ENTRY E1887 20050914 E032E188700000001 SUBENT E1887001 20050914 E032E188700100001 BIB 14 43 E188700100002 TITLE Half-life of the electron capture decaying isotope E188700100003 236Am E188700100004 AUTHOR (K.Tsukada, S.Ichikawa, Y.Hatsukawa, I.Nishinaka, E188700100005 K.Hata, Y.Nagame, Y.Oura, T.Ohyama, K.Sueki, E188700100006 H.Nakahara, M.Asai, Y.Kojima, T.Hirose, H.Yamamoto, E188700100007 K.Kawade) E188700100008 INSTITUTE (2JPNJAE) E188700100009 (2JPNTMU) Department of Chemistry E188700100010 (2JPNNAG) Department of Energy Engineering and Science E188700100011 REFERENCE (J,PR/C,57,(4),2057,199804) E188700100012 REL-REF (A,,H.L.Hall,R,LBL-27878,1989) E188700100013 Half-life of 236Am obtained by 237Np(3He,4n) is E188700100014 3.73+-0.28 min in this work. E188700100015 DECAY-DATA (95-AM-236,4.4MIN,XR) E188700100016 Decay data for Pu K(alpha 1) X-ray in present E188700100017 experiment. T1/2= 4.4+-1.0 min. E188700100018 (95-AM-236,4.5MIN,XR) E188700100019 Decay data for Pu K(alpha 2) X-ray in present E188700100020 experiment. T1/2= 4.5+-1.5 min. E188700100021 INC-SOURCE - Beam intensity is 100 to 300 particle-nA. E188700100022 - Charge of incident ion is 3+. E188700100023 SAMPLE - Target enrichment is 93%. E188700100024 - Chemical-form of target is element. E188700100025 - Physical-form of target is solid. E188700100026 - Target-thickness is 0.2 mg/cm**2. E188700100027 - Backing is aluminium. Electrodeposited E188700100028 - Backing-thickness is 0.8 mg/cm**2. E188700100029 METHOD (STTA) Stack of fifteen 235U targets was bombarded. E188700100030 (HEJET) Products attached to KCL clusters were swept E188700100031 out of the target chamber with He gas E188700100032 (OLMS) JAERI-ISOL [S. Ichikawa et al., Nucl. Instrum. E188700100033 Meth. A374(1996)330]. Mass resolution A/Delta-A E188700100034 is about 600 for 221Fr. E188700100035 FACILITY (VDGT,2JPNJAE) E188700100036 ANALYSIS (DECAY) Decay curves for Pu K(alpha 1) and Pu E188700100037 K(alpha2) X-ray. Evaluated half-life of 236Am E188700100038 is 4.4+-0.8 min. E188700100039 DETECTOR (GELI) Planartype Ge detector (FWHM= 0.57 keV at 122 E188700100040 keV) E188700100041 (HPGE) Coaxial n-type Ge detector (FWHM= 1.8 keV at E188700100042 1.33 MeV) E188700100043 STATUS (TABLE) Data taken from text, p2059 in reference E188700100044 HISTORY (20040415C) Kc + On E188700100045 ENDBIB 43 0 E188700100046 COMMON 2 3 E188700100047 EN-MIN EN-MAX E188700100048 MEV MEV E188700100049 46.0 50.0 E188700100050 ENDCOMMON 3 0 E188700100051 ENDSUBENT 50 0 E188700199999 SUBENT E1887002 20050914 E032E188700200001 BIB 1 2 E188700200002 REACTION (92-U-235(3-LI-6,5N)95-AM-236,,SIG,,AV) E188700200003 Average for incident energy range E188700200004 ENDBIB 2 0 E188700200005 NOCOMMON 0 0 E188700200006 DATA 1 1 E188700200007 DATA-APRX E188700200008 MICRO-B E188700200009 70.0 E188700200010 ENDDATA 3 0 E188700200011 ENDSUBENT 10 0 E188700299999 ENDENTRY 2 0 E188799999999