ENTRY 23297 20210518 23022329700000001 SUBENT 23297001 20210518 23022329700100001 BIB 11 47 2329700100002 TITLE Nonresonant p-wave direct capture and interference 2329700100003 effect observed in the 16O(n,g)17O reaction 2329700100004 AUTHOR (Y.Nagai, M.Kinoshita, M.Igashira, Y.Nobuhara, H.Makii,2329700100005 K.Mishima, T.Shima, A.Mengoni) 2329700100006 INSTITUTE (2JPNTIT,2JPNOSA,2JPNJAE,2JPNKEK,2ITYBOL,2ITYUBO) 2329700100007 REFERENCE (J,PR/C,102,044616,2020) 2329700100008 (T,KINOSHITA,19990214) 2329700100009 Master thesis submitted to Tokyo Inst. of Technology 2329700100010 FACILITY (VDG,2JPNTIT) 3.2 MV Pelletron Accelerator 2329700100011 INC-SOURCE (P-LI7) FWHM of neutron energy distribution was 2329700100012 monitored every 12 hours, and proton energy was 2329700100013 increased (up to 8 keV) for recovering the initial 2329700100014 neutron average energy. 2329700100015 -------------------------------------------------------2329700100016 Ep(MeV) Ip(uA) 7Li-thickness(keV) En(keV) (keV)2329700100017 -------------------------------------------------------2329700100018 2.040 10.8 84 115-199 157 2329700100019 2.210 11.2 64 322-386 349 2329700100020 2.240 10.8 65 369-434 398 2329700100021 2.264 12.0 46 407-453 427 2329700100022 2.299 12.0 47 449-496 468 2329700100023 2.333 12.5 53 479-532 498 2329700100024 2.390 12.5 52 539-591 556 2329700100025 -------------------------------------------------------2329700100026 SAMPLE D2O: 128.5 g, 90.0 mm diam., 20.0 mm thick 2329700100027 for <411 keV. 2329700100028 7Li2O: 80.64 g, 63.7 mm diam., 18.8 mm thick 2329700100029 for >411 keV. 2329700100030 Au(1): 123.22 g, 90.0 mm diam., 1.0 mm thick 2329700100031 for D2O measurement normalization. 2329700100032 Au(2): 69.85 g, 55.0 mm diam., 1.7 mm thick. 2329700100033 for 7Li2O measurement normalization. 2329700100034 METHOD (TOF) Pulse width of 1.5 ns at a repetition rate of 2329700100035 4 MHz. 2329700100036 DETECTOR (GLASD) 6Li-glass scintillation detector for TOF 2329700100037 (NAICR) Anti-Compton NaI(Tl) detector at 125.3 deg 2329700100038 with respect to the proton beam direction for prompt 2329700100039 gamma detection 2329700100040 CORRECTION Corrected for 2329700100041 - multiple scattering of neutrons in the sample 2329700100042 - self-absorption of neutrons in the sample 2329700100043 - gamma-ray absorption by the sample 2329700100044 - finite size of sample 2329700100045 HISTORY (20160513C) On 2329700100046 (20201028D) On. 002-003 deleted (RAW data). 2329700100047 (20201028A) On. 004 superseded. 005-006 added. 2329700100048 (20210518U) On. Minor revisions in 005-006. 2329700100049 ENDBIB 47 0 2329700100050 NOCOMMON 0 0 2329700100051 ENDSUBENT 50 0 2329700199999 NOSUBENT 23297002 20201028 22952329700200001 NOSUBENT 23297003 20201028 22952329700300001 SUBENT 23297004 20201028 22952329700400001 BIB 8 26 2329700400002 REACTION (8-O-16(N,G)8-O-17,,SIG) 2329700400003 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2329700400004 MONIT-REF (,P.G.Young,3,ENDF/B-VI,7925,1984) 2329700400005 (11679023,R.L.Macklin+,J,PR,159,1007,1967) 2329700400006 CORRECTION Corrected for 2329700400007 - multiple scattering effect (nm), 2329700400008 - self-shielding of incident neutrons (ns) 2329700400009 CRITIQUE By T.Matsushima: 2329700400010 The (n,g0) cross section at En=556 keV is too low. 2329700400011 This is understood if JENDL-3.2 (i.e., without the 2329700400012 434 keV resonance) is adopted in calculation of the 2329700400013 correction factor. We reevaluated the correction 2329700400014 factors, and obtained: 2329700400015 sig(n,g0)= 0.4 +/- 0.1 ub, 2329700400016 sig(n,g1)=10.8 +/- 0.9 ub, 2329700400017 which are more consistent with our data. 2329700400018 REL-REF (C,29992001,T.Matsushima,T,MATSUSHIMA,2003) 2329700400019 ERR-ANALYS (ERR-T) Total uncertainty 2329700400020 - Counting statistics for Au 2329700400021 - Counting statistics for 16O 2329700400022 (ERR-1) response function (3%) 2329700400023 (ERR-2) neutron detection efficiency (3%) 2329700400024 (ERR-3) correction factors for nm, ns (3%) 2329700400025 (MONIT-ERR) Au capture cross section (3%) 2329700400026 STATUS (TABLE) Table 4.7 of Kinoshita's thesis (1999) 2329700400027 (SPSDD,23297006) Final data 2329700400028 ENDBIB 26 0 2329700400029 COMMON 4 3 2329700400030 ERR-1 ERR-2 ERR-3 MONIT-ERR 2329700400031 PER-CENT PER-CENT PER-CENT PER-CENT 2329700400032 3. 