ENTRY 14351 20241001 151514351000 1 SUBENT 14351001 20241001 151514351001 1 BIB 11 35 14351001 2 TITLE Cross section measurements at neutron energies 71 and 14351001 3 112 MeV and energy integrated cross section 14351001 4 measurements (0.1 < En < 750 MeV) for the neutron 14351001 5 induced reactions O(n,x)10Be, Si(n,x)10Be, and 14351001 6 Si(n,x)26Al 14351001 7 AUTHOR (M.W.Caffee,K.Nishiizumi,J.M.Sisterson,J.Ullmann, 14351001 8 K.C.Welten) 14351001 9 INSTITUTE (1USAPUR,1USAMGH,1USALAS,1USAUCX) 14351001 10 REFERENCE (J,NIM/B,294,479,2013) 14351001 11 MONIT-REF (14010001,J.M.Sisterson+,J,NIM/B,234,419,2005) 14351001 12 Monitor reaction cross section data at Los Alamos 14351001 13 energies 0.1-750 MeV 14351001 14 (14056001,J.M.Sisterson+,J,NIM/B,240,617,2005) 14351001 15 Monitor reaction cross section data at 71 and 112 MeV 14351001 16 FACILITY (LINAC,1USALAS) Energy integrated cross sections were 14351001 17 measured at the Los Alamos Neutron Science Center, 14351001 18 Los Alamos National Laboratory New Mexico using 14351001 19 white neutron beams 14351001 20 (CYCLO,3SAFITH) Measurements with quasi-monoenergetic 14351001 21 neutrons were performed at iThemba LABS cyclotron, 14351001 22 Somerset West, South Africa 14351001 23 DETECTOR (HPGE) Short lived nuclides were measured using high 14351001 24 purity Ge detectors. 14351001 25 METHOD (ACTIV) 14351001 26 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 14351001 27 (28-NI-58(N,X)27-CO-57,,SIG) 14351001 28 (29-CU-63(N,X)27-CO-58,,SIG) 14351001 29 (79-AU-197(N,2N)79-AU-196,,SIG) 14351001 30 ERR-ANALYS (ERR-1) 1 sigma uncertainty in AMS measurement covering14351001 31 samples, blanks and standards. 14351001 32 (ERR-2,2.0,3.0) Systematic uncertainty in AMS 14351001 33 measurement not included in ERR-1 14351001 34 HISTORY (20121221C) Compiled by S.H. 14351001 35 (20240329A) OS. REACTION updated in subs.4,7 14351001 36 (20240930A) OS. REACTION updated in subs.5,6 14351001 37 ENDBIB 35 0 14351001 38 NOCOMMON 0 0 14351001 39 ENDSUBENT 38 0 1435100199999 SUBENT 14351002 20121221 13871435100200001 BIB 5 12 1435100200002 REACTION (8-O-16(N,X)4-BE-10,,SIG) 1435100200003 STATUS (TABLE) Data taken from tab. 3 of the reference 1435100200004 SAMPLE SiO2 sample with 99.9% purity and dimensions 5 x 5 cm2 1435100200005 INC-SOURCE (P-BE) Irradiations performed at 0 deg and 16 deg. At 1435100200006 0 deg there are two components in neutron spectrum - 1435100200007 a high energy peak and a low energy tail. The 1435100200008 spectrum at 16 deg has only low energy tail, similar 1435100200009 to the tail at 0 deg. 1435100200010 METHOD Irradiations at iTL were made simultaneously at 0 deg 1435100200011 and 16 deg. Cross section at specific energy was 1435100200012 obtained by subtracting the yield measured at 16 deg 1435100200013 (after normalization) from the yield measured at 0deg.1435100200014 ENDBIB 12 0 1435100200015 NOCOMMON 0 0 1435100200016 DATA 3 2 1435100200017 EN DATA ERR-1 