ENTRY 22804 20180830 22702280400000001 SUBENT 22804001 20180830 22702280400100001 BIB 16 62 2280400100002 TITLE .Neutron capture of 30Si 2280400100003 AUTHOR (H.Beer, P.V.Sedyshev, W.Rochow,T.Rauscher, P.Mohr) 2280400100004 INSTITUTE (2GERKFK) Beer. Karlsruhe research center, inst. Of 2280400100005 nucl.Physics. Experimental site 2280400100006 (4ZZZDUB) Sedyshev. Joint inst.of Nucl.Research, 2280400100007 Frank lab. of Neutron Phys. 2280400100008 (2GERTUE) Rochow. Tuebingen Univ., Physical Institute, 2280400100009 and experimental site 2280400100010 (2SWTBAS) Rauscher. Basel University, Inst.of Physics 2280400100011 and Astronomy 2280400100012 (2GERTHD) Mohr. Techn.Univ.Darmstadt,Inst.of Nucl.Phys 2280400100013 REFERENCE (J,NP/A,709,453,2002) Main reference 2280400100014 REL-REF (M,22145001,F.Kaeppeler+,J,PR/C,35,936,1987) Exp. 2280400100015 details on activation technique 2280400100016 (R,,R.B.Firestone+,B,FIRESTONE,1,175,2000) Data 2280400100017 for decay constants 2280400100018 (I,21647001,H.Beer+,J,PR/C,21,534,1980) Entry 21647, 2280400100019 H.Beer+,More details of experiment. 2280400100020 (I,22177001,F.Kaepeler+,J,AJ,355,348,1990) Experim. 2280400100021 details 2280400100022 (M,22445001,H.Beer+,J,PR/C,52,3442,1995) The technique2280400100023 of fast cyclic activation has been described in details2280400100024 FACILITY (VDG,2GERKFK) 3.75 MV Van de Graaff accelerator of 2280400100025 the Nuclear Physics Institute-III 2280400100026 (VDG,2GERTUE) 3.75 MV Van de Graaff accelerator of 2280400100027 Tuebingen University Physical Institute 2280400100028 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,MXW) 2280400100029 DECAY-MON (79-AU-198-G,2.69D,B-,290.,0.013, 2280400100030 B-,962.,0.987, 2280400100031 B-,1371.,0.0025) As B- energies 2280400100032 end-point energies of B- spectra are given 2280400100033 MONIT-REF (,R.L.Macklin,W,MACKLIN,1982) 2280400100034 (22099002,W.Ratynski+,J,PR/C,37,595,1988) 2280400100035 DETECTOR (SILI) 4pi-beta spectrometer consisting of two Si-Li 2280400100036 detectors 16 mm diam, 400 mm thick 2280400100037 (GLASD) Li-6 glass detector - for neutron current 2280400100038 monitoring 2280400100039 INC-SOURCE (P-LI7) 2280400100040 (P-T) 2280400100041 METHOD (ACTIV) Activation and fast-cyclic activation methods 2280400100042 (STTA) Stack targets irradiated 2280400100043 (TOF) Required proton energy conditions and neutron 2280400100044 spectra integrated over solid angle 2280400100045 DECAY-DATA (14-SI-31,2.62HR,B-,224.69,0.007, 2280400100046 B-,1490.7,0.9993) As B- energies 2280400100047 end-point energies of B- spectra are given 2280400100048 SAMPLE .Metallic silicon samples, weight 13- -28 milligram, 2280400100049 natural isotopic abundance. Sample thicknesses are 2280400100050 17.497, 35.731, 53.191 milligram/cm2 2280400100051 .Metallic gold, 100% purity, mass 0.4 - 1.5 milligram 2280400100052 ERR-ANALYS (MONIT-ERR,1.5,3.) Standard cross section error 2280400100053 (ERR-S,0.03,3.) Statistical error 2280400100054 (ERR-1,5.,9.6) Max beta self-absorption error 2280400100055 (ERR-2) Error of electronic detection of beta 2280400100056 end energy 2280400100057 (ERR-3,,0.5) Max beta correction factor error 2280400100058 (ERR-4,,0.5) Max sample weight error 2280400100059 HISTORY (20030607C) J.O.S. 2280400100060 (20060806U) Reference code corrected 2280400100061 (20121229A) SD:EN-MEAN -> KT and values were corrected 2280400100062 in Subent 2; ERR-ANALYS update. 