ENTRY 23700 20200520 228823700 0 1 SUBENT 23700001 20200520 228823700 1 1 BIB 13 34 23700 1 2 TITLE Long-range alpha-particles and light charged nuclei 23700 1 3 in the neutron-induced fission of 233U 23700 1 4 AUTHOR (M.Cambiaghi,F.Fossati,T.Pinelli) 23700 1 5 REFERENCE (J,NC/B,59,236,1969) 23700 1 6 INSTITUTE (2ITYPAV) 23700 1 7 REL-REF (I,,M.Cambiaghi+,J,NIM,62,233,1968) 23700 1 8 Details of collimation of incident neutron beam 23700 1 9 (M,,D.Bollini+,J,NC/B,51,235,1967) 23700 1 10 FACILITY (REAC,2ITYPAV) Triga Mark II reactor. 23700 1 11 INC-SOURCE (REAC) Beam was collimated to 2 cm2 by an optically 23700 1 12 polished conical internal Ni surface collimator. 23700 1 13 INC-SPECT Thermal neutrons. 23700 1 14 SAMPLE U-233 target located in a gas-evacuated fission 23700 1 15 chamber with very thin Ni window. 23700 1 16 DETECTOR (SIBAR) Telescope of two (E1 and E2) semiconductor 23700 1 17 detectors in coincidence. 23700 1 18 250x250 channels biparametric P.H.A. 23700 1 19 Time resolution 100 nsec. 23700 1 20 Energy calibration by a precision pulsar and Am-241 23700 1 21 alpha decay. 23700 1 22 Ni absorber foil between target and telescope. 23700 1 23 First run: E1 - 29 microm thick, 23700 1 24 E2 - 500 microm thick. 23700 1 25 Second run: E1 - 50 microm thick, 23700 1 26 E2 - 500 microm thick. 23700 1 27 METHOD (COINC) (E1+E2)*E1 display was used to separate 23700 1 28 particles. 23700 1 29 First run: 23345 long-range alphas, 23700 1 30 157 He-6, 3 He8, 8 Li, 1 Be counts. 23700 1 31 Second run: 11220 long-range alphas, 216 He-3, 23700 1 32 27 H-2, 390 H-3, 56 He-6, 5 He-8, 2 Li . 23700 1 33 . Energy spectra obtained in two runs are identical. 23700 1 34 CORRECTION For energy loss in Ni absorber. 23700 1 35 HISTORY (20200520C) M.M. 23700 1 36 ENDBIB 34 0 23700 1 37 COMMON 1 3 23700 1 38 EN-DUMMY 23700 1 39 EV 23700 1 40 0.0253 23700 1 41 ENDCOMMON 3 0 23700 1 42 ENDSUBENT 41 0 23700 199999 SUBENT 23700002 20200520 228823700 2 1 BIB 3 5 23700 2 2 REACTION ((92-U-233(N,F)ELEM/MASS,TER/PAR,FY)// 23700 2 3 (92-U-233(N,F)2-HE-4,TER/PAR,FY)) 23700 2 4 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 23700 2 5 article. 23700 2 6 STATUS (TABLE) Table 1 of Nuovo Cimento B,v.59,p.236,1969 23700 2 7 ENDBIB 5 0 23700 2 8 COMMON 2 3 23700 2 9 E-MIN-DN E-MAX-DN 23700 2 10 MEV MEV 23700 2 11 12.8 26.7 23700 2 12 ENDCOMMON 3 0 23700 2 13 DATA 6 6 23700 2 14 ELEMENT MASS E-MIN-NM E-MAX-NM DATA DATA-ERR 23700 2 15 NO-DIM NO-DIM MEV MEV NO-DIM NO-DIM 23700 2 16 1. 