ENTRY 20489 19831004 00002048900000001 SUBENT 20489001 19831004 00002048900100001 BIB 15 41 2048900100002 INSTITUTE (2UK HAR) 2048900100003 REFERENCE (J,ANE,3,399,76) MAIN REF. 2048900100004 (R,EANDC(UK)-158,7402) 2048900100005 AUTHOR (M.C.MOXON, D.A.J.ENDACOTT, J.E.JOLLY) 2048900100006 TITLE -THE NEUTRON CAPTURE CROSS-SECTION OF EU-151 AND 2048900100007 EU-153 IN THE ENERGY RANGE 0.1 TO 100 KEV.- 2048900100008 FACILITY (LINAC) HARWELL 45 MEV ELECTRON LINEAR ACCELERATOR. 2048900100009 INC-SOURCE (PHOTO) BOOSTER AND NATURAL URANIUM TARGET, 2048900100010 SAMPLE .OXIDE SAMPLE - PERCENT ENRICHMENT IN BRACKETS - 2048900100011 EU-151 SAMPLE, EU-151(98.96),EU-153(1.04), THICKNESS 2048900100012 3.7418*E-4 ATOMS/BARN OF EU, 2048900100013 EU-153 SAMPLE, EU-151(0.55),EU-153(99.45), THICKNESS 2048900100014 1.3187*E-3 ATOMS/BARN OF EU. 2048900100015 .THE SAMPLES WERE CONTAINED IN 0.025 THICK, 2.5 CM 2048900100016 DIAMETER ALUMINIUM CANS. 2048900100017 METHOD (TOF ) TIME OF FLIGHT 2048900100018 THREE MEASUREMENTS WERE CARRIED OUT ON EACH SAMPLE 2048900100019 (1) (2) (3) 2048900100020 FLIGHT PATH (M) 32.54 4.61 4.61 2048900100021 ENERGY RANGE (EV) 5 - 2.0E+5 0.1-100 0.007-100 2048900100022 TARGET NEU.BOOSTER U-NAT U-NAT 2048900100023 MODERATOR 2.5 CM POLYETHYLENE 2048900100024 DETECTOR (MOXR ) MOXON-RAE DETECTOR. 2048900100025 PART-DET (G ) GAMMAS. 2048900100026 MONITOR (5-B-10(N,A)3-LI-7,,SIG) SEE NUCL.INSTR.METH., 2048900100027 24(1963)445. 2048900100028 CORRECTION .CORRECTED FOR THE EFFECTS OF THE ALUMINIUM CAN, SAMPLE2048900100029 HOLDER AND THE PRESENCE OF A SMALL FRACTION OF OTHER 2048900100030 ISOTOPES. MULTIPLE SCATTERING AND SELF-SCREENING 2048900100031 CORRECTIONS WERE FOUND ALMOST TO CANCEL OUT IN THIS 2048900100032 ENERGY RANGE ABOVE 100 EV AND HAVE NOT BEEN APPLIED. 2048900100033 ERR-ANALYS (ERR-S) = STATISTICAL ERROR, 2048900100034 (ERR-1) = SYSTEMATIC ERROR. 2048900100035 STATUS .DATA TAKEN FROM EANDC(UK) AND MAIN REFERENCES. 2048900100036 HISTORY (740801C) 2048900100037 (760315E) 2048900100038 (810331A) ERR-ANALYS CHANGED. 2048900100039 (810429E) 2048900100040 (830802A) BN. FINAL REF. AND SE 001 STATUS ADDED. 2048900100041 SE 005 ADDED 2048900100042 (831004E) 2048900100043 ENDBIB 41 0 2048900100044 NOCOMMON 0 0 2048900100045 ENDSUBENT 44 0 2048900199999 SUBENT 20489002 19840120 00002048900200001 BIB 4 10 2048900200002 REACTION (63-EU-0(N,G),,SIG,,AV) 2048900200003 ANALYSIS .CROSS SECTION CALCULATED AS 0.4782*SIGMA(EU-151) + 2048900200004 0.5218*SIGMA(EU-153) 2048900200005 STATUS .FROM TABLE 3 OF EANDC(UK)158AL,1974 FEBRUARY. 