ENTRY 21942 19850423 00002194200000001 SUBENT 21942001 19850423 00002194200100001 BIB 13 26 2194200100002 INSTITUTE (2FR SAC) H.G.-SERVICE DE PHYSIQUE DU SOLIDE ET DE 2194200100003 RESONANCE MAGNETIQUE 2194200100004 P.M.-LABORATOIRE LEON BRILLOUIN 2194200100005 REFERENCE (J,NP/A,426,(1),137,8409) 2194200100006 AUTHOR (H.GLAETTLI,P.MERIEL) 2194200100007 TITLE -THE PROBLEM OF THE AL-27 NEUTRON SPIN-DEPENDENT 2194200100008 SCATTERING LENGTH 2194200100009 FACILITY (REAC,2FR SAC) ORPHEE REACTOR 2194200100010 INC-SOURCE (REAC) 2194200100011 SAMPLE .POLYCRYSTALLINE SAMPLE OF AL 2194200100012 LENGTH=34.8 MM FOR THE FIRST EXP. 2194200100013 PURITY=99.999 PERCENT 2194200100014 LENGTH=3.32 CM FOR THE SECOND EXP. 2194200100015 METHOD .N-PRECESSION MEASUREMENTS 2194200100016 REL-REF (A,20884003,ROUBEAU+,J,PRL,33,102,7407) 2194200100017 STATUS .MAIN REFERENCE TAKEN FROM THE TEXT 2194200100018 HISTORY (850105C) BL 2194200100019 (850423E) 2194200100020 CORRECTION .ARE ELIMINATED ERRORS DUE TO IMPERFECT POLARIZATION 2194200100021 AND ANALYZATION OF THE NEUTRON BEAM AS WELL AS 2194200100022 DEPOLARIZING EFFECTS DURING THE PRECESSING STAGE 2194200100023 .ERRORS REMAINING ARE INTRINSIC PHASE STABILITY OF 2194200100024 THE APPARATUS LIMITED BY THE MAGNETIC FIELD STABILITY 2194200100025 TO A FEW DEGREES 2194200100026 .UNCERTAINTY IN THE TEMPERATURE 2194200100027 ERR-ANALYS .TAKEN FROM THE TEXT 2194200100028 ENDBIB 26 0 2194200100029 COMMON 1 3 2194200100030 EN 2194200100031 EV 2194200100032 2.5300E-02 2194200100033 ENDCOMMON 3 0 2194200100034 ENDSUBENT 33 0 2194200199999 SUBENT 21942002 19850809 00002194200200001 BIB 3 6 2194200200002 REACTION (13-AL-27(N,THS)13-AL-27,BA,AMP,,FCT) SPIN-DEPENDENT 2194200200003 SCATTERING LENGTH (B+)-(B-) 2194200200004 .FCT IS (I+0.5) WITH I NUCLEAR SPIN 2194200200005 STATUS .MAIN REFERENCE FROM THE TEXT 2194200200006 HISTORY (850105C) 2194200200007 (850423E) 2194200200008 ENDBIB 6 0 2194200200009 NOCOMMON 0 0 2194200200010 DATA 2 1 2194200200011 DATA DATA-ERR 2194200200012 FERMI FERMI 2194200200013 5.2000E-01 3.0000E-02 2194200200014 ENDDATA 3 0 2194200200015 ENDSUBENT 14 0 2194200299999 ENDENTRY 2 0 2194299999999