ENTRY 20655 20190418 22782065500000001 SUBENT 20655001 20190418 22782065500100001 BIB 15 42 2065500100002 TITLE Determination of the activation resonance integrals 2065500100003 of Mo-98,Rh-103 and Ir-191 as well of the self- 2065500100004 shielding factors for wires 2065500100005 AUTHOR (W.Koehler,E.Schneider) 2065500100006 INSTITUTE (2GERMUN) 2065500100007 REFERENCE (J,NUK,12,197,1969) (in German) 2065500100008 (P,EANDC(E)-89,43,1968) preliminary results. 2065500100009 FACILITY (REAC,2GERMUN) 2065500100010 INC-SOURCE (REAC) Pneumatic pos. of FRM-reactor in Munich 2065500100011 METHOD (ACTIV) Activation 2065500100012 DETECTOR (NAICR) NaI(Tl)-crystal 3. x 3. inch 2065500100013 SAMPLE Au-Al-alloys with 0.37% Au. 2065500100014 Ir-Al-alloys with 2.51% Ir. 2065500100015 For Rh evaporation on small pieces of polyethylene. 2065500100016 ANALYSIS Cadmium ratio measurements. 2065500100017 For wire-thickness of 0.15 mm the following 2065500100018 resonance self-shielding factors are determined, 2065500100019 Au = 0.24 , Rh = 0.43 and Ir = 0.44. 2065500100020 The calculation of 1/V-contribution was made with 2065500100021 Cd-cut-off-energy of 0.56 eV. 2065500100022 MONITOR (79-AU-197(N,G)79-AU-198,,RI) 2065500100023 Resonance integral including the 2065500100024 1/V-contribution = 1549+-20 barns. 2065500100025 Assumed values for thermal cross sections, 2065500100026 Mo-98 = 0.18+-0.02 b ,Rh-103(to metastable state) = 2065500100027 11+-1b, Rh-103(to ground state)= 135+-3b, Ir-191(to 2065500100028 1.4 m metastable state) =314+-50 b, Ir-191(to ground 2065500100029 state) = 610 +- 60 b. 2065500100030 CORRECTION .Self-shielding; 2065500100031 The neutron spectrum of the irradiation position is 2065500100032 proportional to 1/E in the resonance region. 2065500100033 ERR-ANALYS (DATA-ERR) The given errors include the uncertainties 2065500100034 when calculating the counting rates to the end 2065500100035 irradiation, in determining the weight ratio 2065500100036 and the static errors during activity determination. 2065500100037 (MONIT-ERR) Errors from the uncertainties in resonance 2065500100038 integral of gold. 2065500100039 STATUS (TABLE) Taken from Nukleonik, 12(1969)197. 2065500100040 HISTORY (19760629C) 2065500100041 (20190418A) SD:Updated to new date formats,lower case. 2065500100042 Corrections in all Subents. FACILITY, MONIT added. 2065500100043 ERR-ANAlys updated. 2065500100044 ENDBIB 42 0 2065500100045 COMMON 2 3 2065500100046 MONIT MONIT-ERR 2065500100047 B B 2065500100048 1549. 20. 2065500100049 ENDCOMMON 3 0 2065500100050 ENDSUBENT 49 0 2065500199999 SUBENT 20655002 20190418 22782065500200001 BIB 3 5 2065500200002 REACTION (42-MO-98(N,G)42-MO-99,,RI,,RNV) 2065500200003 Resonance integral excluding the 2065500200004 1/V-contribution 2065500200005 ASSUMED (ASSUM,42-MO-98(N,G)42-MO-99,,SIG) 2065500200006 HISTORY (20190418A) SD: ASSUMED, ASSUM added. 