ENTRY C0484 20181008 C179C048400000001 SUBENT C0484001 20181008 C179C048400100001 BIB 9 23 C048400100002 INSTITUTE (1CANTOR) C048400100003 REFERENCE (J,CJP,58,697,1980) C048400100004 AUTHOR (C.W.Cheng,J.D.King) C048400100005 TITLE Cross sections and thermonuclear reaction rates for C048400100006 the 24Mg(a,n)27Si, 25Mg(p,n)25Al, 27Al(p,n)27Si, and C048400100007 28Si(a,n)31S reactions. C048400100008 FACILITY (VDG,1CANMCM) 8 MV FN Van de Graaff accelerator at C048400100009 McMaster University Tandem Accelerator Laboratory. C048400100010 METHOD (ACTIV) C048400100011 DETECTOR (SCIN) Two 7.6 cm x 7.6 cm NaI(Tl) detectors. C048400100012 CORRECTION Corrected for: C048400100013 . decays before counting began, C048400100014 . efficiency, C048400100015 . accidental rate (up to 5.6% at highest energies), C048400100016 . differing amounts of absorption in the tantalum C048400100017 backing due to different positron end point energies C048400100018 of the calibration source and induced activities. C048400100019 HISTORY (19990413C) C048400100020 (20010329A) DECAY-DATA updated, RAD-DET deleted. C048400100021 (20030825A) Merged with data set D0020 (NDS). C048400100022 (20180915A) OS. REACTION and data units corrected in C048400100023 subs.6-9; STATUS corrected, ERR-ANALYS updated in C048400100024 sub.2 C048400100025 ENDBIB 23 0 C048400100026 NOCOMMON 0 0 C048400100027 ENDSUBENT 26 0 C048400199999 SUBENT C0484002 20181008 C179C048400200001 BIB 6 16 C048400200002 REACTION (12-MG-24(A,N)14-SI-27,,SIG) C048400200003 SAMPLE Magnesium oxide target enriched to 99.94% 24Mg with a C048400200004 thickness 150 (30) microg/cm**2, preparated by C048400200005 evaporation onto 0.025 cm thick tantalum disc. C048400200006 DECAY-DATA (14-SI-27,4.16SEC,AR,511.) C048400200007 ERR-ANALYS (ERR-T) Overall uncertainty of 23% includes C048400200008 uncertainties from: C048400200009 (ERR-1) target thickness 20.0%; C048400200010 (ERR-2) calibrated source strength 5.6%; C048400200011 (ERR-3) least squares fitting and C048400200012 variation in counting efficiency 6.0%; C048400200013 (ERR-4) correction factor for absorption C048400200014 in the tantalum backing 8.0%; C048400200015 (ERR-5) effective number of incident particles 3.0%. C048400200016 STATUS (TABLE) Data taken from Table 1 in reference. C048400200017 HISTORY (20180915U) Partial uncertainties entered in COMMON C048400200018 ENDBIB 16 0 C048400200019 COMMON 5 3 C048400200020 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 C048400200021 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT C048400200022 20. 5.6 6.0 8.0 3.0 C048400200023 ENDCOMMON 3 0 C048400200024 DATA 3 15 C048400200025 EN-CM DATA ERR-T C048400200026 MEV MB MB C048400200027 7.27 1.8 .4 C048400200028 7.48 27.4 6.3 C048400200029 7.7 8.8 2. C048400200030 7.91 9.6 2.2 C048400200031 8.13 24.3 5.6 C048400200032 8.34 34.1 7.8 C048400200033 8.55 44.9 10.3 C048400200034 8.77 49.9 11.5 C048400200035 8.98 40.3 9.3 C048400200036 9.2 51.2 11.8 C048400200037 9.41 49.8 11.5 C048400200038 9.63 50.2 11.6 C048400200039 9.84 51.3 11.8 C048400200040 10.06 62.7 14.4 C048400200041 10.27 59.2 13.6 C048400200042 ENDDATA 17 0 C048400200043 ENDSUBENT 42 0 C048400299999 SUBENT C0484003 20181008 C179C048400300001 BIB 5 7 C048400300002 REACTION (12-MG-25(P,N)13-AL-25,,SIG) C048400300003 SAMPLE Magnesium oxide target enriched to 99.87% 25Mg with a C048400300004 thickness 250 (50) microg/cm**2, preparated by C048400300005 evaporation onto 0.025 cm thick tantalum disc. C048400300006 DECAY-DATA (13-AL-25,7.183SEC,AR,511.) C048400300007 ERR-ANALYS (DATA-ERR) Overall uncertainty of 22.5%. C048400300008 STATUS (TABLE) Data taken from Table 1 in reference. C048400300009 ENDBIB 7 0 C048400300010 NOCOMMON 0 0 C048400300011 DATA 3 16 C048400300012 EN-CM DATA DATA-ERR C048400300013 MEV MB MB C048400300014 5.28 21.3 4.8 C048400300015 5.52 39.5 8.9 C048400300016 5.76 69.9 15.7 C048400300017 6. 