ENTRY 23544 20200402 22872354400000001 SUBENT 23544001 20200402 22872354400100001 BIB 10 44 2354400100002 TITLE Light charged particle release in 252Cf spontaneous 2354400100003 fission: tripartition versus fragment de-excitation 2354400100004 AUTHOR (A.Schubert,J.Hutsch,K.Moeller,W.Neubert,W.Pilz, 2354400100005 G.Schmidt,M.Adler,H.Maerten) 2354400100006 REFERENCE (J,ZP/A,341,481,1992) 2354400100007 (J,ZP/A,338,115,1991) 2354400100008 Preliminary short publication. Figs. only. 2354400100009 INSTITUTE (2GERZFK) A.Shubert,J.Hutsch,K.Moeller,W.Neubert, 2354400100010 W.Pilz,G.Schmidt 2354400100011 (2GERDRE) M.Adler,H.Maerten 2354400100012 SAMPLE Cf source of ~1.2E+5 fis./sec in 4PI sr. 2354400100013 DETECTOR (PS,PPAC) Position-sensitive parallel-plate 2354400100014 avalanche counters (POSI-PPAXs, 190mm*190mm area) 2354400100015 for LF and HF registration, 2354400100016 (TELES) dE-E semiconductor-detector telescope 2354400100017 consisting of 45microm thick surface barrier dE 2354400100018 detector of 15 mm diameter and Si(Li)-drift E-detector 2354400100019 with 3 mm depleted zone, to measure LCP. 2354400100020 Two PPACs and two telescopes. 2354400100021 METHOD (COINC) LF, HF and LCP in coincidence. 2354400100022 (TOF) LF from HF separation was done by their 2354400100023 TOF-spectrum. 2354400100024 (EDE) For LCP identification. Energy thresholds: 2354400100025 proton - 4 MeV, triton - 4.6 MeV, alpha - 12 MeV. 2354400100026 Average angle deflection (calculated) 2354400100027 2.0 deg for protons, 2354400100028 3.1 deg for tritons, maximally ~7.5 deg in the case 2354400100029 of extrimally light FF (70 amu). 2354400100030 Angle bin width 10 deg. 2354400100031 Measured relative ( alpha rate was taken 100.) 2354400100032 emission rates 2354400100033 - of tritons 2354400100034 5.6+-0.4 for energy interval 4.6 - 30 MeV, 2354400100035 6.8+-0.4 for extrapolation, 2354400100036 - of protons 2354400100037 2.4+-0.2 for energy interval 4-20 MeV, 2354400100038 1.3+-0.1 for 6-20 MeV. 2354400100039 CORRECTION Proton background from (n,p) reactions was measured. 2354400100040 For energy loss of LCP in environment materials. 2354400100041 Recoil correction was neglected. 2354400100042 Proton background from (alpha,p) reactions, neglected 2354400100043 for proton energy above 6 MeV. 2354400100044 ADD-RES (COMP) Monte-Carlo simulations. 2354400100045 HISTORY (20200402C) M.M. 2354400100046 ENDBIB 44 0 2354400100047 NOCOMMON 0 0 2354400100048 ENDSUBENT 47 0 2354400199999 SUBENT 23544002 20200402 22872354400200001 BIB 5 11 2354400200002 REACTION (98-CF-252(0,F)ELEM/MASS,,KE) 2354400200003 MISC-COL (MISC) FWHM of energy distribution 2354400200004 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2354400200005 article. 