/*===================================================================*/ /* NRDF D1662 Data No.17 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,17; D#=D1662; TITLE=/Nuclear fission of neutron-deficient protactinium nuclides/; PURPOSE=/To study the degree of the contribution of asymmetric massdivision in the low energy fission of neutron-deficient lightactinides by observing yields of fission products in detail/; ATH=(I.NISHINAKA'1', Y.NAGAME'1', K.TSUKADA'1', H.IKEZOE'1', K.SUEKI'2', H.NAKAHARA'2', M.TANIKAWA'3', T.OHTSUKI'4'); INST-ATH=(2JPNJAE'1', 2JPNTMU'2', 2JPNTOK'3', 2JPNTOH'4'); /* '2' Faculty of Science */ /* '3' School of Science */ /* '4' Laboratory of Nuclear Science */ REF=PR/C; VLP=56(1997)891; RCTS=209BI(16O,FISSN), 209BI(18O,FISSN); PHQS=(DATA'5', DATA'6', A-DSTRN'7', A-DSTRN'8', A-DSTRN'9', A-DSTRN'10', A-DSTRN'11'); /* '5' velocity distributions of fission fragments */ /* '6' kinetic energy distribution */ /* '7' Secondary (post neutron emission) fragment mass distribution /* '8' Primary (pre neutron emission) fragment mass distribution */ /* '9' Cummulative mass yields of secondary fragments */ /* '10' Independent mass yields of secondary fragments */ /* '11' Independent element yields of secondary fragments */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,17; /* 2003-08-19 : Converted, Data converted to EXFOR E1662 */ RTY=FISSN; ENR=X%; CHM=ELM; PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; DET-PARTCL=X'12'; /* '12' Fission Fragments */ COINC=NO; ANT-COINC=NO; RCT=209BI(16O,FISSN); PHQ=A-DSTRN'105'; /* '105' Independent mass yields of secondary fragments */ THK-TGT=[1MG/CM**2; BAC=AL; THK-BAC=5.4MG/CM**2; ACC=CYC; INST-ACC=2JPNINS; INC-ENGY-LAB=98MEV; BEAM-INTNSTY=30[120PNA; /* Experimental Method: - Gamma ray spectrometry - Chemical separation (for Sb, I and Cs) - Energy degradation by foils (115 MeV 16O beams are degraded to 98 MeV by alumium energy degrader.) /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,17; INC-ENGY-LAB=98MEV; EMT=X'106'; /* '106' Fission fragments */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; Z A FLAG'107' XSECTN DELTA-XSECTN'108' (NODIM) (NODIM) (NODIM) (MB) (MB) 35 82 X 1.9 +-0.06 36 85 1. 4.41 +-0.07 38 91 X 13 +-0.2 40 97 X 13.2 +-0.1 41 96 X 5.08 +-0.11 44 106 X 24.4 +-1.6 45 105 X 10.5 +-0.4 46 112 X 22.3 +-0.2 47 111 X 52.1 +-0.9 48 115 X 10.1 +-0.2 51 120 X 1.79 +-0.05 51 122 X 12.7 +-0.2 51 124 X 9.79 +-0.14 51 126 X 1.38 +-0.02 51 127 X 0.821 +-0.047 53 124 X 0.596 +-0.239 53 126 X 6.04 +-0.09 53 130 X 3.02 +-0.07 53 131 X 1.99 +-0.04 55 134 X 4.38 +-0.17 55 136 X 0.837 +-0.029 57 140 X 1.2 +-0.049 \END; /*===================================================================*/ |