120. 27. C048400300018 6.24 120. 27. C048400300019 6.49 150. 34. C048400300020 6.73 95. 21. C048400300021 6.97 119. 27. C048400300022 7.21 115. 26. C048400300023 7.45 120. 27. C048400300024 7.59 143. 32. C048400300025 7.93 168. 38. C048400300026 8.17 148. 33. C048400300027 8.41 122. 27. C048400300028 8.65 130. 29. C048400300029 8.89 117. 26. C048400300030 ENDDATA 18 0 C048400300031 ENDSUBENT 30 0 C048400399999 SUBENT C0484004 20181008 C179C048400400001 BIB 5 6 C048400400002 REACTION (13-AL-27(P,N)14-SI-27,,SIG) C048400400003 SAMPLE Natural aluminium target of >99.9% purity and C048400400004 thickness of 540 microg/cm**2. C048400400005 DECAY-DATA (14-SI-27,4.16SEC,AR,511.) C048400400006 ERR-ANALYS (DATA-ERR) Overall uncertainty of 14%. C048400400007 STATUS (TABLE) Data taken from Table 1 in reference. C048400400008 ENDBIB 6 0 C048400400009 NOCOMMON 0 0 C048400400010 DATA 3 17 C048400400011 EN-CM DATA DATA-ERR C048400400012 MEV MB MB C048400400013 5.77 23.4 3.3 C048400400014 6.01 32. 4.5 C048400400015 6.25 35.8 5. C048400400016 6.5 34.3 4.8 C048400400017 6.74 37.6 5.3 C048400400018 6.98 44.6 6.2 C048400400019 7.22 56.4 7.9 C048400400020 7.46 72.3 10.1 C048400400021 7.7 77.2 10.8 C048400400022 7.94 86.3 12. C048400400023 8.18 92. 13. C048400400024 8.43 98.5 14. C048400400025 8.67 98. 14. C048400400026 8.91 96. 13. C048400400027 9.15 102. 14. C048400400028 9.39 102. 14. C048400400029 9.63 103. 14. C048400400030 ENDDATA 19 0 C048400400031 ENDSUBENT 30 0 C048400499999 SUBENT C0484005 20181008 C179C048400500001 BIB 5 7 C048400500002 REACTION (14-SI-28(A,N)16-S-31,,SIG) C048400500003 SAMPLE Target of purified natural silicon containing 92.2% C048400500004 28Si with thickness of 40 microg/cm**2, preparated C048400500005 by evaporation onto 0.025 cm thick tantalum disc. C048400500006 DECAY-DATA (16-S-31,2.572SEC,AR,511.) C048400500007 ERR-ANALYS (DATA-ERR) Overall uncertainty of 24%. C048400500008 STATUS (TABLE) Data taken from Table 1 in reference. C048400500009 ENDBIB 7 0 C048400500010 NOCOMMON 0 0 C048400500011 DATA 3 13 C048400500012 EN-CM DATA DATA-ERR C048400500013 MEV MB MB C048400500014 8.3 1.8 .4 C048400500015 8.52 4.6 1.1 C048400500016 8.74 7.5 1.8 C048400500017 8.96 7.9 1.9 C048400500018 9.18 22.9 5.5 C048400500019 9.4 25.3 6.1 C048400500020 9.62 17.3 4.2 C048400500021 9.83 18.5 4.4 C048400500022 10.05 20.7 5. C048400500023 10.27 22.2 5.3 C048400500024 10.49 28.2 6.8 C048400500025 10.71 34.5 8.3 C048400500026 10.93 36.6 8.8 C048400500027 ENDDATA 15 0 C048400500028 ENDSUBENT 27 0 C048400599999 SUBENT C0484006 20181008 C179C048400600001 BIB 4 11 C048400600002 REACTION 1(12-MG-24(A,N)14-SI-27,,SGV,,MSC) C048400600003 Threshold region contribution excluded C048400600004 2(12-MG-24(A,N)14-SI-27,,SGV) C048400600005 From experimental cross-section values plus normalizedC048400600006 statistical cross-section values near threshold. C048400600007 ERR-ANALYS No error given. C048400600008 STATUS (TABLE) Data taken from Table 2 in reference. C048400600009 (DEP,C0484002) C048400600010 HISTORY (19800624C) KO (NDS). C048400600011 (20180915A) Data units corrected, added SF8=MSC C048400600012 to REACTION 1, deleted SF9=DERIV in REACTION 2 C048400600013 ENDBIB 11 0 C048400600014 NOCOMMON 0 0 C048400600015 DATA 3 6 C048400600016 KT DATA 1DATA 2 C048400600017 K9 CM3/S/MOL CM3/S/MOL C048400600018 1. 