ENTRY 23587 20210220 22992358700000001 SUBENT 23587001 20210220 22992358700100001 BIB 13 49 2358700100002 TITLE Mass and energy distribution of fragments from the 2358700100003 245Cm(nth,f) reaction 2358700100004 AUTHOR (P.Koczon, M.Mutterer, J.P.Theobald, M.S.Moore, 2358700100005 F.Goennenwein, P.Geltenbort, A.Oed, J.Pannicke) 2358700100006 REFERENCE (J,RE,93,49,1986) Main ref. 2358700100007 (J,PL/B,191,249,1987) Exp.details, plots (see ADD-RES).2358700100008 INSTITUTE (2FR ILL) F.Goennenwein,P.Geltenbort,A.Oed,,J.Pannicke 2358700100009 (2GERTHD) P.Koczon,M.Muttere,J.P.Theobald 2358700100010 (1USALAS) M.S.Moore 2358700100011 FACILITY (REAC,2FR ILL) 2358700100012 INC-SOURCE (REAC) 2358700100013 INC-SPECT Thermal neutrons flux 5.E+9 n/(cm2*sec) 2358700100014 SAMPLE 44 ug/cm2 thickness, deposited on thick backing. 2358700100015 Cm-245 - 74.%, Cm-244 - 13.%,Cm-240 - 10.%, 2358700100016 Pu-240 - 10.%, 2358700100017 DETECTOR Cosi Fan Tutte time-of-flight spectrometer of 2358700100018 (IOCH) two transmission time-pick-of detectors (start 2358700100019 and stop), high-resolution coaxial ionization chamber. 2358700100020 For fission fragment detection. 2358700100021 Spectrometer was calibrated with 30ug/cm2 thick U-233 2358700100022 sample using known kinetic energy and mass yields. 2358700100023 Time resolution < 100 psec, 2358700100024 energy resolution <500 keV, 2358700100025 mass resolution < 0.7 amu for light fragment, 2358700100026 < 1.2 amu for heavy fragment. 2358700100027 (SIBAR) 16 silicon surface barrier detectors of 400 um 2358700100028 thickness, 600 mm2 area each - to detect LRA particles.2358700100029 Energy resolution < 40 keV for 5.4 MeV alpha particles.2358700100030 These detectors were arranged in 4 rows centered at 2358700100031 angles 74, 82, 90 , 98 deg relative to the fission 2358700100032 fragment path. 2358700100033 METHOD (TOF) 107 cm distance from start to stop detectors. 2358700100034 ANALYSIS Masses were evaluated from kinetic energy and velocity 2358700100035 of the fission fragments taking into account energy 2358700100036 losses in time-pick-of detectors and in the entrance 2358700100037 window of the ionization chamber. 2358700100038 ADD-RES - Plot of fission yield dependence from mass and energ2358700100039 of fission fragments are on 2358700100040 Fig.2 of Radiation Effects,v.93,p.49,1986, 2358700100041 Fig.2 of Physics Letters,Section B,191,249,1987. 2358700100042 - Relative ( counts) mass yields distributions for 2358700100043 "cold" and "hot" fragmentation are on 2358700100044 Fig.3 of Radiation Effects,v.93,p.49,1986 for highest 2358700100045 energy (corridor width 1.5 MeV), 2358700100046 Fig.4 a,b of Physics Letters,Section B,191,249,1987 for2358700100047 highest and lowest kinetic energy boarder. 2358700100048 These plots were not digitized according to a comment 2358700100049 of N.Otsuka (NDS,IAEA). 2358700100050 HISTORY (20210220C) M.M. 2358700100051 ENDBIB 49 0 2358700100052 COMMON 1 3 2358700100053 EN-DUMMY 2358700100054 EV 2358700100055 0.0253 2358700100056 ENDCOMMON 3 0 2358700100057 ENDSUBENT 56 0 2358700199999 SUBENT 23587002 20210220 22992358700200001 BIB 3 6 2358700200002 REACTION 1(96-CM-245(N,F),SEC,AKE,LF) 2358700200003 2(96-CM-245(N,F),SEC,AKE,HF) 2358700200004 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2358700200005 article. 