ENTRY M0273 20071109 M044M027300000001 SUBENT M0273001 20071109 M044M027300100001 BIB 11 36 M027300100002 TITLE The solution of x-ray activation curves for M027300100003 photonuclear cross sections. M027300100004 AUTHOR (L.KATZ,A.G.W.CAMERON) M027300100005 INSTITUTE (1CANSAS) M027300100006 REFERENCE (J,CJP,29,518,1951) M027300100007 METHOD (EXTB,SITA) M027300100008 DETECTOR (BF3) M027300100009 INC-SOURCE (BRST) M027300100010 ERR-ANALYS No information given M027300100011 COMMENT A method is presented for the computation of M027300100012 photonuclear cross sections from their x-ray M027300100013 activation or yield curves. It is based on the photon M027300100014 differences between successive Schiff representations M027300100015 of bremsstrahlung spectra and assumes that the M027300100016 activation curves have smooth first and second M027300100017 derivatives. M027300100018 Artificially prepared activation curves have been M027300100019 satisfactorily solved by this method, and the M027300100020 published photonuclear activation curves determined M027300100021 in this laboratory have been reanalyzed. The resultingM027300100022 cross section curves are in essential agreement with M027300100023 those originally determined; however, the new values M027300100024 are believed to be more reliable. M027300100025 New constants for two proposed relationships between M027300100026 (g,n) 'resonance' peak energies and atomic mass numberM027300100027 have been determined. M027300100028 Appended to the paper are tables of the Schiff M027300100029 bremsstrahlung spectra for maximum photon energies M027300100030 between 8 and 28 MeV and also of special functions M027300100031 for cross section computations between the same M027300100032 energies. M027300100033 STATUS (TABLE). Data are published in form of the tables. M027300100034 HISTORY (19880818C) M027300100035 (19910202A) Corrected by V.Varlamov, V.Mclane M027300100036 (20071005A) DATES and REACTIONS corrected, lowercase, M027300100037 V.Varlamov M027300100038 ENDBIB 36 0 M027300100039 NOCOMMON 0 0 M027300100040 ENDSUBENT 39 0 M027300199999 SUBENT M0273002 20071109 M044M027300200001 BIB 1 1 M027300200002 REACTION (6-C-12(G,N)6-C-11,,SIG,,BRS) M027300200003 ENDBIB 1 0 M027300200004 NOCOMMON 0 0 M027300200005 DATA 2 9 M027300200006 EN DATA M027300200007 MEV MB M027300200008 19. 0.05 M027300200009 20. 0.50 M027300200010 21. 2.30 M027300200011 22. 9.4 M027300200012 23. 13.1 M027300200013 24. 8.8 M027300200014 25. 5.2 M027300200015 26. 3.3 M027300200016 27. 1.9 M027300200017 ENDDATA 11 0 M027300200018 ENDSUBENT 17 0 M027300299999 SUBENT M0273003 20071109 M044M027300300001 BIB 1 1 M027300300002 REACTION (15-P-31(G,N)15-P-30,,SIG,,BRS) M027300300003 ENDBIB 1 0 M027300300004 NOCOMMON 0 0 M027300300005 DATA 2 13 M027300300006 EN DATA M027300300007 MEV MB M027300300008 13. 1.4 M027300300009 14. 3.2 M027300300010 15. 5.1 M027300300011 16. 7.6 M027300300012 17. 10.7 M027300300013 18. 14.4 M027300300014 19. 16.6 M027300300015 20. 16.4 M027300300016 21. 13.8 M027300300017 22. 10.6 M027300300018 23. 8.0 M027300300019 24. 6.0 M027300300020 25. 4.3 M027300300021 ENDDATA 15 0 M027300300022 ENDSUBENT 21 0 M027300399999 SUBENT M0273004 20071109 M044M027300400001 BIB 1 1 M027300400002 REACTION (26-FE-54(G,N)26-FE-53,,SIG,,BRS) M027300400003 ENDBIB 1 0 M027300400004 NOCOMMON 0 0 M027300400005 DATA 2 11 M027300400006 EN DATA M027300400007 MEV MB M027300400008 14. 1.4 M027300400009 15. 11.1 M027300400010 16. 25. M027300400011 17. 42. M027300400012 18. 62. M027300400013 19. 67. M027300400014 20. 60. M027300400015 21. 49. M027300400016 22. 40. M027300400017 23. 32. M027300400018 24. 25. M027300400019 ENDDATA 13 0 M027300400020 ENDSUBENT 19 0 M027300499999 SUBENT M0273005 20071109 M044M027300500001 BIB 1 1 M027300500002 REACTION (28-NI-58(G,N)28-NI-57,,SIG,,BRS) M027300500003 ENDBIB 1 0 M027300500004 NOCOMMON 0 0 M027300500005 DATA 2 11 M027300500006 EN DATA M027300500007 MEV MB M027300500008 12. 0. M027300500009 13. 11. M027300500010 14. 15. M027300500011 15. 23. M027300500012 16. 33. M027300500013 17. 46. M027300500014 18. 53. M027300500015 19. 54. M027300500016 20. 45. M027300500017 21. 28. M027300500018 22. 