ENTRY 30635 20211005 32023063500000001 SUBENT 30635001 20211005 32023063500100001 BIB 14 35 3063500100002 TITLE Study of the reaction 12C(n,3a)n from threshold to 3063500100003 En=35 MeV 3063500100004 AUTHOR (B.Antolkovic, I.Slaus, D.Plenkovic, P.Macq, 3063500100005 J.P.Meulders) 3063500100006 INSTITUTE (3CRORBZ,2BLGLVN) 3063500100007 REFERENCE (J,NP/A,394,87,1983) 3063500100008 (C,82ANTWER,,926,1982) Prelim. data in tables 3063500100009 REL-REF (O,23439001,B.Antolkovic+,J,RR,97,253,1984) 3063500100010 Kerma and alpha spectra compiled separately 3063500100011 (N,22231001,B.Antolkovic+,J,NSE,107,1,1991) 3063500100012 Similar experiment done by the same author 3063500100013 FACILITY (CYCLO,2BLGLVN) 3063500100014 INC-SOURCE (D-BE) 55 MeV deuteron beam used. 3063500100015 Uncertainty in neutron flux determination is 10% and 3063500100016 17% below and above 26 MeV. 3063500100017 INC-SPECT Incident energies were determined through kinematical 3063500100018 analysis of the alpha products. 3063500100019 SAMPLE Ilford K2 200 um nuclear emulsion 3063500100020 (12C:0.277 g/cm3, 14N:0.074 g/cm3, 16O:0.249 g/cm3) 3063500100021 DETECTOR (PLATE) 3063500100022 PART-DET (A) 0.6 MeV alpha particle low energy cut-off 3063500100023 CORRECTION Corrected for event losses due to 3063500100024 C1: finite size of emulsion 3063500100025 C2: too short projection to the scanning plane 3063500100026 C3: low energy alpha (<0.6 MeV) 3063500100027 ERR-ANALYS (ERR-S) Statistical errors in determining the number 3063500100028 of events per 1 MeV energy interval, which have all 3063500100029 three alpha-particle energies above the 0.6 MeV 3063500100030 threshold 3063500100031 HISTORY (19821007C) Compiled by VP. 3063500100032 (19830324A) OS. Main ref. added,1 data point in 3063500100033 subentry 3 changed according to Nucl.Phys.394,87. 3063500100034 (20090725U) SD: Updated to new date formats, lower case3063500100035 (20190516A) On. Major revisions in 002-004. 3063500100036 (20210930A) VS. SF8=MSC and free text added in 002. 3063500100037 ENDBIB 35 0 3063500100038 NOCOMMON 0 0 3063500100039 ENDSUBENT 38 0 3063500199999 SUBENT 30635002 20211005 32023063500200001 BIB 6 17 3063500200002 REACTION (6-C-12(N,N+2A)2-HE-4,,SIG,,MSC) 3063500200003 12C(n,n+3a) cross section excluding contribution from3063500200004 12C(n,inl)12C to 9.63 MeV excited state. 3063500200005 MISC-COL (MISC1) Neutron flux (F) 3063500200006 (MISC2) Correction for finite emulsion size and too 3063500200007 short projection to the scanning plane (C1*C2) 3063500200008 (MISC3) Correction for low energy alpha (C3) 3063500200009 ERR-ANALYS (ERR-1) Uncertainty in the neutron flux F 3063500200010 (ERR-2) Uncertainty in the correction factor C1*C2 3063500200011 (ERR-3) Uncertainty in the correction factor C3 3063500200012 COMMENT By compiler (2019-05-16): 3063500200013 The authors could not detect the 7.65 MeV state of 3063500200014 12C due to detection threshold. Probably 12C(n,n2)12C 3063500200015 contribution is excluded in this data set. 3063500200016 STATUS (TABLE) Table 1 of Nucl.Phys.A394(1983)87 3063500200017 HISTORY (20190516A) On. Data table updated. 