ENTRY 23040 20140304 22382304000000001 SUBENT 23040001 20140304 22382304000100001 BIB 15 65 2304000100002 TITLE The cross section of the 16O(n,a)13C reaction in the 2304000100003 MeV energy range 2304000100004 AUTHOR (G.Giorginis, V.Khryachkov, V.Corcalciuc, M.Kievets) 2304000100005 INSTITUTE (2ZZZGEL,4RUSFEI,3RUMBUC) 2304000100006 REFERENCE (C,2007NICE,1,525,2007) ND2007 Conf. Proc. 2304000100007 #doi:10.1051/ndata:07481 2304000100008 T(p,n) with TiT 214 ug/cm2 and D(d,n) data given 2304000100009 (S,EUR-23883,67,2010) EFNUDAT 2009 Workshop Proc. 2304000100010 T(p,n) with TiT 1941 ug/cm2 and D(d,n) data given 2304000100011 FACILITY (VDG,2ZZZGEL) 7 MV Van de Graaff 2304000100012 SAMPLE Mixture of Kr(97%) and CO2(3%) in ionization chamber 2304000100013 (3 bar) as oxygen target 2304000100014 DETECTOR (IOCH) Ionization chamber with Frisch grid: 2304000100015 Diameter of electrodes = 18 cm, 2304000100016 For T(p,n) with TiT 214 ug/cm2 and D(d,n) 2304000100017 measurements 2304000100018 Cathode-to-anode distance = 41 mm, 2304000100019 Grid-to-anode distance = 4 mm. 2304000100020 For T(p,n) with TiT 493 ug/cm2 and TiT 1941 ug/cm2 2304000100021 measurements 2304000100022 Cathode-to-anode distance = 42 mm, 2304000100023 Grid-to-anode distance = 3 mm. 2304000100024 (FISCH) 238U standard (549 ug/cm2 thick, 2.54 cm diam.)2304000100025 for flux determination. 2304000100026 Cathode-to-monitor anode distance = 1 mm. 2304000100027 PART-DET (A,FF) 2304000100028 MONITOR (92-U-238(N,F),,SIG) 2304000100029 MONIT-REF (,,3,ENDF/B-VI.8,,2001) 2304000100030 ERR-ANALYS Information commonly applied to all data sets: 2304000100031 (ERR-T) Total uncertainty (Quadrature sum, ~6.1%)2304000100032 (ERR-SYS) Total systematic uncertainty (3.5%)2304000100033 (ERR-1) Uncertainty in number of oxygen-16 (2.5%)2304000100034 - radii of surfaces of truncated cone (1.1%) 2304000100035 - height of gas volume (1%) 2304000100036 - pressure of detector gas (0.1%) 2304000100037 - temperature of detector gas (0.3%) 2304000100038 - content of CO2 as certified by producer (2%) 2304000100039 (ERR-2) Syst. uncertainty in number of events (2.5%)2304000100040 - Background suppression (1.2%) 2304000100041 - Neutron background from source materials (1.5%) 2304000100042 - Number of U-238 nuclei (<0.7%) 2304000100043 - Low energy monitor events by extrapolation(<1.5%) 2304000100044 (ERR-S,,5.) Statistics for (n,a) and monitor (<5%)2304000100045 COMMENT Georgios Giorginis (2014-03-05): 2304000100046 A detailed analysis of the Bair and Haas (1973) data 2304000100047 and their comparison with the back-corrected IRMM 2304000100048 cross sections (2014-01-24) showed that the IRMM 2304000100049 16O(n,alpha) data measured with T(p,n) neutrons and 2304000100050 in agreement with the 80% values of Bair and Haas 2304000100051 (1973) had to be upwards (re)normalised by a factor 2304000100052 of 1/0.8. 2304000100053 The data obtained with D(d,n) neutrons below 6 MeV 2304000100054 had to be upwards (re)normalised by a factor of 2304000100055 1.50/1.29. 2304000100056 Both (re)normalisations have been already applied to 2304000100057 the data sets under compilation in EXFOR. 2304000100058 REL-REF (N,C0489001,J.K.Bair+,J,PR/C,7,1356,1973) 2304000100059 13C(a,n)16O cross sections from ORNL given 2304000100060 STATUS (APRVD) Approved by Georgios Giorginis (2014-02-11) 2304000100061 HISTORY (20081015C) M.M. 2304000100062 (20110206U) SD: DOI identifier was corrected. 