2048900200006 (DEP,20489003) 2048900200007 (DEP,20489004) 2048900200008 HISTORY (740801C) 2048900200009 (760315E) 2048900200010 (810331A) 2048900200011 (810429E) 2048900200012 ENDBIB 10 0 2048900200013 NOCOMMON 0 0 2048900200014 DATA 5 27 2048900200015 EN-MAX EN-MIN DATA ERR-S ERR-1 2048900200016 MEV MEV B B B 2048900200017 2.0000E-04 1.0000E-04 8.8990E+01 4.3610E-01 1.8940E+00 2048900200018 3.0000E-04 2.0000E-04 7.3100E+01 4.5990E-01 1.3460E+00 2048900200019 4.0000E-04 3.0000E-04 5.4520E+01 4.2960E-01 1.0650E+00 2048900200020 5.0000E-04 4.0000E-04 5.6080E+01 4.7230E-01 9.5960E-01 2048900200021 6.0000E-04 5.0000E-04 4.2700E+01 4.7470E-01 8.3780E-01 2048900200022 7.0000E-04 6.0000E-04 4.3130E+01 4.2340E-01 7.0680E-01 2048900200023 8.0000E-04 7.0000E-04 3.8630E+01 4.0250E-01 6.3660E-01 2048900200024 9.0000E-04 8.0000E-04 4.1130E+01 3.9680E-01 5.9640E-01 2048900200025 1.0000E-03 9.0000E-04 3.3840E+01 3.9880E-01 5.6860E-01 2048900200026 2.0000E-03 1.0000E-03 2.5470E+01 1.2620E-01 4.4370E-01 2048900200027 3.0000E-03 2.0000E-03 1.7880E+01 1.7500E-01 5.0050E-01 2048900200028 4.0000E-03 3.0000E-03 1.4510E+01 1.4920E-01 3.6560E-01 2048900200029 5.0000E-03 4.0000E-03 1.1810E+01 1.7290E-01 3.8120E-01 2048900200030 6.0000E-03 5.0000E-03 1.0120E+01 1.7310E-01 3.3510E-01 2048900200031 7.0000E-03 6.0000E-03 9.5480E+00 1.5750E-01 2.9410E-01 2048900200032 8.0000E-03 7.0000E-03 8.1380E+00 1.4760E-01 2.6110E-01 2048900200033 9.0000E-03 8.0000E-03 7.6460E+00 1.5010E-01 2.5130E-01 2048900200034 1.0000E-02 9.0000E-03 7.4050E+00 1.3400E-01 2.1110E-01 2048900200035 2.0000E-02 1.0000E-02 5.7240E+00 6.3430E-02 2.9670E-01 2048900200036 3.0000E-02 2.0000E-02 4.0440E+00 5.3770E-02 1.9760E-01 2048900200037 4.0000E-02 3.0000E-02 3.5100E+00 9.6450E-02 3.4600E-01 2048900200038 5.0000E-02 4.0000E-02 2.9890E+00 6.5830E-02 2.1460E-01 2048900200039 6.0000E-02 5.0000E-02 2.8710E+00 5.2170E-02 1.4700E-01 2048900200040 7.0000E-02 6.0000E-02 2.5980E+00 4.5980E-02 1.2380E-01 2048900200041 8.0000E-02 7.0000E-02 2.5130E+00 5.0560E-02 1.3050E-01 2048900200042 9.0000E-02 8.0000E-02 2.3620E+00 7.4900E-02 1.9900E-01 2048900200043 1.0000E-01 9.0000E-02 2.4030E+00 7.5130E-02 1.9660E-01 2048900200044 ENDDATA 29 0 2048900200045 ENDSUBENT 44 0 2048900299999 SUBENT 20489003 19840120 00002048900300001 BIB 4 10 2048900300002 REACTION (63-EU-151(N,G)63-EU-152,,SIG,,AV) 2048900300003 STATUS .FROM TABLE 3 OF EANDC(UK)158AL,1974 FEBRUARY. 2048900300004 HISTORY (740801C) 2048900300005 (760315E) 2048900300006 (810331A) 2048900300007 (810429E) 2048900300008 ERR-ANALYS .ROOT OF QUADRATIC SUM OF SEVERAL UNCERTAINTIES SUCH AS2048900300009 STATISTICAL(5 TO 0.5 PERC.), DETERMINATION OF THE 2048900300010 BACKGROUND, NORMALISATION AND THE CORRECTION FOR THE 2048900300011 SAMPLE CAN AND ITS MOUNTING. VARIES FROM 2 TO 15 PC. 2048900300012 ENDBIB 10 0 2048900300013 NOCOMMON 0 0 2048900300014 DATA 5 27 2048900300015 EN-MAX EN-MIN DATA ERR-S ERR-1 2048900300016 MEV MEV B B B 2048900300017 2.0000E-04 1.0000E-04 1.2050E+02 8.4830E-01 3.7390E+00 2048900300018 3.0000E-04 2.0000E-04 1.0080E+02 8.9530E-01 2.6640E+00 2048900300019 4.0000E-04 3.0000E-04 7.4950E+01 8.4120E-01 