Production of selected cosmogenic radionuclides by muons: 2. Capture of negative muons

B. Heisinger, D. Lal, A. J.T. Jull, P. Kubik, S. Ivy-Ochs, K. Knie, E. Nolte

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

370 Zitate (Scopus)

Abstract

We have determined the production yields for radionuclides in Al2O3, SiO2, S, Ar, K2SO4, CaCO3, Fe, Ni and Cu targets, which were irradiated with slow negative muons at the Paul Scherrer Institute in Villigen (Switzerland). The fluences of the stopped negative muons were determined by measuring the muonic X-rays. The concentrations of the long-lived and short-lived radionuclides were measured with accelerator mass spectrometry (AMS) and γ-spectroscopy, respectively. Special emphasis was put on the radionuclides 10Be, 14C, and 26Al produced in quartz targets, 26Al in Al2O3 and S targets, 36Cl in K2SO4 and CaCO3 targets, and 53Mn in Fe2O3 targets. These targets were selected because they are also the naturally occuring target minerals for cosmic ray interactions in typical rocks. We also present results of calculations for depth-dependent production rates of radionuclides produced after cosmic ray μ- capture, as well as cosmic ray-induced production rates of geologically relevant radionuclides produced by the nucleonic component, by μ- capture, by fast muons and by neutron capture.

OriginalspracheEnglisch
Seiten (von - bis)357-369
Seitenumfang13
FachzeitschriftEarth and Planetary Science Letters
Jahrgang200
Ausgabenummer3-4
DOIs
PublikationsstatusVeröffentlicht - 2002

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