2354400200006 REL-REF (A,14549001,S.W.Cosper+,J,PR,154,1193,1967) 4, 2354400200007 (A,14543001,J.A.Adams+,J,NSE,63,41,1977) 12, 2354400200008 (A,41030001,W.T.Grachev+,J,YF,47,622,1988) 7 2354400200009 (A,12814009,J.F.Wild+,J,PR/C,32,488,1985) 26 2354400200010 STATUS (TABLE) Table 2 of 2354400200011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400200012 v.341,p.481,1992 2354400200013 ENDBIB 11 0 2354400200014 COMMON 1 3 2354400200015 ELEMENT 2354400200016 NO-DIM 2354400200017 1. 2354400200018 ENDCOMMON 3 0 2354400200019 DATA 5 2 2354400200020 MASS DATA DATA-ERR MISC MISC-ERR 2354400200021 NO-DIM MEV MEV MEV MEV 2354400200022 3. 8.3 0.2 6.2 0.6 2354400200023 2. 7.8 0.3 8.3 0.4 2354400200024 ENDDATA 4 0 2354400200025 ENDSUBENT 24 0 2354400299999 SUBENT 23544003 20200402 22872354400300001 BIB 3 16 2354400300002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DA,P+LF,MSC) 2354400300003 Angular distribution of protons from spontaneous 2354400300004 ternary fission, proton angle ANG-RL - relative to 2354400300005 the liht fragment, data units are 1/sr . 2354400300006 ERR-ANALYS .Quantization error (1/2 pixel): 2354400300007 scale X - 0.23 deg , scale Y - 0.34% . 2354400300008 Angles values were rounded according to 2354400300009 10 deg angle bin. 2354400300010 (DATA-ERR) Type of uncertainty is not explained in the 2354400300011 article. 2354400300012 STATUS (CURVE) Fig.10 bottom of 2354400300013 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400300014 v.341,p.481,1992 2354400300015 (COREL,23544004) Data from fig.3 in 2354400300016 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400300017 v.338,p.115,1991 2354400300018 ENDBIB 16 0 2354400300019 COMMON 5 3 2354400300020 E-MIN E-MAX ANG-ERR-D ERR-DIG ANG-ERR 2354400300021 MEV MEV ADEG PER-CENT ADEG 2354400300022 6. 20. 0.12 0.16 5. 2354400300023 ENDCOMMON 3 0 2354400300024 DATA 3 18 2354400300025 ANG-RL DATA DATA-ERR 2354400300026 ADEG 1/SR 1/SR 2354400300027 5. 9.17E-06 9.02E-07 2354400300028 15. 7.37E-06 6.09E-07 2354400300029 25. 6.90E-06 5.70E-07 2354400300030 35. 6.37E-06 4.77E-07 2354400300031 45. 4.56E-06 3.42E-07 2354400300032 55. 5.04E-06 3.77E-07 2354400300033 65. 4.06E-06 3.35E-07 2354400300034 75. 3.91E-06 3.23E-07 2354400300035 85. 3.12E-06 2.58E-07 2354400300036 95. 2.34E-06 2.30E-07 2354400300037 105. 1.93E-06 1.90E-07 2354400300038 115. 1.17E-06 1.15E-07 2354400300039 125. 1.22E-06 1.99E-07 2354400300040 135. 1.56E-06 2.43E-07 2354400300041 145. 1.39E-06 1.93E-07 2354400300042 155. 1.92E-06 2.99E-07 2354400300043 165. 2.25E-06 3.87E-07 2354400300044 175. 2.40E-06 4.13E-07 2354400300045 ENDDATA 20 0 2354400300046 ENDSUBENT 45 0 2354400399999 SUBENT 23544004 20200402 22872354400400001 BIB 3 14 2354400400002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DA,P+LF,REL) 2354400400003 Units are 1/sr ( ARB-UNITS are used for REL code) 2354400400004 ERR-ANALYS .Quantization error (1/2 pixel): 2354400400005 scale X - 0.12 deg , scale Y - 0.16% . 