/*===================================================================*/ /* NRDF D1640 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1640; TITLE=/ Anomaly in the 15N, 16O, 19F + 54,56Fe fusion cross sections around the Coulomb barrier energy /; PURPOSE=/ The determination of fusion corss sections /; ATH=(H.FUNAKI'1', E.ARAI'1'); INST-ATH=(2JPNTIT'1'); REF=NP/A; VLP=556(1993)307; RCTS=(54FE(19F,FUSN), 54FE(15N,FUSN), 56FE(15N,FUSN), 54FE(16O,FUSN), 56FE(16O,FUSN), 56FE(19F,FUSN)); PHQS=(ANGL-DSTRN'2', EXC-FUNCT'3'); /* '2' Angular distribution of evaporation residues */ /* '3' Excitation function of the fusion reaction */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2003-09-12 : Converted, Km + Am + On. Data converted to EXFOR E1640 */ /* 2007-05-10 : Altered, On. MeV/u -> MeV/A in free text fields */ /* Related references - E.Arai et al., NIM/B, 64(1992)296. (Detailed description of the system is given) RTY=FUSN; CHM=X'4'; /* '4' Fe2O3 */ PHYS-FORM=SLD; BAC=C; THK-BAC=0.020MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=LINAC'5'; /* '5' Heavy Ion Linac System */ INST-ACC=2JPNTIT; POL-PRJ=0%; DET-PARTCL=X'6'; /* '6' evaporation residues */ COINC=NO; ANT-COINC=NO; DET-SYS=(CNTR-TLSCP'7',SBD'8',TOF); /* '7' The t.o.f. counter telescope has two timing detectors which define a flight path of 50 cm. */ /* '8' A 100 mm**2 surface-barrier detector (SBD) provides the kinetic energy (E) signal of particles. */ ERS-DET=XKEV'9'; /* '9' The mass separation of the spectrometer has been mainly determined by the energy resolution to be delta A = 4 in the A-region around 70. */ CALB-DET=/ The beam energy analyzing magnet has been calibrated by measuring the sharp peak observed at 6.42 MeV in the 1H(19F,alpha gamma)16O reaction. /; MONTR-RCT=/ , As a beam monitor a surface-barrier detector (SBD) was installed at 165 degrees with respect to the beam direction. /; /* 2006-11-22 : Altered, Mh. Re-digitized */ RCT=54FE(15N,FUSN); PHQ=EXC-FUNCT'18'; /* '18' Excitation function of the fusion reaction */ ENR=97.21%; THK-TGT=0.110MG/CM**2'19'; /* '19' The thickness was determined by the Rutherford backscattering technique. */ INC-ENGY-LAB=2[3MEV/A'20'; /* '20' The final energy of beams has been raised or lowered by the second linac in the range between 2 and 3 MeV/u. */ ANL=CC'21'; /* '21' the one-dimensional barrier-penetration model [C.H.Dasso et al. Comput.Phys.Commun.46(1987)187] */ /* Analysis: - Integration of angular distribution (Integration of differential cross sections (angular distributions of evaporation residue)) /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM (MEV) (MB) (MB) 2.482E+01 2.818E+01 +-6.670E+00 2.601E+01 8.445E+01 +-1.176E+01 2.661E+01 1.078E+02 +-6.528E+00 2.751E+01 1.801E+02 +-NEGLIGIBLE 2.771E+01 1.870E+02 +-NEGLIGIBLE 2.841E+01 3.074E+02 +-3.444E+01 2.954E+01 2.973E+02 +-5.003E+01 3.270E+01 6.508E+02 +-7.294E+01 3.436E+01 7.739E+02 +-7.339E+01 3.568E+01 6.504E+02 +-4.128E+01 \END; /*===================================================================*/ |