ENTRY 22092 19890210 00002209200000001 SUBENT 22092001 19890210 00002209200100001 BIB 13 44 2209200100002 REFERENCE (J,NP/A,483,269,8806) 2209200100003 TITLE -ANALYZING POWER OF N-3HE ELASTIC SCATTERING FROM 1 TO 2209200100004 2 MEV. 2209200100005 AUTHOR (P.JANY,W.HEERINGA,H.O.KLAGES,B.ZEITNITZ,R.GARRET) 2209200100006 INSTITUTE (2GERKFK) 2209200100007 FACILITY (VDG) THE KARLSRUHE VAN DE GRAAFF ACCELERATOR, 2209200100008 DELIVERED A PULSED BEAM (1 MHZ REPETITION RATE, 1 NS 2209200100009 PULSE WIDTH) OF PROTONS WITH ABOUT 2 - 3 MEV ENERGY 2209200100010 AND AN AVERAGE CURRENT OF ABOUT 5 MICROAMPS, 2209200100011 DEFOCUSSED TO A BEAM SPOT OF 8 MM DIAMETER. 2209200100012 INC-SOURCE (POLNS,P-T) TRITIUM TARGET CONSISTED OF A 1.9 MG/CM2 2209200100013 THICK TITANIUM-TRITIUM LAYER ON AN ALUMINIUM BACKING. 2209200100014 POLARIZED NEUTRONS WERE PRODUCED AT AN ANGLE OF 2209200100015 33.9 DEGREES. THE NEUTRONS WERE COLLIMATED BY A 1 M 2209200100016 LONG BORON-LOADED POLYETHYLENE COLLIMATOR TO A NARROW 2209200100017 CONE WITH A SOLID ANGLE OF 1.5E-04 SR. A 45 CM LONG 2209200100018 SUPERCONDUCTING SOLENOID WAS USED BETWEEN THE TARGET 2209200100019 AND COLLIMATOR TO REVERSE PERIODICALLY THE NEUTRON 2209200100020 SPIN DIRECTION. THE POLARIZATION OBTAINED WERE IN THE 2209200100021 INTERVAL 0.28 TO 0.44. 2209200100022 METHOD (TOF) 2209200100023 DETECTOR (SCIN) EVENTS IN THE SAMPLE WERE DETECTED BY OBSERVING 2209200100024 THE SCINTILLATION LIGHT THROUGH QUARTZ WINDOWS WITH A 2209200100025 PM-TUBE. 2209200100026 (SCIN) THE SCATTERED NEUTRONS WERE DETECTED BY SIX 2209200100027 PAIRS OF SCINTILLATION DETECTORS, HAVING DIMENSIONS 2209200100028 OF TYPICALLY 4.5 CM DIAMETER BY 4.5 CM LENGTH, PLACED 2209200100029 AT A DISTANCE OF 50 CM FROM THE SCATTERING SAMPLE. 2209200100030 DIFFERENT SCINTILLATOR TYPES WERE USED, SUCH AS NE213,2209200100031 NE102A AND STILBENE. 2209200100032 .TO SUPPRESS BACKGROUND, THE SAMPLE AND NEUTRON DETEC- 2209200100033 TOR EVENTS WERE MEASURED IN COINCIDENCE. 2209200100034 SAMPLE .A LIQUID HE-3 SCATTERING SAMPLE WITH THE DIMENSIONS 2209200100035 40 MM DIAMTER BY 47 MM HEIGHT, PLACED AT A DISTANCE OF2209200100036 2.8 M FROM THE TRITIUM TARGET, WAS USED. THE SAMPLE 2209200100037 WAS RUNNING AT A TEMPERATURE OF ABOUT 2.3 K. 2209200100038 CORRECTION .CORRECTIONS WERE APPLIED FOR TIME-DEPENDENT CHANGES IN2209200100039 THE HE-3 DETECTOR, UNCORRELATED BACKGROUND, MULTIPLE 2209200100040 SCATTERING AND FINITE SCATTERING GEOMETRY. 2209200100041 ERR-ANALYS (DATA-ERR) THE ERRORS ARE MAINLY DUE TO STATISTICS, BUT2209200100042 ALSO UNCERTAINTIES FROM THE CORRECTIONS ARE INCLUDED. 