ENTRY F0480 20110818 F042F048000000001 SUBENT F0480001 20110818 F042F048000100001 BIB 9 23 F048000100002 TITLE Angular distributions of neutron polarization F048000100003 from the 14C(p,n)14N and 11B(alpha,n)14N reactions F048000100004 and R-matrix analysis of 15N in the excitation F048000100005 energy range between 11.5 and 12.5 MeV. F048000100006 AUTHOR (M.Niecke,M.Niemeier,R.Weigel,H.Wirzba-Lorenz) F048000100007 INSTITUTE (2GERHAM) F048000100008 REFERENCE (J,NP/A,289,408,197710) F048000100009 METHOD (TOF) F048000100010 FACILITY (VDG,2GERHAM) F048000100011 DETECTOR (LONGC) Neutron detector F048000100012 ERR-ANALYS (DATA-ERR) The errors for the angular distribution dataF048000100013 were derived from the statistical uncertainty and F048000100014 (ERR-1) the error of 3% estimated for maladjustments F048000100015 and correction of detector efficiency. F048000100016 HISTORY (19920513C) F048000100017 (20030505U) Changed headings in sub.002,003,006 F048000100018 (20110818A) SD: SF1-SF4 in Subent 003 corrected. F048000100019 Data at 1.788, 2.025, 2.272 MeV deleted (measured by F048000100020 Bartholomew+,J,CJP,33,441,1955) F048000100021 Subent 004 - deleted (data are measured by another F048000100022 authors (=F0380.004)). F048000100023 Titles of digitizing errors changed according to new F048000100024 EXFOR rules. F048000100025 ENDBIB 23 0 F048000100026 COMMON 1 3 F048000100027 ERR-1 F048000100028 PER-CENT F048000100029 3.0 F048000100030 ENDCOMMON 3 0 F048000100031 ENDSUBENT 30 0 F048000199999 SUBENT F0480002 20110818 F042F048000200001 BIB 7 14 F048000200002 REACTION (6-C-14(P,N)7-N-14,,DA) F048000200003 SAMPLE The 14C targets were made by cracking 57% 14C enriched F048000200004 acetylene at a low pressure in an electrical discharge F048000200005 between two tantalum electrodes. The 14C layers F048000200006 produced in this way varied thickness between 50 and F048000200007 200 mu-g/cm2. F048000200008 MONITOR (6-C-14(P,N)7-N-14,,DA) F048000200009 MONIT-REF (,R.M.Sanders,J,PR,104,1434,1956) The cross sections F048000200010 are normalized to the absolute values of Sanders F048000200011 ERR-ANALYS (ANG-ERR-D) Digitizing error F048000200012 (ERR-DIG) Digitizing error F048000200013 STATUS (CURVE) Fig.2 F048000200014 HISTORY (20110818A) SD: data at 1 .788, 2.025, 2.272 MeV F048000200015 deleted (measured by Bartholomew)F048000200016 ENDBIB 14 0 F048000200017 COMMON 3 3 F048000200018 EN ANG-ERR-D ERR-DIG F048000200019 MEV ADEG MB/SR F048000200020 2.450 0.3 0.01 F048000200021 ENDCOMMON 3 0 F048000200022 DATA 3 9 F048000200023 ANG-CM DATA-CM DATA-ERR F048000200024 ADEG MB/SR MB/SR F048000200025 17.33 3.251 0.3849 F048000200026 33.29 2.501 0.1640 F048000200027 48.94 1.510 0.1010 F048000200028 64.57 1.334 0.9464E-01 F048000200029 80.00 1.543 0.1199 F048000200030 94.88 1.644 0.1451 F048000200031 109.9 1.878 0.1388 F048000200032 124.3 1.544 0.1388 F048000200033 138.8 1.343 0.1136 F048000200034 ENDDATA 11 0 F048000200035 ENDSUBENT 34 0 F048000299999 SUBENT F0480003 20110818 