ENTRY 21792 19830111 00002179200000001 SUBENT 21792001 19830111 00002179200100001 BIB 14 30 2179200100002 INSTITUTE (2BLGLVN) ALL AUTHORS EXCEPT L.PH.R. 2179200100003 (2SWTZUR) L.PH.R. 2179200100004 REFERENCE (J,PR/C,25,6,2883,8206) 2179200100005 AUTHOR (A.DEBROUX,N.DEFAWE,P.DEMEURE,L.GRENACS,P.LEBRUN, 2179200100006 P.LELEUX,L.PALFFY,A.POSSOZ,L.PH.ROESCH) 2179200100007 TITLE -ACTIVATION REACTION C-12(N,P)B-12 AS A SPIN ANALYZER 2179200100008 FOR FAST NEUTRONS. 2179200100009 FACILITY (CYCLO) UNIVERSITY OF LOUVAIN CYCLOTRON. 2179200100010 INC-SOURCE (POLNS) POLARIZED NEUTRON BEAM PRODUCED BY THE 2179200100011 1-H-2(A,N)A,P REACTION. 2179200100012 SAMPLE .A TARGET OF GRAPHITE OR TEFLON 1.7 G/CM2 THICK 2179200100013 INSIDE HELMHOLTZ COILS PRODUCING A 2 KILOGAUSS 2179200100014 MAGNETIC FIELD TO PRESERVE THE B-12 POLARIZATION. 2179200100015 METHOD (ACTIV) CYCLTRON OPERATED IN PULSED MODE,30 MILLI-S 2179200100016 ON,60 MILLI-S OFF.ASYMMETRY OF BETA RAYS FROM 2179200100017 B-12 MEASURED DURING BEAM OFF PERIOD. 2179200100018 DETECTOR (COIN,SCIN,SCIN,SCIN) 2179200100019 TWO BETA RAY COUNTER TELESCOPES EACH OF 2179200100020 THREE PLASTIC SCINTILLATORS. QUADRUPLE 2179200100021 COINCIDENCES COUNTED TO MEASURE BETAS 2179200100022 PARALLEL AND ANTIPARALLEL TO NEUTRON BEAM. 2179200100023 PART-DET (B- ) BETAS FROM B-12 DECAY. 2179200100024 STATUS .DATA TAKEN FROM REFERENCE. 2179200100025 HISTORY (821018C) A.P.T. 2179200100026 (830111E) 2179200100027 CORRECTION .BACKGROUND COUNTS 2179200100028 .GEOMETRIC EFFECTS 2179200100029 .SPREAD OF LAMOUR ANGLE 2179200100030 .RELAXATION AND PARITAL DECOUPLING. 2179200100031 ERR-ANALYS .NO DETAILS GIVEN. 2179200100032 ENDBIB 30 0 2179200100033 NOCOMMON 0 0 2179200100034 ENDSUBENT 33 0 2179200199999 SUBENT 21792002 19830111 00002179200200001 BIB 4 13 2179200200002 REACTION (6-C-12(N,P)5-B-12,,POL) 2179200200003 POLARIZATION OF B-12 NUCLEUS. 2179200200004 STATUS .DATA TAKEN FROM REFERENCE. 2179200200005 HISTORY (821018C) A.P.T. 2179200200006 (830111E) 2179200200007 CORRECTION .THE AUTHORS ALSO QUOTE A POLARIZATION TRANSFER 2179200200008 EFFICIENCY, FROM NEUTRON TO B-12 AS 0.11 +/- 0.02. 2179200200009 THIS IS DEFINED AS THE RATIO OF THE B-12 TO THE 2179200200010 NEUTRON POLARIZATION. 2179200200011 .THE NEGATIVE SIGN IN THE BEAM POLARIZATION QUOTED 2179200200012 IN THE DATA SECTION ARISES FROM THE BASEL CONVENTION. 2179200200013 IT CORRESPONDS TO SPIN UP NEUTRONS IN THE 2179200200014 LABORATORY FRAME. 2179200200015 ENDBIB 13 0 2179200200016 NOCOMMON 0 0 2179200200017 DATA 4 1 2179200200018 EN DATA DATA-ERR POL-BM 2179200200019 MEV NO-DIM NO-DIM NO-DIM 2179200200020 1.8000E+01 4.8000E-02 6.0000E-03-4.5000E-01 2179200200021 ENDDATA 3 0 2179200200022 ENDSUBENT 21 0 2179200299999 ENDENTRY 2 0 2179299999999