ENTRY 21569 19810404 00002156900000001 SUBENT 21569001 19810404 00002156900100001 BIB 11 30 2156900100002 INSTITUTE (2FR GRA) BORDEAUX-GRADIGNAN. 2156900100003 REFERENCE (C,79JUELICH,1,187,80) PAPER SM-241/B5. 2156900100004 AUTHOR (A.SICRE,F.CAITUCOLI,G.BARREAU,T.P.DOAN, 2156900100005 T.BENFOUGHAL,B.LEROUX) 2156900100006 TITLE -STUDY OF THE VIBRATIONAL RESONANCES IN THE 2156900100007 REACTION PA-231(N,F).- (IN FRENCH).- 2156900100008 FACILITY (VDG,2FR GRA) 4 MEV VAN DE GRAAFF. 2156900100009 INC-SOURCE (P-LI7) TARGET OF LI-F. 30 MICRO-AMPERES 2156900100010 OF PROTONS PRODUCE A FLUX OF 1.E+05 N/CM*CM*S 2156900100011 AT A DISTANCE OF 10 CM. 2156900100012 SAMPLE .MADE AT HARWELL. PA-OXYDE ON AN AL-DISK, 2 CM 2156900100013 DIAM, 0.25 MM THICK. THICKNESS OF THE PA-231 2156900100014 2.04 AND 2.01 MG/CM*CM. THE SAMPLES CONTAINED 2156900100015 93.5 +- 0.2 PERC PA-231, AND 6.5 +- 0.1 PERC 2156900100016 DAUGHTERS. 2156900100017 DETECTOR (TRD ) PLASTIC TRACK DETECTORS IN ORDER TO 2156900100018 DISCRIMINATE AGAINST THE HIGH ALPHA BACKGROUND. 2156900100019 THE EFFICIENCY OF THIS DISCRIMINATION IS 2156900100020 ALMOST 100 PERC. FOR THE CROSS SECTION MEASURE- 2156900100021 MENTS A FLAT MACROFOL FOIL, 10 MICRO-METER THICK 2156900100022 WAS USED. FOR THE ANGULAR DISTRIBUTION MEASURE- 2156900100023 MENTS A CYLINDRICAL ONE. 2156900100024 COMMENT .FOR THE CROSS SECTION MEASUREMENTS BACK-TO-BACK 2156900100025 FOILS OF U-235 AND PA-231 WERE USED. FOR THE 2156900100026 ANGULAR DISTRIBUTION MEASUREMENTS A ROTATING TARGET 2156900100027 WAS USED IN ORDER TO AVOID DISTORTIONS OF THE 2156900100028 ANGULAR DISTRIBUTION BY SELFABSORPTION EFFECTS. 2156900100029 STATUS .TEXT, CONFERENCE PAPER. 2156900100030 HISTORY (800609C) G.C. 2156900100031 (800612E) 2156900100032 ENDBIB 30 0 2156900100033 NOCOMMON 0 0 2156900100034 ENDSUBENT 33 0 2156900199999 SUBENT 21569002 19800612 00002156900200001 BIB 3 4 2156900200002 REACTION (91-PA-231(N,F),,DA,,RSD) W(0 DEGR)/W(90 DEGR). 2156900200003 STATUS .TABLE 1, P.197. 2156900200004 HISTORY (800609C) G.C. 2156900200005 (800612E) 2156900200006 ENDBIB 4 0 2156900200007 COMMON 2 3 2156900200008 EN-RSL ANG 2156900200009 KEV ADEG 2156900200010 5.0000E+00 0.0000E+00 2156900200011 ENDCOMMON 3 0 2156900200012 DATA 3 13 2156900200013 EN DATA DATA-ERR 2156900200014 KEV NO-DIM NO-DIM 2156900200015 1.6000E+02 2.6000E-01 3.0000E-02 2156900200016 1.7500E+02 5.0000E-01 5.0000E-02 2156900200017 1.8500E+02 5.1000E-01 6.0000E-02 2156900200018 1.9500E+02 8.4000E-01 5.0000E-02 2156900200019 2.0500E+02 7.7000E-01 5.0000E-02 2156900200020 2.1500E+02 9.5000E-01 6.0000E-02 2156900200021 