ENTRY C2171 20210828 C203C217100000001 SUBENT C2171001 20210828 C203C217100100001 BIB 7 12 C217100100002 TITLE Nuclear Excitation Functions and Thick-Target Yields C217100100003 F19, Na23, As75(d,t), and Na23, As75(d,p) C217100100004 AUTHOR (L.H.Bowen,J.W.Irvine Jr) C217100100005 REFERENCE (J,PR,127,1698,1962) C217100100006 #doi:10.1103/PhysRev.127.1698 C217100100007 INSTITUTE (1USAMIT) C217100100008 FACILITY (CYCLO,1USAMIT) C217100100009 DETECTOR (NAICR,PROPC) Well-type NaI(Tl) scintillation C217100100010 counter. The 4pi beta proportional counter filled C217100100011 with P-10 (90% of Ar and 10% of CH4). C217100100012 HISTORY (20150820C) BP C217100100013 (20210730A) OS. Data corrected in subs.8,9,11 C217100100014 ENDBIB 12 0 C217100100015 NOCOMMON 0 0 C217100100016 ENDSUBENT 15 0 C217100199999 SUBENT C2171002 20150820 C152C217100200001 BIB 7 32 C217100200002 REACTION (11-NA-23(D,P)11-NA-24,,SIG) C217100200003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100200004 evaporation of reagent grade NaF from a nickel C217100200005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100200006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100200007 first sprayed over the backing foil to prevent Raking C217100200008 of the salt during subsequent handling. The C217100200009 evaporation was carried out slowly in both cases to C217100200010 prevent cracking of the evaporated layer. Punched C217100200011 circles about 1.4 cm in diameter were weighed C217100200012 individually and stacked between aluminum spacers of C217100200013 1.8 mg/cm2 for NaF for the excitation function runs. C217100200014 METHOD (STTA,ACTIV,CHSEP) Individual foil measurement. For C217100200015 measurements of absolute cross sections at the C217100200016 maximum deuteron energy, single foils were bombarded C217100200017 in a Faraday cup. C217100200018 DECAY-DATA (11-NA-24,15.0HR,B-) C217100200019 CORRECTION By counting aluminum spacers foils, a correction C217100200020 factor with a maximum value of 6% of the total 24Na C217100200021 was obtained. C217100200022 ERR-ANALYS (DATA-ERR) The errors are standard deviations in the C217100200023 cross sections obtained from duplicate runs. C217100200024 Consideration of errors involved in energy C217100200025 determination, beam measurement, foil thickness, and C217100200026 counter calibrations, together with the C217100200027 reproducibility of runs under various conditions, C217100200028 leads to an estimate of about 10% error in the C217100200029 absolute cross sections for all reactions studied C217100200030 except 75As(d,t)74As, which may be given in error by C217100200031 twice as much, due to difficulty involved in the 74As C217100200032 calibration. C217100200033 STATUS (TABLE) page 1698. C217100200034 ENDBIB 32 0 C217100200035 NOCOMMON 0 0 C217100200036 DATA 3 1 C217100200037 EN DATA DATA-ERR C217100200038 MEV MB MB C217100200039 15.2 125.7 2.5 C217100200040 ENDDATA 3 0 C217100200041 ENDSUBENT 40 0 C217100299999 SUBENT C2171003 20150820 C152C217100300001 BIB 6 29 C217100300002 REACTION (11-NA-23(D,T)11-NA-22,,SIG) C217100300003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100300004 evaporation of reagent grade NaF from a nickel C217100300005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100300006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100300007 first sprayed over the backing foil to prevent Raking C217100300008 of the salt during subsequent handling. The C217100300009 evaporation was carried out slowly in both cases to C217100300010 prevent cracking of the evaporated layer. Punched C217100300011 circles about 1.4 cm in diameter were weighed C217100300012 individually and stacked between aluminum spacers of C217100300013 1.8 mg/cm2 for NaF for the excitation function runs. C217100300014 METHOD (STTA,ACTIV,CHSEP) Individual foil measurement. For C217100300015 measurements of absolute cross sections at the C217100300016 maximum deuteron energy, single foils were bombarded C217100300017 in a Faraday cup. C217100300018 DECAY-DATA (11-NA-22,2.58YR,B+) C217100300019 ERR-ANALYS (DATA-ERR) The errors are standard deviations in the C217100300020 cross sections obtained from duplicate runs. C217100300021 Consideration of errors involved in energy C217100300022 determination, beam measurement, foil thickness, and C217100300023 counter calibrations, together with the C217100300024 reproducibility of runs under various conditions, C217100300025 leads to an estimate of about 10% error in the C217100300026 absolute cross sections for all reactions studied C217100300027 except 75As(d,t)74As, which may be given in error by C217100300028 twice as much, due to difficulty involved in the 74As C217100300029 calibration. C217100300030 STATUS (TABLE) page 1698. C217100300031 ENDBIB 29 0 C217100300032 NOCOMMON 0 0 C217100300033 DATA 3 1 C217100300034 EN DATA DATA-ERR C217100300035 MEV MB MB C217100300036 15.2 12.2 2.0 C217100300037 ENDDATA 3 0 C217100300038 ENDSUBENT 37 0 C217100399999 SUBENT C2171004 20150820 C152C217100400001 BIB 6 29 C217100400002 REACTION (9-F-19(D,T)9-F-18,,SIG) C217100400003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100400004 evaporation of reagent grade NaF from a nickel C217100400005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100400006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100400007 first sprayed over the backing foil to prevent Raking C217100400008 of the salt during subsequent handling. The C217100400009 evaporation was carried out slowly in both cases to C217100400010 prevent cracking of the evaporated layer. Punched C217100400011 circles about 1.4 cm in diameter were weighed C217100400012 individually and stacked between aluminum spacers of C217100400013 1.8 mg/cm2 for NaF for the excitation function runs. C217100400014 METHOD (STTA,ACTIV,CHSEP) Individual foil measurement. For C217100400015 measurements of absolute cross sections at the C217100400016 maximum deuteron energy, single foils were bombarded C217100400017 in a Faraday cup. C217100400018 DECAY-DATA (9-F-18,111.MIN,AR) C217100400019 ERR-ANALYS (DATA-ERR) The errors are standard deviations in the C217100400020 cross sections obtained from duplicate runs. C217100400021 Consideration of errors involved in energy C217100400022 determination, beam measurement, foil thickness, and C217100400023 counter calibrations, together with the C217100400024 reproducibility of runs under various conditions, C217100400025 leads to an estimate of about 10% error in the C217100400026 absolute cross sections for all reactions studied C217100400027 except 75As(d,t)74As, which may be given in error by C217100400028 twice as much, due to difficulty involved in the 74As C217100400029 calibration. C217100400030 STATUS (TABLE) page 1698. C217100400031 ENDBIB 29 0 C217100400032 NOCOMMON 0 0 C217100400033 DATA 3 1 C217100400034 EN DATA DATA-ERR C217100400035 MEV MB MB C217100400036 15.2 29.0 2.2 C217100400037 ENDDATA 3 0 C217100400038 ENDSUBENT 37 0 C217100499999 SUBENT C2171005 20150820 C152C217100500001 BIB 6 25 C217100500002 REACTION (33-AS-75(D,P)33-AS-76,,SIG) C217100500003 SAMPLE Arsenic targets of =10 mg/cm2 were prepared in a C217100500004 similar manner as NaF from purified crystalline C217100500005 metal. The evaporation was carried out slowly in both C217100500006 cases to prevent cracking of the evaporated layer. C217100500007 Punched circles about 1.4 cm in diameter were weighed C217100500008 individually and stacked between aluminum spacers of C217100500009 5 mg/cm2 for As for the excitation function runs. C217100500010 METHOD (STTA,ACTIV,CHSEP) Individual foil measurement. For C217100500011 measurements of absolute cross sections at the C217100500012 maximum deuteron energy, single foils were bombarded C217100500013 in a Faraday cup. C217100500014 DECAY-DATA (33-AS-76,26.5HR,B-) C217100500015 ERR-ANALYS (DATA-ERR) The errors are standard deviations in the C217100500016 cross sections obtained from duplicate runs. C217100500017 Consideration of errors involved in energy C217100500018 determination, beam measurement, foil thickness, and C217100500019 counter calibrations, together with the C217100500020 