3063500200018 (20210930A) VS. SF8=MSC and free text added. 3063500200019 ENDBIB 17 0 3063500200020 NOCOMMON 0 0 3063500200021 DATA 9 25 3063500200022 EN DATA ERR-S ERR-1 ERR-2 ERR-3 3063500200023 MISC1 MISC2 MISC3 3063500200024 MEV MB MB PER-CENT PER-CENT PER-CENT 3063500200025 P/MEVMUCSR NO-DIM NO-DIM 3063500200026 11. 33. 20. 10. 7.4 28. 3063500200027 1.45E+10 1.22 2.61 3063500200028 12. 76. 40. 10. 6.5 25. 3063500200029 1.58E+10 1.21 2.24 3063500200030 13. 130. 49. 10. 5.8 23. 3063500200031 1.68E+10 1.19 1.90 3063500200032 14. 301. 89. 10. 5.1 21. 3063500200033 1.76E+10 1.18 1.69 3063500200034 15. 312. 84. 10. 4.4 18. 3063500200035 1.89E+10 1.18 1.52 3063500200036 16. 429. 97. 10. 3.8 15. 3063500200037 2.05E+10 1.17 1.46 3063500200038 17. 349. 76. 10. 3.4 13. 3063500200039 2.26E+10 1.17 1.40 3063500200040 18. 367. 74. 10. 3.0 12. 3063500200041 2.52E+10 1.17 1.35 3063500200042 19. 367. 70. 10. 2.6 11. 3063500200043 2.80E+10 1.17 1.32 3063500200044 20. 320. 59. 10. 2.3 10. 3063500200045 3.02E+10 1.17 1.29 3063500200046 21. 323. 59. 10. 2.2 10. 3063500200047 3.26E+10 1.17 1.27 3063500200048 22. 356. 62. 10. 2.2 9. 3063500200049 3.26E+10 1.17 1.26 3063500200050 23. 320. 57. 10. 2.2 9. 3063500200051 3.10E+10 1.17 1.24 3063500200052 24. 328. 56. 10. 2.2 8. 3063500200053 2.90E+10 1.18 1.23 3063500200054 25. 287. 50. 10. 2.3 7. 3063500200055 2.70E+10 1.18 1.22 3063500200056 26. 336. 57. 10. 2.3 7. 3063500200057 2.48E+10 1.18 1.21 3063500200058 27. 291. 57. 13. 2.4 6. 3063500200059 2.19E+10 1.19 1.20 3063500200060 28. 287. 60. 15. 2.6 6. 3063500200061 1.90E+10 1.19 1.19 3063500200062 29. 283. 63. 16. 2.8 5. 3063500200063 1.64E+10 1.20 1.18 3063500200064 30. 244. 60. 17. 2.9 5. 3063500200065 1.40E+10 1.20 1.18 3063500200066 31. 313. 56. 15. 3.0 4. 3063500200067 1.22E+10 1.21 1.17 3063500200068 32. 280. 66. 16. 3.1 4. 3063500200069 1.05E+10 1.21 1.17 3063500200070 33. 289. 71. 17. 3.4 4. 3063500200071 0.90E+10 1.22 1.16 3063500200072 34. 310. 73. 15. 3.6 4. 3063500200073 0.78E+10 1.22 1.16 3063500200074 35. 256. 62. 13. 3.8 4. 3063500200075 0.70E+10 1.23 1.15 3063500200076 ENDDATA 54 0 3063500200077 ENDSUBENT 76 0 3063500299999 SUBENT 30635003 20190516 31893063500300001 BIB 6 9 3063500300002 REACTION (6-C-12(N,N+A)4-BE-8,PAR,SIG) 3063500300003 MISC-COL (MISC3) Correction for low energy alpha (C3) 3063500300004 ERR-ANALYS (ERR-1) Uncertainty in the neutron flux F 3063500300005 COMMENT By compiler (2019-05-16): 3063500300006 The authors could not detect the 7.65 MeV state of 3063500300007 12C due to detection threshold. Probably 12C(n,n2)12C->3063500300008 8Be(g.s.)+a contribution is excluded in this data set. 3063500300009 STATUS (TABLE) Table 2 of Nucl.Phys.A394(1983)87 3063500300010 HISTORY (20190516A) On. Data table updated. 3063500300011 ENDBIB 9 0 3063500300012 COMMON 1 3 3063500300013 E-LVL 3063500300014 MEV 3063500300015 0. 