Physics
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008nimpa.596..131k&link_type=abstract
Nuclear Instruments and Methods in Physics Research Section A, Volume 596, Issue 1, p. 131-133.
Physics
Scientific paper
The problem of cross-talks (induction of signals) from the E detector to the ΔE detector in a monolithic E ΔE telescope was solved by choosing an appropriate geometry of the telescope. It was shown by solving the telegraphic equation, which describes the time-dependent evolution of induced signals in the ΔE detector RC line, that for long and narrow monolithic telescopes the induced signals (cross-talks) were suppressed. These results are experimentally supported by measurements of α particles with a circular monolithic E ΔE telescope. When α particles were measured at the telescope edge, the induced signal (cross-talk) was decreased. For α particles measured at the center of the telescope the amplitude of cross-talk was higher. Applying these results we have designed a new type of device based on the n n p n n structures: double-sided strip monolithic silicon E ΔE telescope. The device is similar to the traditional double sided strip detector, however, an introduced p-type buried grounded separating layer isolates the (upper) ΔE strip detector from the (bottom) E strip detector of the telescope.
Kordyasz A. J.
Kulczycka E.
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