Abstract
We found 140 neutrino-induced muons in 854.24 live days in the MINOS far detector, which has an acceptance for neutrino-induced muons of 6.91×106cm2sr. We looked for evidence of neutrino disappearance in this data set by computing the ratio of the number of low momentum muons to the sum of the number of high momentum and unknown momentum muons for both data and Monte Carlo expectation in the absence of neutrino oscillations. The ratio of data and Monte Carlo ratios, R, is R=0.65-0.12+0.15(stat)±0.09(syst), a result that is consistent with an oscillation signal. A fit to the data for the oscillation parameters sin 22θ23 and Δm232 excludes the null oscillation hypothesis at the 94% confidence level. We separated the muons into μ- and μ+ in both the data and Monte Carlo events and found the ratio of the total number of μ- to μ+ in both samples. The ratio of those ratios, R^CPT, is a test of CPT conservation. The result R^CPT=0.72-0.18+0.24(stat)-0. 04+0.08(syst) is consistent with CPT conservation.
| Original language | English (US) |
|---|---|
| Article number | 092003 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 75 |
| Issue number | 9 |
| DOIs | |
| State | Published - May 17 2007 |
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Charge-separated atmospheric neutrino-induced muons in the MINOS far detector. / Adamson, P.; Andreopoulos, C.; Arms, K. E.; Armstrong, R.; Auty, D. J.; Avvakumov, S.; Ayres, D. S.; Baller, B.; Barish, B.; Barnes, P. D.; Barr, G.; Barrett, W. L.; Beall, E.; Becker, B. R.; Belias, A.; Bergfeld, T.; Bernstein, R. H.; Bhattacharya, D.; Bishai, M.; Blake, A.; Bock, B.; Bock, G. J.; Boehm, J.; Boehnlein, D. J.; Bogert, D.; Border, P. M.; Bower, C.; Buckley-Geer, E.; Cabrera, A.; Chapman, J. D.; Cherdack, D.; Childress, S.; Choudhary, B. C.; Cobb, J. H.; Culling, A. J.; De Jong, J. K.; De Santo, A.; Dierckxsens, M.; Diwan, M. V.; Dorman, M.; Drakoulakos, D.; Durkin, T.; Erwin, A. R.; Escobar, C. O.; Evans, J. J.; Harris, E. Falk; Feldman, G. J.; Fields, T. H.; Ford, R.; Frohne, M. V.; Gallagher, H. R.; Giurgiu, G. A.; Godley, A.; Gogos, J.; Goodman, M. C.; Gouffon, P.; Gran, R.; Grashorn, E. W.; Grossman, N.; Grzelak, K.; Habig, A.; Harris, D.; Harris, P. G.; Hartnell, J.; Hartouni, E. P.; Hatcher, R.; Heller, K.; Holin, A.; Howcroft, C.; Hylen, J.; Indurthy, D.; Irwin, G. M.; Ishitsuka, M.; Jaffe, D. E.; James, C.; Jenner, L.; Jensen, D.; Joffe-Minor, T.; Kafka, T.; Kang, H. J.; Kasahara, S. M S; Kim, M. S.; Koizumi, G.; Kopp, S.; Kordosky, M.; Koskinen, D. J.; Kotelnikov, S. K.; Kreymer, A.; Kumaratunga, S.; Lang, K.; Lebedev, A.; Lee, R.; Ling, J.; Liu, J.; Litchfield, P. J.; Litchfield, R. P.; Lucas, P.; Mann, W. A.; Marchionni, A.; Marino, A. D.; Marshak, M. L.; Marshall, J. S.; Mayer, N.; McGowan, A. M.; Meier, J. R.; Merzon, G. I.; Messier, M. D.; Michael, D. G.; Milburn, R. H.; Miller, J. L.; Miller, W. H.; Mishra, S. R.; Mislivec, A.; Miyagawa, P. S.; Moore, C. D.; Morfín, J.; Mualem, L.; Mufson, S.; Murgia, S.; Musser, J.; Naples, D.; Nelson, J. K.; Newman, H. B.; Nichol, R. J.; Nicholls, T. C.; Ochoa-Ricoux, J. P.; Oliver, W. P.; Osiecki, T.; Ospanov, R.; Paley, J.; Paolone, V.; Para, A.; Patzak, T.; Pavlović, Ž; Pearce, G. F.; Peck, C. W.; Peterson, E. A.; Petyt, D. A.; Ping, H.; Piteira, R.; Pittam, R.; Plunkett, R. K.; Rahman, D.; Rameika, R. A.; Raufer, T. M.; Rebel, B.; Reichenbacher, J.; Reyna, D. E.; Rosenfeld, C.; Rubin, H. A.; Ruddick, K.; Ryabov, V. A.; Saakyan, R.; Sanchez, M. C.; Saoulidou, N.; Schneps, J.; Schreiner, P.; Semenov, V. K.; Seun, S. M.; Shanahan, P.; Smart, W.; Smirnitsky, V.; Smith, C.; Sousa, A.; Speakman, B.; Stamoulis, P.; Symes, P. A.; Tagg, N.; Talaga, R. L.; Tetteh-Lartey, E.; Thomas, J.; Thompson, J.; Thomson, M. A.; Thron, J. L.; Tinti, G.; Trostin, I.; Tsarev, V. A.; Tzanakos, G.; Urheim, J.; Vahle, P.; Verebryusov, V.; Viren, B.; Ward, C. P.; Ward, D. R.; Watabe, M.; Weber, A.; Webb, R. C.; Wehmann, A.; West, N.; White, C.; Wojcicki, S. G.; Wright, D. M.; Wu, Q. K.; Yang, T.; Yumiceva, F. X.; Zheng, H.; Zois, M.; Zwaska, R.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 75, No. 9, 092003, 17.05.2007.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Charge-separated atmospheric neutrino-induced muons in the MINOS far detector
AU - Adamson, P.