3063500300016 ENDCOMMON 3 0 3063500300017 DATA 6 25 3063500300018 EN DATA ERR-S ERR-1 MISC1 MISC3 3063500300019 MEV MB MB PER-CENT P/MEVMUCSR NO-DIM 3063500300020 11. 27. 17. 10. 1.45E+10 2.61 3063500300021 12. 56. 24. 10. 1.58E+10 2.30 3063500300022 13. 76. 33. 10. 1.68E+10 2.06 3063500300023 14. 187. 64. 10. 1.76E+10 1.87 3063500300024 15. 147. 46. 10. 1.89E+10 1.74 3063500300025 16. 155. 42. 10. 2.05E+10 1.64 3063500300026 17. 146. 39. 10. 2.26E+10 1.57 3063500300027 18. 114. 29. 10. 2.52E+10 1.52 3063500300028 19. 87. 25. 10. 2.80E+10 1.48 3063500300029 20. 80. 20. 10. 3.02E+10 1.45 3063500300030 21. 98. 23. 10. 3.26E+10 1.43 3063500300031 22. 104. 22. 10. 3.26E+10 1.41 3063500300032 23. 44. 13. 10. 3.10E+10 1.39 3063500300033 24. 66. 17. 10. 2.90E+10 1.37 3063500300034 25. 44. 13. 10. 2.70E+10 1.36 3063500300035 26. 73. 18. 10. 2.48E+10 1.35 3063500300036 27. 45. 14. 13. 2.19E+10 1.34 3063500300037 28. 31. 11. 15. 1.90E+10 1.33 3063500300038 29. 55. 18. 16. 1.64E+10 1.32 3063500300039 30. 46. 17. 17. 1.40E+10 1.31 3063500300040 31. 55. 19. 15. 1.22E+10 1.30 3063500300041 32. 38. 16. 16. 1.05E+10 1.29 3063500300042 33. 38. 17. 17. 0.90E+10 1.28 3063500300043 34. 50. 20. 15. 0.78E+10 1.27 3063500300044 35. 47. 20. 13. 0.70E+10 1.26 3063500300045 ENDDATA 27 0 3063500300046 ENDSUBENT 45 0 3063500399999 SUBENT 30635004 20190516 31893063500400001 BIB 5 5 3063500400002 REACTION (6-C-12(N,INL)6-C-12,PAR,SIG) 3063500400003 MISC-COL (MISC3) Correction for low energy alpha (C3) 3063500400004 ERR-ANALYS (ERR-1) Uncertainty in the neutron flux F 3063500400005 STATUS (TABLE) Table 3 of Nucl.Phys.A394(1983)87 3063500400006 HISTORY (20190516A) On. Data table updated. 3063500400007 ENDBIB 5 0 3063500400008 COMMON 1 3 3063500400009 E-LVL 3063500400010 MEV 3063500400011 9.63 3063500400012 ENDCOMMON 3 0 3063500400013 DATA 6 25 3063500400014 EN DATA ERR-S ERR-1 MISC1 MISC3 3063500400015 MEV MB MB PER-CENT P/MEVMUCSR NO-DIM 3063500400016 11. 25. 20. 10. 1.45E+10 2.61 3063500400017 12. 49. 23. 10. 1.58E+10 2.53 3063500400018 13. 84. 37. 10. 1.68E+10 2.44 3063500400019 14. 118. 44. 10. 1.76E+10 2.36 3063500400020 15. 76. 29. 10. 1.89E+10 2.28 3063500400021 16. 86. 29. 10. 2.05E+10 2.21 3063500400022 17. 65. 23. 10. 2.26E+10 2.13 3063500400023 18. 70. 22. 10. 2.52E+10 2.07 3063500400024 19. 40. 15. 10. 2.80E+10 2.01 3063500400025 20. 29. 11. 10. 3.02E+10 1.94 3063500400026 21. 52. 16. 10. 3.26E+10 1.89 3063500400027 22. 53. 16. 10. 3.26E+10 1.83 3063500400028 23. 9. 6. 10. 3.10E+10 1.78 3063500400029 24. 16. 8. 10. 2.90E+10 1.74 3063500400030 25. 11. 6. 10. 2.70E+10 1.70 3063500400031 26. 30. 11. 10. 2.48E+10 1.66 3063500400032 27. 24. 10. 13. 2.19E+10 1.62 3063500400033 28. 11. 7. 15. 1.90E+10 1.59 3063500400034 29. 8. 6. 16. 1.64E+10 1.56 3063500400035 30. 18. 10. 17. 1.40E+10 1.53 3063500400036 31. 28. 12. 15. 1.22E+10 1.50 3063500400037 32. 16. 10. 16. 1.05E+10 1.48 3063500400038 33. 6. 6. 17. 0.90E+10 1.45 3063500400039 34. 14. 10. 15. 0.78E+10 1.43 3063500400040 35. 7. 7. 13. 0.70E+10 1.42 3063500400041 ENDDATA 27 0 3063500400042 ENDSUBENT 41 0 3063500499999 ENDENTRY 4 0 3063599999999