2.1120E+00 2048900300020 5.0000E-04 4.0000E-04 6.9100E+01 9.0140E-01 1.8780E+00 2048900300021 6.0000E-04 5.0000E-04 5.9070E+01 9.2830E-01 1.6610E+00 2048900300022 7.0000E-04 6.0000E-04 5.7130E+01 8.2430E-01 1.3940E+00 2048900300023 8.0000E-04 7.0000E-04 4.8480E+01 7.8030E-01 1.2520E+00 2048900300024 9.0000E-04 8.0000E-04 5.2290E+01 7.6640E-01 1.1710E+00 2048900300025 1.0000E-03 9.0000E-04 4.3880E+01 7.7490E-01 1.1220E+00 2048900300026 2.0000E-03 1.0000E-03 3.3360E+01 2.4580E-01 8.7730E-01 2048900300027 3.0000E-03 2.0000E-03 2.3640E+01 3.4160E-01 9.8670E-01 2048900300028 4.0000E-03 3.0000E-03 1.9260E+01 2.9210E-01 7.2400E-01 2048900300029 5.0000E-03 4.0000E-03 1.5550E+01 3.3750E-01 7.5480E-01 2048900300030 6.0000E-03 5.0000E-03 1.3560E+01 3.4130E-01 6.6550E-01 2048900300031 7.0000E-03 6.0000E-03 1.2550E+01 3.0840E-01 5.8210E-01 2048900300032 8.0000E-03 7.0000E-03 1.0680E+01 2.8960E-01 5.1880E-01 2048900300033 9.0000E-03 8.0000E-03 1.0020E+01 2.9500E-01 4.9960E-01 2048900300034 1.0000E-02 9.0000E-03 9.3880E+00 2.6220E-01 4.1930E-01 2048900300035 2.0000E-02 1.0000E-02 7.4030E+00 1.2440E-01 5.8720E-01 2048900300036 3.0000E-02 2.0000E-02 5.0620E+00 1.0550E-01 3.9220E-01 2048900300037 4.0000E-02 3.0000E-02 4.4690E+00 1.9050E-01 6.8630E-01 2048900300038 5.0000E-02 4.0000E-02 3.6330E+00 1.2910E-01 4.2420E-01 2048900300039 6.0000E-02 5.0000E-02 3.4690E+00 1.0190E-01 2.9050E-01 2048900300040 7.0000E-02 6.0000E-02 3.0180E+00 8.9730E-02 2.4540E-01 2048900300041 8.0000E-02 7.0000E-02 2.9280E+00 9.8930E-02 2.5880E-01 2048900300042 9.0000E-02 8.0000E-02 2.7890E+00 1.4740E-01 3.9460E-01 2048900300043 1.0000E-01 9.0000E-02 2.8650E+00 1.4690E-01 3.8690E-01 2048900300044 ENDDATA 29 0 2048900300045 ENDSUBENT 44 0 2048900399999 SUBENT 20489004 19840120 00002048900400001 BIB 4 10 2048900400002 REACTION (63-EU-153(N,G)63-EU-154,,SIG,,AV) 2048900400003 STATUS .FROM TABLE 3 OF EANDC(UK)158AL,1974 FEBRUARY. 2048900400004 HISTORY (740801C) 2048900400005 (760315E) 2048900400006 (810331A) 2048900400007 (810429E) 2048900400008 ERR-ANALYS .ROOT OF QUADRATIC SUM OF SEVERAL UNCERTAINTIES SUCH AS2048900400009 STATISTICAL(5 TO 0.5 PERC.), DETERMINATION OF THE 2048900400010 BACKGROUND, NORMALISATION AND THE CORRECTION FOR THE 2048900400011 SAMPLE CAN AND ITS MOUNTING. VARIES FROM 2 TO 15 PC. 2048900400012 ENDBIB 10 0 2048900400013 NOCOMMON 0 0 2048900400014 DATA 5 27 2048900400015 EN-MAX EN-MIN DATA ERR-S ERR-1 2048900400016 MEV MEV B B B 2048900400017 2.0000E-04 1.0000E-04 6.0140E+01 3.0660E-01 1.1940E+00 2048900400018 3.0000E-04 2.0000E-04 4.7690E+01 3.2190E-01 8.3000E-01 2048900400019 4.0000E-04 3.0000E-04 3.5790E+01 2.8890E-01 6.4900E-01 2048900400020 5.0000E-04 4.0000E-04 4.4140E+01 3.7000E-01 6.4880E-01 2048900400021 6.0000E-04 5.0000E-04 2.7700E+01 3.2250E-01 5.0950E-01 2048900400022 7.0000E-04 6.0000E-04 3.0290E+01 2.9620E-01 4.5070E-01 2048900400023 