/*===================================================================*/ /* NRDF D1841 Data No.126 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,126; 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,126; /* 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=AG(P,ALPHA)X; PHQ=ENGY-SPEC'169'; /* '169' Angular integrated energy spectrum */ ENR=NAT; THK-TGT=1.089MG/CM**2; INC-ENGY-LAB=18MEV; ANL=(STATIST-MODEL'170',PREEQUI-MODEL'171'); /* '170' Statistical evaporation model [J.M. Blatt and V.F. Weisskopf, Theoretical Physics (Wiley, New York 1952). */ /* '171' See [L. Milazzo-Colli and G.M. Braga-Marcazzan, Nucl. Phys. A210(1973)297] for detail. */ /* Analysis: - Integration of angular distribution /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,126; INC-ENGY-LAB=18MEV; EMT=ALPHA; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-CM-MIN ENGY-EMT-CM-MAX DSIGMA/DE DELTA-DSIGMA/DE'172' (MEV) (MEV) (MB/MEV) (MB/MEV) 9.0000 9.2000 0.5031 +-0.0157 9.2000 9.4000 0.5556 +-0.0189 9.4000 9.6000 0.6858 +-0.0193 9.6000 9.8000 0.9680 +-0.0233 9.8000 10.0000 1.0234 +-0.0237 10.0000 10.2000 1.3081 +-0.0267 10.2000 10.4000 1.4810 +-0.0286 10.4000 10.6000 1.7020 +-0.0306 10.6000 10.8000 1.9796 +-0.0330 10.8000 11.0000 2.2559 +-0.0355 11.0000 11.2000 2.5378 +-0.0377 11.2000 11.4000 2.6802 +-0.0385 11.4000 11.6000 2.9468 +-0.0404 11.6000 11.8000 3.2228 +-0.0421 11.8000 12.0000 3.3338 +-0.0426 12.0000 12.2000 3.4353 +-0.0434 12.2000 12.4000 3.4622 +-0.0436 12.4000 12.6000 3.3957 +-0.0437 12.6000 12.8000 3.3469 +-0.0436 12.8000 13.0000 3.2909 +-0.0428 13.0000 13.2000 3.1083 +-0.0412 13.2000 13.4000 2.9723 +-0.0403 13.4000 13.6000 2.7231 +-0.0386 13.6000 13.8000 2.5636 +-0.0377 13.8000 14.0000 2.3596 +-0.0362 14.0000 14.2000 2.2454 +-0.0353 14.2000 14.4000 1.9629 +-0.0331 14.4000 14.6000 1.8417 +-0.0321 14.6000 14.8000 1.6023 +-0.0301 14.8000 15.0000 1.5230 +-0.0294 15.0000 15.2000 1.3934 +-0.0279 15.2000 15.4000 1.2588 +-0.0266 15.4000 15.6000 1.1168 +-0.0252 15.6000 15.8000 1.0264 +-0.0241 15.8000 16.0000 0.8958 +-0.0227 16.0000 16.2000 0.8922 +-0.0226 16.2000 16.4000 0.8305 +-0.0218 16.4000 16.6000 0.7789 +-0.0212 16.6000 16.8000 0.7267 +-0.0205 16.8000 17.0000 0.6759 +-0.0198 17.0000 17.2000 0.6480 +-0.0196 17.2000 17.4000 0.5516 +-0.0178 17.4000 17.6000 0.5459 +-0.0178 17.6000 17.8000 0.4981 +-0.0170 17.8000 18.0000 0.4597 +-0.0163 18.0000 18.2000 0.4801 +-0.0167 18.2000 18.4000 0.4954 +-0.0168 18.4000 18.6000 0.4819 +-0.0166 18.6000 18.8000 0.6045 +-0.0192 18.8000 19.0000 0.5042 +-0.0169 19.0000 19.2000 0.4494 +-0.0160 19.2000 19.4000 0.3391 +-0.0139 19.4000 19.6000 0.2214 +-0.0112 19.6000 19.8000 0.2076 +-0.0108 19.8000 20.0000 0.3280 +-0.0139 20.0000 20.2000 0.2761 +-0.0124 20.2000 20.4000 0.3393 +-0.0139 20.4000 20.6000 0.2830 +-0.0128 20.6000 20.8000 0.0965 +-0.0074 20.8000 21.0000 0.0367 +-0.0045 21.0000 21.2000 0.0355 +-0.0045 21.2000 21.4000 0.0366 +-0.0046 21.4000 21.6000 0.0560 +-0.0057 21.6000 21.8000 0.0279 +-0.0039 21.8000 22.0000 0.0301 +-0.0041 22.0000 22.2000 0.0212 +-0.0035 22.2000 22.4000 0.0183 +-0.0032 22.4000 22.6000 0.0192 +-0.0033 22.6000 22.8000 0.0194 +-0.0033 22.8000 23.0000 0.0158 +-0.0029 23.0000 23.2000 0.0034 +-0.0013 \END; /*===================================================================*/ |