/*===================================================================*/ /* NRDF D1841 Data No.118 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,118; 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,118; /* 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=90ZR(P,ALPHA)X; PHQ=ENGY-SPEC'137'; /* '137' Angular integrated energy spectrum */ ENR=97.65%; THK-TGT=0.492MG/CM**2; INC-ENGY-LAB=18MEV; ANL=(STATIST-MODEL'138',PREEQUI-MODEL'139'); /* '138' Statistical evaporation model [J.M. Blatt and V.F. Weisskopf, Theoretical Physics (Wiley, New York 1952). */ /* '139' See [L. Milazzo-Colli and G.M. Braga-Marcazzan, Nucl. Phys. A210(1973)297] for detail. */ /* Analysis: - Integration of angular distribution /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,118; INC-ENGY-LAB=18MEV; EMT=ALPHA; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-CM-MIN ENGY-EMT-CM-MAX DSIGMA/DE DELTA-DSIGMA/DE'140' (MEV) (MEV) (MB/MEV) (MB/MEV) 9.0000 9.2000 1.3349 +-0.0339 9.2000 9.4000 1.5134 +-0.0327 9.4000 9.6000 1.7581 +-0.0334 9.6000 9.8000 2.0097 +-0.0377 9.8000 10.0000 2.1716 +-0.0424 10.0000 10.2000 2.4488 +-0.0411 10.2000 10.4000 2.5023 +-0.0379 10.4000 10.6000 2.5622 +-0.0379 10.6000 10.8000 2.6062 +-0.0394 10.8000 11.0000 2.7536 +-0.0414 11.0000 11.2000 2.7248 +-0.0391 11.2000 11.4000 2.6416 +-0.0385 11.4000 11.6000 2.5408 +-0.0380 11.6000 11.8000 2.3441 +-0.0363 11.8000 12.0000 2.1080 +-0.0345 12.0000 12.2000 1.8897 +-0.0326 12.2000 12.4000 1.8759 +-0.0324 12.4000 12.6000 1.9554 +-0.0334 12.6000 12.8000 1.7703 +-0.0314 12.8000 13.0000 1.5706 +-0.0296 13.0000 13.2000 1.5218 +-0.0291 13.2000 13.4000 1.4443 +-0.0284 13.4000 13.6000 1.0640 +-0.0243 13.6000 13.8000 1.1107 +-0.0251 13.8000 14.0000 0.9850 +-0.0235 14.0000 14.2000 1.0507 +-0.0243 14.2000 14.4000 0.8721 +-0.0221 14.4000 14.6000 0.3457 +-0.0138 14.6000 14.8000 0.2542 +-0.0119 14.8000 15.0000 0.2546 +-0.0120 15.0000 15.2000 0.3790 +-0.0144 15.2000 15.4000 1.0871 +-0.0249 15.4000 15.6000 0.9999 +-0.0238 15.6000 15.8000 0.1370 +-0.0084 15.8000 16.0000 0.2184 +-0.0111 16.0000 16.2000 0.2039 +-0.0107 16.2000 16.4000 0.3689 +-0.0145 16.4000 16.6000 0.0355 +-0.0043 16.6000 16.8000 0.0249 +-0.0038 16.8000 17.0000 0.0219 +-0.0034 17.0000 17.2000 0.0258 +-0.0038 17.2000 17.4000 0.0160 +-0.0030 17.4000 17.6000 0.0150 +-0.0029 17.6000 17.8000 0.0122 +-0.0026 17.8000 18.0000 0.0104 +-0.0024 18.0000 18.2000 0.0105 +-0.0023 18.2000 18.4000 0.0099 +-0.0023 18.4000 18.6000 0.0079 +-0.0021 18.6000 18.8000 0.0055 +-0.0018 18.8000 19.0000 0.0063 +-0.0019 19.0000 19.2000 0.0077 +-0.0021 19.2000 19.4000 0.0084 +-0.0020 19.4000 19.6000 0.0165 +-0.0031 19.6000 19.8000 0.0069 +-0.0019 19.8000 20.0000 0.0041 +-0.0014 20.0000 20.2000 0.0054 +-0.0018 20.2000 20.4000 0.0055 +-0.0018 20.4000 20.6000 0.0030 +-0.0012 20.6000 20.8000 0.0021 +-0.0010 20.8000 21.0000 0.0036 +-0.0013 21.0000 21.2000 0.0013 +-0.0010 21.2000 21.4000 0.0020 +-0.0011 21.4000 21.6000 0.0011 +-0.0008 \END; /*===================================================================*/ |