Abstract
We present updated results from the NOvA experiment for νμ→νμ and νμ→νe oscillations from an exposure of 8.85×1020 protons on target, which represents an increase of 46% compared to our previous publication. The results utilize significant improvements in both the simulations and analysis of the data. A joint fit to the data for νμ disappearance and νe appearance gives the best-fit point as normal mass hierarchy, Δm322=2.44×10-3 eV2/c4, sin2θ23=0.56, and δCP=1.21π. The 68.3% confidence intervals in the normal mass hierarchy are Δm322[2.37,2.52]×10-3 eV2/c4, sin2θ23[0.43,0.51][0.52,0.60], and δCP[0,0.12π][0.91π,2π]. The inverted mass hierarchy is disfavored at the 95% confidence level for all choices of the other oscillation parameters.
| Original language | English (US) |
|---|---|
| Article number | 032012 |
| Journal | Physical Review D |
| Volume | 98 |
| Issue number | 3 |
| DOIs | |
| State | Published - Aug 1 2018 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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New constraints on oscillation parameters from νe appearance and νμ disappearance in the NOvA experiment. / Acero, M. A.; Adamson, P.; Aliaga, L.; Alion, T.; Allakhverdian, V.; Anfimov, N.; Antoshkin, A.; Arrieta-Diaz, E.; Aurisano, A.; Back, A.; Backhouse, C.; Baird, M.; Balashov, N.; Bambah, B. A.; Bays, K.; Behera, B.; Bending, S.; Bernstein, R.; Bhatnagar, V.; Bhuyan, B.; Bian, J.; Blackburn, T.; Blair, J.; Bolshakova, A.; Bour, P.; Bromberg, C.; Brown, J.; Buchanan, N.; Butkevich, A.; Bychkov, V.; Campbell, M.; Carroll, T. J.; Catano-Mur, E.; Cedeno, A.; Childress, S.; Choudhary, B. C.; Chowdhury, B.; Coan, T. E.; Colo, M.; Cooper, J.; Corwin, L.; Cremonesi, L.; Cronin-Hennessy, D.; Davies, G. S.; Davies, J. P.; De Rijck, S.; Derwent, P. F.; Dharmapalan, R.; Ding, P.; Djurcic, Z.; Dukes, E. C.; Dung, P.; Duyang, H.; Edayath, S.; Ehrlich, R.; Feldman, G. J.; Frank, M. J.; Gallagher, H. R.; Gandrajula, R.; Gao, F.; Germani, S.; Giri, A.; Gomes, R. A.; Goodman, M. C.; Grichine, V.; Groh, M.; Group, R.; Grover, D.; Guo, B.; Habig, A.; Hakl, F.; Hartnell, J.; Hatcher, R.; Hatzikoutelis, A.; Heller, K.; Himmel, A.; Holin, A.; Howard, B.; Huang, J.; Hylen, J.; Jediny, F.; Judah, M.; Kakorin, I.; Kalra, D.; Kaplan, D. M.; Keloth, R.; Klimov, O.; Koerner, L. W.; Kolupaeva, L.; Kotelnikov, S.; Kourbanis, I.; Kreymer, A.; Kulenberg, Ch; Kumar, A.; Kuruppu, C.; Kus, V.; Lackey, T.; Lang, K.; Lin, S.; Lokajicek, M.; Lozier, J.; Luchuk, S.; Maan, K.; Magill, S.; Mann, W. A.; Marshak, M. L.; Matveev, V.; Méndez, D. P.; Messier, M. D.; Meyer, H.; Miao, T.; Miller, W. H.; Mishra, S. R.; Mislivec, A.; Mohanta, R.; Moren, A.; Mualem, L.; Muether, M.; Mufson, S.; Murphy, R.; Musser, J.; Naples, D.; Nayak, N.; Nelson, J. K.; Nichol, R.; Niner, E.; Norman, A.; Nosek, T.; Oksuzian, Y.; Olshevskiy, A.; Olson, T.; Paley, J.; Patterson, R. B.; Pawloski, G.; Pershey, D.; Petrova, O.; Petti, R.; Phan-Budd, S.; Plunkett, R. K.; Potukuchi, B.; Principato, C.; Psihas, F.; Radovic, A.; Rameika, R. A.; Rebel, B.; Rojas, P.; Ryabov, V.; Sachdev, K.; Samoylov, O.; Sanchez, M. C.; Sepulveda-Quiroz, J.; Shanahan, P.; Sheshukov, A.; Singh, P.; Singh, V.; Smith, E.; Smolik, J.; Snopok, P.; Solomey, N.; Song, E.; Sousa, A.; Soustruznik, K.; Strait, M.; Suter, L.; Talaga, R. L.; Tas, P.; Thayyullathil, R. B.; Thomas, J.; Tiras, E.; Tognini, S. C.; Torbunov, D.; Tripathi, J.; Tsaris, A.; Torun, Y.; Urheim, J.; Vahle, P.; Vasel, J.; Vinton, L.; Vokac, P.; Vold, A.; Vrba, T.; Wang, B.; Warburton, T. K.; Wetstein, M.; Whittington, D.; Wojcicki, S. G.; Wolcott, J.; Yang, S.; Yu, S.; Zalesak, J.; Zamorano, B.; Zwaska, R.