2280400100063 (20180830U) SD: ERR-1 -> ERR-2 in COMMON section. 2280400100064 ENDBIB 62 0 2280400100065 COMMON 1 3 2280400100066 ERR-2 2280400100067 PER-CENT 2280400100068 0.4 2280400100069 ENDCOMMON 3 0 2280400100070 ENDSUBENT 69 0 2280400199999 SUBENT 22804002 20121229 22342280400200001 BIB 5 13 2280400200002 REACTION (14-SI-30(N,G)14-SI-31,,SIG,,MXW) 2280400200003 INC-SPECT .Proton energies were generated to obtain neutron 2280400200004 spectra with near Maxwellian energy distribution at 2280400200005 temperatures 25 (7Li(p,n) reaction), 52 keV (H-3(p,n) 2280400200006 reaction) using proton energies close to the reaction 2280400200007 threshold. Target layer was chosen thick enough. 2280400200008 .Using 7Li(p,n) reaction and proton energy very close 2280400200009 to the threshold energy 1.881 MeV practically 2280400200010 symmetrical neutron spectrum was generated centered 2280400200011 around 30 keV 2280400200012 STATUS (TABLE) .Data from Table 3 of NP/A,709,(1-4),453 2280400200013 ERR-ANALYS (ERR-T) Total Error 2280400200014 HISTORY (20121229A) SD:EN-MEAN -> KT and values were corrected 2280400200015 ENDBIB 13 0 2280400200016 NOCOMMON 0 0 2280400200017 DATA 3 2 2280400200018 KT DATA ERR-T 2280400200019 KEV MB MB 2280400200020 25. 3.51 0.15 2280400200021 52. 0.72 0.07 2280400200022 ENDDATA 4 0 2280400200023 ENDSUBENT 22 0 2280400299999 SUBENT 22804003 20030607 00002280400300001 BIB 4 7 2280400300002 REACTION (14-SI-30(N,G)14-SI-31,,SIG,,SPA) Averaged Over 2280400300003 Spectrum Interval 2280400300004 INC-SPECT .Spectra at 104, 149, 180 and 214 KeV were Generated 2280400300005 2.5 Micro-M Thick Li Targets and Proton Energies 2280400300006 Much Higher Than Threshold Energie 2280400300007 STATUS . Data from Table 3 of Main Reference 2280400300008 ERR-ANALYS (ERR-T) Total Error 2280400300009 ENDBIB 7 0 2280400300010 NOCOMMON 0 0 2280400300011 DATA 4 5 2280400300012 EN-MEAN EN-RSL DATA ERR-T 2280400300013 KEV KEV MB MB 2280400300014 30. 5. 0.30 0.02 2280400300015 104. 20. 0.87 0.07 2280400300016 149. 20. 0.42 0.03 2280400300017 180. 20. 0.55 0.03 2280400300018 215. 23. 0.44 0.03 2280400300019 ENDDATA 7 0 2280400300020 ENDSUBENT 19 0 2280400399999 SUBENT 22804004 20030607 00002280400400001 BIB 2 7 2280400400002 REACTION 1(14-SI-30(N,0),,L) Angular Momentum 2280400400003 2(14-SI-30(N,0),,J) Spin of Resonsnce 2280400400004 3(14-SI-30(N,G),,WID/STR) Strength of Resonance = 2280400400005 G*G-Wid*N-Wid/Tot-Wid 2280400400006 STATUS .Data from Table 6 of Main Reference 2280400400007 (DEP,22804002) 2280400400008 (DEP,22804003) 2280400400009 ENDBIB 7 0 2280400400010 NOCOMMON 0 0 2280400400011 DATA 5 7 2280400400012 EN-RES DATA 1DATA-MIN 1DATA 2DATA 3 2280400400013 KEV NO-DIM NO-DIM NO-DIM EV 2280400400014 2.235 1. 1.5 2280400400015 4.977 1. 0.5 0.41 2280400400016 15.14 0.12 2280400400017 183.49 0. 0.5 2280400400018 190.6 2. 1.5 2280400400019 235.2 2. 1.5 2280400400020 413.1 1. 0.5 2280400400021 ENDDATA 9 0 2280400400022 ENDSUBENT 21 0 2280400499999 ENDENTRY 4 0 2280499999999