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Nuclear Track Detectors for Particle Searches

S. Manzoor, S. Balestra, M. Cozzi, M. Errico, G. Giacomelli, M. Giorgini, A. Kumar, A. Margiotta, E. Medinaceli, L. Patrizii, V. Popa, I. E. Qureshi, V. Togo

physics.ins-detarXiv:physics/0611084

Abstract

In this paper we report a search for intermediate mass magnetic monopoles and nuclearites using CR39 and Makrofol Nuclear Track Detectors (NTDs) of the SLIM large area experiment, 440 m2 exposed at the high altitude laboratory of Chacaltaya (Bolivia) and about 100 m2 at Koksil, Himalaya (Pakistan). We discuss the new chemical etching and improved analysis of the SLIM CR39 sheets. Preliminary limits are based on 316 m2 of CR39 NTDs exposed for 3.9 y.

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