AU - Andreopoulos, C.
AU - Arms, K. E.
AU - Armstrong, R.
AU - Auty, D. J.
AU - Avvakumov, S.
AU - Ayres, D. S.
AU - Baller, B.
AU - Barish, B.
AU - Barnes, P. D.
AU - Barr, G.
AU - Barrett, W. L.
AU - Beall, E.
AU - Becker, B. R.
AU - Belias, A.
AU - Bergfeld, T.
AU - Bernstein, R. H.
AU - Bhattacharya, D.
AU - Bishai, M.
AU - Blake, A.
AU - Bock, B.
AU - Bock, G. J.
AU - Boehm, J.
AU - Boehnlein, D. J.
AU - Bogert, D.
AU - Border, P. M.
AU - Bower, C.
AU - Buckley-Geer, E.
AU - Cabrera, A.
AU - Chapman, J. D.
AU - Cherdack, D.
AU - Childress, S.
AU - Choudhary, B. C.
AU - Cobb, J. H.
AU - Culling, A. J.
AU - De Jong, J. K.
AU - De Santo, A.
AU - Dierckxsens, M.
AU - Diwan, M. V.
AU - Dorman, M.
AU - Drakoulakos, D.
AU - Durkin, T.
AU - Erwin, A. R.
AU - Escobar, C. O.
AU - Evans, J. J.
AU - Harris, E. Falk
AU - Feldman, G. J.
AU - Fields, T. H.
AU - Ford, R.
AU - Frohne, M. V.
AU - Gallagher, H. R.
AU - Giurgiu, G. A.
AU - Godley, A.
AU - Gogos, J.
AU - Goodman, M. C.
AU - Gouffon, P.
AU - Gran, R.
AU - Grashorn, E. W.
AU - Grossman, N.
AU - Grzelak, K.
AU - Habig, A.
AU - Harris, D.
AU - Harris, P. G.
AU - Hartnell, J.
AU - Hartouni, E. P.
AU - Hatcher, R.
AU - Heller, K.
AU - Holin, A.
AU - Howcroft, C.
AU - Hylen, J.
AU - Indurthy, D.
AU - Irwin, G. M.
AU - Ishitsuka, M.
AU - Jaffe, D. E.
AU - James, C.
AU - Jenner, L.
AU - Jensen, D.
AU - Joffe-Minor, T.
AU - Kafka, T.
AU - Kang, H. J.
AU - Kasahara, S. M S
AU - Kim, M. S.
AU - Koizumi, G.
AU - Kopp, S.
AU - Kordosky, M.
AU - Koskinen, D. J.
AU - Kotelnikov, S. K.
AU - Kreymer, A.
AU - Kumaratunga, S.
AU - Lang, K.
AU - Lebedev, A.
AU - Lee, R.
AU - Ling, J.
AU - Liu, J.
AU - Litchfield, P. J.
AU - Litchfield, R. P.
AU - Lucas, P.
AU - Mann, W. A.
AU - Marchionni, A.
AU - Marino, A. D.
AU - Marshak, M. L.
AU - Marshall, J. S.
AU - Mayer, N.
AU - McGowan, A. M.
AU - Meier, J. R.
AU - Merzon, G. I.
AU - Messier, M. D.
AU - Michael, D. G.
AU - Milburn, R. H.
AU - Miller, J. L.
AU - Miller, W. H.
AU - Mishra, S. R.
AU - Mislivec, A.
AU - Miyagawa, P. S.
AU - Moore, C. D.
AU - Morfín, J.
AU - Mualem, L.
AU - Mufson, S.
AU - Murgia, S.
