/*===================================================================*/ /* NRDF D1522 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D1522; TITLE=/ Ground-state alpha-decay of N=128 isotones 216Ra, 217Ac and 218Th /; PURPOSE=/ To measure the alpha-decay properties of N=128 isotones having Z>=84 /; ATH=(T.NOMURA'1', K.HIRUTA'1', T.INAMURA'1', M.ODERA'1'); INST-ATH=(2JPNIPC'1'); /* '1' Cyclotron Laboratory */ REF=NP/A; VLP=217(1973)253; RCTS=(208PB(12C,3*N)217RA, 208PB(12C,4*N)216RA, 208PB(12C,5*N)215RA, 209BI(14N,5*N)218TH, 208PB(14N,5*N)217AC, 207PB(14N,4*N)217AC, 207PB(14N,X)213FR); PHQS=(EXC-FUNCT, ANGL-DSTRN); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2005-09-14 : Converted, Kc + Sr + On. Converted to EXFOR E1522 /* 2005-11-03 : Altered, Ot + Sr. Re-digitized */ /* 2016-03-23 : Altered, MA: Modified REACTION and DECAY-DATA in 007 */ ENR=>95%; CHM=ELM; PHYS-FORM=SLD; THK-TGT=[1.0MG/CM**2'2'; /* '2' Thinner targets used when good energy resolution desired */ BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNIPC; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=SBD'3'; /* '3' To detect alpha particle */ RCT=209BI(14N,5*N)218TH; PHQ=EXC-FUNCT; DET-PARTCL=ALPHA'10'; /* '10' Alpha from 218Th. E(alpha)=9.665+-0.010 MeV, T(1/2)=96+-7 ns */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; ENGY-EMT-LAB=9.67MEV'11'; HALF-LIFE=96NSEC'11'; /* '11' Alpha from 218Th (E(alpha)=9.665+-0.010 MeV, T(1/2)=96+-7 ns) */ CMPD=223TH; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM'12' EXC-ENGY'13' XSECTN DELTA-XSECTN (MEV) (MEV) (MB) (MB) 7.779E+01 4.301E+01 1.205E+00 +2.376E-01-2.571E-01 8.068E+01 4.590E+01 5.174E+00 +7.479E-01-7.871E-01 8.349E+01 4.871E+01 1.438E+01 +1.121E+00-1.237E+00 8.477E+01 4.999E+01 1.972E+01 +1.536E+00-1.966E+00 8.677E+01 5.199E+01 2.129E+01 +3.077E+00-1.832E+00 8.951E+01 5.473E+01 1.864E+01 +2.376E+00-8.201E-01 \END; /*===================================================================*/ |