ENTRY 22485 20180830 22702248500000001 SUBENT 22485001 20180830 22702248500100001 BIB 15 59 2248500100002 TITLE .Measurement of neutron capture on 50-Ti 2248500100003 at thermonuclear energies 2248500100004 AUTHOR (P.V.Sedyshev,P.Mohr,H.Beer,H.Oberhummer, Yu.P.Popov, 2248500100005 W.Rochow) 2248500100006 INSTITUTE (2GERKFK) Beer, and 1st experimental site 2248500100007 (2GERTUE) Rochow, and 2nd experimental site 2248500100008 (4ZZZDUB) Sedyshev, Popov 2248500100009 (2GERTHD) Mohr, Oberhummer 2248500100010 (2AUSTHV) Mohr 2248500100011 REFERENCE (J,PR/C,60,054613,1999) Main Reference 2248500100012 REL-REF (I,22306001,H.Beer+,J,NIM/A,337,492,1994) Experimental 2248500100013 Details 2248500100014 (I,22445001,H.Beer+,J,PR/C,52,3442,1995) Experimental 2248500100015 Details 2248500100016 (M,22419001,P.Mohr+,J,PR/C,58,932,1998) Details of 2248500100017 Data Analysis 2248500100018 FACILITY (VDG,2GERKFK) 3.75 MV Van De Graaff Accelerator at 2248500100019 Karlsruhe 2248500100020 (VDG,2GERTUE) 3.75 MV Van De Graaff Accelerator at 2248500100021 Tuebingen 2248500100022 METHOD (ACTIV) Fast cyclic activation technique 2248500100023 (TOF) Flight path 91 cm for neutron spectra 2248500100024 measurement 2248500100025 (STTA) Stack target arrangement was used 2248500100026 DETECTOR (HPGE) For gamma detection 2248500100027 (GLASD) 6-Li detector for neutron flux monitoring 2248500100028 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2248500100029 MONIT-REF (22099002,W.Ratynski+,J,PR/C,37,595,1988) 2248500100030 (,R.L.Macklin,W,MACKLIN,1982) 2248500100031 DECAY-MON (79-AU-198-G,2.69517D,DG,411.8044,1.00) 2248500100032 DECAY-DATA (22-TI-51,5.76MIN,DG,320.0852,0.931, 2248500100033 DG,928.65,0.0690) 2248500100034 SAMPLE (22-TI-50,NAT=0.6753) .Metallic titanium of natural 2248500100035 isotopic abundance, and Ti-O2 oxide enriched by 2248500100036 50Ti - 2.45% of 46Ti, 2.54% of 47Ti, 23.97% of 48Ti, 2248500100037 3.09% of 49Ti, 67.53% of 50Ti. Samples of 6 mm diam. 2248500100038 were sandwiched by thin gold foils of the same diam. 2248500100039 Sample masses are between 40 and 100 milligram. 2248500100040 .Gold metallic sample was used as a standard. Sample 2248500100041 mass is near 16 milligram 2248500100042 ERR-ANALYS (ERR-T) Total error equal to quadratic sum of its 2248500100043 constituents 2248500100044 (MONIT-ERR,1.5,3.) Error of standard cross-section 2248500100045 (ERR-1) Error of germanium detector efficiency 2248500100046 (ERR-2) Error in gamma-ray intensity per decay 2248500100047 for 51Ti 2248500100048 (ERR-3) Error due to gamma-ray intensity per 2248500100049 decay for gold 2248500100050 (ERR-4,2.,7.) Error due to divergence of neutron beam 2248500100051 (ERR-5) Error due to neutron fluxes combination 2248500100052 in the gamma counts - factor Fb 2248500100053 (ERR-6,,0.5) Error due to sample weight 2248500100054 HISTORY (20001020C) + + Compiled by S.M. 2248500100055 (20020327U) . . Bib Section corrected 2248500100056 (20070109U) . . Corrected SM after N.Otsuka comment 2248500100057 (20121223A) SD: ERR-ANALYS update. EN-MEAN -> KT and 2248500100058 values were corrected in Subents 2,5. 2248500100059 (20180830A) SD: REACTION code corrected in Subent 004.12248500100060 STATUS 'COREL' deleted (not relevant). 2248500100061 ENDBIB 59 0 2248500100062 COMMON 4 3 2248500100063 ERR-1 ERR-2 ERR-3 ERR-5 2248500100064 PER-CENT PER-CENT PER-CENT PER-CENT 2248500100065 2. 0.5 0.1 1.5 2248500100066 ENDCOMMON 3 0 2248500100067 ENDSUBENT 66 0 2248500199999 SUBENT 22485002 20121223 22342248500200001 BIB 5 11 2248500200002 REACTION (22-TI-50(N,G)22-TI-51,,SIG,,MXW) 2248500200003 INC-SOURCE (P-LI7) For KT=25 keV, EN-MEAN=37.5 keV 2248500200004 (P-T) For KT-52 keV EN-MEAN=78.0 keV 2248500200005 INC-SPECT .For proton energy close to reaction threshold target 2248500200006 layers were chosen thick enough that energy loss of 2248500200007 the protons reached the reaction threshold within 2248500200008 the layer. In this way quasi-Maxwellian spectra with 2248500200009 KT=25 and 52 keV were generated. 