2358700200006 STATUS (TABLE) Text page 50 of 2358700200007 Radiation Effects,v.93,p.49,1986 2358700200008 ENDBIB 6 0 2358700200009 NOCOMMON 0 0 2358700200010 DATA 4 1 2358700200011 DATA 1DATA-ERR 1DATA 2DATA-ERR 2 2358700200012 MEV MEV MEV MEV 2358700200013 102.7 0.6 78.2 0.6 2358700200014 ENDDATA 3 0 2358700200015 ENDSUBENT 14 0 2358700299999 SUBENT 23587003 20210220 22992358700300001 BIB 3 5 2358700300002 REACTION (96-CM-245(N,F)MASS,SEC,FY) 2358700300003 ERR-ANALYS Quantization errors (1/2 pixel): 2358700300004 scale X - 0.029 amu, scale Y - 0.0090 %/fis. 2358700300005 article. 2358700300006 STATUS (CURVE) Fig.1 b) of Radiation Effects,v.93,p.49,1986 2358700300007 ENDBIB 5 0 2358700300008 COMMON 2 3 2358700300009 MASS-ERR-D ERR-DIG 2358700300010 NO-DIM PC/FIS 2358700300011 0.018 0.0056 2358700300012 ENDCOMMON 3 0 2358700300013 DATA 2 41 2358700300014 MASS DATA 2358700300015 NO-DIM PC/FIS 2358700300016 80. 0.0394 2358700300017 81. 0.0839 2358700300018 82. 0.1104 2358700300019 83. 0.1545 2358700300020 84. 0.1990 2358700300021 85. 0.2977 2358700300022 86. 0.3594 2358700300023 87. 0.4761 2358700300024 88. 0.5202 2358700300025 89. 0.7633 2358700300026 90. 0.7713 2358700300027 91. 1.0325 2358700300028 92. 1.1126 2358700300029 93. 1.5724 2358700300030 94. 1.6711 2358700300031 95. 1.8957 2358700300032 96. 2.3916 2358700300033 97. 2.4362 2358700300034 98. 3.2390 2358700300035 99. 3.6446 2358700300036 100. 5.0080 2358700300037 101. 5.5219 2358700300038 102. 5.2410 2358700300039 103. 5.3393 2358700300040 104. 6.2689 2358700300041 105. 6.5662 2358700300042 106. 6.4844 2358700300043 107. 6.1127 2358700300044 108. 6.3744 2358700300045 109. 5.2977 2358700300046 110. 5.4691 2358700300047 111. 4.4836 2358700300048 112. 3.6421 2358700300049 113. 2.6390 2358700300050 114. 1.6350 2358700300051 115. 1.0111 2358700300052 116. 0.5857 2358700300053 117. 0.1960 2358700300054 118. 0.2040 2358700300055 119. 0.1221 2358700300056 120. 0.1301 2358700300057 ENDDATA 43 0 2358700300058 ENDSUBENT 57 0 2358700399999 SUBENT 23587004 20210220 22992358700400001 BIB 5 15 2358700400002 REACTION (96-CM-245(N,F)2-HE-4,TER,KEP) 2358700400003 Most probable kinetic energy of LRA. 2358700400004 METHOD (COINC) Coincidence LRA with fission fragment. 2358700400005 MISC-COL (MISC1) FWHM of Gaussian fit of LRA energy distribution2358700400006 (MISC2) Mean angle of LRA angular distribution, 2358700400007 LRA angle relative to light fragment path. 2358700400008 (MISC3) FWHM of LRA angular distribution. 2358700400009 ADD-RES LRA kinetic energy distribution - Fig.4 a) of 2358700400010 Radiation Effects,v.93,p.49,1986; 2358700400011 LRA angular distribution - Fig.4 b) of 2358700400012 Radiation Effects,v.93,p.49,1986; 2358700400013 data were not digitized according to a comment of 2358700400014 N.Otsuka (NDS,IAEA). 2358700400015 STATUS (TABLE) Text page 51 of 2358700400016 Radiation Effects,v.93,p.49,1986 2358700400017 ENDBIB 15 0 2358700400018 NOCOMMON 0 0 2358700400019 DATA 4 1 2358700400020 DATA MISC1 MISC2 MISC3 2358700400021 MEV MEV ADEG ADEG 2358700400022 16.6 9.2 84.2 21.8 2358700400023 ENDDATA 3 0 2358700400024 ENDSUBENT 23 0 2358700499999 ENDENTRY 4 0 2358799999999