2354400400006 Angles values were rounded according to 2354400400007 10 deg angle bin. 2354400400008 (DATA-ERR) Type of uncertainty is not explained in the 2354400400009 article. 2354400400010 STATUS (CURVE) Fig.3 of 2354400400011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400400012 v.338,p.115,1991 2354400400013 (COREL,23544003) Data from fig.10 bottom in 2354400400014 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400400015 v.341,p.481,1992 2354400400016 ENDBIB 14 0 2354400400017 COMMON 3 3 2354400400018 ANG-ERR-D ERR-DIG ANG-ERR 2354400400019 ADEG PER-CENT ADEG 2354400400020 0.13 0.13 5. 2354400400021 ENDCOMMON 3 0 2354400400022 DATA 3 18 2354400400023 ANG-RL DATA DATA-ERR 2354400400024 ADEG ARB-UNITS ARB-UNITS 2354400400025 5. 1.41E-05 1.30E-06 2354400400026 15. 1.13E-05 8.28E-07 2354400400027 25. 1.05E-05 9.06E-07 2354400400028 35. 9.76E-06 6.53E-07 2354400400029 45. 6.89E-06 6.37E-07 2354400400030 55. 7.62E-06 7.03E-07 2354400400031 65. 6.16E-06 4.51E-07 2354400400032 75. 5.94E-06 4.73E-07 2354400400033 85. 4.78E-06 3.80E-07 2354400400034 95. 3.56E-06 3.06E-07 2354400400035 105. 2.93E-06 2.89E-07 2354400400036 115. 1.77E-06 1.97E-07 2354400400037 125. 1.84E-06 2.67E-07 2354400400038 135. 2.38E-06 2.82E-07 2354400400039 145. 2.12E-06 1.96E-07 2354400400040 155. 2.89E-06 3.04E-07 2354400400041 165. 3.43E-06 3.39E-07 2354400400042 175. 3.66E-06 5.06E-07 2354400400043 ENDDATA 20 0 2354400400044 ENDSUBENT 43 0 2354400499999 SUBENT 23544005 20200402 22872354400500001 BIB 3 12 2354400500002 REACTION (98-CF-252(0,F)2-HE-4,TER,FY/DA,A+LF,REL) 2354400500003 Units are 1/sr ( ARB-UNITS are used for REL code) 2354400500004 ERR-ANALYS .Quantization error (1/2 pixel): 2354400500005 scale X - 0.12 deg , scale Y - 0.61% . 2354400500006 Angles values were rounded according to 2354400500007 10 deg angle bin. 2354400500008 (DATA-ERR) Type of uncertainty is not explained in the 2354400500009 article. 2354400500010 STATUS (CURVE) Fig.10 top of 2354400500011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400500012 v.341,p.481,1992 2354400500013 Data are given also on Fig.2 of ZP/A,338,115,1991 2354400500014 ENDBIB 12 0 2354400500015 COMMON 3 3 2354400500016 ANG-ERR-D ERR-DIG ANG-ERR 2354400500017 ADEG PER-CENT ADEG 2354400500018 0.25 1.5 5. 2354400500019 ENDCOMMON 3 0 2354400500020 DATA 3 18 2354400500021 ANG-RL DATA DATA-ERR 2354400500022 ADEG ARB-UNITS ARB-UNITS 2354400500023 5. 2.99E-05 1.73E-06 2354400500024 15. 2.82E-05 1.63E-06 2354400500025 25. 2.38E-05 2.09E-06 2354400500026 35. 2.25E-05 1.98E-06 2354400500027 45. 2.18E-05 2354400500028 55. 5.66E-05 3.27E-06 2354400500029 65. 1.84E-04 2354400500030 75. 6.50E-04 2354400500031 85. 8.35E-04 2354400500032 95. 3.40E-04 2354400500033 105. 1.04E-04 2354400500034 115. 2.94E-05 2354400500035 125. 1.07E-05 2.15E-06 2354400500036 135. 8.30E-06 1.29E-06 2354400500037 145. 6.81E-06 1.21E-06 2354400500038 155. 6.99E-06 1.25E-06 2354400500039 165. 7.18E-06 1.28E-06 2354400500040 175. 