reproducibility of runs under various conditions, C217100500021 leads to an estimate of about 10% error in the C217100500022 absolute cross sections for all reactions studied C217100500023 except 75As(d,t)74As, which may be given in error by C217100500024 twice as much, due to difficulty involved in the 74As C217100500025 calibration. C217100500026 STATUS (TABLE) page 1698. C217100500027 ENDBIB 25 0 C217100500028 NOCOMMON 0 0 C217100500029 DATA 3 1 C217100500030 EN DATA DATA-ERR C217100500031 MEV MB MB C217100500032 15.2 140.3 6.6 C217100500033 ENDDATA 3 0 C217100500034 ENDSUBENT 33 0 C217100599999 SUBENT C2171006 20150820 C152C217100600001 BIB 6 25 C217100600002 REACTION (33-AS-75(D,T)33-AS-74,,SIG) C217100600003 SAMPLE Arsenic targets of =10 mg/cm2 were prepared in a C217100600004 similar manner as NaF from purified crystalline C217100600005 metal. The evaporation was carried out slowly in both C217100600006 cases to prevent cracking of the evaporated layer. C217100600007 Punched circles about 1.4 cm in diameter were weighed C217100600008 individually and stacked between aluminum spacers of C217100600009 5 mg/cm2 for As for the excitation function runs. C217100600010 METHOD (STTA,ACTIV,CHSEP) Individual foil measurement. For C217100600011 measurements of absolute cross sections at the C217100600012 maximum deuteron energy, single foils were bombarded C217100600013 in a Faraday cup. C217100600014 DECAY-DATA (33-AS-74,17.5D,AR) C217100600015 ERR-ANALYS (DATA-ERR) The errors are standard deviations in the C217100600016 cross sections obtained from duplicate runs. C217100600017 Consideration of errors involved in energy C217100600018 determination, beam measurement, foil thickness, and C217100600019 counter calibrations, together with the C217100600020 reproducibility of runs under various conditions, C217100600021 leads to an estimate of about 10% error in the C217100600022 absolute cross sections for all reactions studied C217100600023 except 75As(d,t)74As, which may be given in error by C217100600024 twice as much, due to difficulty involved in the 74As C217100600025 calibration. C217100600026 STATUS (TABLE) page 1698. C217100600027 ENDBIB 25 0 C217100600028 NOCOMMON 0 0 C217100600029 DATA 3 1 C217100600030 EN DATA DATA-ERR C217100600031 MEV MB MB C217100600032 15.2 16.5 1.2 C217100600033 ENDDATA 3 0 C217100600034 ENDSUBENT 33 0 C217100699999 SUBENT C2171007 20150820 C152C217100700001 BIB 7 25 C217100700002 REACTION (11-NA-23(D,P)11-NA-24,,SIG) C217100700003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100700004 evaporation of reagent grade NaF from a nickel C217100700005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100700006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100700007 first sprayed over the backing foil to prevent Raking C217100700008 of the salt during subsequent handling. The C217100700009 evaporation was carried out slowly in both cases to C217100700010 prevent cracking of the evaporated layer. Punched C217100700011 circles about 1.4 cm in diameter were weighed C217100700012 individually and stacked between aluminum spacers of C217100700013 1.8 mg/cm2 for NaF for the excitation function runs. C217100700014 METHOD (STTA,ACTIV,CHSEP) A stack of about 25 sodium- C217100700015 fluoride foils separated by aluminum spacers was C217100700016 bombarded for 5 min at 0.08 pA primarily for Na24, C217100700017 with deuterons of maximum energy 15.4 MeV. The foils C217100700018 were dissolved in 4M HCl. The individual foil C217100700019 measurement was used for cross sections normalization. C217100700020 CORRECTION By counting aluminum spacers foils, a correction C217100700021 factor with a maximum value of 6% of the total 24Na C217100700022 was obtained. C217100700023 DECAY-DATA (11-NA-24,15.0HR,B-) C217100700024 REL-REF (O,C2170001,E.T.Clarke+,J,PR,66,231,1944) C217100700025 STATUS (CURVE) Fig. 2, page 1700. C217100700026 (DEP,C2171002) C217100700027 ENDBIB 25 0 C217100700028 NOCOMMON 0 0 C217100700029 DATA 2 21 C217100700030 EN DATA C217100700031 MEV MB C217100700032 1.674 44.519 C217100700033 2.917 