/*===================================================================*/ /* NRDF D1841 Data No.42 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,42; 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,42; /* 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=94MO(P,ALPHA)X; PHQ=ENGY-SPEC'49'; /* '49' Angular integrated energy spectrum */ ENR=93.90%; THK-TGT=0.588MG/CM**2; INC-ENGY-LAB=15MEV; ANL=(STATIST-MODEL'50',PREEQUI-MODEL'51'); /* '50' Statistical evaporation model [J.M. Blatt and V.F. Weisskopf, Theoretical Physics (Wiley, New York 1952). */ /* '51' See [L. Milazzo-Colli and G.M. Braga-Marcazzan, Nucl. Phys. A210(1973)297] for detail. */ /* Analysis: - Integration of angular distribution /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,42; INC-ENGY-LAB=15MEV; EMT=ALPHA; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT-CM-MIN ENGY-EMT-CM-MAX DSIGMA/DE DELTA-DSIGMA/DE'52' (MEV) (MEV) (MB/MEV) (MB/MEV) 9.0000 9.2000 1.0982 +-0.0221 9.2000 9.4000 1.3144 +-0.0241 9.4000 9.6000 1.5042 +-0.0259 9.6000 9.8000 1.7323 +-0.0275 9.8000 10.0000 1.9290 +-0.0304 10.0000 10.2000 2.2522 +-0.0328 10.2000 10.4000 2.4601 +-0.0332 10.4000 10.6000 2.6312 +-0.0342 10.6000 10.8000 2.9052 +-0.0357 10.8000 11.0000 2.9247 +-0.0356 11.0000 11.2000 2.9507 +-0.0361 11.2000 11.4000 2.9069 +-0.0358 11.4000 11.6000 2.8895 +-0.0356 11.6000 11.8000 2.7481 +-0.0348 11.8000 12.0000 2.6826 +-0.0343 12.0000 12.2000 2.4700 +-0.0329 12.2000 12.4000 2.2640 +-0.0316 12.4000 12.6000 2.1141 +-0.0306 12.6000 12.8000 1.9418 +-0.0292 12.8000 13.0000 1.8933 +-0.0288 13.0000 13.2000 1.7401 +-0.0273 13.2000 13.4000 1.4005 +-0.0248 13.4000 13.6000 0.8099 +-0.0187 13.6000 13.8000 0.5920 +-0.0160 13.8000 14.0000 0.5843 +-0.0160 14.0000 14.2000 0.6123 +-0.0164 14.2000 14.4000 0.4891 +-0.0147 14.4000 14.6000 0.3322 +-0.0121 14.6000 14.8000 0.3816 +-0.0130 14.8000 15.0000 0.4364 +-0.0139 15.0000 15.2000 0.3189 +-0.0118 15.2000 15.4000 0.6626 +-0.0169 15.4000 15.6000 1.1560 +-0.0223 15.6000 15.8000 1.1479 +-0.0221 15.8000 16.0000 0.5051 +-0.0145 16.0000 16.2000 0.2161 +-0.0096 16.2000 16.4000 0.0450 +-0.0044 16.4000 16.6000 0.0431 +-0.0042 16.6000 16.8000 0.0747 +-0.0057 16.8000 17.0000 0.2462 +-0.0103 17.0000 17.2000 1.2664 +-0.0230 17.2000 17.4000 0.8334 +-0.0187 17.4000 17.6000 0.0619 +-0.0049 17.6000 17.8000 0.0312 +-0.0036 17.8000 18.0000 0.0189 +-0.0027 18.0000 18.2000 0.0058 +-0.0016 18.2000 18.4000 0.0076 +-0.0017 18.4000 18.6000 0.0074 +-0.0017 18.6000 18.8000 0.0082 +-0.0019 18.8000 19.0000 0.0079 +-0.0018 19.0000 19.2000 0.0079 +-0.0018 19.2000 19.4000 0.0078 +-0.0017 19.4000 19.6000 0.0051 +-0.0016 19.6000 19.8000 0.0035 +-0.0012 19.8000 20.0000 0.0014 +-0.0008 20.0000 20.2000 0.0008 +-0.0006 20.2000 20.4000 0.0000 +-0.0000 20.4000 20.6000 0.0000 +-0.0000 20.6000 20.8000 0.0000 +-0.0000 20.8000 21.0000 0.0000 +-0.0000 21.0000 21.2000 0.0004 +-0.0004 21.2000 21.4000 0.0006 +-0.0006 21.4000 21.6000 0.0011 +-0.0008 \END; /*===================================================================*/ |