7.38E-06 1.48E-06 2354400500041 ENDDATA 20 0 2354400500042 ENDSUBENT 41 0 2354400599999 SUBENT 23544006 20200402 22872354400600001 BIB 3 11 2354400600002 REACTION (98-CF-252(0,F)1-H-3,TER,FY/DA,T+LF,REL) 2354400600003 Units are 1/sr ( ARB-UNITS are used for REL code) 2354400600004 ERR-ANALYS .Quantization error (1/2 pixel): 2354400600005 scale X - 0.124 deg , scale Y - 0.64% . 2354400600006 Angles values were rounded according to 2354400600007 10 deg angle bin. 2354400600008 (DATA-ERR) Type of uncertainty is not explained in the 2354400600009 article. 2354400600010 STATUS (CURVE) Fig.2 of 2354400600011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400600012 v.338,p.115,1991 2354400600013 ENDBIB 11 0 2354400600014 COMMON 3 3 2354400600015 ANG-ERR-D ERR-DIG ANG-ERR 2354400600016 ADEG PER-CENT ADEG 2354400600017 0.24 1.74 5. 2354400600018 ENDCOMMON 3 0 2354400600019 DATA 3 18 2354400600020 ANG-RL DATA DATA-ERR 2354400600021 ADEG ARB-UNITS ARB-UNITS 2354400600022 5. 4.12E-06 2354400600023 15. 3.66E-06 4.59E-07 2354400600024 25. 3.25E-06 4.07E-07 2354400600025 35. 3.06E-06 2.83E-07 2354400600026 45. 3.06E-06 2.83E-07 2354400600027 55. 7.63E-06 6.46E-07 2354400600028 65. 1.90E-05 1.76E-06 2354400600029 75. 4.22E-05 2.42E-06 2354400600030 85. 5.03E-05 4.66E-06 2354400600031 95. 2.96E-05 1.80E-06 2354400600032 105. 1.18E-05 1.09E-06 2354400600033 115. 4.73E-06 1.42E-07 2354400600034 125. 2.40E-06 2.22E-07 2354400600035 135. 9.04E-07 2.41E-07 2354400600036 145. 1.14E-06 1.06E-07 2354400600037 155. 1.02E-06 1.27E-07 2354400600038 165. 1.08E-06 1.35E-07 2354400600039 175. 1.11E-06 2.54E-07 2354400600040 ENDDATA 20 0 2354400600041 ENDSUBENT 40 0 2354400699999 SUBENT 23544007 20200402 22872354400700001 BIB 3 12 2354400700002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DE,,REL) 2354400700003 Gross distribution . 2354400700004 Units are 1/MeV ( ARB-UNITS are used for REL code) 2354400700005 ERR-ANALYS .Quantization error (1/2 pixel): 2354400700006 scale X - 0.013 MeV , scale Y - 0.56% . 2354400700007 Energy values were rounded according to 2354400700008 0.5 MeV energy bin. 2354400700009 (DATA-ERR) Type of uncertainty is not explained in the 2354400700010 article. 2354400700011 STATUS (CURVE) Fig.11 top left of 2354400700012 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400700013 v.341,p.481,1992 2354400700014 ENDBIB 12 0 2354400700015 COMMON 3 3 2354400700016 E-ERR-DIG ERR-DIG E-ERR 2354400700017 MEV PER-CENT MEV 2354400700018 0.015 0.60 0.25 2354400700019 ENDCOMMON 3 0 2354400700020 DATA 3 32 2354400700021 E DATA DATA-ERR 2354400700022 MEV ARB-UNITS ARB-UNITS 2354400700023 4.25 3.506E-05 2.824E-06 2354400700024 4.75 1.697E-05 2.806E-06 2354400700025 5.25 1.342E-05 1.926E-06 2354400700026 5.75 1.176E-05 1.426E-06 2354400700027 6.25 9.544E-06 1.040E-06 2354400700028 6.75 9.770E-06 2354400700029 7.25 6.967E-06 9.998E-07 2354400700030 