  The energy dependent 37Ar(n,p)37Cl and 37Ar(n,alpha)34S reaction cross
sections were determined for the first time in an experimental effort involving
three large facilities: the cyclotron of the UCL (Louvain-la-Neuve, Belgium)
where implanted 37Ar samples were produced; the high flux reactor of the ILL
(Grenoble, France) where thermal (n,p), (n,alpha_0) and (n,alpha_1) cross
sections of (37+/-4)b, (1070+/-80)b and (290+/-50)mb respectively could be
determined, and the GELINA neutron time-of-flight facility of the IRMM (Geel,
Belgium) where strong resonances were observed in the keV region.
