ENTRY O1353 20081212 O038O135300000001 SUBENT O1353001 20081212 O038O135300100001 BIB 10 33 O135300100002 TITLE Neutron yield from a thick C-13 target irradiated by O135300100003 90-MeV protons. O135300100004 AUTHOR (O.Alyakrinskiy, A.Andrighetto, M.Barbui, O135300100005 S.Brandenburg, M.Cinausero, B.Dalena, P.Dendooven, O135300100006 E.Fioretto, G.Lhersonneau, W.Lyapin, G.Prete, O135300100007 G.Simonetti, L.Stroe, L.B.Tecchio, W.H.Trzaska) O135300100008 INSTITUTE (2ITYPAD) The Legnaro National Laboratory. O135300100009 (2NEDKVI) O135300100010 (2ITYBAU) O135300100011 (2SF HLS) O135300100012 (2SF JYV) Department of Physics O135300100013 REFERENCE (J,NIM/A,547,616,2005) O135300100014 (J,NIM/B,266,4330,2008) The same data. O135300100015 HISTORY (20051130C) By SB O135300100016 (20051210R) The data were received from the authors. O135300100017 (20060602A) According O.Schwererer remark all O135300100018 EN-SEC codes are excluded. O135300100019 (20081212A).New reference was added. O135300100020 ADD-RES (COMP) The comparison of TOF and activation data. O135300100021 The average energy integrated neutron distribution O135300100022 value from the present TOF and activation measurements O135300100023 is reported. O135300100024 Number of neutrons per proton emitted inside various O135300100025 cones- of angle 15, 30, 60 and 90-degree in the forwardO135300100026 direction, obtained by integrating the curves are O135300100027 reported. O135300100028 FACILITY (ISOCY,2NEDKVI) Superconducting cyclotron. O135300100029 PART-DET (N) O135300100030 COMMENT *By authors* In most of the energy range, spectra O135300100031 deduced from TOF are higher than those from activation.O135300100032 This deviation is of the order of the estimated scalingO135300100033 errors. O135300100034 STATUS (TABLE) The data were received from the authors. O135300100035 ENDBIB 33 0 O135300100036 COMMON 1 3 O135300100037 EN O135300100038 MEV O135300100039 90. O135300100040 ENDCOMMON 3 0 O135300100041 ENDSUBENT 40 0 O135300199999 SUBENT O1353002 20060602 O026O135300200001 BIB 6 21 O135300200002 REACTION (6-C-13(P,X)0-NN-1,,PY/DA/DE,,TT) O135300200003 SAMPLE Carbon target, consisted of graphite pills, diameter O135300200004 24-mm, height 16-mm, enriched to 82% in C-13, O135300200005 resulting in a density 0.67 g/cm**3. The pills were O135300200006 enclosed in a cylinder of 24.5-mm inner diameter with O135300200007 a wall thickness of 15-mm. The overall target length O135300200008 was 16-cm, equivalent to 10.7-g/cm**2, I.E. 20% larger O135300200009 than the proton range. O135300200010 DETECTOR (SCIN) EDEN-detectors. Each module is a cylinder of 20-O135300200011 cm diameter and 5-cm length containing NE213 liquid O135300200012 scintillator is used for neutron-gamma ray pulse shape O135300200013 discrimination. O135300200014 The proton detector placed in beam line upstream of theO135300200015 target was 2-mm thick NE102a plastic scintillator. O135300200016 REL-REF (R,,H.LAURENT+,J,NIM/A,326,517,1993) More details aboutO135300200017 EDEN-detectors. O135300200018 (R,O1026001,Z.RADIVOJEVIC+,J,NIM/A,194,251,2002) O135300200019 Neutron yields from a thick C-13-target irradiated by O135300200020 30-MeV protons. O135300200021 METHOD (TOF,PSD) O135300200022 ERR-ANALYS (ERR-S).The error is reported by authors in table. O135300200023 ENDBIB 21 0 O135300200024 NOCOMMON 0 0 O135300200025 DATA 4 96 O135300200026 E ANG DATA ERR-S O135300200027 MEV ADEG P/IN/MEVSR P/IN/MEVSR O135300200028 12.5 0. 3.15E-044.95691E-05 O135300200029 12.5 15. 2.6E-044.09356E-05 O135300200030 12.5 30. 2.87E-044.51443E-05 O135300200031 12.5 45. 