AU - Musser, J.
AU - Naples, D.
AU - Nelson, J. K.
AU - Newman, H. B.
AU - Nichol, R. J.
AU - Nicholls, T. C.
AU - Ochoa-Ricoux, J. P.
AU - Oliver, W. P.
AU - Osiecki, T.
AU - Ospanov, R.
AU - Paley, J.
AU - Paolone, V.
AU - Para, A.
AU - Patzak, T.
AU - Pavlović, Ž
AU - Pearce, G. F.
AU - Peck, C. W.
AU - Peterson, E. A.
AU - Petyt, D. A.
AU - Ping, H.
AU - Piteira, R.
AU - Pittam, R.
AU - Plunkett, R. K.
AU - Rahman, D.
AU - Rameika, R. A.
AU - Raufer, T. M.
AU - Rebel, B.
AU - Reichenbacher, J.
AU - Reyna, D. E.
AU - Rosenfeld, C.
AU - Rubin, H. A.
AU - Ruddick, K.
AU - Ryabov, V. A.
AU - Saakyan, R.
AU - Sanchez, M. C.
AU - Saoulidou, N.
AU - Schneps, J.
AU - Schreiner, P.
AU - Semenov, V. K.
AU - Seun, S. M.
AU - Shanahan, P.
AU - Smart, W.
AU - Smirnitsky, V.
AU - Smith, C.
AU - Sousa, A.
AU - Speakman, B.
AU - Stamoulis, P.
AU - Symes, P. A.
AU - Tagg, N.
AU - Talaga, R. L.
AU - Tetteh-Lartey, E.
AU - Thomas, J.
AU - Thompson, J.
AU - Thomson, M. A.
AU - Thron, J. L.
AU - Tinti, G.
AU - Trostin, I.
AU - Tsarev, V. A.
AU - Tzanakos, G.
AU - Urheim, J.
AU - Vahle, P.
AU - Verebryusov, V.
AU - Viren, B.
AU - Ward, C. P.
AU - Ward, D. R.
AU - Watabe, M.
AU - Weber, A.
AU - Webb, R. C.
AU - Wehmann, A.
AU - West, N.
AU - White, C.
AU - Wojcicki, S. G.
AU - Wright, D. M.
AU - Wu, Q. K.
AU - Yang, T.
AU - Yumiceva, F. X.
AU - Zheng, H.
AU - Zois, M.
AU - Zwaska, R.
PY - 2007/5/17
Y1 - 2007/5/17
N2 - We found 140 neutrino-induced muons in 854.24 live days in the MINOS far detector, which has an acceptance for neutrino-induced muons of 6.91×106cm2sr. We looked for evidence of neutrino disappearance in this data set by computing the ratio of the number of low momentum muons to the sum of the number of high momentum and unknown momentum muons for both data and Monte Carlo expectation in the absence of neutrino oscillations. The ratio of data and Monte Carlo ratios, R, is R=0.65-0.12+0.15(stat)±0.09(syst), a result that is consistent with an oscillation signal. A fit to the data for the oscillation parameters sin 22θ23 and Δm232 excludes the null oscillation hypothesis at the 94% confidence level. We separated the muons into μ- and μ+ in both the data and Monte Carlo events and found the ratio of the total number of μ- to μ+ in both samples. The ratio of those ratios, R^CPT, is a test of CPT conservation. The result R^CPT=0.72-0.18+0.24(stat)-0. 04+0.08(syst) is consistent with CPT conservation.
AB - We found 140 neutrino-induced muons in 854.24 live days in the MINOS far detector, which has an acceptance for neutrino-induced muons of 6.91×106cm2sr. We looked for evidence of neutrino disappearance in this data set by computing the ratio of the number of low momentum muons to the sum of the number of high momentum and unknown momentum muons for both data and Monte Carlo expectation in the absence of neutrino oscillations. The ratio of data and Monte Carlo ratios, R, is R=0.65-0.12+0.15(stat)±0.09(syst), a result that is consistent with an oscillation signal. A fit to the data for the oscillation parameters sin 22θ23 and Δm232 excludes the null oscillation hypothesis at the 94% confidence level. We separated the muons into μ- and μ+ in both the data and Monte Carlo events and found the ratio of the total number of μ- to μ+ in both samples. The ratio of those ratios, R^CPT, is a test of CPT conservation. The result R^CPT=0.72-0.18+0.24(stat)-0. 04+0.08(syst) is consistent with CPT conservation.
UR - http://www.scopus.com/inward/record.url?scp=34347359566&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34347359566&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.75.092003
DO - 10.1103/PhysRevD.75.092003
M3 - Article
AN - SCOPUS:34347359566
VL - 75
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
SN - 1550-7998
IS - 9
M1 - 092003
ER -