ENTRY 22448 20210924 23042244800000001 SUBENT 22448001 20210924 23042244800100001 BIB 15 36 2244800100002 TITLE The stellar (n,gamma) cross section of the 2244800100003 unstable 135Cs 2244800100004 AUTHOR (S.Jaag, F.Kaeppeler, P.Koehler) 2244800100005 INSTITUTE (2GERKFK,1USAORL) 2244800100006 REFERENCE (J,NP/A,621,247,1997) 2244800100007 (J,PR/C,69,025803,2004) corrected data given 2244800100008 (R,INDC(GER)-0053,2021) Revised values of Karlsruhe 2244800100009 cross sections. 2244800100010 FACILITY 1(VDG,2GERKFK) for kT~25 keV irradiations 2244800100011 2(REAC,2GERMNZ) TRIGA reactor(to obtain number of 135Cs)2244800100012 INC-SOURCE1(P-LI7) 2244800100013 2(REAC) 2244800100014 INC-SPECT 1 kT~25keV quasi-stellar neutron spectrum 2244800100015 2 Epithermal(En>0.4 eV)/thermal=4/70 2244800100016 SAMPLE Cs sample specified as 2E+15 135Cs atoms implanted in 2244800100017 a graphite disc (0.1 mm thick and 6 mm in diam.) and 2244800100018 canned in a cylindrical graphite box, which was 2244800100019 sandwiched between two Au foils. 2244800100020 METHOD (ACTIV) Irradiation lasted for about 11 days 2244800100021 (GSPEC) Measured for 16 days 2244800100022 DECAY-DATA (55-CS-136-G,13.16D,DG,340.,, 2244800100023 DG,818.,, 2244800100024 DG,1048.,, 2244800100025 DG,1235.) 2244800100026 DETECTOR (HPGE) 175 cm3 HPGe detector 2244800100027 (HPGE) Another HPGe to measure Re foils activity 2244800100028 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2244800100029 REL-REF (N,O1963002,W.Ratynski+,J,PR/C,37,595,1988) 2244800100030 kT~25 keV quasi-stellar neutron spectrum given 2244800100031 STATUS (APRVD) Approved by Franz Kaeppeler (2014-09-09) 2244800100032 HISTORY (20000201C) + + Compiled by SM + + 2244800100033 (20081103U) Corrections made by SM 2244800100034 (20121223A) SD: EN-MEAN -> KT and values were corrected2244800100035 in Subent 2. ERR-T -> DATA-ERR. 2244800100036 (20140828A) On. 002 superseded, 003 added. 2244800100037 (20210924A) SD: 003 superseded, 004 added. 2244800100038 ENDBIB 36 0 2244800100039 NOCOMMON 0 0 2244800100040 ENDSUBENT 39 0 2244800199999 SUBENT 22448002 20140828 22402244800200001 BIB 6 18 2244800200002 REACTION (55-CS-135(N,G)55-CS-136,,SIG,,MXW) 2244800200003 ANALYSIS Transformed from the data measured under the quasi- 2244800200004 stellar neutron spectrum assuming that 135Cs(n,g) and 2244800200005 197Au(n,g) cross sections have the same energy 2244800200006 dependence for the region where the quasi-stellar 2244800200007 experimental spectrum differs from a true Maxwell- 2244800200008 Bolzmann distribution 2244800200009 REL-REF (R,,J.F.Mughabghab,B,NEUT.CS 1B,,1984) 2244800200010 sig(nth,g)=8.7+/-0.5 b and RI(n,g)=61.7+/-2.3 b 2244800200011 ERR-ANALYS (DATA-ERR) Uncertainty dominated by thermal cross 2244800200012 section value of 135Cs and the reactor flux 2244800200013 normalization via the Re isotopes 2244800200014 STATUS (TABLE) Text (p250) of Nucl.Phys.A621(1997)247 2244800200015 (SPSDD,22448003) Superseded by F.Kaeppeler (2014-08-28)2244800200016 HISTORY (20050106U) Data heading changed from KT to EN-MEAN 2244800200017 (20081103U) ASSUMED keyword codes corrected 2244800200018 (20121223A) SD: EN-MEAN -> KT and values were corrected2244800200019 (20140828A) On. Superseded by 003. 