ENTRY 20215 19831121 00002021500000001 SUBENT 20215001 19831121 00002021500100001 BIB 15 42 2021500100002 INSTITUTE (2NEDUTR) 2021500100003 REFERENCE (J,NP/A,102,226,6709) 2021500100004 AUTHOR (H.GRUPPELAAR, P.SPILLING) 2021500100005 TITLE - THERMAL NEUTRON CAPTURE GAMMA-RAYS FROM NATURAL 2021500100006 CALCIUM - 2021500100007 FACILITY .HIGH FLUX REACTOR AT PETTEN. 2021500100008 INC-SOURCE (REAC ) TARGET PLACED IN A HORIZONTAL RADIAL BEAM 2021500100009 OF THE REACTOR. 2021500100010 .THE NEUTRON FILTER, CONSISTING OF QUARTZ 2021500100011 AND BISMUTH SINGLE CRYSTALS, WAS COOLED TO 2021500100012 77 KELVIN BY LIQUID NITROGEN. 2021500100013 NEUTRON FLUX = 1.E+7/CM**2/SEC. 2021500100014 SAMPLE .COMPOSITION 3 GRAMM CA-O AND 2.5 GRAMM CA40-O 2021500100015 (99.97 PERCENT CA-40 ENRICHMENT). 2021500100016 DETECTOR (GELI ) 5 CM**3 GE(LI) DETECTOR. 2021500100017 MONITOR .THE INTENSITIES ARE NORMALIZED SUCH THAT THE 2021500100018 SUM OF THE INTENSITIES OF THE 1943 AND 2010 2021500100019 KEV GAMMA-RAY LINES IN CA-41 IS 100. 2021500100020 .THE EFFICIENCY CURVES FOR FULL-ENERGY, 2021500100021 SINGLE-ESCAPE AND PAIR PEAKS WERE OBTAINED 2021500100022 WITH SOURCES OF KNOWN INTENSITIES AND WITH 2021500100023 GAMMA-RAYS FROM CL-35(N,GAMMA) AND 2021500100024 S-32(N,GAMMA) REACTIONS, DETAILS IN 2021500100025 NUCL.PHYS.,A102(1967)226. 2021500100026 .USING THE THERMAL-NEUTRON CAPTURE CROSS- 2021500100027 SECTION FOR NATURAL CA (= 0.44 BARN, BNL-325 2021500100028 (1958)6 AND THE RELATIVE GAMMA-INTENSITIES 2021500100029 THE (N,GAMMA) CROSS-SECTIONS FOR CA-40, 2021500100030 CA-42, CA-43, CA-44 COULD BE DERIVED. 2021500100031 PART-DET (G ) GAMMAS 2021500100032 COMMENT .DECAY SCHEME OF CA-41 AND A PARTIAL DECAY SCHEME OF 2021500100033 CA-45 CONSTRUCTED, DETAILS GIVEN IN NUCL.PHYS., 2021500100034 A102(1967)226. 2021500100035 .THE Q-VALUES FOR THE REACTIONS CA-40(N,GAMMA)CA-41 2021500100036 AND CA-44(N,GAMMA)CA-45 WERE DETERMINED AS 2021500100037 Q = 8363.4 +- 1.0 AND Q = 7418.1 +- 3.0 KEV, 2021500100038 RESPECTIVELY. 2021500100039 STATUS .DATA FROM NUCL.PHYS.,A102(1967)226. 2021500100040 HISTORY (721003C) 2021500100041 (740521E) 2021500100042 CORRECTION .GAMMA-RAYS CORRECTED FOR RECOIL LOSSES. 2021500100043 ERR-ANALYS .NO DETAILS GIVEN. 2021500100044 ENDBIB 42 0 2021500100045 COMMON 1 3 2021500100046 EN-DUMMY 2021500100047 MEV 2021500100048 2.5300E-08 2021500100049 ENDCOMMON 3 0 2021500100050 ENDSUBENT 49 0 2021500199999 SUBENT 20215002 19831121 00002021500200001 BIB 2 3 2021500200002 REACTION (20-CA-0(N,G),,SPC,,SPA) 2021500200003 HISTORY (721003C) 2021500200004 (740521E) 2021500200005 ENDBIB 3 0 2021500200006 NOCOMMON 0 0 2021500200007 DATA 3 1 2021500200008 E E-ERR DATA 2021500200009 MEV MEV GAM/100N 2021500200010 5.1445E+00 5.0000E-03 2.0000E-01 2021500200011 ENDDATA 3 0 2021500200012 ENDSUBENT 11 0 2021500299999 SUBENT 20215003 19831121 00002021500300001 BIB 3 6 2021500300002 REACTION (20-CA-40(N,G)20-CA-41,,SIG,,SPA) 2021500300003 ANALYSIS .USING THE THERMAL-NEUTRON CAPTURE CROSS-SECTION FOR 2021500300004 NATURAL CA (0.44 BARN, BNL-325(1958)6) AND THE 2021500300005 RELATIVE INTENSITIES OF THE OBSERVED GAMMA-LINES. 