In: Physical Review D, Vol. 98, No. 3, 032012, 01.08.2018.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - New constraints on oscillation parameters from νe appearance and νμ disappearance in the NOvA experiment
AU - Acero, M. A.
AU - Adamson, P.
AU - Aliaga, L.
AU - Alion, T.
AU - Allakhverdian, V.
AU - Anfimov, N.
AU - Antoshkin, A.
AU - Arrieta-Diaz, E.
AU - Aurisano, A.
AU - Back, A.
AU - Backhouse, C.
AU - Baird, M.
AU - Balashov, N.
AU - Bambah, B. A.
AU - Bays, K.
AU - Behera, B.
AU - Bending, S.
AU - Bernstein, R.
AU - Bhatnagar, V.
AU - Bhuyan, B.
AU - Bian, J.
AU - Blackburn, T.
AU - Blair, J.
AU - Bolshakova, A.
AU - Bour, P.
AU - Bromberg, C.
AU - Brown, J.
AU - Buchanan, N.
AU - Butkevich, A.
AU - Bychkov, V.
AU - Campbell, M.
AU - Carroll, T. J.
AU - Catano-Mur, E.
AU - Cedeno, A.
AU - Childress, S.
AU - Choudhary, B. C.
AU - Chowdhury, B.
AU - Coan, T. E.
AU - Colo, M.
AU - Cooper, J.
AU - Corwin, L.
AU - Cremonesi, L.
AU - Cronin-Hennessy, D.
AU - Davies, G. S.
AU - Davies, J. P.
AU - De Rijck, S.
AU - Derwent, P. F.
AU - Dharmapalan, R.
AU - Ding, P.
AU - Djurcic, Z.
AU - Dukes, E. C.
AU - Dung, P.
AU - Duyang, H.
AU - Edayath, S.
AU - Ehrlich, R.
AU - Feldman, G. J.
AU - Frank, M. J.
AU - Gallagher, H. R.
AU - Gandrajula, R.
AU - Gao, F.
AU - Germani, S.
AU - Giri, A.
AU - Gomes, R. A.
AU - Goodman, M. C.
AU - Grichine, V.
AU - Groh, M.
AU - Group, R.
AU - Grover, D.
AU - Guo, B.
AU - Habig, A.
AU - Hakl, F.
AU - Hartnell, J.
AU - Hatcher, R.
AU - Hatzikoutelis, A.
AU - Heller, K.
AU - Himmel, A.
AU - Holin, A.
AU - Howard, B.
AU - Huang, J.
AU - Hylen, J.
AU - Jediny, F.
AU - Judah, M.
AU - Kakorin, I.
AU - Kalra, D.
AU - Kaplan, D. M.
AU - Keloth, R.
AU - Klimov, O.
AU - Koerner, L. W.
AU - Kolupaeva, L.
AU - Kotelnikov, S.
AU - Kourbanis, I.
AU - Kreymer, A.
AU - Kulenberg, Ch
AU - Kumar, A.
AU - Kuruppu, C.
AU - Kus, V.
AU - Lackey, T.
AU - Lang, K.
AU - Lin, S.
AU - Lokajicek, M.
AU - Lozier, J.
AU - Luchuk, S.
AU - Maan, K.
AU - Magill, S.
AU - Mann, W. A.
AU - Marshak, M. L.
AU - Matveev, V.
AU - Méndez, D. P.
AU - Messier, M. D.
AU - Meyer, H.
AU - Miao, T.
AU - Miller, W. H.
AU - Mishra, S. R.
AU - Mislivec, A.
AU - Mohanta, R.
AU - Moren, A.
AU - Mualem, L.
AU - Muether, M.
AU - Mufson, S.
AU - Murphy, R.
AU - Musser, J.
AU - Naples, D.
AU - Nayak, N.
AU - Nelson, J. K.
AU - Nichol, R.
AU - Niner, E.
AU - Norman, A.
AU - Nosek, T.