2.49E-29 3.36E-29 C048400600019 2. 5.65E-11 6.19E-11 C048400600020 3. 6.84E-05 7.20E-05 C048400600021 4. 7.53E-02 7.79E-02 C048400600022 5. 5.11E+00 5.23E+00 C048400600023 6. 8.59E+01 8.74E+01 C048400600024 ENDDATA 8 0 C048400600025 ENDSUBENT 24 0 C048400699999 SUBENT C0484007 20181008 C179C048400700001 BIB 4 11 C048400700002 REACTION 1(12-MG-25(P,N)13-AL-25,,SGV,,MSC) C048400700003 Threshold region contribution excluded C048400700004 2(12-MG-25(P,N)13-AL-25,,SGV) C048400700005 From experimental cross-section values plus normalizedC048400700006 statistical cross-section values near threshold. C048400700007 ERR-ANALYS No error given. C048400700008 STATUS (TABLE) Data taken from Table 2 in reference. C048400700009 (DEP,C0484003) C048400700010 HISTORY (19800624C) KO (NDS). C048400700011 (20180915A) Data units corrected, added SF8=MSC C048400700012 to REACTION 1, deleted SF9=DERIV in REACTION 2 C048400700013 ENDBIB 11 0 C048400700014 NOCOMMON 0 0 C048400700015 DATA 3 6 C048400700016 KT DATA 1DATA 2 C048400700017 K9 CM3/S/MOL CM3/S/MOL C048400700018 1. 1.67E-18 7.75E-18 C048400700019 2. 2.51E-05 5.09E-05 C048400700020 3. 6.97E-01 1.03E+00 C048400700021 4. 1.21E+02 1.55E+02 C048400700022 5. 2.66E+03 3.16E+03 C048400700023 6. 2.09E+04 2.38E+04 C048400700024 ENDDATA 8 0 C048400700025 ENDSUBENT 24 0 C048400799999 SUBENT C0484008 20181008 C179C048400800001 BIB 4 11 C048400800002 REACTION 1(13-AL-27(P,N)14-SI-27,,SGV,,MSC) C048400800003 Threshold region contribution excluded C048400800004 2(13-AL-27(P,N)14-SI-27,,SGV) C048400800005 From experimental cross-section values plus normalizedC048400800006 statistical cross-section values near threshold. C048400800007 ERR-ANALYS No error given. C048400800008 STATUS (TABLE) Data taken from Table 2 in reference. C048400800009 (DEP,C0484004) C048400800010 HISTORY (19800624C) KO (NDS). C048400800011 (20180915A) Data units corrected, added SF8=MSC C048400800012 to REACTION 1, deleted SF9=DERIV in REACTION 2 C048400800013 ENDBIB 11 0 C048400800014 NOCOMMON 0 0 C048400800015 DATA 3 6 C048400800016 KT DATA 1DATA 2 C048400800017 K9 CM3/S/MOL CM3/S/MOL C048400800018 1. 6.35E-21 2.05E-20 C048400800019 2. 1.30E-06 2.37E-06 C048400800020 3. 7.58E-02 1.11E-01 C048400800021 4. 1.83E+01 2.40E+01 C048400800022 5. 4.98E+02 6.10E+02 C048400800023 6. 4.54E+03 5.32E+03 C048400800024 ENDDATA 8 0 C048400800025 ENDSUBENT 24 0 C048400899999 SUBENT C0484009 20181008 C179C048400900001 BIB 4 11 C048400900002 REACTION 1(14-SI-28(A,N)16-S-31,,SGV,,MSC) C048400900003 Threshold region contribution excluded C048400900004 2(14-SI-28(A,N)16-S-31,,SGV) C048400900005 From experimental cross-section values plus normalizedC048400900006 statistical cross-section values near threshold. C048400900007 ERR-ANALYS No error given. C048400900008 STATUS (TABLE) Data taken from Table 2 in reference. C048400900009 (DEP,C0484005) C048400900010 HISTORY (19800624C) KO (NDS). C048400900011 (20180915A) Data units corrected, added SF8=MSC C048400900012 to REACTION 1, deleted SF9=DERIV in REACTION 2 C048400900013 ENDBIB 11 0 C048400900014 NOCOMMON 0 0 C048400900015 DATA 3 5 C048400900016 KT DATA 1DATA 2 C048400900017 K9 CM3/S/MOL CM3/S/MOL C048400900018 2. 5.04E-14 7.51E-14 C048400900019 3. 5.19E-07 6.33E-07 C048400900020 4. 1.76E-03 1.98E-03 C048400900021 5. 2.33E-01 2.52E-01 C048400900022 6. 6.07E+00 6.41E+00 C048400900023 ENDDATA 7 0 C048400900024 ENDSUBENT 23 0 C048400999999 ENDENTRY 9 0 C048499999999