ENTRY 41787 20250925 4178700000001 SUBENT 41787001 20250925 20260228 4178700100001 BIB 11 63 4178700100002 TITLE Cross sections of the 148Sm(n,alpha)145Nd reaction in 4178700100003 the 4.8 - 5.3 MeV neutron energy range 4178700100004 AUTHOR (I.Chuprakov,E.Sansarbayar,Guohui Zhang,Yu.M.Gledenov, 4178700100005 G.Khuukhenkhuu,L.Krupa,Jie Liu,Haofan Bai,Cong Xia, 4178700100006 Zepeng Wu,Wenkai Ren,Wenkai Ren,D.Berikov,G.Ahmadov, 4178700100007 A.K.Bekbayev,B.Mukhametuly,E.S.Korshikov,Y.Arynbek, 4178700100008 O.Daulbayev) 4178700100009 INSTITUTE (4ZZZDUB) I.Chuprakov,E.Sansarbayar,Yu.M.Gledenov, 4178700100010 L.Krupa,D.Berikov,G.Ahmadov,A.K.Bekbayev, 4178700100011 B.Mukhametuly,Y.Arynbek,O.Daulbayev 4178700100012 (4KASKAZ) I.Chuprakov,D.Berikov,A.K.Bekbayev, 4178700100013 B.Mukhametuly,Y.Arynbek,O.Daulbayev 4178700100014 (3MGLNUM) E.Sansarbayar,G.Khuukhenkhuu 4178700100015 (3CPRBJG) Guohui Zhang,Jie Liu,Haofan Bai,Cong Xia, 4178700100016 Zepeng Wu,Wenkai Ren 4178700100017 (3CZRCTI) L.Krupa 4178700100018 (3CZRCTI) Palacky University Olomouc, 17. listopadu 4178700100019 1192/12, 779 00 Olomouc, Czech Republic. 4178700100020 L.Krup, 4178700100021 (3CPRNIX) Zepeng Wu 4178700100022 (4AZRAZR) Innovation and Digital Development Agency 4178700100023 Nuclear Research Department, Gobu str. 20th km of 4178700100024 Baku-Shamakhi Highway, AZ0100, Baku, Azerbaijan. 4178700100025 G.Ahmadov 4178700100026 (4KASAFU) A.K.Bekbayev,B.Mukhametuly,E.S.Korshikov, 4178700100027 Y.Arynbek 4178700100028 REFERENCE (J,CPH/C,49,074007,2025) Issue 7. 4178700100029 #doi:10.1088/1674-1137/add09a 4178700100030 FACILITY (VDG,4ZZZDUB) EG-5 Van de Graaff accelerator at the 4178700100031 Frank Lab. of Neutron Physics. 4178700100032 INC-SOURCE (D-D) Deuterium gas target is cylinder of 2 cm length,4178700100033 0.9 cm diameter. Gas pressure 2.6 atm. 4178700100034 Deuteron beam current ~2.5 muA, 4178700100035 deuterons energy range 2.4 - 2.8 MeV 4178700100036 Mono-energetic neutron source. 4178700100037 SAMPLE . Two 148SmO(2) of 44.0 mm diameter, deposited on 4178700100038 tantalum backings of 48 mm diameter, 0.10 mm thickness.4178700100039 1st sample thickness of Sm - 2.94 +- 0.04 mg/cm2, 4178700100040 2nd - 3.10 +- 0.03 mg/cm2. 4178700100041 Isotopic content: 4178700100042 144Sm -0.04 %, 147Sm - 2.05 %, 148Sm -91.20 %, 4178700100043 149Sm - 5.27 %, 150Sm - 0.55 %, 152Sm - 0.60 %, 4178700100044 154Sm - 0.29 %. 4178700100045 Back-to-back 148Sm samples were placed at the common 4178700100046 cathode of the ionization chamber. 4178700100047 . 238U(3)O(8) sample to measure the absolute neutron 4178700100048 flux by detecting of fission fragments. 4178700100049 Abundance 99.999 %, thickness 0.475 mg/cm2, 4178700100050 diameter 44.0 mm. 4178700100051 DETECTOR (IOCH) Twin gridded ionization chamber for charge 4178700100052 particle detection. Working gas was argon + 3.0% CO(2) 4178700100053 at 3.0 atm pressure. Calibrated by alpha source. 4178700100054 Detection efficiency 86 %. 4178700100055 (LONGC) For monitoring of neutron flux. 4178700100056 Detection efficiency 87 %. 4178700100057 CORRECTION Background data were recorded using pure tantalum 4178700100058 backings. 4178700100059 For detection efficiencies. 4178700100060 COMMENT Of authors. 4178700100061 This work was supported by the Committee of Science of 4178700100062 the Ministry of Science and Higher Education of the 4178700100063 Republic of Kazakhstan (BR21881930) 4178700100064 HISTORY (20250925C) M.M. 4178700100065 ENDBIB 63 0 4178700100066 NOCOMMON 0 0 4178700100067 ENDSUBENT 66 0 4178700199999 SUBENT 41787002 20250925 20260228 4178700200001 BIB 7 18 4178700200002 REACTION (62-SM-148(N,A)60-ND-145,,SIG) 4178700200003 MONITOR (92-U-238(N,F),,SIG) From ENDF/B-VIII.0 4178700200004 ANALYSIS Cross section was obtained by summing the forward and 4178700200005 backward cross sections. 4178700200006 MISC-COL (MISC1) forward cross sections 4178700200007 (MISC2) backward cross sections 4178700200008 ADD-RES (COMP) Measured data are compared with evaluated 4178700200009 libraries data and calculations by Talys-1.96 using 4178700200010 different sets of parameters. See Fig.7 and Table 4. 4178700200011 ERR-ANALYS (ERR-S,12.,18.) Number of alpha counts 4178700200012 (ERR-1) Number of fission counts 4178700200013 (ERR-2) Monitor 238U cross-section 4178700200014 (ERR-3) Number of 148Sm atoms 4178700200015 (ERR-4) Number of 238U atoms 4178700200016 (ERR-5) Fission detection efficiency 4178700200017 (ERR-6) Alpha detection efficiency 4178700200018 (ERR-T) Total uncertainty. 4178700200019 STATUS (TABLE,,I.Chuprakov+,J,CPH/C,49,074007,2025) 4178700200020 ENDBIB 18 0 4178700200021 COMMON 6 3 4178700200022 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 4178700200023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4178700200024 3.0 0.7 3.0 2.0 2.0 2.0 4178700200025 ENDCOMMON 3 0 4178700200026 DATA 7 3 4178700200027 EN DATA ERR-T MISC1 MISC1-ERR MISC2 4178700200028 MISC2-ERR 4178700200029 MEV MB MB MB MB MB 4178700200030 MB 4178700200031 4.8 0.056 0.011 0.033 0.008 0.023 4178700200032 0.007 4178700200033 5.1 0.071 0.012 0.042 0.008 0.029 4178700200034 0.007 4178700200035 5.3 0.1 0.013 0.06 0.01 0.04 4178700200036 0.008 4178700200037 ENDDATA 10 0 4178700200038 ENDSUBENT 37 0 4178700299999 ENDENTRY 2 0 4178799999999