7.75 8.113E-06 2354400700031 8.25 7.298E-06 7.941E-07 2354400700032 8.75 8.073E-06 7.922E-07 2354400700033 9.25 7.262E-06 1.001E-06 2354400700034 9.75 7.059E-06 6.926E-07 2354400700035 10.25 7.041E-06 8.528E-07 2354400700036 10.75 5.712E-06 2354400700037 11.25 6.157E-06 8.485E-07 2354400700038 11.75 4.744E-06 5.162E-07 2354400700039 12.25 4.053E-06 5.812E-07 2354400700040 12.75 3.204E-06 5.295E-07 2354400700041 13.25 2.809E-06 3.403E-07 2354400700042 13.75 2.279E-06 3.769E-07 2354400700043 14.25 1.543E-06 2.215E-07 2354400700044 14.75 1.252E-06 1.229E-07 2354400700045 15.25 6.722E-07 1.530E-07 2354400700046 15.75 7.434E-07 1.245E-07 2354400700047 16.25 7.415E-07 1.940E-07 2354400700048 16.75 3.155E-07 8.403E-08 2354400700049 17.25 2.627E-07 7.492E-08 2354400700050 17.75 7.393E-08 4.399E-08 2354400700051 18.25 1.443E-07 6.284E-08 2354400700052 18.75 2.362E-08 2.028E-08 2354400700053 19.25 4.493E-08 3.036E-08 2354400700054 19.75 2.412E-08 2.307E-08 2354400700055 ENDDATA 34 0 2354400700056 ENDSUBENT 55 0 2354400799999 SUBENT 23544008 20200402 22872354400800001 BIB 3 11 2354400800002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DE,,MSC) 2354400800003 Distribution for angular interval 60 - 120 deg. 2354400800004 ERR-ANALYS .Quantization error (1/2 pixel): 2354400800005 scale X - 0.013 MeV , scale Y - 0.36% . 2354400800006 Energy values were rounded according to 2354400800007 0.5 MeV energy bin. 2354400800008 (DATA-ERR) Type of uncertainty is not explained in the 2354400800009 article. 2354400800010 STATUS (CURVE) Fig.11 top right of 2354400800011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400800012 v.341,p.481,1992 2354400800013 ENDBIB 11 0 2354400800014 COMMON 3 3 2354400800015 E-ERR-DIG ERR-DIG E-ERR 2354400800016 MEV PER-CENT MEV 2354400800017 0.012 1.03 0.25 2354400800018 ENDCOMMON 3 0 2354400800019 DATA 3 23 2354400800020 E DATA DATA-ERR 2354400800021 MEV 1/MEV 1/MEV 2354400800022 4.25 1.10E-05 1.13E-06 2354400800023 4.75 7.90E-06 9.56E-07 2354400800024 5.25 6.81E-06 1.12E-06 2354400800025 5.75 7.15E-06 1.08E-06 2354400800026 6.25 6.17E-06 2354400800027 6.75 5.87E-06 7.11E-07 2354400800028 7.25 5.14E-06 5.30E-07 2354400800029 7.75 4.66E-06 6.50E-07 2354400800030 8.25 4.09E-06 4.95E-07 2354400800031 8.75 4.36E-06 5.28E-07 2354400800032 9.25 3.95E-06 4.78E-07 2354400800033 9.75 2.34E-06 4.15E-07 2354400800034 10.25 2.67E-06 2354400800035 10.75 1.66E-06 2.94E-07 2354400800036 11.25 1.50E-06 2.96E-07 2354400800037 11.75 1.30E-06 2.55E-07 2354400800038 12.25 9.19E-07 2.36E-07 2354400800039 12.75 6.31E-07 1.75E-07 2354400800040 13.25 3.80E-07 1.30E-07 2354400800041 13.75 3.67E-07 1.34E-07 2354400800042 14.25 1.08E-07 6.54E-08 2354400800043 14.75 2.56E-07 1.05E-07 2354400800044 15.25 5.52E-08 4.74E-08 2354400800045 ENDDATA 25 0 2354400800046 ENDSUBENT 45 0 2354400899999 SUBENT 23544009 20200402 22872354400900001 BIB 3 11 2354400900002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DE,,MSC) 2354400900003 Distribution for angular interval 0 - 25 deg. 2354400900004 ERR-ANALYS .Quantization error (1/2 pixel): 2354400900005 scale X - 0.012 MeV , scale Y - 0.62% . 