1435100200018 MEV MB MB 1435100200019 70.7 1.52 0.15 1435100200020 110.8 1.68 0.25 1435100200021 ENDDATA 4 0 1435100200022 ENDSUBENT 21 0 1435100299999 SUBENT 14351003 20121221 13871435100300001 BIB 5 13 1435100300002 REACTION (14-SI-0(N,X)4-BE-10,,SIG) 1435100300003 STATUS (TABLE) Data taken from tab. 3 of the reference 1435100300004 SAMPLE Si samples with 99.999% purity and 1.5 cm or 5 cm 1435100300005 in diameter 1435100300006 INC-SOURCE (P-BE) Irradiations performed at 0 deg and 16 deg. At 1435100300007 0 deg there are two components in neutron spectrum - 1435100300008 a high energy peak and a low energy tail. The 1435100300009 spectrum at 16 deg has only low energy tail, similar 1435100300010 to the tail at 0 deg. 1435100300011 METHOD Irradiations at iTL were made simultaneously at 0 deg 1435100300012 and 16 deg. Cross section at specific energy was 1435100300013 obtained by subtracting the yield measured at 16 deg 1435100300014 (after normalization) from the yield measured at 0 deg1435100300015 ENDBIB 13 0 1435100300016 NOCOMMON 0 0 1435100300017 DATA 3 1 1435100300018 EN DATA ERR-1 1435100300019 MEV MB MB 1435100300020 112.0 0.08 0.03 1435100300021 ENDDATA 3 0 1435100300022 ENDSUBENT 21 0 1435100399999 SUBENT 14351004 20240403 15111435100400001 BIB 7 17 1435100400002 REACTION (14-SI-0(N,X)13-AL-26-G,,SIG) 1435100400003 SAMPLE Si samples with 99.999% purity and 1.5 cm or 5 cm 1435100400004 in diameter 1435100400005 SiO2 sample with 99.9% purity and dimensions 5 x 5 cm2 1435100400006 FLAG (1.) Si sample 1435100400007 (2.) SiO2 sample 1435100400008 INC-SOURCE (P-BE) Irradiations performed at 0 deg and 16 deg. At 1435100400009 0 deg there are two components in neutron spectrum - 1435100400010 a high energy peak and a low energy tail. The 1435100400011 spectrum at 16 deg has only low energy tail, similar 1435100400012 to the tail at 0 deg. 1435100400013 METHOD (AMS) Irradiations at iTL were made simultaneously at 1435100400014 0 deg and 16 deg. Cross section at specific energy was 1435100400015 obtained by subtracting the yield measured at 16 deg 1435100400016 (after normalization) from the yield measured at 0 deg1435100400017 STATUS (TABLE,,M.W.Caffee+,J,NIM/B,294,479,2013) Table 3 1435100400018 HISTORY (20240329A) Added -G to REACTION SF4, updated METHOD 1435100400019 ENDBIB 17 0 1435100400020 NOCOMMON 0 0 1435100400021 DATA 4 3 1435100400022 EN DATA ERR-1 FLAG 1435100400023 MEV MB MB NO-DIM 1435100400024 70.7 14.7 2.4 2. 1435100400025 110.8 19.7 2.6 2. 1435100400026 112.0 26.8 3.4 1. 1435100400027 ENDDATA 5 0 1435100400028 ENDSUBENT 27 0 1435100499999 SUBENT 14351005 20241001 151514351005 1 BIB 6 12 14351005 2 REACTION (8-O-16(N,X)4-BE-10,,SIG,,SPA) 14351005 3 STATUS (TABLE,,M.W.Caffee+,J,NIM/B,294,479,2013) 14351005 4 Data taken from tab. 3 of the reference 14351005 5 SAMPLE SiO2 sample with 99.9% purity and dimensions 5 x 5 cm2 14351005 6 INC-SOURCE (SPALL) Neutrons were produced by spallation reaction 14351005 7 using 800 MeV protons from linear accelerator 14351005 8 impinging on a tungsten target. Polyethylene filter 14351005 9 of different thickness was inserted after spallation 14351005 10 target to filter low energy neutrons 14351005 11 FLAG (1.) 