ENTRY 12913 20220320 14941291300000001 SUBENT 12913001 20220320 14941291300100001 BIB 13 28 1291300100002 INSTITUTE (1USACAL) 1291300100003 REFERENCE (J,PR/C,30,1375,1984) 1291300100004 AUTHOR (M.D.Olson,R.W.Kavanagh) 1291300100005 TITLE Li-7(a,n) cross section from threshold to 5.67 MeV. 1291300100006 FACILITY (VDGT,1USACAL) 1291300100007 INC-SOURCE Alpha+ beam provided by the EN-Tandem accelerator. 1291300100008 Energy calibration was based on Li-7(P,N) reaction, 1291300100009 and Li-7(a,n1) reaction. 1291300100010 SAMPLE Natural Li metal evaporated onto a 0.250 mm W backing. 1291300100011 METHOD 7-Li(a,n) reaction measured and converted by detailed 1291300100012 balance. 1291300100013 DETECTOR (PROPC)12 He-3 proportional counters symmetrically 1291300100014 embedded for 4pi detection. 1291300100015 Neutron detection efficiency 12%. 1291300100016 MONITOR (3-LI-7(P,N)4-BE-7,,SIG) 1291300100017 CORRECTION Energy dependent backgrounds subtracted. 1291300100018 Background for- 1291300100019 C-13 - less than 1.6 % 1291300100020 O-18 - less than 5.0 % 1291300100021 tungsten backing - less than 1.6 % 1291300100022 unidentifiable - less than 13. % 1291300100023 Dead-time correction - less than 1. % 1291300100024 STATUS B-10(n,a) data from Kavanagh, Priv. Comm. 85/1/7. 1291300100025 (APRVD) R.W.Kavanagh, 85/3/22. 1291300100026 HISTORY (19841129C) 1291300100027 (20180803A) OS. REACTION in sub.2 corrected, minor 1291300100028 BIB changes, converted to lower and upper case. 1291300100029 (20220320A) OS. Data correction in sub.2 1291300100030 ENDBIB 28 0 1291300100031 COMMON 3 3 1291300100032 EN-NRM MONIT MONIT-ERR 1291300100033 MEV MB MB 1291300100034 3.50 290. 15. 1291300100035 ENDCOMMON 3 0 1291300100036 ENDSUBENT 35 0 1291300199999 SUBENT 12913002 20220320 14941291300200001 BIB 6 18 1291300200002 REACTION 1(5-B-10(N,0),,EN) 1291300200003 2(5-B-10(N,TOT),,WID) 1291300200004 3(5-B-10(N,A)3-LI-7,PAR,SIG,,RES) 1291300200005 ANALYSIS Resonance analysis with two resonance-contribution. 1291300200006 No distinction is made between gamma(total), 1291300200007 gamma(n) and gamma(alpha) widths. 1291300200008 ERR-ANALYS (DATA-ERR) The uncertainties assigned by finding 1291300200009 the excursions of the individual parameters 1291300200010 that doubled the xi-squared distribution and1291300200011 do not include the 5% normalization 1291300200012 COMMENT Interpretation of the 241 keV resonance may be 1291300200013 questionable(according to the compiler) based 1291300200014 on other experimental results in the literature. 1291300200015 STATUS (TABLE) Table I, Phys.Rev.C30,1375 1291300200016 HISTORY (19860114A) Corrected REACTION 3, added E-LVL. 1291300200017 (19860422A) BIB correction. 1291300200018 (20180803A) REACTION 3 corrected 1291300200019 (20220320A) E-LVL value added 1291300200020 ENDBIB 18 0 1291300200021 NOCOMMON 0 0 1291300200022 DATA 7 2 1291300200023 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 31291300200024 E-LVL 3 1291300200025 KEV KEV KEV KEV MB MB 1291300200026 KEV 1291300200027 241. 18. 166. 40. 17. 3. 1291300200028 0. 1291300200029 493. 4. 194. 6. 112. 3. 1291300200030 0. 1291300200031 ENDDATA 8 0 1291300200032 ENDSUBENT 31 0 1291300299999 SUBENT 12913003 20180818 14431291300300001 BIB 5 6 1291300300002 REACTION (5-B-10(N,A)3-LI-7,PAR,SIG,,,DERIV) 1291300300003 ANALYSIS (DTBAL) 1291300300004 ERR-ANALYS No information 1291300300005 STATUS (TABLE) Data from Kavanagh, Priv. Comm. 85/1/7. 1291300300006 (DEP,C0485002) 7Li(a,n)10Be cross section 1291300300007 HISTORY (19860114A) Added E-LVL. 1291300300008 ENDBIB 6 0 1291300300009 COMMON 1 3 1291300300010 E-LVL 1291300300011 KEV 1291300300012 0. 1291300300013 ENDCOMMON 3 0 1291300300014 DATA 2 56 1291300300015 EN DATA 1291300300016 MEV MB 1291300300017 0.00825 391.68 1291300300018 0.02226 253.92 1291300300019 0.03628 200.07 1291300300020 0.05030 178.00 1291300300021 0.06432 158.42 1291300300022 0.07834 151.42 1291300300023 0.09236 146.15 1291300300024 0.10637 142.88 1291300300025 0.12039 139.86 1291300300026 0.13441 139.28 1291300300027 0.14843 138.39 1291300300028 0.16245 138.71 1291300300029 0.17646 139.50 1291300300030 0.19048 141.35 1291300300031 0.20450 142.03 1291300300032 0.21852 142.70 1291300300033 0.23254 145.05 1291300300034 0.24656 145.72 1291300300035 0.26057 144.66 1291300300036 0.27459 146.18 1291300300037 0.28861 147.80 1291300300038 0.30263 146.68 1291300300039 0.31665 147.23 1291300300040 0.32996 149.05 1291300300041 0.34468 150.54 1291300300042 0.35870 151.86 1291300300043 0.37272 156.95 1291300300044 0.38604 162.44 1291300300045 0.40006 170.41 1291300300046 0.41478 180.48 1291300300047 0.42809 191.64 1291300300048 0.44211 201.77 1291300300049 0.45613 212.26 1291300300050 0.47015 218.60 1291300300051 0.48417 222.27 1291300300052 0.49818 221.76 1291300300053 0.51220 215.32 1291300300054 0.52622 205.46 1291300300055 0.54024 197.93 1291300300056 0.55426 188.27 1291300300057 0.56827 178.58 1291300300058 0.58229 168.72 1291300300059 0.59631 160.01 1291300300060 0.61033 154.68 1291300300061 0.62435 147.27 1291300300062 0.63837 141.72 1291300300063 0.65238 137.79 1291300300064 0.66640 133.35 1291300300065 0.68042 130.83 1291300300066 0.69444 127.33 1291300300067 0.70846 124.13 1291300300068 0.72248 121.22 1291300300069 0.73579 119.28 1291300300070 0.75051 117.51 1291300300071 0.76453 116.53 1291300300072 0.77785 115.17 1291300300073 ENDDATA 58 0 1291300300074 ENDSUBENT 73 0 1291300399999 ENDENTRY 3 0 1291399999999