1.82E-042.86472E-05 O135300200032 12.5 60. 1.27E-04 1.9897E-05 O135300200033 12.5 90. 7.66E-051.20452E-05 O135300200034 17.5 0. 3.01E-043.76493E-05 O135300200035 17.5 15. 2.51E-043.13064E-05 O135300200036 17.5 30. 2.59E-043.23504E-05 O135300200037 17.5 45. 1.58E-041.96931E-05 O135300200038 17.5 60. 1.05E-041.30564E-05 O135300200039 17.5 90. 4.94E-056.16087E-06 O135300200040 22.5 0. 2.78E-043.80909E-05 O135300200041 22.5 15. 2.48E-043.39735E-05 O135300200042 22.5 30. 2.35E-043.21392E-05 O135300200043 22.5 45. 1.34E-041.82766E-05 O135300200044 22.5 60. 7.72E-051.05674E-05 O135300200045 22.5 90. 2.87E-053.93395E-06 O135300200046 27.5 0. 2.61E-043.18717E-05 O135300200047 27.5 15. 2.27E-042.77231E-05 O135300200048 27.5 30. 1.93E-042.35238E-05 O135300200049 27.5 45. 9.54E-051.16083E-05 O135300200050 27.5 60. 5.6E-056.81869E-06 O135300200051 27.5 90. 1.74E-052.11743E-06 O135300200052 32.5 0. 2.44E-042.28078E-05 O135300200053 32.5 15. 2.14E-042.00147E-05 O135300200054 32.5 30. 1.76E-041.64661E-05 O135300200055 32.5 45. 8.95E-058.35333E-06 O135300200056 32.5 60. 4.39E-054.10231E-06 O135300200057 32.5 90. 1.25E-051.17207E-06 O135300200058 37.5 0. 2.45E-041.72209E-05 O135300200059 37.5 15. 2.04E-041.43329E-05 O135300200060 37.5 30. 1.63E-04 1.1482E-05 O135300200061 37.5 45. 7.66E-055.35117E-06 O135300200062 37.5 60. 3.3E-052.30879E-06 O135300200063 37.5 90. 7.1E-065.02405E-07 O135300200064 42.5 0. 2.36E-041.33002E-05 O135300200065 42.5 15. 1.89E-041.06796E-05 O135300200066 42.5 30. 1.3E-04 7.3326E-06 O135300200067 42.5 45. 5.94E-053.31607E-06 O135300200068 42.5 60. 2.78E-051.55465E-06 O135300200069 42.5 90. 5.89E-063.36388E-07 O135300200070 47.5 0. 2.11E-041.19104E-05 O135300200071 47.5 15. 1.85E-041.04509E-05 O135300200072 47.5 30. 1.09E-04 6.1771E-06 O135300200073 47.5 45. 4.42E-052.47235E-06 O135300200074 47.5 60. 2.2E-051.23258E-06 O135300200075 47.5 90. 4.71E-062.70841E-07 O135300200076 52.5 0. 1.9E-049.57067E-06 O135300200077 52.5 15. 1.53E-047.70961E-06 O135300200078 52.5 30. 7.82E-053.96602E-06 O135300200079 52.5 45. 3.45E-051.72152E-06 O135300200080 52.5 60. 1.73E-058.66655E-07 O135300200081 52.5 90. 4.24E-062.19932E-07 O135300200082 57.5 0. 1.48E-047.49376E-06 O135300200083 57.5 15. 1.22E-046.17571E-06 O135300200084 57.5 30. 4.96E-052.53094E-06 O135300200085 57.5 45. 2.34E-051.17405E-06 O135300200086 57.5 60. 9.77E-064.95014E-07 O135300200087 57.5 90. 3.19E-061.67435E-07 O135300200088 62.5 0. 1.03E-044.75703E-06 O135300200089 62.5 15. 8.62E-053.99056E-06 O135300200090 62.5 30. 2.74E-051.29759E-06 O135300200091 62.5 45. 1.56E-057.15854E-07 O135300200092 62.5 60. 7.27E-063.38778E-07 O135300200093 62.5 90. 3.26E-06 1.5721E-07 O135300200094 67.5 0. 5.16E-052.40654E-06 O135300200095 67.5 15. 5.44E-052.53209E-06 O135300200096 67.5 30. 1.67E-058.07821E-07 O135300200097 67.5 45. 8.3E-063.85519E-07 O135300200098 67.5 60. 6.88E-063.21378E-07 O135300200099 67.5 90. 1.89E-069.53991E-08 O135300200100 72.5 0. 2.76E-051.19829E-06 O135300200101 72.5 15. 2.44E-051.06642E-06 O135300200102 72.5 30. 1.1E-055.03974E-07 O135300200103 72.5 45. 8.15E-063.46237E-07 O135300200104 72.5 60. 5.28E-062.28151E-07 O135300200105 72.5 90. 2.54E-061.15074E-07 O135300200106 77.5 0. 2.38E-051.03723E-06 O135300200107 77.5 15. 1.68E-057.46111E-07 O135300200108 77.5 30. 1.07E-054.92729E-07 O135300200109 77.5 45. 5.78E-062.48765E-07 O135300200110 77.5 60. 4.74E-06 2.0605E-07 O135300200111 77.5 90. 1.96E-069.12814E-08 O135300200112 82.5 0. 2.12E-059.59142E-07 O135300200113 82.5 15. 1.74E-057.93297E-07 O135300200114 82.5 30. 7.7E-063.75004E-07 O135300200115 82.5 45. 