F042F048000300001 BIB 3 6 F048000300002 REACTION (6-C-14(P,N)7-N-14,,DA,,LEG) F048000300003 STATUS (DEP,F0480002) F048000300004 (TABLE) tbl. 1 from NP/A,289,408 F048000300005 HISTORY (20110810A) SD: SF1, SF2 in REACTION code corrected F048000300006 according to presenting in the article. Lab. system F048000300007 changed on C.M. according to the text of article. F048000300008 ENDBIB 6 0 F048000300009 COMMON 1 3 F048000300010 EN F048000300011 MEV F048000300012 2.450 F048000300013 ENDCOMMON 3 0 F048000300014 DATA 3 5 F048000300015 NUMBER-CM DATA-CM DATA-ERR F048000300016 NO-DIM MB/SR MB/SR F048000300017 0.0 1.71 0.03 F048000300018 1.0 0.41 0.05 F048000300019 2.0 0.42 0.08 F048000300020 3.0 0.85 0.10 F048000300021 4.0 0.63 0.10 F048000300022 ENDDATA 7 0 F048000300023 ENDSUBENT 22 0 F048000399999 NOSUBENT F0480004 20110818 F042F048000400001 SUBENT F0480005 20110818 F042F048000500001 BIB 6 13 F048000500002 REACTION (5-B-11(A,N)7-N-14,,DA) F048000500003 SAMPLE Boron targets were prepared by evaporating 11B F048000500004 enriched to more than 95% onto tantalum backings. F048000500005 The targets used for polarization measurements had F048000500006 a density of about 15 mu-g/cm**2, corresponding to a F048000500007 thickness of 15 keV for 2 MeV alpha particles. F048000500008 MONITOR (5-B-11(A,N)7-N-14,,DA) F048000500009 MONIT-REF (F0464015,T.W.Bonner+,J,PR,102,1348,1956) F048000500010 The absolute cross sections were adjusted to the F048000500011 measurements of Bonner et al.F048000500012 ERR-ANALYS (ANG-ERR-D) Digitizing error F048000500013 (ERR-DIG) Digitizing error F048000500014 STATUS (CURVE) Fig.6 F048000500015 ENDBIB 13 0 F048000500016 COMMON 3 3 F048000500017 EN ANG-ERR-D ERR-DIG F048000500018 MEV ADEG MB/SR F048000500019 2.049 0.5542 0.0551 F048000500020 ENDCOMMON 3 0 F048000500021 DATA 3 10 F048000500022 ANG-CM DATA-CM DATA-ERR F048000500023 ADEG MB/SR MB/SR F048000500024 17.83 18.81 1.334 F048000500025 34.65 15.78 1.000 F048000500026 52.15 11.92 0.8345 F048000500027 68.29 9.898 0.6667 F048000500028 83.04 8.542 0.8334 F048000500029 99.22 7.851 0.5011 F048000500030 114.0 8.995 0.6667 F048000500031 128.1 9.974 0.6667 F048000500032 142.3 12.95 0.8345 F048000500033 155.0 14.27 0.8334 F048000500034 ENDDATA 12 0 F048000500035 ENDSUBENT 34 0 F048000599999 SUBENT F0480006 20110818 F042F048000600001 BIB 3 4 F048000600002 REACTION (5-B-11(A,N)7-N-14,,DA,,LEG) F048000600003 STATUS (TABLE) Table 3 F048000600004 HISTORY (20110810A) SD: Lab. system changed on C.M. according F048000600005 to the text of article. F048000600006 ENDBIB 4 0 F048000600007 COMMON 1 3 F048000600008 EN F048000600009 MEV F048000600010 2.049 F048000600011 ENDCOMMON 3 0 F048000600012 DATA 3 5 F048000600013 NUMBER-CM DATA-CM DATA-ERR F048000600014 NO-DIM MB/SR MB/SR F048000600015 0.0 11.23 0.20 F048000600016 1.0 1.31 0.38 F048000600017 2.0 6.17 0.44 F048000600018 3.0 -0.42 0.54 F048000600019 4.0 0.21 0.60 F048000600020 ENDDATA 7 0 F048000600021 ENDSUBENT 20 0 F048000699999 ENDENTRY 6 0 F048099999999