC||Gouffon, P||Graf, N||Gran, R||Grant, N||Grzelak, K||Habig, A||Harris, D||Hartnell, J||Hatcher, R||Himmel, A||Holin, A||Howcroft, C||Huang, X||Hylen, J||Ilic, J||Irwin, GM||Isvan, Z||Jaffe, DE||James, C||Jensen, D||Kafka, T||Kasahara, SMS||Koizumi, G||Kopp, S||Kordosky, M||Kreymer, A||Lang, K||Lefeuvre, G||Ling, J||Litchfield, PJ||Loiacono, L||Lucas, P||Mann, WA||Marshak, ML||Mayer, N||McGowan, AM||Mehdiyev, R||Meier, JR||Messier, MD||Miller, WH||Mishra, SR||Mitchell, J||Moore, CD||Morfín, J||Mualem, L||Mufson, S||Musser, J||Naples, D||Nelson, JK||Newman, HB||Nichol, RJ||Nicholls, TC||Nowak, JA||Ochoa-Ricoux, JP||Oliver, WP||Orchanian, M||Ospanov, R||Paley, J||Patterson, RB||Pawloski, G||Pearce, GF||Petyt, DA||Phan-Budd, S||Plunkett, RK||Qiu, X||Ratchford, J||Raufer, TM||Rebel, B||Rodrigues, PA||Rosenfeld, C||Rubin, HA||Sanchez, MC||Schneps, J||Schreiner, P||Shanahan, P||Sousa, A||Stamoulis, P||Strait, M||Tagg, N||Talaga, RL||Tetteh-Lartey, E||Thomas, J||Thomson, MA||Tinti, G||Toner, R||Tzanakos, G||Urheim, J||Vahle, P||Viren, B||Weber, A||Webb, RC||White, C||Whitehead, L||Wojcicki, SG||Yang, T||Zwaska, R

publication date

  • July 2011