Search for a Fourth Generation Quark With Q=eQ = e/3 in e+ee^+ e^- Collisions at s=56\sqrt{s}=56-{GeV} - 57-{GeV}

Collaboration
Jan, 1989
13 pages
Published in:
  • Phys.Rev.D 39 (1989) 3524
Report number:
  • KEK-PREPRINT-88-111,
  • HUPD-8815,
  • KOBE-HEP-88-06,
  • KUNS-954,
  • OULNS-88-08,
  • TMUP-HEL-88-23
Experiments:

Citations per year

198919901991199210301
Abstract: (APS)
A search for a fourth-generation quark with ‖Q‖=e/3 has been made with the VENUS detector at the KEK e+e− collider TRISTAN. Multihadron events with a spherical shape or containing isolated leptons were studied. There is no evidence for an excess production of such events in e+e− collision at √s =56–57 GeV and a lower limit on the mass is 27.5 GeV/c2 at the 95% C.L.
  • ELECTRON POSITRON: COLLIDING BEAMS
  • COLLIDING BEAMS: ELECTRON POSITRON
  • ELECTRON POSITRON: ANNIHILATION
  • ANNIHILATION: ELECTRON POSITRON
  • NEW PARTICLE: SEARCH FOR
  • QUARK: OCTET
  • HADRON: MULTIPLE PRODUCTION
  • MULTIPLE PRODUCTION: HADRON
  • EVENT SHAPE ANALYSIS
  • LEPTON: DIRECT PRODUCTION