2.2500E+02 1.0200E+00 7.0000E-02 2156900200022 3.0000E+02 1.1800E+00 1.1000E-01 2156900200023 3.1000E+02 1.1900E+00 4.0000E-02 2156900200024 3.2000E+02 1.0900E+00 5.0000E-02 2156900200025 3.3000E+02 8.0000E-01 1.0000E-01 2156900200026 3.4000E+02 8.5000E-01 6.0000E-02 2156900200027 3.5000E+02 7.8000E-01 5.0000E-02 2156900200028 ENDDATA 15 0 2156900200029 ENDSUBENT 28 0 2156900299999 SUBENT 21569003 19800612 00002156900300001 BIB 3 4 2156900300002 REACTION (91-PA-231(N,F),,DA,,LEG/RSL) LEGENDRE COEFFICIENTS. 2156900300003 STATUS .TABLE 1, P.197, PROCEEDINGS JUELICH-CONF. 2156900300004 HISTORY (800609C) G.C. 2156900300005 (800612E) 2156900300006 ENDBIB 4 0 2156900300007 COMMON 1 3 2156900300008 EN-RSL 2156900300009 KEV 2156900300010 5.0000E+00 2156900300011 ENDCOMMON 3 0 2156900300012 DATA 4 16 2156900300013 EN NUMBER DATA DATA-ERR 2156900300014 KEV NO-DIM ARB-UNITS ARB-UNITS 2156900300015 1.6000E+02 2.0000E+00-6.5600E-01 2.4000E-02 2156900300016 1.7500E+02 2.0000E+00-4.0400E-01 3.9000E-02 2156900300017 1.8500E+02 2.0000E+00-3.8900E-01 4.7000E-02 2156900300018 1.9500E+02 2.0000E+00-1.1300E-01 4.2000E-02 2156900300019 2.0500E+02 2.0000E+00-1.6500E-01 3.9000E-02 2156900300020 2.1500E+02 2.0000E+00-3.5000E-02 4.6000E-02 2156900300021 2.2500E+02 2.0000E+00 1.2000E-02 5.2000E-02 2156900300022 3.0000E+02 2.0000E+00 6.0000E-02 5.5000E-02 2156900300023 3.0000E+02 4.0000E+00 1.4700E-01 6.8000E-02 2156900300024 3.1000E+02 2.0000E+00 1.1900E-01 2.8000E-02 2156900300025 3.2000E+02 2.0000E+00 5.6000E-02 3.8000E-02 2156900300026 3.3000E+02 2.0000E+00-2.4700E-01 5.6000E-02 2156900300027 3.3000E+02 4.0000E+00 2.0100E-01 7.2000E-02 2156900300028 3.4000E+02 2.0000E+00-1.8200E-01 3.4000E-02 2156900300029 3.4000E+02 4.0000E+00 1.5900E-01 4.4000E-02 2156900300030 3.5000E+02 2.0000E+00-1.6200E-01 4.1000E-02 2156900300031 ENDDATA 18 0 2156900300032 ENDSUBENT 31 0 2156900399999 SUBENT 21569004 19800612 00002156900400001 BIB 5 8 2156900400002 REACTION (91-PA-231(N,F),,SIG) FISSION CROSS SECTION. 2156900400003 MONITOR (92-U-235(N,F),,SIG) EVALUATION OF SOWERBY ET AL., 2156900400004 NSE,1,7-8(1974). 2156900400005 COMMENT .ENERGY RESOLUTION OF 5 KEV. ALSO MEASUREMENT 2156900400006 WITH A RESOLUTION OF 2 KEV NEAR 160 KEV N-ENERGY. 2156900400007 STATUS .DATA NOT GIVEN IN PUBLICATION. 2156900400008 HISTORY (800609C) G.C. 2156900400009 (800612E) 2156900400010 ENDBIB 8 0 2156900400011 COMMON 2 3 2156900400012 EN-MIN EN-MAX 2156900400013 KEV KEV 2156900400014 1.3000E+02 4.5000E+02 2156900400015 ENDCOMMON 3 0 2156900400016 NODATA 0 0 2156900400017 ENDSUBENT 16 0 2156900499999 ENDENTRY 4 0 2156999999999