ENTRY 20082 20230319 231620082 0 1 SUBENT 20082001 20230319 231620082 1 1 BIB 15 27 20082 1 2 TITLE The (n,n gamma) reactions in Br-79, Y-89, Yb-176 and 20082 1 3 Au-197 in connection with the problem of the 20082 1 4 (n,2n) reaction mechanism 20082 1 5 AUTHOR (P.Bornemisza-Pauspertl,P.Hille) 20082 1 6 REFERENCE (J,OAW,176,227,1968) (In German) 20082 1 7 (J,AK,9,277,1967) 20082 1 8 INSTITUTE (2AUSIRK) 20082 1 9 FACILITY (CCW,2AUSIRK) Cockcroft-walton accelerator, 200 keV. 20082 1 10 INC-SOURCE (D-T) 20082 1 11 METHOD (ACTIV) 20082 1 12 Sample in pneumatic tube system, 0.5 cm from target. 20082 1 13 DETECTOR (NAICR) Sodium-iodide crystal 3*3 inch 20082 1 14 ANALYSIS Analysis of counts under photo peak. 20082 1 15 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 20082 1 16 MONIT-REF (,R.J.Prestwood+,J,PR,121,1438,1961) 20082 1 17 ERR-ANALYS (DATA-ERR) Sum of estimated systematical errors plus 20082 1 18 quadratical sum of statistical errors. 20082 1 19 COMMENT The measured values of the (n,2n) cross-sections are 20082 1 20 lower than predicted by weisskopf theory. 20082 1 21 Investigated is the possible competition of the 20082 1 22 (n,n gamma) reaction. 20082 1 23 STATUS (TABLE) Tbl. I from ATOMKI Koezlem.,9(1967)277 20082 1 24 (APRVD) 20082 1 25 HISTORY (19701105T) From NEUDADA files. 20082 1 26 (20230319A) SD:Updated to new date formats,lower case. 20082 1 27 Corrections in all Subents. Page of ref.AK,9,227 -> 20082 1 28 AK,9,277 corrected. 20082 1 29 ENDBIB 27 0 20082 1 30 COMMON 4 3 20082 1 31 EN EN-RSL MONIT MONIT-ERR 20082 1 32 MEV MEV MB PER-CENT 20082 1 33 14.7 0.1 117. 5. 20082 1 34 ENDCOMMON 3 0 20082 1 35 ENDSUBENT 34 0 20082 199999 SUBENT 20082002 20230319 231620082 2 1 BIB 5 6 20082 2 2 REACTION (35-BR-79(N,INL)35-BR-79-M,,SIG) 20082 2 3 SAMPLE Chemical composition = K-Br. 16 mm diameter. 20082 2 4 DECAY-DATA (35-BR-79-M,4.864SEC,DG,210.,,DG,511.) +-0.035 sec 20082 2 5 CORRECTION Half life,dead time, relative gamma intensity,internal20082 2 6 conversion, contribution of d(d,n)-neutrons negligible20082 2 7 HISTORY (20230319U) SD: BIB updated. PART-DET -> DECAY-DATA. 20082 2 8 ENDBIB 6 0 20082 2 9 NOCOMMON 0 0 20082 2 10 DATA 2 1 20082 2 11 DATA DATA-ERR 20082 2 12 B PER-CENT 20082 2 13 0.266 13. 20082 2 14 ENDDATA 3 0 20082 2 15 ENDSUBENT 14 0 20082 299999 SUBENT 20082003 20230319 231620082 3 1 BIB 5 7 20082 3 2 REACTION (39-Y-89(N,INL)39-Y-89-M,,SIG) 20082 3 3 SAMPLE Chemical composition = Y(2)-O(3). 16 mm diameter. 20082 3 4 DECAY-DATA (39-Y-89-M,15.78SEC,DG,900.) +-0.11 sec 20082 3 5 900 keV gamma from Y-89-m. 20082 3 6 CORRECTION Half life,dead time, relative gamma intensity,internal20082 3 7 conversion, contribution of d(d,n)-neutrons negligible20082 3 8 HISTORY (20230319U) SD: BIB updated. PART-DET -> DECAY-DATA. 20082 3 9 ENDBIB 7 0 20082 3 10 NOCOMMON 0 0 20082 3 11 DATA 2 1 20082 3 12 DATA DATA-ERR 20082 3 13 B PER-CENT 20082 3 14 0.524 11. 20082 3 15 ENDDATA 3 0 20082 3 16 ENDSUBENT 15 0 20082 399999 SUBENT 20082004 20230319 231620082 4 1 BIB 5 8 20082 4 2 REACTION (70-YB-176(N,INL)70-YB-176-M,,SIG) 20082 4 3 SAMPLE Chemical composition = Yb(2)-O(3). 16 mm diameter. 20082 4 4 DECAY-DATA (70-YB-176-M,11.7SEC,DG,190.,,DG,295.,, 20082 4 5 DG,390.,,DG,511.) 20082 4 6 CORRECTION Half life,dead time, relative gamma intensity,internal20082 4 7 conversion, contribution of d(d,n)-neutrons negligible20082 4 8 Sum coincidences 20082 4 9 HISTORY (20230319U) SD: BIB updated. PART-DET -> DECAY-DATA. 20082 4 10 ENDBIB 8 0 20082 4 11 NOCOMMON 0 0 20082 4 12 DATA 2 1 20082 4 13 DATA DATA-ERR 20082 4 14 B PER-CENT 20082 4 15 0.0167 21. 20082 4 16 ENDDATA 3 0 20082 4 17 ENDSUBENT 16 0 20082 499999 SUBENT 20082005 20230319 231620082 5 1 BIB 5 6 20082 5 2 REACTION (79-AU-197(N,INL)79-AU-197-M,,SIG) 20082 5 3 SAMPLE Metallic gold. 16 mm diameter. 20082 5 4 DECAY-DATA (79-AU-197-M,7.94SEC,DG,280.) +-0.17 sec 20082 5 5 CORRECTION Half life,dead time, relative gamma intensity,internal20082 5 6 conversion, contribution of d(d,n)-neutrons negligible20082 5 7 HISTORY (20230319U) SD: BIB updated. PART-DET -> DECAY-DATA. 20082 5 8 ENDBIB 6 0 20082 5 9 NOCOMMON 0 0 20082 5 10 DATA 2 1 20082 5 11 DATA DATA-ERR 20082 5 12 B PER-CENT 20082 5 13 0.265 10. 20082 5 14 ENDDATA 3 0 20082 5 15 ENDSUBENT 14 0 20082 599999 ENDENTRY 5 0 2008299999999