Nonobservation of Heavier <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi></math></span> Particles from <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>p</mi><mo>−</mo><mi>N</mi></math></span> Reactions

J. J. Aubert; U. J. Becker; P. J. Biggs; J. Burger; M. Chen; G. Everhart; P. Goldhagen; J. Leong; T. McCorriston; T. G. Rhoades; M. Rohde; S. C. C. Ting; Sau-Lan Wu; J. W. Glenn, III; Y. Y. Lee

doi:10.1103/PhysRevLett.33.1624

Nonobservation of Heavier $J$ Particles from $p - N$ Reactions

J. J. Aubert, U. J. Becker, P. J. Biggs, J. Burger, M. Chen, G. Everhart, P. Goldhagen, J. Leong, T. McCorriston, T. G. Rhoades, M. Rohde, S. C. C. Ting, Sau-Lan Wu, J. W. Glenn, III, and Y. Y. Lee

Phys. Rev. Lett. 33, 1624 – Published 30 December 1974

Abstract

After the discovery of the $J$ particle at 3.1-GeV mass we have made an extensive search for heavier $J$ particles in the mass region 3.2 to 4.0 GeV. To a level of 1% of $J$ (3.1 GeV) yield, and with 90% confidence, no heavier $J$ particles were found.