ENTRY 21617 20170811 22632161700000001 SUBENT 21617001 20170811 22632161700100001 BIB 15 51 2161700100002 INSTITUTE (2UK EDG) University of Edinburgh, Scotland. 2161700100003 REFERENCE (J,PR/C,20,(5),1711,1979) Main reference. 2161700100004 (P,NEANDC(E)-192,(8),121,1977) Abstract. 2161700100005 (P,NEANDC(E)-202,(8),110,1979) Abstract. 2161700100006 AUTHOR (Amena Begum,R.B.Galloway) 2161700100007 TITLE Polarization of 14 MeV neutrons in forward angle 2161700100008 scattering by Cu and Pb 2161700100009 FACILITY (VDG,2UK EDG) Van de Graaff accelerator providing a 2161700100010 350 keV deuteron beam. 2161700100011 INC-SOURCE (D-T) The T(d,n)He-4 reaction using a water cooled 2161700100012 T-Ti target. 2161700100013 SAMPLE .Two natural Cu and two natural Pb samples, the first 2161700100014 scattering sample was 25 mm in diameter by 46 mm 2161700100015 high and the second scattering sample 50 mm in diam. 2161700100016 by 150 mm high, the second placed 92 cm from the 2161700100017 first. 2161700100018 METHOD (TOF) Time-of-flight techniques. 2161700100019 .As the T(d,n)He-4 reaction gives unpolarized neutrons 2161700100020 the experiment was done as a double scattering expe- 2161700100021 riment, where the first sample scattered the neutrons 2161700100022 20 degrees and the second sample scattered the neu- 2161700100023 trons 20 or 34 degrees. 2161700100024 (DSCAT) scattering to 20 deg 2161700100025 (LRASY) scattering to 20 or 34 deg 2161700100026 DETECTOR (SCIN) Four NE213 liquid scintillators, efficiency 2161700100027 calibrated with a Co-60 source and with an energy 2161700100028 discrimination level of 10 MeV to reduce the in- 2161700100029 fluence of inelastically scattered neutrons. 2161700100030 (SCIN) Three plastic scintillators to monitor the 2161700100031 neutron flux, one to measure the alpha particles 2161700100032 in the neutron producing reaction, one to monitor 2161700100033 the singly scattered collimated neutron beam, and 2161700100034 one below the neutron producing target served to 2161700100035 monitor the neutron yield directly from the target. 2161700100036 ADD-RES .The measured data were compared with polarization 2161700100037 values obtained from optical model calculations, 2161700100038 using the computer program RAROMP. 2161700100039 CORRECTION .For- 2161700100040 - instrumental asymmetry due to differences in detec- 2161700100041 tor efficiencies, 2161700100042 - background, 2161700100043 - multiple scattering, using a Monte-Carlo program. 2161700100044 FLAG (1.) value arbitrarily taken to be positive 2161700100045 ERR-ANALYS (ERR-S) Statistical uncertainty 2161700100046 STATUS (TABLE) Tbl. I from PR/C,20,1711,1979 2161700100047 HISTORY (19800806C) CN. 2161700100048 (20170811A) SD:Updated to new date formats,lower case. 2161700100049 Data and REACTION code were changed in Subents 002,003.2161700100050 BIB update.Meaningless zeros were deleted from the data2161700100051 COMMENT -> ADD-RES, DATA-ERR -> ERR-S. 2161700100052 FLAG, METHOD 'DSCAT' and 'LRASY' were added. 2161700100053 ENDBIB 51 0 2161700100054 COMMON 1 3 2161700100055 EN 2161700100056 MEV 2161700100057 14.2 2161700100058 ENDCOMMON 3 0 2161700100059 ENDSUBENT 58 0 2161700199999 SUBENT 21617002 20170811 22632161700200001 BIB 2 3 2161700200002 REACTION (29-CU-0(N,EL)29-CU-0,,POL/DA,,ANA) 2161700200003 HISTORY (20170811A) SD: SF4=Cu-0 added, SF8=ASY -> ANA in 2161700200004 REACTION code. Values were changed accordingly. 2161700200005 ENDBIB 3 0 2161700200006 NOCOMMON 0 0 2161700200007 DATA 4 2 2161700200008 ANG DATA ERR-S FLAG 2161700200009 ADEG NO-DIM NO-DIM NO-DIM 2161700200010 20. 0.36 0.06 1. 2161700200011 34. -0.22 0.30 2161700200012 ENDDATA 4 0 2161700200013 ENDSUBENT 12 0 2161700299999 SUBENT 21617003 20170811 22632161700300001 BIB 2 3 2161700300002 REACTION (82-PB-0(N,EL)82-PB-0,,POL/DA,,ANA) 2161700300003 HISTORY (20170811A) SD: SF4=Pb-0 added, SF8=ASY -> ANA in 2161700300004 REACTION code. Values were changed accordingly. 2161700300005 ENDBIB 3 0 2161700300006 NOCOMMON 0 0 2161700300007 DATA 4 2 2161700300008 ANG DATA ERR-S FLAG 2161700300009 ADEG NO-DIM NO-DIM NO-DIM 2161700300010 20. 0.49 0.09 1. 2161700300011 34. 0.29 0.25 2161700300012 ENDDATA 4 0 2161700300013 ENDSUBENT 12 0 2161700399999 ENDENTRY 3 0 2161799999999