/*===================================================================*/ /* NRDF D0056 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D56; TITLE=/ Reactions on 209Bi induced by intermediate energy protons and the effect of direct reactions /; PURPOSE=/ To measure the cross sections and the nuclear recoil renges for the (p,3n), (p,4n) and (p,p3n) reactions, and to study whether the direct process occurs in reactions on such a heavy nucleus as 209Bi /; ATH=(K.MIYANO'1', M.SEKIKAWA'1', T.KANEKO'1', M.NOMOTO'1'); INST-ATH=(2JPNNII'1'); /* '1' Department of Physics */ REF=NP/A; VLP=230(1974)98; RCTS=(209BI(P,3*N)207PO, 209BI(P,4*N)206PO, 209BI(P,3*N,P)206BI); PHQS=EXC-FUNCT; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2005-09-27 : Converted, Sr + On. Converted to EXFOR E56 */ /* 2005-12-20 : Altered, At. Re-digitized */ ENR=99.99%; CHM=ELM; PHYS-FORM=SLD; THK-TGT=[1.5MG/CM**2; BAC=AL'2'; /* '2' Employed as catcher foil */ THK-BAC=XMG/CM**2'3'; /* '3' 15.5 micro-meter */ POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNINS; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=GE(LI)'4'; /* '4' To measure residual activities */ ANL=STATIST-MODEL'5'; /* '5' Equilibrium statistical model */ /* Experimental Method: - Activation (Bombarded for 1.5 hours with 52 MeV protons) - Stacked target irradiation (Pair of target foils and catcher foils were formed into a stacked-foil target.) - Energy degradation by foils (Using the energy loss and range graphs of Marion et al. [J.B.Marion et al., Nuclear reaction analysis (North-Holland, Amsterdam, 1968)]) RCT=209BI(P,3*N,P)206BI; PHQ=EXC-FUNCT; DET-PARTCL=GAMMA'15'; /* '15' Delayed gamma from 206Bi */ /* The contribution of the beta-decay of 206Po to these gamma-rays was subtracted by following decays of 206Bi. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; ENGY-GAMMA=(187KEV'16',802KEV'17',880KEV'18',1098KEV'19', 1719KEV'20'); /* '16' Delayed gamma from 206Bi */ /* '17' Delayed gamma from 206Bi */ /* '18' Delayed gamma from 206Bi */ /* '19' Delayed gamma from 206Bi */ /* '20' Delayed gamma from 206Bi */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB XSECTN DELTA-XSECTN (MEV) (B) (B) 3.070E+01 5.755E-02 +-1.134E-02 3.453E+01 1.478E-01 +-2.754E-02 3.700E+01 1.456E-01 +-1.802E-02 3.779E+01 1.726E-01 +-2.312E-02 4.026E+01 1.167E-01 +-1.099E-02 4.077E+01 1.204E-01 +-1.250E-02 4.345E+01 8.706E-02 +-9.038E-03 4.629E+01 8.855E-02 +-1.186E-02 4.692E+01 7.878E-02 +-8.178E-03 4.925E+01 8.492E-02 +-9.679E-03 5.011E+01 9.084E-02 +-7.646E-03 5.079E+01 8.606E-02 +-8.084E-03 5.157E+01 8.838E-02 +-8.303E-03 \END; /*===================================================================*/ |