2021500300006 HISTORY (721003C) 2021500300007 (740521E) 2021500300008 ENDBIB 6 0 2021500300009 NOCOMMON 0 0 2021500300010 DATA 1 1 2021500300011 DATA 2021500300012 B 2021500300013 4.3000E-01 2021500300014 ENDDATA 3 0 2021500300015 ENDSUBENT 14 0 2021500399999 SUBENT 20215004 19831121 00002021500400001 BIB 2 3 2021500400002 REACTION (20-CA-40(N,G)20-CA-41,,SPC,,SPA) 2021500400003 HISTORY (721003C) 2021500400004 (740521E) 2021500400005 ENDBIB 3 0 2021500400006 NOCOMMON 0 0 2021500400007 DATA 3 37 2021500400008 E E-ERR DATA 2021500400009 MEV MEV GAM/100N 2021500400010 4.4450E-01 4.0000E-04 5.0000E-01 2021500400011 5.1970E-01 3.0000E-04 1.3400E+01 2021500400012 6.6020E-01 6.0000E-04 8.0000E-01 2021500400013 7.2730E-01 4.0000E-04 2.1000E+00 2021500400014 9.4300E-01 1.0000E-03 5.0000E-01 2021500400015 1.0401E+00 1.5000E-03 3.0000E-01 2021500400016 1.1509E+00 1.5000E-03 1.1000E+00 2021500400017 1.3896E+00 1.0000E-03 2.2000E+00 2021500400018 1.4821E+00 1.5000E-03 1.3000E+00 2021500400019 1.6712E+00 1.0000E-03 1.3000E+00 2021500400020 1.9427E+00 3.0000E-04 8.8500E+01 2021500400021 2.0018E+00 4.0000E-04 1.8900E+01 2021500400022 2.0101E+00 5.0000E-04 1.1500E+01 2021500400023 2.2903E+00 8.0000E-04 1.6000E+00 2021500400024 2.6066E+00 5.0000E-04 1.6000E+00 2021500400025 2.6604E+00 2.0000E-03 1.3000E+00 2021500400026 2.7689E+00 2.0000E-03 2.8000E+00 2021500400027 2.8112E+00 1.5000E-03 3.8000E+00 2021500400028 3.0674E+00 2.0000E-03 7.0000E-01 2021500400029 3.0831E+00 2.0000E-03 7.0000E-01 2021500400030 3.3511E+00 1.5000E-03 4.0000E-01 2021500400031 3.5854E+00 6.0000E-04 1.6000E+00 2021500400032 3.6103E+00 4.0000E-04 6.0000E+00 2021500400033 3.7600E+00 8.0000E-04 3.1000E+00 2021500400034 3.9475E+00 3.0000E-03 4.0000E-01 2021500400035 4.4194E+00 1.0000E-03 1.7100E+01 2021500400036 4.5180E+00 3.0000E-03 7.0000E-01 2021500400037 4.5600E+00 3.0000E-03 1.0000E-01 2021500400038 4.7496E+00 1.5000E-03 2.6000E+00 2021500400039 4.8390E+00 3.0000E-03 5.0000E-01 2021500400040 4.9447E+00 3.0000E-03 8.0000E-01 2021500400041 4.9627E+00 2.0000E-03 1.8000E+00 2021500400042 5.3141E+00 3.0000E-03 3.0000E-01 2021500400043 5.6929E+00 2.0000E-03 1.1000E+00 2021500400044 5.9007E+00 1.0000E-03 7.0000E+00 2021500400045 6.3525E+00 3.0000E-03 2.0000E-01 2021500400046 6.4212E+00 1.0000E-03 4.3500E+01 2021500400047 ENDDATA 39 0 2021500400048 ENDSUBENT 47 0 2021500499999 SUBENT 20215005 19831121 00002021500500001 BIB 3 6 2021500500002 REACTION (20-CA-42(N,G)20-CA-43,,SIG,,SPA) 2021500500003 ANALYSIS .USING THE THERMAL-NEUTRON CAPTURE CROSS-SECTION FOR 2021500500004 NATURAL CA (0.44 BARN, BNL-325(1958)6) AND THE 2021500500005 RELATIVE INTENSITIES OF THE OBSERVED GAMMA-LINES. 