5.1 cm polyethylene filter 14351005 12 (2.) 15.2 cm polyethylene filter 14351005 13 HISTORY (20240930A) REACTION SF8 corrected 14351005 14 ENDBIB 12 0 14351005 15 COMMON 2 3 14351005 16 EN-MIN EN-MAX 14351005 17 MEV MEV 14351005 18 0.1 750.0 14351005 19 ENDCOMMON 3 0 14351005 20 DATA 3 2 14351005 21 DATA ERR-1 FLAG 14351005 22 MB MB NO-DIM 14351005 23 1.57 0.17 1. 14351005 24 1.54 0.17 2. 14351005 25 ENDDATA 4 0 14351005 26 ENDSUBENT 25 0 1435100599999 SUBENT 14351006 20241001 151514351006 1 BIB 5 11 14351006 2 REACTION (14-SI-0(N,X)4-BE-10,,SIG,,SPA) 14351006 3 STATUS (TABLE,,M.W.Caffee+,J,NIM/B,294,479,2013) 14351006 4 Data taken from tab. 3 of the reference 14351006 5 SAMPLE Si samples with 99.999% purity and 1.5 cm or 5 cm 14351006 6 in diameter 14351006 7 INC-SOURCE (SPALL) Neutrons were produced by spallation reaction 14351006 8 using 800 MeV protons from linear accelerator 14351006 9 impinging on a tungsten target. Polyethylene filter 14351006 10 of different thickness was inserted after spallation 14351006 11 target to filter low energy neutrons 14351006 12 HISTORY (20240930A) REACTION SF8 corrected 14351006 13 ENDBIB 11 0 14351006 14 NOCOMMON 0 0 14351006 15 DATA 4 1 14351006 16 EN-MIN EN-MAX DATA ERR-1 14351006 17 MEV MEV MB MB 14351006 18 0.1 750.0 0.21 0.03 14351006 19 ENDDATA 3 0 14351006 20 ENDSUBENT 19 0 1435100699999 SUBENT 14351007 20240403 15111435100700001 BIB 7 15 1435100700002 REACTION (14-SI-0(N,X)13-AL-26-G,,SIG,,SPA) 1435100700003 SAMPLE Si samples with 99.999% purity and 1.5 cm or 5 cm 1435100700004 in diameter 1435100700005 SiO2 sample with 99.9% purity and dimensions 5 x 5 cm2 1435100700006 INC-SOURCE (SPALL) Neutrons were produced by spallation reaction 1435100700007 using 800 MeV protons from linear accelerator 1435100700008 impinging on a tungsten target. Polyethylene filter 1435100700009 of different thickness was inserted after spallation 1435100700010 target to filter low energy neutrons 1435100700011 METHOD (AMS) 1435100700012 FLAG (1.) Si sample, 2.5 cm polyethylene filter 1435100700013 (2.) SiO2 sample, 5.1 cm polyethylene filter 1435100700014 (3.) SiO2 sample, 15.2 cm polyethylene filter 1435100700015 STATUS (TABLE,,M.W.Caffee+,J,NIM/B,294,479,2013) Table 3 1435100700016 HISTORY (20240329A) Added -G to REACTION SF4, added METHOD 1435100700017 ENDBIB 15 0 1435100700018 COMMON 2 3 1435100700019 EN-MIN EN-MAX 1435100700020 MEV MEV 1435100700021 0.1 750.0 1435100700022 ENDCOMMON 3 0 1435100700023 DATA 3 3 1435100700024 DATA ERR-1 FLAG 1435100700025 MB MB NO-DIM 1435100700026 14.7 1.6 1. 1435100700027 15.1 1.5 2. 1435100700028 14.0 1.4 3. 1435100700029 ENDDATA 5 0 1435100700030 ENDSUBENT 29 0 1435100799999 ENDENTRY 7 0 1435199999999