3. 3. 3. 2329700400033 ENDCOMMON 3 0 2329700400034 DATA 5 7 2329700400035 EN-MEAN EN-RSL-FW DATA ERR-T MONIT 2329700400036 KEV KEV MICRO-B MICRO-B B 2329700400037 157. 84. 3.47E+01 0.22E+01 0.270 2329700400038 349. 64. 1.61E+02 0.17E+02 0.162 2329700400039 398. 65. 2.92E+02 0.16E+02 0.179 2329700400040 427. 46. 3.19E+02 0.19E+02 0.153 2329700400041 468. 47. 3.79E+01 0.28E+01 0.141 2329700400042 498. 53. 1.94E+01 0.18E+01 0.133 2329700400043 556. 52. 4.01E+01 0.26E+01 0.121 2329700400044 ENDDATA 9 0 2329700400045 ENDSUBENT 44 0 2329700499999 SUBENT 23297005 20210518 23022329700500001 BIB 4 10 2329700500002 REACTION (8-O-16(N,G)8-O-17,PAR,SIG) 2329700500003 ERR-ANALYS (ERR-T) Quadrature sum of 2329700500004 - Counting statistics (~3% for D2O, ~19% for 7Li2O) 2329700500005 (ERR-1) response function (3%) 2329700500006 (ERR-2,,1.) neutron detection efficiency (<1%) 2329700500007 (ERR-3) correction factors (3%) 2329700500008 (MONIT-ERR) Au capture cross section (3%) 2329700500009 STATUS (TABLE) Table IV of Phys.Rev.C102(2020)044616 2329700500010 HISTORY (20201028C) On 2329700500011 (20210518U) On. STATUS: Table VI -> Table IV 2329700500012 ENDBIB 10 0 2329700500013 COMMON 3 3 2329700500014 ERR-1 ERR-3 MONIT-ERR 2329700500015 PER-CENT PER-CENT PER-CENT 2329700500016 3. 3. 3. 2329700500017 ENDCOMMON 3 0 2329700500018 DATA 5 14 2329700500019 E-LVL EN-MIN EN-MAX DATA ERR-T 2329700500020 MEV KEV KEV MICRO-B MICRO-B 2329700500021 0. 115. 199. 13.1 1.5 2329700500022 0. 322. 386. 54. 10. 2329700500023 0. 369. 434. 115. 11. 2329700500024 0. 407. 453. 146. 13. 2329700500025 0. 449. 496. 12.8 1.6 2329700500026 0. 479. 532. 4.6 0.9 2329700500027 0. 539. 591. 11.4 1.4 2329700500028 0.871 115. 199. 21.6 2.1 2329700500029 0.871 322. 386. 107. 14. 2329700500030 0.871 369. 434. 177. 14. 2329700500031 0.871 407. 453. 267. 24. 2329700500032 0.871 449. 496. 25.1 2.3 2329700500033 0.871 479. 532. 14.7 1.7 2329700500034 0.871 539. 591. 28.6 2.2 2329700500035 ENDDATA 16 0 2329700500036 ENDSUBENT 35 0 2329700599999 SUBENT 23297006 20210518 23022329700600001 BIB 4 11 2329700600002 REACTION (8-O-16(N,G)8-O-17,,SIG) 2329700600003 ERR-ANALYS (ERR-T) Quadrature sum of 2329700600004 - Counting statistics (~3% for D2O, ~19% for 7Li2O) 2329700600005 (ERR-1) response function (3%) 2329700600006 (ERR-2,,1.) neutron detection efficiency (<1%) 2329700600007 (ERR-3) correction factors (3%) 2329700600008 (MONIT-ERR) Au capture cross section (3%) 2329700600009 STATUS (TABLE) Table IV of Phys.Rev.C102(2020)044616 2329700600010 (DEP,23297005) (n,g0) and (n,g1) partial cross sections2329700600011 HISTORY (20201028C) On 2329700600012 (20210518U) On. STATUS: Table VI -> Table IV 2329700600013 ENDBIB 11 0 2329700600014 COMMON 3 3 2329700600015 ERR-1 ERR-3 MONIT-ERR 2329700600016 PER-CENT PER-CENT PER-CENT 2329700600017 3. 3. 3. 2329700600018 ENDCOMMON 3 0 2329700600019 DATA 4 7 2329700600020 EN-MIN EN-MAX DATA ERR-T 2329700600021 KEV KEV MICRO-B MICRO-B 2329700600022 115. 199. 34.7 2.8 2329700600023 322. 386. 161. 18. 2329700600024 369. 434. 292. 16. 2329700600025 407. 453. 413. 24. 2329700600026 449. 496. 37.9 2.8 2329700600027 479. 532. 19.3 1.9 2329700600028 539. 591. 40.0 2.6 2329700600029 ENDDATA 9 0 2329700600030 ENDSUBENT 29 0 2329700699999 ENDENTRY 6 0 2329799999999