ENTRY 21547 19810205 00002154700000001 SUBENT 21547001 19810205 00002154700100001 BIB 13 38 2154700100002 INSTITUTE (2FR BRC) CENTRE D'ETUDES, BRUYERES-LE-CHATEL. 2154700100003 (3AULAUA) LAST AUTHOR. 2154700100004 REFERENCE (J,NP/A,334,2,269,800204) 2154700100005 AUTHOR (S.JOLY,G.GRENIER,J.VOIGNER,J.W.BOLDEMAN) 2154700100006 TITLE -RESONANCE NEUTRON CAPTURE SPECTROSCOPY IN SI-28.- 2154700100007 FACILITY (VDG,2FR BRC) 4 MEV VAN DE GRAAFF, OPERATED AT 2154700100008 1 MHZ FREQUENCY, PULSE WIDTH 1 NS, 4 MICRO-AMPERE 2154700100009 AVERAGE PROTON BEAM CURRENT. 2154700100010 INC-SOURCE (P-LI7) METALLIC LITHIUM EVAPORATED ONTO A 2154700100011 TANTALUM BACKING. THICKNESS 23 +- 2 KEV (AT 2154700100012 565.4 KEV NEUTRON ENERGY) AND 24 +- 2 KEV (AT 2154700100013 812.8 KEV). 2154700100014 SAMPLE .LOCATED AT 8.6 CM FROM THE NEUTRON SOURCE, AND 2154700100015 CONSISTING OF 56.94 GRAMS OF NATURAL SILICON IN 2154700100016 POWDER FORM CONTAINED IN A THIN POLYETHYLENE 2154700100017 HOLDER (2.7 GRAM), 5 CM DIAM, 2 CM THICKNESS. 2154700100018 METHOD (TOF ) GAMMA RAY SPECTRA RECORDED AS A FUNCTION 2154700100019 OF TIME-OF-FLIGHT. 2154700100020 DETECTOR (GELI ) 100 CC GE(LI)-DETECTOR WITH A NA-I 2154700100021 ANNULUS, IN A SECOND EXPERIMENT THE GE-LI- 2154700100022 DETECTOR WAS REPLACED WITH A 2154700100023 (NAICR) NA-I-(TL) CRYSTAL OF 152 MM * 76 MM DIAM, 2154700100024 THESE DTECTORS WERE USED IN THE FIRST ESCAPE AND 2154700100025 ANTI COMPTON MODES SIMULTANEOUSLY. 2154700100026 (LONGC) A LONG COUNTER TO MEASURE THE NEUTRON FLUX. 2154700100027 STATUS .TEXT, NP/A,334,269. 2154700100028 HISTORY (800519C) G.C. 2154700100029 (800603E) 2154700100030 CORRECTION .OFF RESONANCE GAMMA SPECTRA. 2154700100031 .NEUTRON SOURCE ANISOTROPY. 2154700100032 .NEUTRON ATTENUATION IN SAMPLE AND IN AIR BETWEEN 2154700100033 SAMPLE AND MONITOR. 2154700100034 .SELF-SHIELDING AND MULTIPLE SCATTERING OF THE 2154700100035 NEUTRONS IN THE SAMPLE. 2154700100036 .GAMMA RAY ATTENUATION IN SAMPLE. 2154700100037 .GAMMA RAY ANGULAR DISTRIBUTION EFFECTS. 2154700100038 .BACKGROUND. 2154700100039 ERR-ANALYS .NO DETAILS GIVEN. 2154700100040 ENDBIB 38 0 2154700100041 NOCOMMON 0 0 2154700100042 ENDSUBENT 41 0 2154700199999 SUBENT 21547002 19810205 00002154700200001 BIB 3 4 2154700200002 REACTION (14-SI-28(N,G),PAR,WID) PARTIAL CAPTURE WIDTH. 2154700200003 STATUS .TABLE 4, NP/A,334,269. 2154700200004 HISTORY (800519C) G.C. 2154700200005 (800603E) 2154700200006 ENDBIB 4 0 2154700200007 NOCOMMON 0 0 2154700200008 DATA 4 10 2154700200009 EN E-LVL DATA DATA-ERR 2154700200010 KEV MEV EV EV 2154700200011 5.6500E+02 0.0000E+00 6.0000E-01 1.5000E-01 2154700200012 5.6500E+02 1.2700E+00 1.8000E-01 5.0000E-02 2154700200013 5.6500E+02 2.0300E+00 1.3000E-01 8.0000E-02 2154700200014 5.6500E+02 2.4300E+00 1.2000E-01 4.0000E-02 2154700200015 5.6500E+02 3.0700E+00 7.0000E-02 3.0000E-02 2154700200016 8.1300E+02 0.0000E+00 2.2000E+00 4.0000E-01 2154700200017 8.1300E+02 1.2700E+00 2.6000E-01 7.0000E-02 2154700200018 8.1300E+02 2.0300E+00 1.1200E+00 2.3000E-01 2154700200019 8.1300E+02 2.4300E+00 2.2000E-01 8.0000E-02 2154700200020 8.1300E+02 3.0700E+00 3.5000E-01 8.0000E-02 2154700200021 ENDDATA 12 0 2154700200022 ENDSUBENT 21 0 2154700299999 SUBENT 21547003 19810205 00002154700300001 BIB 3 5 2154700300002 REACTION (14-SI-28(N,G),,WID) 2154700300003 STATUS .TABLE 5. NP/A,334,269. 2154700300004 (DEP,21547002) 2154700300005 HISTORY (800519C) G.C. 2154700300006 (800603E) 2154700300007 ENDBIB 5 0 2154700300008 NOCOMMON 0 0 2154700300009 DATA 3 2 2154700300010 EN DATA DATA-ERR 2154700300011 KEV EV EV 2154700300012 5.6500E+02 1.1000E+00 4.0000E-01 2154700300013 8.1300E+02 4.2000E+00 8.0000E-01 2154700300014 ENDDATA 4 0 2154700300015 ENDSUBENT 14 0 2154700399999 ENDENTRY 3 0 2154799999999