New magnetic monopole flux limits from the IMB proton decay detector

R. Becker-Szendy; C. B. Bratton; J. Breault; D. Casper; S. T. Dye; K. Ganezer; W. Gajewski; M. Goldhaber; T. J. Haines; P. G. Halverson; D. Kielczewska; W. R. Kropp; J. G. Learned; J. LoSecco; S. Matsuno; G. McGrath; C. McGrew; R. S. Miller; L. Price; F. Reines; J. Schultz; H. W. Sobel; J. L. Stone; L. R. Sulak; R. Svoboda

doi:10.1103/PhysRevD.49.2169

New magnetic monopole flux limits from the IMB proton decay detector

R. Becker-Szendy, C. B. Bratton, J. Breault, D. Casper, S. T. Dye, K. Ganezer, W. Gajewski, M. Goldhaber, T. J. Haines, P. G. Halverson, D. Kielczewska, W. R. Kropp, J. G. Learned, J. LoSecco, S. Matsuno, G. McGrath, C. McGrew, R. S. Miller, L. Price, F. Reines, J. Schultz, H. W. Sobel, J. L. Stone, L. R. Sulak, and R. Svoboda

Phys. Rev. D 49, 2169 – Published 1 March 1994

Abstract

An improved limit on the flux of magnetic monopoles in the vicinity of the solar system is obtained, assuming that monopoles strongly catalyze nucleon decay (the Rubakov-Callan effect). Flux limits are presented for monopole velocities from $10^{- 5} c$ to $10^{- 1} c$ and for monopole-nucleon cross sections between $10^{- 27}$ ${cm}^{2}$ and $10^{- 21}$ ${cm}^{2}$ . For a representative velocity $β \approx 10^{- 3}$ , and cross section $σ \approx 10^{- 24}$ ${cm}^{2}$ , we obtain a limit $F_{m} < 2.7 \times 10^{- 15}$ ${cm}^{- 2}$ ${sr}^{- 1}$ $\sec^{- 1}$ and for $σ \approx 10^{- 25}$ ${cm}^{2}$ , $F_{m} < 1.0 \times 10^{- 15}$ ${cm}^{- 2}$ ${sr}^{- 1}$ $\sec^{- 1}$ at 90% C.L.

Received 30 June 1993

DOI:https://doi.org/10.1103/PhysRevD.49.2169

Authors & Affiliations

R. Becker-Szendy^1,*, C. B. Bratton², J. Breault³, D. Casper^4,†, S. T. Dye⁴, K. Ganezer⁵, W. Gajewski³, M. Goldhaber⁶, T. J. Haines⁷, P. G. Halverson³, D. Kielczewska^3,8, W. R. Kropp³, J. G. Learned¹, J. LoSecco⁹, S. Matsuno¹, G. McGrath¹, C. McGrew³, R. S. Miller¹⁰, L. Price³, F. Reines³, J. Schultz³, H. W. Sobel³, J. L. Stone⁴, L. R. Sulak⁴, and R. Svoboda¹⁰

¹University of Hawaii, Honolulu, Hawaii 96822
²Cleveland State University, Cleveland, Ohio 44115
³University of California, Irvine, California 92717
⁴Boston University, Boston, Massachusetts 02215
⁵California State University, Dominguez Hills, Carson, California 90747
⁶Brookhaven National Laboratory, Upton, New York 11973
⁷University of Maryland, College Park, Maryland 20742
⁸Warsaw University, Warsaw, Poland
⁹University of Notre Dame, Notre Dame, Indiana 46556
¹⁰Louisiana State University, Baton Rouge, Louisiana 70803

^*Now at SLAC, Stanford, California 94309.
^†Now at CERN, CH-1211 Geneva, Switzerland.

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Vol. 49, Iss. 5 — 1 March 1994

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covering particles, fields, gravitation, and cosmology