Matter effects in upward-going muons and sterile neutrino oscillations

  • M. Ambrosio
  • , R. Antolini
  • , G. Auriemma
  • , D. Bakari
  • , A. Baldini
  • , G. C. Barbarino
  • , B. C. Barish
  • , G. Battistoni
  • , Y. Becherini
  • , R. Bellotti
  • , C. Bemporad
  • , P. Bernardini
  • , H. Bilokon
  • , V. Bisi
  • , C. Bloise
  • , C. Bower
  • , M. Brigida
  • , S. Bussino
  • , F. Cafagna
  • , M. Calicchio
  • D. Campana, M. Carboni, R. Caruso, S. Cecchini, F. Cei, V. Chiarella, B. C. Choudhary, S. Coutu, G. de Cataldo, H. Dekhissi, C. de Marzo, I. de Mitri, J. Derkaoui, M. de Vincenzi, A. di Credico, O. Erriquez, C. Favuzzi, C. Forti, P. Fusco, G. Giacomelli, G. Giannini, N. Giglietto, M. Giorgini, M. Grassi, L. Gray, A. Grillo, F. Guarino, C. Gustavino, A. Habig, K. Hanson, R. Heinz, E. Iarocci, E. Katsavounidis, I. Katsavounidis, E. Kearns, H. Kim, S. Kyriazopoulou, E. Lamanna, C. Lane, D. S. Levin, P. Lipari, N. P. Longley, M. J. Longo, F. Loparco, F. Maaroufi, G. Mancarella, G. Mandrioli, A. Margiotta, A. Marini, D. Martello, A. Marzari-Chiesa, M. N. Mazziotta, D. G. Michael, S. Mikheyev, L. Miller, P. Monacelli, T. Montaruli, M. Monteno, S. Mufson, J. Musser, D. Nicolo, R. Nolty, C. Orth, G. Osteria, O. Palamara, V. Patera, L. Patrizii, R. Pazzi, C. W. Peck, L. Perrone, S. Petrera, P. Pistilli, V. Popa, A. Raino, J. Reynoldson, F. Ronga, A. Rrhioua, C. Satriano, E. Scapparone, K. Scholberg, A. Sciubba, P. Serra, M. Sioli, G. Sirri, M. Sitta, P. Spinelli, M. Spinetti, M. Spurio, R. Steinberg, J. L. Stone, L. R. Sulak, A. Surdo, G. Tarlè, V. Togo, M. Vakili, C. W. Walter, R. Webb

Research output: Contribution to journalArticlepeer-review

191 Scopus citations

Abstract

The angular distribution of upward-going muons produced by atmospheric neutrinos in the rock below the MACRO detector shows anomalies in good agreement with two flavor vμ → vτ oscillations with maximum mixing and Δm2 around 0.0024 eV2. Exploiting the dependence of magnitude of the matter effect on oscillation channel, and using a set of 809 upward-going muons observed in MACRO, we show that the two flavor vμ → vs oscillation is disfavored with 99% C.L. with respect to vμ → vτ.

Original languageEnglish (US)
Pages (from-to)59-66
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume517
Issue number1-2
DOIs
StatePublished - Sep 27 2001

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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