/*===================================================================*/ /* NRDF D1841 Data No.43 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,43; D#=D1841; TITLE=/Shell and odd-even effects on alpha-particle energy spectra from the (p,alpha) reaction on nuclei around neutron number 50/; PURPOSE=/To clarify the shell and odd-even effects on the (p,alpha) reaction/; ATH=(I.KUMABE'1', Y.MITO'1', M.HYAKUTAKE'1', N.KOORI'1', H.SAKAI'1', Y.WATANABE'1'); INST-ATH=(2JPNKYU'1'); /* '1' Department of Nuclear Engineering */ REF=PR/C; VLP=35(1987)467; RCTS=(92MO(P,ALPHA)X, 94MO(P,ALPHA)X, 93NB(P,ALPHA)X, 106PD(P,ALPHA)X, AG(P,ALPHA)X, 90ZR(P,ALPHA)X, 96MO(P,ALPHA)X, 98MO(P,ALPHA)X, 100MO(P,ALPHA)X); PHQS=(ENGY-SPEC, ENGY-SPEC'2'); /* '2' Angular integrated energy spectrum */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,43; /* 2003-11-11 : Converted, Data converted from EXFOR E1303. Numerical data are exchanged with author's one. Many data tables are added. */ CHM=ELM; PHYS-FORM=SLD; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=VDGT; INST-ACC=2JPNKYU; BEAM-INTNSTY=20[300NA'3'; /* '3' Smaller beam currents were used at forward angles in order to reduce the dead time for the detector system. */ POL-PRJ=0%; DET-PARTCL=ALPHA; COINC=NO; ANT-COINC=NO; DET-SYS=SBD'4'; /* '4' To analyze and detect alpha-particle. Used as Delta E-E counter. Silicon surface barrier detectors having thickness of 15 and 300 micro-meter. The energy scale for alpha-particles was calibrated using the position of the alpha-particle peaks leading to the ground states of the residual nucleus for high energy calibration points. Low energy calibration points were obtained using the positions of the alpha-particle peaks leading to low lying states of 13N in the 16O(p,alpha)13N reaction on the oxygen impurities on the targets. */ /* Experimental Method: - Particle identification by 'E/Delta E' measurement (To identify alpha-particles from other reaction products) RCT=93NB(P,ALPHA)X; PHQ=ENGY-SPEC'53'; /* '53' Angular integrated energy spectrum */ ENR=100%; THK-TGT=2.576MG/CM**2; INC-ENGY-LAB=15MEV; ANL=(STATIST-MODEL'54',PREEQUI-MODEL'55'); /* '54' Statistical evaporation model [J.M. Blatt and V.F. Weisskopf, Theoretical Physics (Wiley, New York 1952). */ /* '55' See [L. Milazzo-Colli and G.M. Braga-Marcazzan, Nucl. Phys. A210(1973)297] for detail. */ /* Analysis: - Integration of angular distribution /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,43; INC-ENGY-LAB=15MEV; EMT=ALPHA; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-CM-MIN ENGY-EMT-CM-MAX DSIGMA/DE DELTA-DSIGMA/DE'56' (MEV) (MEV) (MB/MEV) (MB/MEV) 8.0000 8.2000 0.9931 +-0.0194 8.2000 8.4000 0.9461 +-0.0191 8.4000 8.6000 0.9709 +-0.0195 8.6000 8.8000 1.1062 +-0.0205 8.8000 9.0000 1.2840 +-0.0222 9.0000 9.2000 1.4307 +-0.0230 9.2000 9.4000 1.5665 +-0.0236 9.4000 9.6000 1.7544 +-0.0245 9.6000 9.8000 1.9835 +-0.0260 9.8000 10.0000 2.2158 +-0.0273 10.0000 10.2000 2.3573 +-0.0282 10.2000 10.4000 2.4685 +-0.0284 10.4000 10.6000 2.5388 +-0.0290 10.6000 10.8000 2.6526 +-0.0296 10.8000 11.0000 2.6537 +-0.0296 11.0000 11.2000 2.5910 +-0.0291 11.2000 11.4000 2.5410 +-0.0287 11.4000 11.6000 2.3889 +-0.0280 11.6000 11.8000 2.3035 +-0.0276 11.8000 12.0000 2.1792 +-0.0269 12.0000 12.2000 2.0543 +-0.0261 12.2000 12.4000 1.8821 +-0.0249 12.4000 12.6000 1.7042 +-0.0236 12.6000 12.8000 1.5910 +-0.0231 12.8000 13.0000 1.4024 +-0.0218 13.0000 13.2000 1.2632 +-0.0209 13.2000 13.4000 1.0900 +-0.0191 13.4000 13.6000 0.9532 +-0.0179 13.6000 13.8000 0.8776 +-0.0172 13.8000 14.0000 0.7802 +-0.0163 14.0000 14.2000 0.6253 +-0.0145 14.2000 14.4000 0.4680 +-0.0125 14.4000 14.6000 0.4013 +-0.0118 14.6000 14.8000 0.3891 +-0.0118 14.8000 15.0000 0.3676 +-0.0114 15.0000 15.2000 0.3159 +-0.0108 15.2000 15.4000 0.3237 +-0.0109 15.4000 15.6000 0.4126 +-0.0128 15.6000 15.8000 0.6849 +-0.0160 15.8000 16.0000 1.0936 +-0.0205 16.0000 16.2000 0.9284 +-0.0186 16.2000 16.4000 0.5753 +-0.0149 16.4000 16.6000 0.3180 +-0.0113 16.6000 16.8000 0.2616 +-0.0102 16.8000 17.0000 0.2646 +-0.0103 17.0000 17.2000 0.1975 +-0.0089 17.2000 17.4000 0.2395 +-0.0098 17.4000 17.6000 0.3501 +-0.0114 17.6000 17.8000 0.3726 +-0.0121 17.8000 18.0000 0.2794 +-0.0107 18.0000 18.2000 0.2277 +-0.0093 18.2000 18.4000 0.0531 +-0.0047 18.4000 18.6000 0.0289 +-0.0036 18.6000 18.8000 0.0231 +-0.0033 18.8000 19.0000 0.0155 +-0.0026 19.0000 19.2000 0.0155 +-0.0028 19.2000 19.4000 0.0148 +-0.0026 19.4000 19.6000 0.0258 +-0.0036 19.6000 19.8000 0.0315 +-0.0039 19.8000 20.0000 0.0660 +-0.0053 20.0000 20.2000 0.1776 +-0.0085 20.2000 20.4000 0.1900 +-0.0089 20.4000 20.6000 0.0340 +-0.0039 20.6000 20.8000 0.0075 +-0.0020 20.8000 21.0000 0.0040 +-0.0014 21.0000 21.2000 0.0055 +-0.0017 21.2000 21.4000 0.0020 +-0.0010 21.4000 21.6000 0.0041 +-0.0014 21.6000 21.8000 0.0040 +-0.0014 21.8000 22.0000 0.0022 +-0.0010 22.0000 22.2000 0.0032 +-0.0012 22.2000 22.4000 0.0028 +-0.0012 22.4000 22.6000 0.0029 +-0.0011 22.6000 22.8000 0.0027 +-0.0009 22.8000 23.0000 0.0021 +-0.0010 23.0000 23.2000 0.0000 +-0.0000 \END; /*===================================================================*/ |