2304000100063 Ref. on 2007NICE Conf. abstract deleted. ERR-9, ERR-S 2304000100064 ERR-10 - corrected according to EXFOR rules. 2304000100065 FACILITY was added. 2304000100066 (20140129A) On. BIB updated (ERR-ANALYS etc.) 2304000100067 ENDBIB 65 0 2304000100068 COMMON 4 3 2304000100069 E-LVL ERR-SYS ERR-1 ERR-2 2304000100070 MEV PER-CENT PER-CENT PER-CENT 2304000100071 0. 3.5 2.5 2.5 2304000100072 ENDCOMMON 3 0 2304000100073 ENDSUBENT 72 0 2304000199999 SUBENT 23040002 20140304 22382304000200001 BIB 7 13 2304000200002 REACTION (8-O-16(N,A)6-C-13,PAR,SIG) 2304000200003 INC-SOURCE (P-T) 214 ug/cm2 TiT target with Ag backing 2304000200004 INC-SPECT Neutron energy resolution (FWHM) given in the data 2304000200005 table 2304000200006 CORRECTION Background due to backing was determined by Ti/Ag 2304000200007 blank run, and corrected. 2304000200008 COMMENT Compiler's comment: 2304000200009 Data received from G.Giorginis were multiplied by 2304000200010 1.17/0.8 as per his request. 2304000200011 STATUS (TABLE) Corresponding to Fig.7 of ND2007 Conf. Proc. 2304000200012 (PRELM) Preliminary data (G.Giorginis, 2011-09-05) 2304000200013 HISTORY (20110905R) On. Received from G.Giorginis (Data Set 1) 2304000200014 (20140304A) On. Authors' data included 2304000200015 ENDBIB 13 0 2304000200016 NOCOMMON 0 0 2304000200017 DATA 4 19 2304000200018 EN EN-RSL-FW DATA ERR-T 2304000200019 MEV KEV B B 2304000200020 3.950 12.3 0.03080 0.00200 2304000200021 4.000 12.2 0.05723 0.00383 2304000200022 4.025 12.1 0.08085 0.00534 2304000200023 4.050 12.1 0.09674 0.00629 2304000200024 4.075 12.1 0.09032 0.00573 2304000200025 4.100 12.0 0.07776 0.00582 2304000200026 4.125 12.0 0.08526 0.00759 2304000200027 4.150 11.9 0.12696 0.00895 2304000200028 4.175 11.9 0.14746 0.00937 2304000200029 4.200 11.8 0.15270 0.00921 2304000200030 4.225 11.8 0.12183 0.00785 2304000200031 4.250 11.7 0.12039 0.00633 2304000200032 4.275 11.7 0.11643 0.00791 2304000200033 4.300 11.7 0.13641 0.00981 2304000200034 4.315 11.6 0.16036 0.01126 2304000200035 4.325 11.6 0.15934 0.01107 2304000200036 4.350 11.6 0.12658 0.00832 2304000200037 4.375 11.5 0.08474 0.00620 2304000200038 4.400 11.5 0.05873 0.00448 2304000200039 ENDDATA 21 0 2304000200040 ENDSUBENT 39 0 2304000299999 SUBENT 23040003 20140304 22382304000300001 BIB 8 14 2304000300002 REACTION (8-O-16(N,A)6-C-13,PAR,SIG) 2304000300003 EXP-YEAR (2008) April 2008 2304000300004 INC-SOURCE (P-T) 1941 ug/cm2 TiT target with Ag backing 2304000300005 INC-SPECT Neutron energy resolution (FWHM) given in the data 2304000300006 table 2304000300007 CORRECTION Background due to backing was determined by Ti/Ag 2304000300008 blank run, and corrected. 2304000300009 COMMENT Compiler's comment: 2304000300010 Data received from G.Giorginis were multiplied by 2304000300011 1.17/0.8 as per his request. 