2354400900006 Energy values were rounded according to 2354400900007 1. MeV energy bin. 2354400900008 (DATA-ERR) Type of uncertainty is not explained in the 2354400900009 article. 2354400900010 STATUS (CURVE) Fig.11 bottom left of 2354400900011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354400900012 v.341,p.481,1992 2354400900013 ENDBIB 11 0 2354400900014 COMMON 3 3 2354400900015 E-ERR-DIG ERR-DIG E-ERR 2354400900016 MEV PER-CENT MEV 2354400900017 0.012 0.90 0.5 2354400900018 ENDCOMMON 3 0 2354400900019 DATA 3 14 2354400900020 E DATA DATA-ERR 2354400900021 MEV 1/MEV 1/MEV 2354400900022 6.5 1.51E-07 2.37E-08 2354400900023 7.5 1.63E-07 1.75E-08 2354400900024 8.5 3.38E-07 3.64E-08 2354400900025 9.5 5.28E-07 4.32E-08 2354400900026 10.5 5.54E-07 6.69E-08 2354400900027 11.5 6.51E-07 7.86E-08 2354400900028 12.5 4.71E-07 6.27E-08 2354400900029 13.5 3.41E-07 3.67E-08 2354400900030 14.5 2.14E-07 3.37E-08 2354400900031 15.5 1.27E-07 2.30E-08 2354400900032 16.5 7.53E-08 1.40E-08 2354400900033 17.5 5.01E-08 1.45E-08 2354400900034 18.5 2.23E-08 8.57E-09 2354400900035 19.5 5.79E-09 4.04E-09 2354400900036 ENDDATA 16 0 2354400900037 ENDSUBENT 36 0 2354400999999 SUBENT 23544010 20200402 22872354401000001 BIB 3 11 2354401000002 REACTION (98-CF-252(0,F)1-H-1,TER,FY/DE,,MSC) 2354401000003 Distribution for angular interval 155 - 180 deg. 2354401000004 ERR-ANALYS .Quantization error (1/2 pixel): 2354401000005 scale X - 0.013 MeV , scale Y - 0.63% . 2354401000006 Energy values were rounded according to 2354401000007 0.5 MeV energy bin. 2354401000008 (DATA-ERR) Type of uncertainty is not explained in the 2354401000009 article. 2354401000010 STATUS (CURVE) Fig.11 bottom right of 2354401000011 Zeitschrift fuer Physik A, Hadrons and Nuclei, 2354401000012 v.341,p.481,1992 2354401000013 ENDBIB 11 0 2354401000014 COMMON 3 3 2354401000015 E-ERR-DIG ERR-DIG E-ERR 2354401000016 MEV PER-CENT MEV 2354401000017 0.0069 0.72 0.5 2354401000018 ENDCOMMON 3 0 2354401000019 DATA 3 14 2354401000020 E DATA DATA-ERR 2354401000021 MEV 1/MEV 1/MEV 2354401000022 6.5 3.95E-08 1.30E-08 2354401000023 7.5 3.04E-08 9.45E-09 2354401000024 8.5 1.20E-07 2.18E-08 2354401000025 9.5 1.68E-07 3.06E-08 2354401000026 10.5 2.81E-07 3.04E-08 2354401000027 11.5 1.93E-07 3.50E-08 2354401000028 12.4 1.53E-07 2.78E-08 2354401000029 13.5 1.25E-07 1.97E-08 2354401000030 14.5 5.57E-08 1.51E-08 2354401000031 15.5 4.54E-08 1.32E-08 2354401000032 16.5 2.41E-08 9.72E-09 2354401000033 17.5 3.11E-08 1.09E-08 2354401000034 18.5 4.55E-09 3.52E-09 2354401000035 19.5 1.60E-08 7.95E-09 2354401000036 ENDDATA 16 0 2354401000037 ENDSUBENT 36 0 2354401099999 ENDENTRY 10 0 2354499999999