2. 3.5 6.4 2.4 E-03 0.5 E-0323700 2 17 1. 3. 5.3 11.1 3.5 E-02 0.2 E-0223700 2 18 2. 3. 11.3 24.8 1.9 E-02 0.1 E-0223700 2 19 2. 4. 12.8 26.7 1. 23700 2 20 2. 6. 12.9 25.7 6.2 E-03 0.4 E-0323700 2 21 2. 8. 12. 2.3 E-04 0.8 E-0423700 2 22 ENDDATA 8 0 23700 2 23 ENDSUBENT 22 0 23700 299999 SUBENT 23700003 20200520 228823700 3 1 BIB 4 7 23700 3 2 REACTION ((92-U-233(N,F)ELEM/MASS,TER,FY)/ 23700 3 3 (92-U-233(N,F)2-HE-4,TER,FY)) 23700 3 4 ANALYSIS Yield estimated in total energy interval 23700 3 5 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 23700 3 6 article. 23700 3 7 STATUS (TABLE) Table 1 of Nuovo Cimento B,v.59,p.236,1969 23700 3 8 (DEP,23700002) Directly measured yield. 23700 3 9 ENDBIB 7 0 23700 3 10 NOCOMMON 0 0 23700 3 11 DATA 5 4 23700 3 12 ELEMENT MASS DATA DATA-APRX DATA-ERR 23700 3 13 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 23700 3 14 1. 3. 2.8 E-02 23700 3 15 2. 3. 1.8 E-02 23700 3 16 2. 4. 1. 23700 3 17 2. 6. 7.3 E-03 0.5 E-03 23700 3 18 ENDDATA 6 0 23700 3 19 ENDSUBENT 18 0 23700 399999 SUBENT 23700004 20200520 228823700 4 1 BIB 3 7 23700 4 2 REACTION ((92-U-233(N,F)ELEM,CHG/TER,FY,,MSC)/ 23700 4 3 (92-U-233(N,F)2-HE-4,TER,FY)) 23700 4 4 Li and Be partial ternary yields relative to ALPHA 23700 4 5 ternary yield in observed energy range > E-MIN. 23700 4 6 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 23700 4 7 article. 23700 4 8 STATUS (TABLE) Table 1 of Nuovo Cimento B,v.59,p.236,1969 23700 4 9 ENDBIB 7 0 23700 4 10 NOCOMMON 0 0 23700 4 11 DATA 4 2 23700 4 12 ELEMENT E-MIN DATA DATA-ERR 23700 4 13 NO-DIM MEV NO-DIM NO-DIM 23700 4 14 3. 15. 2.9 E-04 0.9 E-04 23700 4 15 4. 25. 5. E-05 4. E-05 23700 4 16 ENDDATA 4 0 23700 4 17 ENDSUBENT 16 0 23700 499999 SUBENT 23700005 20200520 228823700 5 1 BIB 4 7 23700 5 2 REACTION (92-U-233(N,F)ELEM/MASS,TER,KEP) 23700 5 3 ANALYSIS Most probable kinetic energy was derived from measured23700 5 4 spectra fitted by Gaussians. 23700 5 5 MISC-COL (MISC) FWHM of energy distribution, given in text of 23700 5 6 the article, pages 238, 239. 23700 5 7 STATUS (TABLE) Text on Fig.2 (He-4) in, Fig.3 (He-6) 23700 5 8 Fig. Nuovo Cimento B,v.59,p.236,1969 23700 5 9 ENDBIB 7 0 23700 5 10 NOCOMMON 0 0 23700 5 11 DATA 4 4 23700 5 12 ELEMENT MASS DATA MISC 23700 5 13 NO-DIM NO-DIM MEV MEV 23700 5 14 1. 3. 7.04 3. 23700 5 15 2. 3. 14.3 6.4 23700 5 16 2. 4. 15.65 9.4 23700 5 17 2. 6. 14.05 5.2 23700 5 18 ENDDATA 6 0 23700 5 19 ENDSUBENT 18 0 23700 599999 ENDENTRY 5 0 2370099999999