2304000300012 STATUS (TABLE) Corresponding to Fig.6 of EFNUDAT2009 Proc. 2304000300013 (PRELM) Preliminary data (G.Giorginis, 2011-09-05) 2304000300014 HISTORY (20110905R) On. Received from G.Giorginis (Data Set 2) 2304000300015 (20140304A) On. Authors' data included 2304000300016 ENDBIB 14 0 2304000300017 NOCOMMON 0 0 2304000300018 DATA 4 30 2304000300019 EN EN-RSL-FW DATA ERR-T 2304000300020 MEV KEV B B 2304000300021 3.900 112.3 0.01730 0.00022 2304000300022 4.000 110.6 0.05872 0.00247 2304000300023 4.050 109.7 0.08186 0.00193 2304000300024 4.130 108.4 0.11254 0.00230 2304000300025 4.180 107.6 0.12735 0.00604 2304000300026 4.250 106.6 0.13206 0.00276 2304000300027 4.270 106.2 0.13196 0.00252 2304000300028 4.315 105.6 0.13322 0.00522 2304000300029 4.350 105.0 0.10160 0.00547 2304000300030 4.400 104.3 0.07141 0.00329 2304000300031 4.470 103.3 0.06545 0.00370 2304000300032 4.530 102.4 0.06777 0.00408 2304000300033 4.570 101.9 0.06688 0.00309 2304000300034 4.600 101.4 0.09497 0.00528 2304000300035 4.630 101.0 0.11018 0.00263 2304000300036 4.680 100.0 0.06868 0.00405 2304000300037 4.720 99.8 0.04875 0.00257 2304000300038 4.800 98.8 0.07051 0.00371 2304000300039 4.840 98.3 0.09544 0.00497 2304000300040 4.890 97.6 0.10088 0.00544 2304000300041 4.960 96.7 0.12737 0.00138 2304000300042 5.000 96.2 0.18340 0.00882 2304000300043 5.040 95.8 0.23058 0.00917 2304000300044 5.060 95.5 0.23751 0.00581 2304000300045 5.080 95.3 0.21782 0.00850 2304000300046 5.100 95.0 0.18890 0.00484 2304000300047 5.132 94.7 0.17562 0.00777 2304000300048 5.148 94.5 0.15557 0.00832 2304000300049 5.160 94.3 0.10382 0.00638 2304000300050 5.200 93.9 0.06211 0.00352 2304000300051 ENDDATA 32 0 2304000300052 ENDSUBENT 51 0 2304000399999 SUBENT 23040004 20140304 22382304000400001 BIB 8 14 2304000400002 REACTION (8-O-16(N,A)6-C-13,PAR,SIG) 2304000400003 EXP-YEAR (2008) November and December 2008 2304000400004 INC-SOURCE (P-T) 493 ug/cm2 TiT target with Au backing 2304000400005 INC-SPECT Neutron energy resolution (FWHM) given in the data 2304000400006 table 2304000400007 CORRECTION Background due to backing was determined by Ti/Au 2304000400008 blank run, and corrected. 2304000400009 COMMENT Compiler's comment: 2304000400010 Data received from G.Giorginis were multiplied by 2304000400011 1.17/0.8 as per his request. 2304000400012 STATUS (TABLE) Unpublished 2304000400013 (PRELM) Preliminary data (G.Giorginis, 2011-09-05) 2304000400014 HISTORY (20110905R) On. Received from G.Giorginis (Data Set 3) 2304000400015 (20140304C) On. Compiled with Authors' data 2304000400016 ENDBIB 14 0 2304000400017 NOCOMMON 0 0 2304000400018 DATA 4 28 2304000400019 EN EN-RSL-FW DATA ERR-T 2304000400020 MEV KEV B B 2304000400021 3.900 28.5 0.01794 0.00075 2304000400022 3.950 28.3 0.03244 0.00062 2304000400023 4.000 28.1 0.05556 0.00167 2304000400024 4.025 28.0 0.08491 0.00329 2304000400025 4.050 27.9 0.09265 0.00259 2304000400026 4.075 27.8 0.08689 0.00350 2304000400027 4.100 27.7 0.08877 0.00458 2304000400028 4.125 27.6 0.11544 0.00364 2304000400029 4.150 27.5 0.13844 0.00383 2304000400030 4.175 27.4 0.15647 0.00461 2304000400031 4.200 27.3 0.15043 0.00973 2304000400032 4.250 27.1 0.13006 0.00708 2304000400033 4.275 27.0 0.13113 0.00437 2304000400034 4.300 26.9 0.14467 0.00486 2304000400035 4.315 26.8 0.15067 0.00543 2304000400036 4.350 26.7 0.09837 0.00303 2304000400037 4.400 26.5 0.05872 0.00320 2304000400038 4.960 24.6 0.12899 0.00739 2304000400039 5.000 24.4 0.19043 0.01505 2304000400040 5.040 24.3 0.27698 0.01656 2304000400041 5.060 24.3 0.27893 0.01082 2304000400042 5.080 24.2 0.24137 0.00965 2304000400043 5.100 24.1 0.21581 0.01242 2304000400044 5.116 24.1 0.18846 0.01057 2304000400045 5.132 24.0 0.22035 0.01376 2304000400046 5.140 24.0 0.19600 0.01119 2304000400047 5.148 24.0 0.11627 0.00645 2304000400048 5.200 23.8 0.04415 0.00269 2304000400049 ENDDATA 30 0 