Skip to main content
eScholarship
Open Access Publications from the University of California

UC Berkeley

UC Berkeley Previously Published Works bannerUC Berkeley

Search for long-lived massive neutrinos in Z decays.

  • Author(s): Jung, CK;
  • Van Kooten R;
  • Abrams, GS;
  • Adolphsen, CE;
  • Averill, D;
  • Ballam, J;
  • Barish, BC;
  • Barklow, T;
  • Barnett, BA;
  • Bartelt, J;
  • Bethke, S;
  • Blockus, D;
  • Bonvicini, G;
  • Boyarski, A;
  • Brabson, B;
  • Breakstone, A;
  • Bulos, F;
  • Burchat, PR;
  • Burke, DL;
  • Cence, RJ;
  • Chapman, J;
  • Chmeissani, M;
  • Cords, D;
  • Coupal, DP;
  • Dauncey, P;
  • DeStaebler, HC;
  • Dorfan, DE;
  • Dorfan, JM;
  • Drewer, DC;
  • Elia, R;
  • Feldman, GJ;
  • Fernandes, D;
  • Field, RC;
  • Ford, WT;
  • Fordham, C;
  • Frey, R;
  • Fujino, D;
  • Gan, KK;
  • Gatto, C;
  • Gero, E;
  • Gidal, G;
  • Glanzman, T;
  • Goldhaber, G;
  • Gomez Cadenas JJ;
  • Gratta, G;
  • Grindhammer, G;
  • Grosse-Wiesmann, P;
  • Hanson, G;
  • Harr, R;
  • Harral, B;
  • Harris, FA;
  • Hawkes, CM;
  • Hayes, K;
  • Hearty, C;
  • Heusch, CA;
  • Hildreth, MD;
  • Himel, T;
  • Hinshaw, DA;
  • Hong, SJ;
  • Hutchinson, D;
  • Hylen, J;
  • Innes, WR;
  • Jacobsen, RG;
  • Jaros, JA
  • et al.
Abstract

We search for events in the Mark II detector at SLAC Linear Collider with the topology of a Z boson decaying into a pair of long-lived massive particles. No events that are consistent with the search hypothesis are found. Interpreting the long-lived particle as a sequential Dirac neutrino 4 of the fourth generation, we exclude at the 95% confidence level a significant range of mixing-matrix elements of 4 to other-generation neutrinos for a 4 mass from 10 to 43 GeV/c2. © 1990 The American Physical Society.

Many UC-authored scholarly publications are freely available on this site because of the UC's open access policies. Let us know how this access is important for you.

Main Content
For improved accessibility of PDF content, download the file to your device.
Current View