Improved Measurement of Muon Antineutrino Disappearance in MINOS
- Adamson, P.
- Ayres, D. S.
- Backhouse, C.
- Barr, G.
- Bishai, M.
- Blake, A.
- Bock, G. J.
- Boehnlein, D. J.
- Bogert, D.
- Cao, S. V.
- Childress, S.
- Coelho, J. A. B.
- Corwin, L.
- Cronin-Hennessy, D.
- Danko, I. Z.
- de Jong, J. K.
- Devenish, N. E.
- Diwan, M. V.
- Escobar, C. O.
- Evans, J. J.
- Falk, E.
- Feldman, G. J.
- Frohne, M. V.
- Gallagher, H. R.
- Gomes, R. A.
- Goodman, M. C.
- Gouffon, Philippe
- Graf, N.
- Gran, R.
- Grzelak, K.
- Habig, A.
- Hartnell, J.
- Hatcher, R.
- Himmel, A.
- Holin, A.
- Huang, X.
- Hylen, J.
- Irwin, G. M.
- Isvan, Z.
- Jaffe, D. E.
- James, C.
- Jensen, D.
- Kafka, T.
- Kasahara, S. M. S.
- Koizumi, G.
- Kopp, S.
- Kordosky, M.
- Kreymer, A.
- Lang, K.
- Ling, J.
- Litchfield, P. J.
- Loiacono, L.
- Lucas, P.
- Mann, W. A.
- Marshak, M. L.
- Mathis, M.
- Mayer, N.
- Mehdiyev, R.
- Meier, J. R.
- Messier, M. D.
- Michael, D. G.
- Miller, W. H.
- Mishra, S. R.
- Mitchell, J.
- Moore, C. D.
- Mualem, L.
- Mufson, S.
- Musser, J.
- Naples, D.
- Nelson, J. K.
- Newman, H. B.
- Nichol, R. J.
- Nowak, J. A.
- Oliver, W. P.
- Orchanian, M.
- Pahlka, R. B.
- Paley, J.
- Patterson, R. B.
- Pawloski, G.
- Phan-Budd, S.
- Plunkett, R. K.
- Qiu, X.
- Radovic, A.
- Ratchford, J.
- Rebel, B.
- Rosenfeld, C.
- Rubin, H. A.
- Sanchez, M. C.
- Schneps, J.
- Schreckenberger, A.
- Schreiner, P.
- Sharma, R.
- Sousa, A.
- Strait, M.
- Tagg, N.
- Talaga, R. L.
- Thomas, J.
- Thomson, M. A.
- Tinti, G.
- Toner, R.
- Torretta, D.
- Tzanakos, G.
- Urheim, J.
- Vahle, P.
- Viren, B.
- Walding, J. J.
- Weber, A.
- Webb, R. C.
- White, C.
- Whitehead, L.
- Wojcicki, S. G.
- Zwaska, R.
Publication date
January 2012
DOI Publisher
AMER PHYSICAL SOC ISSN
0031-9007Abstract
We report an improved measurement of (nu) over bar (mu) disappearance over a distance of 735 km using the MINOS detectors and the Fermilab Main Injector neutrino beam in a (nu) over bar (mu)-enhanced configuration. From a total exposure of 2.95 x 10(20) protons on target, of which 42% have not been previously analyzed, we make the most precise measurement of Delta(m) over bar (2) = [2.62(-0.28)(+0.31)(stat) +/- 0.09(syst)] x 10(-3) eV(2) and constrain the (nu) over bar (mu) mixing angle sin(2)(2 (theta) over bar) > 0.75 (90% C.L.). These values are in agreement with Delta m(2) and sin(2)(2 theta) measured for nu(mu), removing the tension reported in [P. Adamson et al. (MINOS), Phys. Rev. Lett. 107, 021801 (2011).]
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