16. M027300500019 ENDDATA 13 0 M027300500020 ENDSUBENT 19 0 M027300599999 SUBENT M0273006 20071109 M044M027300600001 BIB 1 1 M027300600002 REACTION (29-CU-63(G,N)29-CU-62,,SIG,,BRS) M027300600003 ENDBIB 1 0 M027300600004 NOCOMMON 0 0 M027300600005 DATA 2 11 M027300600006 EN DATA M027300600007 MEV MB M027300600008 11. 2. M027300600009 12. 13. M027300600010 13. 23. M027300600011 14. 40. M027300600012 15. 64. M027300600013 16. 86. M027300600014 17. 99. M027300600015 18. 104. M027300600016 19. 97. M027300600017 20. 72. M027300600018 21. 39. M027300600019 ENDDATA 13 0 M027300600020 ENDSUBENT 19 0 M027300699999 SUBENT M0273007 20071109 M044M027300700001 BIB 1 1 M027300700002 REACTION (29-CU-65(G,N)29-CU-64,,SIG,,BRS) M027300700003 ENDBIB 1 0 M027300700004 NOCOMMON 0 0 M027300700005 DATA 2 12 M027300700006 EN DATA M027300700007 MEV MB M027300700008 11. 18. M027300700009 12. 32. M027300700010 13. 51. M027300700011 14. 73. M027300700012 15. 96. M027300700013 16. 119. M027300700014 17. 138. M027300700015 18. 150. M027300700016 19. 149. M027300700017 20. 130. M027300700018 21. 81. M027300700019 22. 34. M027300700020 ENDDATA 14 0 M027300700021 ENDSUBENT 20 0 M027300799999 SUBENT M0273008 20071109 M044M027300800001 BIB 1 1 M027300800002 REACTION (30-ZN-64(G,N)30-ZN-63,,SIG,,BRS) M027300800003 ENDBIB 1 0 M027300800004 NOCOMMON 0 0 M027300800005 DATA 2 13 M027300800006 EN DATA M027300800007 MEV MB M027300800008 11. 4. M027300800009 12. 18. M027300800010 13. 39. M027300800011 14. 63. M027300800012 15. 88. M027300800013 16. 108. M027300800014 17. 121. M027300800015 18. 123. M027300800016 19. 116. M027300800017 20. 100. M027300800018 21. 79. M027300800019 22. 56. M027300800020 23. 34. M027300800021 ENDDATA 15 0 M027300800022 ENDSUBENT 21 0 M027300899999 SUBENT M0273009 20071109 M044M027300900001 BIB 1 1 M027300900002 REACTION (51-SB-121(G,N)51-SB-120,,SIG,,BRS) M027300900003 ENDBIB 1 0 M027300900004 NOCOMMON 0 0 M027300900005 DATA 2 9 M027300900006 EN DATA M027300900007 MEV MB M027300900008 10. 57. M027300900009 11. 130. M027300900010 12. 264. M027300900011 13. 470. M027300900012 14. 658. M027300900013 15. 665. M027300900014 16. 591. M027300900015 17. 386. M027300900016 18. 189. M027300900017 ENDDATA 11 0 M027300900018 ENDSUBENT 17 0 M027300999999 SUBENT M0273010 20071109 M044M027301000001 BIB 1 1 M027301000002 REACTION (51-SB-123(G,N)51-SB-122,,SIG,,BRS) M027301000003 ENDBIB 1 0 M027301000004 NOCOMMON 0 0 M027301000005 DATA 2 9 M027301000006 EN DATA M027301000007 MEV MB M027301000008 10. 30. M027301000009 11. 69. M027301000010 12. 140. M027301000011 13. 249. M027301000012 14. 348. M027301000013 15. 362. M027301000014 16. 313. M027301000015 17. 204. M027301000016 18. 100. M027301000017 ENDDATA 11 0 M027301000018 ENDSUBENT 17 0 M027301099999 SUBENT M0273011 20071109 M044M027301100001 BIB 1 1 M027301100002 REACTION (73-TA-181(G,N)73-TA-180,,SIG,,BRS) M027301100003 ENDBIB 1 0 M027301100004 NOCOMMON 0 0 M027301100005 DATA 2 10 M027301100006 EN DATA M027301100007 MEV MB M027301100008 9. 6. M027301100009 10. 15. M027301100010 11. 30. M027301100011 12. 51. M027301100012 13. 73. M027301100013 14. 80. M027301100014 15. 72. M027301100015 16. 42. M027301100016 17. 23. M027301100017 18. 15. M027301100018 ENDDATA 12 0 M027301100019 ENDSUBENT 18 0 M027301199999 SUBENT M0273012 20071109 M044M027301200001 BIB 1 1 M027301200002 REACTION (16-S-32(G,N+P)15-P-30,,SIG,,BRS) M027301200003 ENDBIB 1 0 M027301200004 NOCOMMON 0 0 M027301200005 DATA 2 8 M027301200006 EN DATA M027301200007 MEV MB M027301200008 20. 0.0185 M027301200009 21. 0.048 M027301200010 22. 0.29 M027301200011 23. 1.62 M027301200012 24. 2.35 M027301200013 25. 3.63 M027301200014 26. 6.0 M027301200015 27. 2.0 M027301200016 ENDDATA 10 0 M027301200017 ENDSUBENT 16 0 M027301299999 SUBENT M0273013 20071109 M044M027301300001 BIB 1 1 M027301300002 REACTION (37-RB-87(G,A)35-BR-83,,SIG,,BRS) M027301300003 ENDBIB 1 0 M027301300004 NOCOMMON 0 0 M027301300005 DATA 2 13 M027301300006 EN DATA M027301300007 MEV MB M027301300008 15. 0.002 M027301300009 16. 0.005 M027301300010 17. 0.015 M027301300011 18. 0.027 M027301300012 19. 0.040 M027301300013 20. 0.052 M027301300014 21. 0.062 M027301300015 22. 0.071 M027301300016 23. 0.075 M027301300017 24. 0.075 M027301300018 25. 0.068 M027301300019 26. 0.050 M027301300020 27. 0.030 M027301300021 ENDDATA 15 0 M027301300022 ENDSUBENT 21 0 M027301399999 ENDENTRY 13 0 M027399999999