2244800200020 ENDBIB 18 0 2244800200021 NOCOMMON 0 0 2244800200022 DATA 3 1 2244800200023 KT DATA DATA-ERR 2244800200024 KEV MB MB 2244800200025 30. 198. 17. 2244800200026 ENDDATA 3 0 2244800200027 ENDSUBENT 26 0 2244800299999 SUBENT 22448003 20210924 23042244800300001 BIB 6 12 2244800300002 REACTION (55-CS-135(N,G)55-CS-136,,SIG,,MXW) 2244800300003 ANALYSIS Reanalysis of the data published in 1997 (198+/-17 mb) 2244800300004 with improved thermal data (T.Katoh et al., 1997) 2244800300005 REL-REF (R,22342002,T.Katoh+,J,NST,34,431,1997) 2244800300006 135Cs(nth,g) cross section = 8.3+/-0.3 barn 2244800300007 (R,22342004,T.Katoh+,J,NST,34,431,1997) 2244800300008 135Cs(nth,g) resonance integral = 37.9+/-2.7 barn 2244800300009 ERR-ANALYS (DATA-ERR) No information on source of uncertainty 2244800300010 STATUS (TABLE) Text (p025803-7) of Phys.Rev.C69(2004)025803 2244800300011 (SPSDD,22448004) Renormalized. 2244800300012 HISTORY (20140828C) On (moved from 22846.005) 2244800300013 (20210924A) SD: Subent superseded. 2244800300014 ENDBIB 12 0 2244800300015 NOCOMMON 0 0 2244800300016 DATA 5 1 2244800300017 KT DATA DATA-ERR MONIT MONIT-ERR 2244800300018 KEV MB MB MB MB 2244800300019 30. 176. 15. 582. 9. 2244800300020 ENDDATA 3 0 2244800300021 ENDSUBENT 20 0 2244800399999 SUBENT 22448004 20210924 23042244800400001 BIB 9 18 2244800400002 REACTION 1((55-CS-135(N,G)55-CS-136,,SIG,,MXW)/ 2244800400003 (79-AU-197(N,G)79-AU-198,,SIG,,MXW)) 2244800400004 2(55-CS-135(N,G)55-CS-136,,SIG,,MXW) 2244800400005 ANALYSIS Cross section value in subentry 22448.003 is 2244800400006 renormalized for new gold cross section. 2244800400007 Intensities of four gamma lines are not specified in 2244800400008 the original paper, but not critical due to high 2244800400009 (99.7%) intensity of the 818 keV transition. 2244800400010 CORRECTION Correction for revised gold standard 611.6/582 =1.051 2244800400011 DECAY-MON (79-AU-198-G,3881.0MIN,DG,411.80,0.9558) 2244800400012 MONIT-REF (,R.Reifarth+,J,EPJ/P,133,424,2018) 2244800400013 REL-REF (R,22342002,T.Katoh+,J,NST,34,431,1997) 2244800400014 135Cs(nth,g) cross section = 8.3+/-0.3 barn 2244800400015 (R,22342004,T.Katoh+,J,NST,34,431,1997) 2244800400016 135Cs(nth,g) resonance integral = 37.9+/-2.7 barn 2244800400017 ERR-ANALYS (DATA-ERR) No information on source of uncertainty 2244800400018 STATUS (TABLE) p.100 of INDC(GER)-0053 2244800400019 HISTORY (20210924C) SD 2244800400020 ENDBIB 18 0 2244800400021 NOCOMMON 0 0 2244800400022 DATA 7 1 2244800400023 KT DATA 1DATA-ERR 1DATA 2DATA-ERR 2MONIT 2244800400024 MONIT-ERR 2244800400025 KEV NO-DIM NO-DIM MB MB MB 2244800400026 MB 2244800400027 30. 0.2716 0.023 185. 16. 611.62244800400028 6. 2244800400029 ENDDATA 6 0 2244800400030 ENDSUBENT 29 0 2244800499999 ENDENTRY 4 0 2244899999999