255.293 C217100700034 3.957 377.169 C217100700035 4.824 408.056 C217100700036 5.729 389.273 C217100700037 6.481 358.979 C217100700038 7.077 328.678 C217100700039 7.764 315.636 C217100700040 8.360 288.996 C217100700041 8.955 262.878 C217100700042 9.455 248.783 C217100700043 9.925 229.980 C217100700044 11.395 184.031 C217100700045 11.925 179.349 C217100700046 12.363 169.956 C217100700047 12.831 160.042 C217100700048 13.205 154.307 C217100700049 13.611 146.481 C217100700050 14.017 143.362 C217100700051 14.423 131.354 C217100700052 14.859 129.804 C217100700053 ENDDATA 23 0 C217100700054 ENDSUBENT 53 0 C217100799999 SUBENT C2171008 20210828 C203C217100800001 BIB 6 22 C217100800002 REACTION (11-NA-23(D,T)11-NA-22,,SIG) C217100800003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100800004 evaporation of reagent grade NaF from a nickel C217100800005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100800006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100800007 first sprayed over the backing foil to prevent Raking C217100800008 of the salt during subsequent handling. The C217100800009 evaporation was carried out slowly in both cases to C217100800010 prevent cracking of the evaporated layer. Punched C217100800011 circles about 1.4 cm in diameter were weighed C217100800012 individually and stacked between aluminum spacers of C217100800013 1.8 mg/cm2 for NaF for the excitation function runs. C217100800014 METHOD (STTA,ACTIV,CHSEP) A stack of about 25 sodium- C217100800015 fluoride foils separated by aluminum spacers was C217100800016 bombarded for 1 h at 0.3 pA for Na22 measurement, C217100800017 with deuterons of maximum energy 15.4 MeV. The foils C217100800018 were dissolved in 4M HCl. The individual foil C217100800019 measurement was used for cross sections normalization. C217100800020 DECAY-DATA (11-NA-22,2.58YR,AR) C217100800021 STATUS (CURVE) Fig. 2, page 1700. C217100800022 (DEP,C2171003) C217100800023 HISTORY (20210730A) Data divided by 10 according to Fig.2 C217100800024 ENDBIB 22 0 C217100800025 NOCOMMON 0 0 C217100800026 DATA 2 20 C217100800027 EN DATA C217100800028 MEV MB C217100800029 7.751 0.1910 C217100800030 8.373 0.2983 C217100800031 8.808 0.7186 C217100800032 9.274 1.6618 C217100800033 9.739 2.6050 C217100800034 10.111 3.7570 C217100800035 10.515 4.3862 C217100800036 10.949 5.1201 C217100800037 11.321 6.0629 C217100800038 11.694 6.6397 C217100800039 12.035 7.3733 C217100800040 12.407 8.2115 C217100800041 12.750 8.0038 C217100800042 13.152 10.0448 C217100800043 13.465 8.7913 C217100800044 13.837 9.3681 C217100800045 14.209 10.4155 C217100800046 14.552 10.1555 C217100800047 14.955 11.3076 C217100800048 15.359 12.0414 C217100800049 ENDDATA 22 0 C217100800050 ENDSUBENT 49 0 C217100899999 SUBENT C2171009 20210828 C203C217100900001 BIB 6 23 C217100900002 REACTION (9-F-19(D,T)9-F-18,,SIG) C217100900003 SAMPLE Sodium-fluoride targets were prepared by vacuum C217100900004 evaporation of reagent grade NaF from a nickel C217100900005 crucible to a thickness of =5 mg/cm2 on 1.8 mg/cm2 C217100900006 aluminum foil. A layer of shellac =0.1 mg/cm2 was C217100900007 first sprayed over the backing foil to prevent Raking C217100900008 of the salt during subsequent handling. The C217100900009 evaporation was carried out slowly in both cases to C217100900010 prevent cracking of the evaporated layer. Punched C217100900011 circles about 1.4 cm in diameter were weighed C217100900012 individually and stacked between aluminum spacers of C217100900013 1.8 mg/cm2 for NaF for the excitation function runs. C217100900014 METHOD (STTA,ACTIV,CHSEP) A stack of about 25 sodium- C217100900015 fluoride foils separated by aluminum spacers was C217100900016 bombarded for 5 min at 0.08 pA primarily for F18 C217100900017 measurements, with deuterons of maximum energy 15.4 C217100900018 MeV. The foils were dissolved in 4M HCl. The C217100900019 individual foil measurement was used for cross C217100900020 sections normalization. C217100900021 DECAY-DATA (9-F-18,111.MIN,AR) C217100900022 STATUS (CURVE) Fig. 2, page 1700. C217100900023 (DEP,C2171004) C217100900024 HISTORY (20210730A) Data divided by 10 according to Fig.2 C217100900025 ENDBIB 23 0 C217100900026 NOCOMMON 0 0 C217100900027 DATA 2 20 C217100900028 EN DATA C217100900029 MEV MB C217100900030 5.727 0.1299 C217100900031 6.504 0.8130 C217100900032 7.091 4.2143 C217100900033 7.738 8.4001 C217100900034 8.325 11.3831 C217100900035 8.849 14.7318 C217100900036 9.437 16.6167 C217100900037 9.964 17.9262 C217100900038 10.428 20.2289 C217100900039 10.923 21.8520 C217100900040 11.418 24.1026 C217100900041 11.883 24.9935 C217100900042 12.380 25.9369 C217100900043 12.721 27.0364 C217100900044 13.218 27.3523 C217100900045 13.592 26.8311 C217100900046 13.996 27.4080 C217100900047 14.400 27.8804 C217100900048 14.804 28.3004 C217100900049 15.208 28.9820 C217100900050 ENDDATA 22 0 C217100900051 ENDSUBENT 50 0 C217100999999 SUBENT C2171010 20150820 C152C217101000001 BIB 5 17 C217101000002 REACTION (33-AS-75(D,P)33-AS-76,,SIG) C217101000003 SAMPLE Arsenic targets of =10 mg/cm2 were prepared in a C217101000004 similar manner as NaF from purified crystalline C217101000005 metal. The evaporation was carried out slowly in both C217101000006 cases to prevent cracking of the evaporated layer. C217101000007 Punched circles about 1.4 cm in diameter were weighed C217101000008 individually and stacked between aluminum spacers of C217101000009 5 mg/cm2 for As for the excitation function runs. C217101000010 METHOD (STTA,ACTIV,CHSEP) A stack of 16 arsenic foils C217101000011 separated by aluminum spacers was bombarded for 20 C217101000012 min at 0.05 pA with 15.4-MeV deuterons. The arsenic C217101000013 was dissolved off the aluminum backing with H202 and C217101000014 NH4OH. The individual foil measurement was used for C217101000015 cross sections normalization. C217101000016 DECAY-DATA (33-AS-76,26.5HR,B-) C217101000017 STATUS (CURVE) Fig. 3, page 1701. C217101000018 (DEP,C2171005) C217101000019 ENDBIB 17 0 C217101000020 NOCOMMON 0 0 C217101000021 DATA 2 14 C217101000022 EN DATA C217101000023 MEV MB C217101000024 0.206 0.010 C217101000025 2.325 9.465 C217101000026 4.254 63.073 C217101000027 5.490 172.036 C217101000028 6.829 227.113 C217101000029 7.826 243.253 C217101000030 8.825 252.281 C217101000031 9.833 232.119 C217101000032 10.696 204.465 C217101000033 11.820 187.677 C217101000034 12.617 183.597 C217101000035 13.627 155.576 C217101000036 14.484 146.634 C217101000037 15.223 139.184 C217101000038 ENDDATA 16 0 C217101000039 ENDSUBENT 38 0 C217101099999 SUBENT C2171011 20210828 C203C217101100001 BIB 6 18 C217101100002 REACTION (33-AS-75(D,T)33-AS-74,,SIG) C217101100003 SAMPLE Arsenic targets of =10 mg/cm2 were prepared in a C217101100004 similar manner as NaF from purified crystalline C217101100005 metal. The evaporation was carried out slowly in both C217101100006 cases to prevent cracking of the evaporated layer. C217101100007 Punched circles about 1.4 cm in diameter were weighed C217101100008 individually and stacked between aluminum spacers of C217101100009 5 mg/cm2 for As for the excitation function runs. C217101100010 METHOD (STTA,ACTIV,CHSEP) A stack of 16 arsenic foils C217101100011 separated by aluminum spacers was bombarded for 20 C217101100012 min at 0.05 pA with 15.4-MeV deuterons. The arsenic C217101100013 was dissolved off the aluminum backing with H202 and C217101100014 NH4OH. The individual foil measurement was used for C217101100015 cross sections normalization. C217101100016 DECAY-DATA (33-AS-74,17.5D,AR) C217101100017 STATUS (CURVE) Fig. 3, page 1701. C217101100018 (DEP,C2171006) C217101100019 HISTORY (20210730A) Data divided by 10 according to Fig.3 C217101100020 ENDBIB 18 0 C217101100021 NOCOMMON 0 0 C217101100022 DATA 2 9 C217101100023 EN DATA C217101100024 MEV MB C217101100025 7.807 0.3359 C217101100026 8.807 1.2388 C217101100027 9.773 3.2268 C217101100028 10.679 5.7385 C217101100029 11.819 8.9998 C217101100030 12.580 10.6875 C217101100031 13.606 12.4887 C217101100032 14.487 13.8026 C217101100033 15.157 16.4629 C217101100034 ENDDATA 11 0 C217101100035 ENDSUBENT 34 0 C217101199999 ENDENTRY 11 0 C217199999999