Search for neutral particles in electron-beam-dump experiment

A. Konaka, K. Imai, H. Kobayashi, A. Masaike, K. Miyake, T. Nakamura, N. Nagamine, N. Sasao, A. Enomoto, Y. Fukushima, E. Kikutani, H. Koiso, H. Matsumoto, K. Nakahara, S. Ohsawa, T. Taniguchi, I. Sato, J. Urakawa

Research output: Contribution to journalArticlepeer-review

121 Citations (Scopus)


An experiment to search for the production of neutral penetrating particles decaying into electron-positron pairs was performed with a 2.5-GeV electron beam. A total of 0.027 C was injected into a tungsten target. No such particle is found. Constraints on coupling constants ±e and ± are given.

Original languageEnglish
Pages (from-to)659-662
Number of pages4
JournalPhysical Review Letters
Issue number6
Publication statusPublished - 1986
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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