2209200100043 STATUS .DATA TAKEN FROM MAIN REF. 2209200100044 HISTORY (881126C) N.O. 2209200100045 (881216E) 2209200100046 ENDBIB 44 0 2209200100047 NOCOMMON 0 0 2209200100048 ENDSUBENT 47 0 2209200199999 SUBENT 22092002 19881216 00002209200200001 BIB 3 4 2209200200002 REACTION (2-HE-3(N,EL)2-HE-3,,POL/DA,,ANA) 2209200200003 STATUS .DATA TAKEN FROM MAIN REF. 2209200200004 HISTORY (881126C) N.O. 2209200200005 (881216E) 2209200200006 ENDBIB 4 0 2209200200007 NOCOMMON 0 0 2209200200008 DATA 5 30 2209200200009 EN EN-RSL ANG DATA DATA-ERR 2209200200010 MEV MEV ADEG NO-DIM NO-DIM 2209200200011 9.4400E-01 9.0000E-02 5.0000E+01 3.0600E-01 1.8000E-02 2209200200012 9.4400E-01 9.0000E-02 8.0000E+01 3.0500E-01 4.6000E-02 2209200200013 9.4400E-01 9.0000E-02 1.0000E+02 5.3000E-02 2.0000E-02 2209200200014 9.4400E-01 9.0000E-02 1.2000E+02 1.1000E-02 1.8000E-02 2209200200015 9.4400E-01 9.0000E-02 1.4000E+02-6.0000E-02 1.7000E-02 2209200200016 9.4400E-01 9.0000E-02 1.6000E+02-3.0000E-02 1.7000E-02 2209200200017 1.0000E+00 1.8000E-01 5.0000E+01 3.3800E-01 1.2000E-02 2209200200018 1.0000E+00 1.8000E-01 8.0000E+01 2.9400E-01 3.1000E-02 2209200200019 1.0000E+00 1.8000E-01 1.0000E+02 1.3300E-01 1.3000E-02 2209200200020 1.0000E+00 1.8000E-01 1.2000E+02 3.5000E-02 1.2000E-02 2209200200021 1.0000E+00 1.8000E-01 1.4000E+02-2.9000E-02 1.1000E-02 2209200200022 1.0000E+00 1.8000E-01 1.6000E+02-3.1000E-02 1.1000E-02 2209200200023 1.0530E+00 9.0000E-02 5.0000E+01 3.6100E-01 1.7000E-02 2209200200024 1.0530E+00 9.0000E-02 8.0000E+01 2.9800E-01 4.4000E-02 2209200200025 1.0530E+00 9.0000E-02 1.0000E+02 1.9700E-01 1.8000E-02 2209200200026 1.0530E+00 9.0000E-02 1.2000E+02 6.1000E-02 1.7000E-02 2209200200027 1.0530E+00 9.0000E-02 1.4000E+02-8.0000E-03 1.6000E-02 2209200200028 1.0530E+00 9.0000E-02 1.6000E+02-2.7000E-02 1.5000E-02 2209200200029 1.5000E+00 1.5400E-01 5.0000E+01 3.1100E-01 1.2000E-02 2209200200030 1.5000E+00 1.5400E-01 8.0000E+01 4.9500E-01 3.6000E-02 2209200200031 1.5000E+00 1.5400E-01 1.0000E+02 3.9200E-01 1.7000E-02 2209200200032 1.5000E+00 1.5400E-01 1.2000E+02 2.3500E-01 1.5000E-02 2209200200033 1.5000E+00 1.5400E-01 1.4000E+02 9.9000E-02 1.3000E-02 2209200200034 1.5000E+00 1.5400E-01 1.6000E+02 2.0000E-02 1.2000E-02 2209200200035 2.0000E+00 1.3300E-01 5.0000E+01 1.7400E-01 1.4000E-02 2209200200036 2.0000E+00 1.3300E-01 8.0000E+01 4.3000E-01 5.0000E-02 2209200200037 2.0000E+00 1.3300E-01 1.0000E+02 4.9400E-01 2.6000E-02 2209200200038 2.0000E+00 1.3300E-01 1.2000E+02 3.2100E-01 2.3000E-02 2209200200039 2.0000E+00 1.3300E-01 1.4000E+02 1.6700E-01 1.9000E-02 2209200200040 2.0000E+00 1.3300E-01 1.6000E+02 5.9000E-02 1.8000E-02 2209200200041 ENDDATA 32 0 2209200200042 ENDSUBENT 41 0 2209200299999 ENDENTRY 2 0 2209299999999