AU - Oksuzian, Y.
AU - Olshevskiy, A.
AU - Olson, T.
AU - Paley, J.
AU - Patterson, R. B.
AU - Pawloski, G.
AU - Pershey, D.
AU - Petrova, O.
AU - Petti, R.
AU - Phan-Budd, S.
AU - Plunkett, R. K.
AU - Potukuchi, B.
AU - Principato, C.
AU - Psihas, F.
AU - Radovic, A.
AU - Rameika, R. A.
AU - Rebel, B.
AU - Rojas, P.
AU - Ryabov, V.
AU - Sachdev, K.
AU - Samoylov, O.
AU - Sanchez, M. C.
AU - Sepulveda-Quiroz, J.
AU - Shanahan, P.
AU - Sheshukov, A.
AU - Singh, P.
AU - Singh, V.
AU - Smith, E.
AU - Smolik, J.
AU - Snopok, P.
AU - Solomey, N.
AU - Song, E.
AU - Sousa, A.
AU - Soustruznik, K.
AU - Strait, M.
AU - Suter, L.
AU - Talaga, R. L.
AU - Tas, P.
AU - Thayyullathil, R. B.
AU - Thomas, J.
AU - Tiras, E.
AU - Tognini, S. C.
AU - Torbunov, D.
AU - Tripathi, J.
AU - Tsaris, A.
AU - Torun, Y.
AU - Urheim, J.
AU - Vahle, P.
AU - Vasel, J.
AU - Vinton, L.
AU - Vokac, P.
AU - Vold, A.
AU - Vrba, T.
AU - Wang, B.
AU - Warburton, T. K.
AU - Wetstein, M.
AU - Whittington, D.
AU - Wojcicki, S. G.
AU - Wolcott, J.
AU - Yang, S.
AU - Yu, S.
AU - Zalesak, J.
AU - Zamorano, B.
AU - Zwaska, R.
N1 - Funding Information: This work was supported by the U.S. Department of Energy; the U.S. National Science Foundation; the Department of Science and Technology, India; the European Research Council; the MSMT CR, GA UK, Czech Republic; the RAS, RFBR, RMES, RSF, and BASIS Foundation, Russia; CNPq and FAPEG, Brazil; and the state and University of Minnesota. We are grateful for the contributions of the staffs at the University of Minnesota module assembly facility and Ash River Laboratory, Argonne National Laboratory, and Fermilab. Fermilab is operated by Fermi Research Alliance, LLC, under Contract No. DE-AC02-07CH11359 with the U.S. DOE. Publisher Copyright: © 2018 authors. Published by the American Physical Society.
PY - 2018/8/1
Y1 - 2018/8/1
N2 - We present updated results from the NOvA experiment for νμ→νμ and νμ→νe oscillations from an exposure of 8.85×1020 protons on target, which represents an increase of 46% compared to our previous publication. The results utilize significant improvements in both the simulations and analysis of the data. A joint fit to the data for νμ disappearance and νe appearance gives the best-fit point as normal mass hierarchy, Δm322=2.44×10-3 eV2/c4, sin2θ23=0.56, and δCP=1.21π. The 68.3% confidence intervals in the normal mass hierarchy are Δm322[2.37,2.52]×10-3 eV2/c4, sin2θ23[0.43,0.51][0.52,0.60], and δCP[0,0.12π][0.91π,2π]. The inverted mass hierarchy is disfavored at the 95% confidence level for all choices of the other oscillation parameters.
AB - We present updated results from the NOvA experiment for νμ→νμ and νμ→νe oscillations from an exposure of 8.85×1020 protons on target, which represents an increase of 46% compared to our previous publication. The results utilize significant improvements in both the simulations and analysis of the data. A joint fit to the data for νμ disappearance and νe appearance gives the best-fit point as normal mass hierarchy, Δm322=2.44×10-3 eV2/c4, sin2θ23=0.56, and δCP=1.21π. The 68.3% confidence intervals in the normal mass hierarchy are Δm322[2.37,2.52]×10-3 eV2/c4, sin2θ23[0.43,0.51][0.52,0.60], and δCP[0,0.12π][0.91π,2π]. The inverted mass hierarchy is disfavored at the 95% confidence level for all choices of the other oscillation parameters.
UR - http://www.scopus.com/inward/record.url?scp=85053010173&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85053010173&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.98.032012
DO - 10.1103/PhysRevD.98.032012
M3 - Article
AN - SCOPUS:85053010173
VL - 98
JO - Physical Review D
JF - Physical Review D
SN - 2470-0010
IS - 3
M1 - 032012
ER -