ENTRY C0807 20010629 0000C080700000001 SUBENT C0807001 20010629 0000C080700100001 BIB 14 32 C080700100002 INSTITUTE (1CANUWO,1CANTMF) C080700100003 REFERENCE (J,PR/C,39,1189,198903) C080700100004 (J,PL/B,179,20,198610) C080700100005 AUTHOR (W.P.Alford,R.Helmer,R.Abegg,A.Celler,D.Frekers, C080700100006 O.Hausser,R.Henderson,K.Hicks,K.P.Jackson,R.Jepperson, C080700100007 C.A.Miller,M.Vetterli) C080700100008 TITLE Zero degree cross section for the reaction C080700100009 14C(p,n)14N(2.31), 14N(3.95) at 200, 300 and 450 MeV C080700100010 FACILITY (MESON,1CANTMF) C080700100011 SAMPLE Elemental carbon enriched to 89% 14C contained in C080700100012 natural nickel can. Total carbon thickness 170 C080700100013 mg/cm2. C080700100014 DETECTOR (MWPC) C080700100015 MONITOR (3-LI-6(P,N)4-BE-6,PAR,DA) Cross section assumed C080700100016 the same for all 3 bombarding energies. C080700100017 (6-C-14(P,N)7-N-14,PAR,DA) Ratio of 2 states. C080700100018 MONIT-REF (,WATSON+,J,BAP,32,1578,1987) C080700100019 (C0810002,ALFORD+,J,PL/B,179,20,1986) C080700100020 ANALYSIS Count rates under peaks summed and measurements of C080700100021 ratio of cross section to the 2 states were used C080700100022 to obtain the seperate cross sections. C080700100023 CORRECTION Corrected for detector efficiencies and dead time. C080700100024 ERR-ANALYS (DATA-ERR) Uncertainty given include uncertainties C080700100025 due to: C080700100026 . counting statistics, C080700100027 . beam integration (about 4%), C080700100028 . cross section ratios of 2 levels (4% at 200 MeV, C080700100029 7% at 300 MeV, 16% at 450 MeV). C080700100030 Additional systematic uncertainties in 7Li(p,n) cross C080700100031 section (7%), and 14C target thickness (9%). C080700100032 STATUS No reply received from W.P. Alford to author proof. C080700100033 HISTORY (20010510C) VM C080700100034 ENDBIB 32 0 C080700100035 COMMON 5 3 C080700100036 ANG E-LVL-NRM E-LVL-NRM MONIT MONIT-ERR C080700100037 ADEG MEV MEV MB/SR MB/SR C080700100038 0. 0. 0.43 35. 3. C080700100039 ENDCOMMON 3 0 C080700100040 ENDSUBENT 39 0 C080700199999 SUBENT C0807002 20010629 0000C080700200001 BIB 2 2 C080700200002 REACTION (6-C-14(P,N)7-N-14,PAR,DA) C080700200003 STATUS Data taken from table I in main reference. C080700200004 ENDBIB 2 0 C080700200005 NOCOMMON 0 0 C080700200006 DATA 4 6 C080700200007 EN E-EXC DATA-CM DATA-ERR C080700200008 MEV MEV MB/SR MB/SR C080700200009 200. 2.31 1.0 0.06 C080700200010 200. 3.95 18.3 0.7 C080700200011 300. 2.31 0.9 0.08 C080700200012 300. 3.95 19.5 1.0 C080700200013 450. 2.31 1.2 0.21 C080700200014 450. 3.95 20.3 1.2 C080700200015 ENDDATA 8 0 C080700200016 ENDSUBENT 15 0 C080700299999 SUBENT C0807003 20010629 0000C080700300001 BIB 2 3 C080700300002 REACTION ((6-C-14(P,N)7-N-14,PAR,DA)// C080700300003 (6-C-14(P,N)7-N-14,PAR,DA)) C080700300004 STATUS Data taken from table I in Phys.Lett. B 179 reference. C080700300005 ENDBIB 3 0 C080700300006 NOCOMMON 0 0 C080700300007 DATA 5 1 C080700300008 EN E-EXC-NM E-EXC-NM DATA-CM DATA-ERR C080700300009 MEV MEV MEV NO-DIM NO-DIM C080700300010 400. 3.95 2.31 17.9 1.5 C080700300011 ENDDATA 3 0 C080700300012 ENDSUBENT 11 0 C080700399999 ENDENTRY 3 0 C080799999999