2248500200010 STATUS (TABLE) From Table II of PR/C,60,(5),054613 2248500200011 COREL,22456004) 2248500200012 HISTORY (20121223A) SD: EN-MEAN -> KT and values were corrected2248500200013 ENDBIB 11 0 2248500200014 NOCOMMON 0 0 2248500200015 DATA 3 2 2248500200016 KT DATA ERR-T 2248500200017 KEV MB MB 2248500200018 25. 3.612 0.095 2248500200019 52. 2.736 0.113 2248500200020 ENDDATA 4 0 2248500200021 ENDSUBENT 20 0 2248500299999 SUBENT 22485003 20020327 00002248500300001 BIB 5 9 2248500300002 REACTION (22-TI-50(N,G)22-TI-51,,SIG,,SPA) Averaged Over 2248500300003 Neutron Spectrum Width 2248500300004 INC-SOURCE (P-LI7) For En-Mean=30 and 145 KeV 2248500300005 INC-SPECT .For the Mean Energy 30 KeV Proton Energy was 1882 KeV,2248500300006 1 KeV Higher Than Reaction Threshold. 2248500300007 .The Spectrum at En-Mean=145 KeV was Generatred Using 2248500300008 Lithium Targets of 2.5 Micro-M Thickness 2248500300009 ERR-ANALYS .EN-RSL is Energy Resolution 2248500300010 STATUS . From Table II of Main Reference 2248500300011 ENDBIB 9 0 2248500300012 NOCOMMON 0 0 2248500300013 DATA 4 2 2248500300014 EN-MEAN EN-RSL DATA ERR-T 2248500300015 KEV KEV MB MB 2248500300016 30. 5. 0.387 0.011 2248500300017 145. 16. 0.65 0.029 2248500300018 ENDDATA 4 0 2248500300019 ENDSUBENT 18 0 2248500399999 SUBENT 22485004 20180830 22702248500400001 BIB 3 5 2248500400002 REACTION 1(22-TI-50(N,G)22-TI-51,,SIG,,RES) 2248500400003 2(22-TI-50(N,G),,WID/STR) 2248500400004 STATUS (TABLE) From the text of Phys.Rev.C60(1999)054613 2248500400005 HISTORY (20070109U) . SF2,SF3 fields (n,0) changed to (n,gamma)2248500400006 (20180830A) SD: SF4=22-TI-51 added to REACTION code (1)2248500400007 ENDBIB 5 0 2248500400008 NOCOMMON 0 0 2248500400009 DATA 6 1 2248500400010 EN-RES DATA 1ERR-T 1DATA 2ERR-T 2MOMENTUM L 2248500400011 KEV MB MB EV EV NO-DIM 2248500400012 145. 0.22 0.13 0.37 0.24 0.2248500400013 ENDDATA 3 0 2248500400014 ENDSUBENT 13 0 2248500499999 SUBENT 22485005 20121223 22342248500500001 BIB 3 9 2248500500002 REACTION (22-TI-50(N,G)22-TI-51,,SIG,,MXW,DERIV) Averaged 2248500500003 (Sigma*V)/V-Thermal. Derived from cross-sections 2248500500004 measured in this work 2248500500005 STATUS (TABLE) From Table IV of PR/C,60,(5),054613 2248500500006 (DEP,22485002) 2248500500007 (DEP,22485003) 2248500500008 (DEP,22485004) 2248500500009 HISTORY (20121223A) SD: EN-MEAN -> KT and values were corrected2248500500010 SF8=FCT/MXW -> MXW. 2248500500011 ENDBIB 9 0 2248500500012 NOCOMMON 0 0 2248500500013 DATA 3 35 2248500500014 KT DATA ERR-T 2248500500015 KEV MB MB 2248500500016 1. 2.13 0.06 2248500500017 2. 1.55 0.04 2248500500018 3. 1.54 0.05 2248500500019 4. 1.76 0.09 2248500500020 5. 1.97 0.13 2248500500021 6. 2.11 0.16 2248500500022 7. 2.18 0.17 2248500500023 8. 2.23 0.19 2248500500024 10. 2.30 0.20 2248500500025 12. 2.41 0.23 2248500500026 15. 2.68 0.27 2248500500027 18. 2.97 0.31 2248500500028 20. 3.15 0.33 2248500500029 22. 3.29 0.35 2248500500030 25. 3.45 0.38 2248500500031 27. 3.52 0.39 2248500500032 30. 3.58 0.40 2248500500033 35. 3.58 0.40 2248500500034 40. 3.49 0.39 2248500500035 45. 3.37 0.38 2248500500036 50. 3.23 0.36 2248500500037 52. 3.17 0.35 2248500500038 55. 3.08 0.33 2248500500039 60. 2.93 0.32 2248500500040 65. 2.79 0.32 2248500500041 79. 2.65 0.30 2248500500042 80. 2.41 0.27 2248500500043 90. 2.19 0.25 2248500500044 100. 2.00 0.22 2248500500045 110. 1.83 0.20 2248500500046 120. 1.68 0.19 2248500500047 150. 1.34 0.15 2248500500048 180. 1.09 0.12 2248500500049 200. 0.958 0.103 2248500500050 250. 0.719 0.077 2248500500051 ENDDATA 37 0 2248500500052 ENDSUBENT 51 0 2248500599999 ENDENTRY 5 0 2248599999999