2021500500006 HISTORY (721003C) 2021500500007 (740521E) 2021500500008 ENDBIB 6 0 2021500500009 NOCOMMON 0 0 2021500500010 DATA 1 1 2021500500011 DATA 2021500500012 B 2021500500013 1.0000E-01 2021500500014 ENDDATA 3 0 2021500500015 ENDSUBENT 14 0 2021500599999 SUBENT 20215006 19831121 00002021500600001 BIB 2 3 2021500600002 REACTION (20-CA-42(N,G)20-CA-43,,SPC,,SPA) 2021500600003 HISTORY (721003C) 2021500600004 (740521E) 2021500600005 ENDBIB 3 0 2021500600006 NOCOMMON 0 0 2021500600007 DATA 3 1 2021500600008 E E-ERR DATA 2021500600009 MEV MEV GAM/100N 2021500600010 3.7320E-01 5.0000E-04 2.0000E-01 2021500600011 ENDDATA 3 0 2021500600012 ENDSUBENT 11 0 2021500699999 SUBENT 20215007 19831121 00002021500700001 BIB 3 6 2021500700002 REACTION (20-CA-43(N,G)20-CA-44,,SIG,,SPA) 2021500700003 ANALYSIS .USING THE THERMAL-NEUTRON CAPTURE CROSS-SECTION FOR 2021500700004 NATURAL CA (0.44 BARN, BNL-325(1958)6) AND THE 2021500700005 RELATIVE INTENSITIES OF THE OBSERVED GAMMA-LINES. 2021500700006 HISTORY (721003C) 2021500700007 (740521E) 2021500700008 ENDBIB 6 0 2021500700009 NOCOMMON 0 0 2021500700010 DATA 1 1 2021500700011 DATA 2021500700012 B 2021500700013 5.1000E+00 2021500700014 ENDDATA 3 0 2021500700015 ENDSUBENT 14 0 2021500799999 SUBENT 20215008 19831121 00002021500800001 BIB 3 5 2021500800002 REACTION (20-CA-43(N,G)20-CA-44,,SPC,,SPA) 2021500800003 FLAG (1.) INTERPRETATION UNCERTAIN, BECAUSE PEAK 2021500800004 OBSCURED BY A PEAK CORRESPONDING TO A LINE IN CA-41. 2021500800005 HISTORY (721003C) 2021500800006 (740521E) 2021500800007 ENDBIB 5 0 2021500800008 NOCOMMON 0 0 2021500800009 DATA 4 2 2021500800010 E E-ERR DATA FLAG 2021500800011 MEV MEV GAM/100N NO-DIM 2021500800012 1.1263E+00 1.5000E-03 6.0000E-01 2021500800013 1.1564E+00 5.0000E-04 1.8000E+00 1.0000E+00 2021500800014 ENDDATA 4 0 2021500800015 ENDSUBENT 14 0 2021500899999 SUBENT 20215009 19831121 00002021500900001 BIB 3 6 2021500900002 REACTION (20-CA-44(N,G)20-CA-45,,SIG,,SPA) 2021500900003 ANALYSIS .USING THE THERMAL-NEUTRON CAPTURE CROSS-SECTION FOR 2021500900004 NATURAL CA (0.44 BARN, BNL-325(1958)6) AND THE 2021500900005 RELATIVE INTENSITIES OF THE OBSERVED GAMMA-LINES. 2021500900006 HISTORY (721003C) 2021500900007 (740521E) 2021500900008 ENDBIB 6 0 2021500900009 NOCOMMON 0 0 2021500900010 DATA 1 1 2021500900011 DATA 2021500900012 B 2021500900013 1.4000E+00 2021500900014 ENDDATA 3 0 2021500900015 ENDSUBENT 14 0 2021500999999 SUBENT 20215010 19831121 00002021501000001 BIB 3 8 2021501000002 REACTION (20-CA-44(N,G)20-CA-45,,SPC,,SPA) 2021501000003 FLAG (1.) INTERPRETATION UNCERTAIN, BECAUSE PEAK 2021501000004 OBSCURED BY A PEAK CORRESPONDING TO A LINE IN CA-41. 2021501000005 (2.) INTERPRETATION UNCERTAIN, BECAUSE THE PEAK 2021501000006 IS SITUATED ON THE COMPTON EDGE OF THE 2021501000007 1943 KEV GAMMA-RAY-LINE FROM CA-41. 2021501000008 HISTORY (721003C) 2021501000009 (740521E) 2021501000010 ENDBIB 8 0 2021501000011 NOCOMMON 0 0 2021501000012 DATA 6 7 2021501000013 E E-ERR DATA-APRX DATA DATA-MAX FLAG 2021501000014 MEV MEV GAM/100N GAM/100N GAM/100N NO-DIM 2021501000015 1.7440E-01 6.0000E-04 6.8000E+00 2021501000016 1.2612E+00 1.5000E-03 2.0000E-01 1.0000E+002021501000017 1.7280E+00 5.0000E-03 5.0000E-01 2.0000E+002021501000018 3.9953E+00 3.0000E-03 3.0000E-01 2021501000019 5.1615E+00 5.0000E-03 2.0000E-01 2021501000020 5.5156E+00 2.0000E-03 1.9000E+00 2021501000021 5.9825E+00 3.0000E-03 5.0000E-01 2021501000022 ENDDATA 9 0 2021501000023 ENDSUBENT 22 0 2021501099999 ENDENTRY 10 0 2021599999999