ENTRY E1885 20050914 E032E188500000001 SUBENT E1885001 20050914 E032E188500100001 BIB 11 29 E188500100002 TITLE Half-life of 228Pu and alpha decay of 228Np E188500100003 AUTHOR (K.Nishio, H.Ikezoe, S.Mitsuoka, K.Satou, C.J.Lin) E188500100004 INSTITUTE (2JPNJAE) Advanced Science Research Center E188500100005 (3CPRAEP) E188500100006 REFERENCE (J,PR/C,68,(6),064305,200312) E188500100007 INC-SOURCE Beam intensity is 40 to 50 particle-nA. E188500100008 INC-SPECT EN: Energy at the half depth of the target layer E188500100009 determined by calculating the energy loss of beam in E188500100010 the Al foil and target E188500100011 SAMPLE - Target enrichment is 98%. E188500100012 - Chemical-form of target is element. E188500100013 - Physical-form of target is solid. E188500100014 - Target-thickness is 0.39 mg/cm**2. E188500100015 - Backing is aluminium. E188500100016 - Backing-thickness: 1.2 micro-meter thick foil E188500100017 FACILITY (VDGT,2JPNJAE) E188500100018 DETECTOR (MAGSP) JAERI Recoil Mass Separator used to separate E188500100019 evaporation residue from the primary beams and E188500100020 other reaction products. E188500100021 (SI) Double-sided position-sensitive silicon detector E188500100022 (73x55 mm**2) to construct alpha-decay chain. E188500100023 Typical energy resolution of PSD for alpha E188500100024 particle from an 241Am source. E188500100025 ADD-RES E1885.005:78-PT-198(16-S-34,4N)94-PU-228 E188500100026 78-PT-198(16-S-34,3N+P)93-NP-228 E188500100027 78-PT-198(16-S-34,3N+A)92-U-225 E188500100028 Half life time E188500100029 See NRDF D1885 DATA,4 for detail. E188500100030 HISTORY (20040413C) Kc + On E188500100031 ENDBIB 29 0 E188500100032 NOCOMMON 0 0 E188500100033 ENDSUBENT 32 0 E188500199999 SUBENT E1885002 20050914 E032E188500200001 BIB 6 19 E188500200002 REL-REF (N,,R.B.Firestone,B,FIRESTONE,,1996) E188500200003 Kinetic energy of alpha particles and half-life of E188500200004 this literature are tabulated for other than 228Pu. E188500200005 (N,,A.N.Andreyev+,J,ZP/A,347,(3),225,199409) E188500200006 Kinetic energy of alpha particles and half-life of E188500200007 this literature are tabulated for 228Pu. E188500200008 REACTION (78-PT-198(16-S-34,4N)94-PU-228,,SIG) E188500200009 Upper limit of cross section is obtained when E188500200010 candidate of decay chain was not observed E188500200011 DECAY-DATA (94-PU-228,,A,7810.) E188500200012 (92-U-224,0.9MSEC,A,8466.) E188500200013 (90-TH-220,9.7MICROSEC,A,8790.) E188500200014 (88-RA-216,0.18MICROSEC,A,9349.) E188500200015 (86-RN-212,23.9MIN,A,6264.) E188500200016 ERR-ANALYS (ERR-S) Statistical uncertainty E188500200017 COMMENT T1/2 (228Pu) = 1.1+2.0-0.5 sec is determined by E188500200018 authors. E188500200019 STATUS (TABLE) Data (Fig.3, p064305-5 in reference) received E188500200020 by e-mail from K.Nishio (2004.04.13) E188500200021 ENDBIB 19 0 E188500200022 NOCOMMON 0 0 E188500200023 DATA 5 2 E188500200024 EN-CM DATA DATA-MAX +ERR-S -ERR-S E188500200025 MEV NB NB NB NB E188500200026 141.0 1.791 2.162 1.267 E188500200027 143.0 0.8834 E188500200028 ENDDATA 4 0 E188500200029 ENDSUBENT 28 0 E188500299999 SUBENT E1885003 20050914 E032E188500300001 BIB 6 19 E188500300002 REL-REF (N,,R.B.Firestone,B,FIRESTONE,,1996) E188500300003 Kinetic energy of alpha particles and half-life of E188500300004 this literature are tabulated for other than 228Np. E188500300005 (N,,S.A.Kreek+,J,PR/C,50,(5),2288,199411) E188500300006 Kinetic energy of alpha particles and half-life of E188500300007 this literature are tabulated for 228Np. E188500300008 REACTION (78-PT-198(16-S-34,3N+P)93-NP-228,,SIG) E188500300009 Upper limit of cross section is obtained when E188500300010 candidate of decay chain was not observed E188500300011 DECAY-DATA (93-NP-228,61.4SEC,A) E188500300012 (91-PA-224,0.79SEC,A,7488.,0.70) E188500300013 (89-AC-220,26.4MSEC,A,7855.,0.26) E188500300014 (87-FR-216,0.7MICROSEC,A,9005.) E188500300015 (85-AT-212-G,0.314SEC,A,7679.,0.82) E188500300016 (85-AT-212-G,0.314SEC,A,7045.,0.0045) E188500300017 ERR-ANALYS (ERR-S) Statistical uncertainty E188500300018 COMMENT T1/2 (228Np) = 56+45-17 sec is determined by authors. E188500300019 STATUS (TABLE) Data (Fig.3, p064305-5 in reference) received E188500300020 by e-mail from K.Nishio (2004.04.13) E188500300021 ENDBIB 19 0 E188500300022 NOCOMMON 0 0 E188500300023 DATA 5 2 E188500300024 EN-CM DATA DATA-MAX +ERR-S -ERR-S E188500300025 MEV NB NB NB NB E188500300026 141.0 1.234 E188500300027 143.0 6.083 3.937 2.721 E188500300028 ENDDATA 4 0 E188500300029 ENDSUBENT 28 0 E188500399999 SUBENT E1885004 20050914 E032E188500400001 BIB 6 13 E188500400002 REL-REF (N,,R.B.Firestone,B,FIRESTONE,,1996) E188500400003 Kinetic energy of alpha particles and half-life of E188500400004 this literature are tabulated. E188500400005 REACTION (78-PT-198(16-S-34,3N+A)92-U-225,,SIG) E188500400006 DECAY-DATA (92-U-225,95.MSEC,A,7879.,0.85) E188500400007 (92-U-225,95.MSEC,A,7821.,0.15) E188500400008 (90-TH-221,1.68MSEC,A,8472.,0.39) E188500400009 (90-TH-221,1.68MSEC,A,8146.,0.56) E188500400010 (86-RN-213,25.MSEC,A,8088.) E188500400011 ERR-ANALYS (ERR-S) Statistical uncertainty E188500400012 COMMENT T1/2 (225U) = 135+93-39 msec is determined by authors. E188500400013 STATUS (TABLE) Data (Fig.3, p064305-5 in reference) received E188500400014 by e-mail from K.Nishio (2004.04.13) E188500400015 ENDBIB 13 0 E188500400016 NOCOMMON 0 0 E188500400017 DATA 4 2 E188500400018 EN-CM DATA +ERR-S -ERR-S E188500400019 MEV NB NB NB E188500400020 141.0 5.537 4.153 2.769 E188500400021 143.0 2.731 3.296 1.931 E188500400022 ENDDATA 4 0 E188500400023 ENDSUBENT 22 0 E188500499999 NOSUBENT E1885005 20050914 E032E188500500001 ENDENTRY 5 0 E188599999999