2304000400050 ENDSUBENT 49 0 2304000499999 SUBENT 23040005 20140304 22382304000500001 BIB 7 16 2304000500002 REACTION (8-O-16(N,A)6-C-13,PAR,SIG) 2304000500003 EXP-YEAR (2006) 2304000500004 INC-SOURCE (D-D) 20 kPa (En<7.5 MeV) and 50 kPa (En>7.5 MeV) 2304000500005 deuterium gas with Mo entrance window of 5 um 2304000500006 (nominal) or 5.11+/-1.18 um (measured) and Ta beam 2304000500007 stopper 2304000500008 INC-SPECT Neutron energy resolution (FWHM) given in the data 2304000500009 table 2304000500010 COMMENT Compiler's comment: 2304000500011 Data received from G.Giorginis were multiplied by 2304000500012 1.3*1.50/1.29 (En=5.37 MeV and below) and by 1.3 2304000500013 (En=6.00 MeV and above) as per his request. 2304000500014 STATUS (TABLE) Corresponding to Fig.8 of ND2007 Conf. Proc. 2304000500015 (PRELM) Preliminary data (G.Giorginis, 2011-09-05) 2304000500016 HISTORY (20110905R) On. Received from G.Giorginis (Data Set 4) 2304000500017 (20140304C) On. Compiled with Authors' data 2304000500018 ENDBIB 16 0 2304000500019 NOCOMMON 0 0 2304000500020 DATA 4 55 2304000500021 EN EN-RSL-FW DATA ERR-T 2304000500022 MEV KEV B B 2304000500023 4.96 124. 0.15045 0.00331 2304000500024 5.00 123. 0.17730 0.00856 2304000500025 5.04 122. 0.22218 0.00559 2304000500026 5.08 121. 0.21677 0.01102 2304000500027 5.10 121. 0.17880 0.00819 2304000500028 5.37 113. 0.02685 0.00437 2304000500029 6.00 99. 0.05470 0.00716 2304000500030 6.06 98. 0.06406 0.00779 2304000500031 6.09 98. 0.08315 0.01076 2304000500032 6.12 98. 0.09734 0.01167 2304000500033 6.15 97. 0.09237 0.01180 2304000500034 6.18 97. 0.06733 0.01373 2304000500035 6.20 96. 0.08389 0.00239 2304000500036 6.25 95. 0.08082 0.00421 2304000500037 6.30 95. 0.09898 0.00438 2304000500038 6.35 93. 0.14815 0.00300 2304000500039 6.40 92. 0.20625 0.00932 2304000500040 6.43 92. 0.23717 0.01084 2304000500041 6.45 92. 0.24540 0.00666 2304000500042 6.50 91. 0.21740 0.00468 2304000500043 6.55 90. 0.25137 0.01073 2304000500044 6.60 90. 0.27079 0.01127 2304000500045 6.65 89. 0.23209 0.00615 2304000500046 6.70 88. 0.19856 0.00913 2304000500047 6.75 88. 0.17433 0.00727 2304000500048 6.80 87. 0.17597 0.00423 2304000500049 6.85 86. 0.16314 0.00568 2304000500050 6.90 85. 0.12043 0.00419 2304000500051 6.95 84. 0.12093 0.00250 2304000500052 7.00 84. 0.13798 0.00485 2304000500053 7.05 83. 0.14340 0.00471 2304000500054 7.10 82. 0.16266 0.00441 2304000500055 7.15 82. 0.23915 0.00616 2304000500056 7.20 81. 0.34454 0.01151 2304000500057 7.25 81. 0.32440 0.00640 2304000500058 7.30 80. 0.22883 0.00694 2304000500059 7.35 80. 0.19656 0.00317 2304000500060 7.42 79. 0.15376 0.00490 2304000500061 7.50 95. 0.11838 0.00672 2304000500062 7.55 94. 0.10773 0.00584 2304000500063 7.60 94. 0.10258 0.00250 2304000500064 7.65 92. 0.09894 0.00654 2304000500065 7.70 92. 0.07981 0.00402 2304000500066 7.75 91. 0.07652 0.00303 2304000500067 7.83 91. 0.07540 0.00385 2304000500068 7.90 90. 0.07939 0.00335 2304000500069 7.98 88. 0.06751 0.00372 2304000500070 8.12 87. 0.05468 0.00250 2304000500071 8.22 85. 0.05495 0.00307 2304000500072 8.40 83. 0.06343 0.00237 2304000500073 8.50 82. 0.07298 0.00497 2304000500074 8.68 81. 0.07617 0.00491 2304000500075 8.79 79. 0.05994 0.00420 2304000500076 8.90 78. 0.04268 0.00306 2304000500077 9.00 78. 0.03535 0.00246 2304000500078 ENDDATA 57 0 2304000500079 ENDSUBENT 78 0 2304000599999 ENDENTRY 5 0 2304099999999