8.0000E-04 7.0000E-04 2.9600E+01 2.8910E-01 4.1430E-01 2048900400024 9.0000E-04 8.0000E-04 3.0910E+01 2.9150E-01 3.9480E-01 2048900400025 1.0000E-03 9.0000E-04 2.4630E+01 2.8260E-01 3.6030E-01 2048900400026 2.0000E-03 1.0000E-03 1.8250E+01 8.8060E-02 2.7650E-01 2048900400027 3.0000E-03 2.0000E-03 1.2590E+01 1.2020E-01 3.2010E-01 2048900400028 4.0000E-03 3.0000E-03 1.0150E+01 1.0030E-01 2.2510E-01 2048900400029 5.0000E-03 4.0000E-03 8.3960E+00 1.1900E-01 2.3530E-01 2048900400030 6.0000E-03 5.0000E-03 6.9770E+00 1.1080E-01 2.0120E-01 2048900400031 7.0000E-03 6.0000E-03 6.7970E+00 1.0600E-01 1.8200E-01 2048900400032 8.0000E-03 7.0000E-03 5.8110E+00 9.7750E-02 1.5620E-01 2048900400033 9.0000E-03 8.0000E-03 5.4690E+00 9.7950E-02 1.4910E-01 2048900400034 1.0000E-02 9.0000E-03 5.5870E+00 9.0460E-02 1.2630E-01 2048900400035 2.0000E-02 1.0000E-02 4.1860E+00 4.2110E-02 1.8390E-01 2048900400036 3.0000E-02 2.0000E-02 3.1120E+00 3.5550E-02 1.1940E-01 2048900400037 4.0000E-02 3.0000E-02 2.6310E+00 6.0670E-02 2.1000E-01 2048900400038 5.0000E-02 4.0000E-02 2.3980E+00 4.3830E-02 1.3420E-01 2048900400039 6.0000E-02 5.0000E-02 2.3220E+00 3.5800E-02 9.2310E-02 2048900400040 7.0000E-02 6.0000E-02 2.2130E+00 3.1660E-02 7.5420E-02 2048900400041 8.0000E-02 7.0000E-02 2.1330E+00 3.4170E-02 7.9240E-02 2048900400042 9.0000E-02 8.0000E-02 1.9710E+00 4.8440E-02 1.2130E-01 2048900400043 1.0000E-01 9.0000E-02 1.9810E+00 5.1100E-02 1.2710E-01 2048900400044 ENDDATA 29 0 2048900400045 ENDSUBENT 44 0 2048900499999 SUBENT 20489005 19840206 00002048900500001 BIB 4 15 2048900500002 REACTION 1(63-EU-151(N,0),,EN) 2048900500003 2(63-EU-151(N,EL),,WID) 2048900500004 3(63-EU-151(N,EL),,WID/RED) 2048900500005 4(63-EU-151(N,G),,WID) 2048900500006 5(63-EU-151(N,0),,J) 2048900500007 .ADJUSTED LOW ENERGY RESONANCE PARAMETERS OF EU-151 2048900500008 ANALYSIS .DATA WERE ANALYSED BY ADJUSTING THE RESONANCE 2048900500009 PARAMETERS, WITH STARTING VALUES TAKEN FROM 2048900500010 THE BNL COMPILATION (BNL 325,GOLDBERG ET AL.,1966), 2048900500011 UNTIL THE CAPTURE YIELD CALCULATED FROM THE CROSS 2048900500012 SECTION OBTAINED FROM THE ADJUSTED PARAMETERS 2048900500013 AGREED WITH THE EXPERIMENTAL DATA. 2048900500014 STATUS .DATA TAKEN FROM MAIN REF., TABLE 4. 2048900500015 HISTORY (830802C) 2048900500016 (831004E) 2048900500017 ENDBIB 15 0 2048900500018 NOCOMMON 0 0 2048900500019 DATA 5 5 2048900500020 DATA 1DATA 2DATA 3DATA 4DATA 5 2048900500021 EV MILLI-EV MILLI-EV MILLI-EV NO-DIM 2048900500022 -2.0000E-02 1.1700E-01 9.0000E+01 3.0000E+00 2048900500023 3.2100E-01 7.7700E-02 8.0000E+01 3.0000E+00 2048900500024 4.6100E-01 6.6340E-01 8.9000E+01 3.0000E+00 2048900500025 1.0550E+00 1.9320E-01 9.0000E+01 3.0000E+00 2048900500026 1.8300E+00 3.2500E-02 9.0000E+01 4.0000E+00 2048900500027 ENDDATA 7 0 2048900500028 ENDSUBENT 27 0 2048900599999 ENDENTRY 5 0 2048999999999