2065500200007 ENDBIB 5 0 2065500200008 NOCOMMON 0 0 2065500200009 DATA 5 1 2065500200010 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2065500200011 EV B B B B 2065500200012 0.56 6.38 0.15 0.18 0.02 2065500200013 ENDDATA 3 0 2065500200014 ENDSUBENT 13 0 2065500299999 SUBENT 20655003 20190418 22782065500300001 BIB 4 9 2065500300002 REACTION (45-RH-103(N,G)45-RH-104-M,,RI,,RNV) 2065500300003 resonance integral for the 2065500300004 building of the metastable state (4.41 m) 2065500300005 excluding the 1/V-contribution. 2065500300006 1/V-contribution 2065500300007 ASSUMED (ASSUM,45-RH-103(N,G)45-RH-104-M,,SIG) 2065500300008 DECAY-DATA (45-RH-104-M,4.41MIN) +-0.04 min 2065500300009 HISTORY (20190418A) SD: HALF-LIFE -> DECAY-DATA. ASSUMED, 2065500300010 ASSUM added. 2065500300011 ENDBIB 9 0 2065500300012 NOCOMMON 0 0 2065500300013 DATA 5 1 2065500300014 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2065500300015 EV B B B B 2065500300016 0.56 78. 7. 11. 1. 2065500300017 ENDDATA 3 0 2065500300018 ENDSUBENT 17 0 2065500399999 SUBENT 20655004 20190418 22782065500400001 BIB 4 8 2065500400002 REACTION (45-RH-103(N,G)45-RH-104-G,,RI,,RNV) 2065500400003 Resonance integral for the 2065500400004 building of the ground state excluding the 2065500400005 1/V-contribution 2065500400006 ASSUMED (ASSUM,45-RH-103(N,G)45-RH-104-G,,SIG) 2065500400007 DECAY-DATA (45-RH-104-G,41.SEC) +-0.5 sec 2065500400008 HISTORY (20190418A) SD: HALF-LIFE -> DECAY-DATA. ASSUMED, 2065500400009 ASSUM added. 2065500400010 ENDBIB 8 0 2065500400011 NOCOMMON 0 0 2065500400012 DATA 5 1 2065500400013 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2065500400014 EV B B B B 2065500400015 0.56 1054. 74. 157. 3. 2065500400016 ENDDATA 3 0 2065500400017 ENDSUBENT 16 0 2065500499999 SUBENT 20655005 20190418 22782065500500001 BIB 4 8 2065500500002 REACTION (77-IR-191(N,G)77-IR-192-M1,,RI,,RNV) 2065500500003 Resonance integral for the 2065500500004 building of the metastable state (1.4 m) 2065500500005 excluding the 1/V-contribution. 2065500500006 ASSUMED (ASSUM,77-IR-191(N,G)77-IR-192-M1,,SIG) 2065500500007 DECAY-DATA (77-IR-192-M1,1.4MIN) Half life used in the experiment2065500500008 HISTORY (20190418A) SD: HALF-LIFE -> DECAY-DATA. ASSUMED, 2065500500009 ASSUM added. 2065500500010 ENDBIB 8 0 2065500500011 NOCOMMON 0 0 2065500500012 DATA 5 1 2065500500013 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2065500500014 EV B B B B 2065500500015 0.62 940. 160. 300. 30. 2065500500016 ENDDATA 3 0 2065500500017 ENDSUBENT 16 0 2065500599999 SUBENT 20655006 20190418 22782065500600001 BIB 4 8 2065500600002 REACTION (77-IR-191(N,G)77-IR-192-G,,RI,,RNV) 2065500600003 Resonance integral for the 2065500600004 building of the ground state ( 74.2 d) 2065500600005 excluding the 1/V-contribution. 2065500600006 ASSUMED (ASSUM,77-IR-191(N,G)77-IR-192-G,,SIG) 2065500600007 DECAY-DATA (77-IR-192-G,74.2D) Half life used in the experiment. 2065500600008 HISTORY (20190418A) SD: HALF-LIFE -> DECAY-DATA. ASSUMED, 2065500600009 ASSUM added. 2065500600010 ENDBIB 8 0 2065500600011 NOCOMMON 0 0 2065500600012 DATA 5 1 2065500600013 EN-MIN DATA DATA-ERR ASSUM ASSUM-ERR 2065500600014 EV B B B B 2065500600015 0.62 4074. 285. 910. 90. 2065500600016 ENDDATA 3 0 2065500600017 ENDSUBENT 16 0 2065500699999 ENDENTRY 6 0 2065599999999