4.5E-062.02309E-07 O135300200116 82.5 60. 4.23E-061.91155E-07 O135300200117 82.5 90. 1.23E-066.22079E-08 O135300200118 87.5 0. 1.13E-055.32618E-07 O135300200119 87.5 15. 1.18E-055.55002E-07 O135300200120 87.5 30. 3.53E-061.92756E-07 O135300200121 87.5 45. 6.17E-062.73607E-07 O135300200122 87.5 60. 2.72E-061.26448E-07 O135300200123 87.5 90. 1.28E-066.44433E-08 O135300200124 ENDDATA 98 0 O135300200125 ENDSUBENT 124 0 O135300299999 SUBENT O1353003 20060602 O026O135300300001 BIB 8 32 O135300300002 REACTION (6-C-13(P,X)0-NN-1,,PY/DA/DE,,TT) Table 1. OO135300300003 SAMPLE The foils-aluminium, cobalt, nickel and bismuth, each O135300300004 of 1-mm thickness and 25*25-mm**2 area, were placed at O135300300005 1-m distnce from the center of the converter target. O135300300006 The C-13 was submitted to a constant proton current of O135300300007 average 66-nanoamperes during 6-hr. O135300300008 DETECTOR (THRES).Aluminium, cobalt, nickel, bismuth. O135300300009 REL-REF (R,O0876001,N.PAUWELS+,J,NIM/B,160,315,2000) The choiceO135300300010 of foil to be activated was suggested by neutron O135300300011 production measurements performed by the SPIRAL-II O135300300012 collaboration for 200 MeV deutrons. O135300300013 METHOD (ACTIV) Threshold detectors activation. O135300300014 (BCINT) O135300300015 ERR-ANALYS The integrated quantities are accurate within 15-20%, O135300300016 this error being dominated by the detector efficiency, O135300300017 which has to include the consequences of finite foil O135300300018 thickness and extended foil area, which are enhanced byO135300300019 the close geometry. Parameters for self-absorption haveO135300300020 been determined by transmission measurements. O135300300021 The dependence of the efficiency on the foil area has O135300300022 been investigated by counting point sources placed at O135300300023 various locations. The actual efficiency is then O135300300024 calculated under assumption that the activity is O135300300025 uniformly produced inside the foils. O135300300026 COMMENT -By compiler. Published data in Table 1 of original O135300300027 paper and data which were received from authors are O135300300028 different a little. O135300300029 FLAG (1.) The value is extrapolated assuming to smooth O135300300030 energy and angular dependence. O135300300031 (2.) The datum is absent in original paper. O135300300032 (3.) The datum is different from published one a O135300300033 little. O135300300034 ENDBIB 32 0 O135300300035 NOCOMMON 0 0 O135300300036 DATA 4 30 O135300300037 E ANG DATA FLAG O135300300038 MEV ADEG P/IN/MEVSR NO-DIM O135300300039 2. 0. 2.9E-04 2. O135300300040 2. 12. 2.11E-04 1. O135300300041 2. 40. 1.51E-04 1. O135300300042 2. 70. 1.2E-04 O135300300043 2. 123. 9.9E-05 O135300300044 10. 0. 2.62E-04 2. O135300300045 10. 12. 1.91E-04 O135300300046 10. 40. 1.25E-04 O135300300047 10. 70. 7.E-05 O135300300048 10. 123. 5.9E-05 O135300300049 20. 0. 3.17E-04 2. O135300300050 20. 12. 2.31E-04 O135300300051 20. 40. 1.41E-04 O135300300052 20. 70. 5.6E-05 O135300300053 20. 123. 1.5E-05 O135300300054 40. 0. 2.5E-04 2. O135300300055 40. 12. 1.82E-04 O135300300056 40. 40. 6.E-05 O135300300057 40. 70. 1.25E-05 3. O135300300058 40. 123. 1.1E-06 O135300300059 60. 0. 1.E-04 1. O135300300060 60. 12. 7.28E-05 O135300300061 60. 40. 1.7E-05 O135300300062 60. 70. 2.3E-06 O135300300063 60. 123. 5.E-08 3. O135300300064 80. 0. 1.6E-05 1. O135300300065 80. 12. 1.2E-05 O135300300066 80. 40. 1.8E-06 O135300300067 80. 70. 2.4E-07 O135300300068 80. 123. 1.E-09 1. O135300300069 ENDDATA 32 0 O135300300070 ENDSUBENT 69 0 O135300399999 ENDENTRY 3 0 O135399999999