ENTRY 20339 19840416 00002033900000001 SUBENT 20339001 19840416 00002033900100001 BIB 15 39 2033900100002 INSTITUTE (2JPNYOK) 2033900100003 REFERENCE (J,NP/A,215,277,7311) P-ENERGY DIFF.X-SECTION AT 4DEG. 2033900100004 (J,JPJ,32,306,7202) SAME X-SECTIONS AT MANY ANGLES. 2033900100005 .SEE EXFOR ENTRY 20332. 2033900100006 AUTHOR (S.SHIRATO, K.SAITO, N.KOORI) 2033900100007 TITLE -A DETERMINATION OF THE SINGLET NEUTRON-NEUTRON 2033900100008 SCATTERING LENGTH FROM THE H-2(N,P)2N REACTION.- 2033900100009 FACILITY (CCW ) ST.PAUL'S UNIV. COCKCROFT-WALTON ACCELERATOR2033900100010 INC-SOURCE (D-T ) DEUTERON-TRITIUM, H3-TI-CU TARGET. 2033900100011 INC-SPECT 14.1 MEV, ENERGY SPREAD OF INCIDENT NEUTRONS(FWHM) IS 2033900100012 320 +- 50 KEV. 2033900100013 SAMPLE DEUTERATED POLYETHYLENE, 5.09+-0.14 MG/CM2 THICK. 2033900100014 .CONTAMINATION OF NORMAL HYDROGEN IS 3.6 PERC. (RESULT2033900100015 FROM RECOIL PROTON COUNTING). 2033900100016 METHOD MEASUREMENT OF BREAK-UP PROTON SPECTRA WITH COUNTER- 2033900100017 TELESCOPE. 2033900100018 DETECTOR (TELES) COUNTER TELESCOPE CONSISTED OF 2 SI(LI) 2033900100019 DETECTORS AND 3 GAS PROPORTIONAL COUNTERS. 2033900100020 .N-FLUX WAS MONITORED WITH A P-N JUNCTION SI DETECTOR 2033900100021 (''THE ALPHA MONITOR'') FOR ASSOCIATED ALPHAS. 2033900100022 MONITOR .ABSOLUTE. 2033900100023 CROSS-SECTIONS WERE ABSOLUTELY DETERMINED FROM COUNT- 2033900100024 ING RATE, NUMBER OF D-NUCLEI IN THE RADIATOR, INCIDENT2033900100025 N-FLUX AND THE MEASURED PARAMETERS OF EXP. GEOMETRY. 2033900100026 COMMENT SINGLET N-N SCATTERING LENGTH, A(N-N) = -18.31+-0.22FM2033900100027 WITH EFFECTIVE RANGE, R(N-N) = 2.84FM IS OBTAINED. 2033900100028 HISTORY (740116C) 2033900100029 (740723E) 2033900100030 (840106U) A.P.T. JAPAN CODE CHANGED TO JPN 2033900100031 (840106E) 2033900100032 CORRECTION CORRECTED FOR BACKGROUND COUNTING, CONTRIBUTION OF 2033900100033 HYDROGEN CONTAMINATION IN DEUTERATED POLYETHYLENE 2033900100034 RADIATOR, CONTRIBUTION OF BREAK-UP PROTON PRODUCED BY 2033900100035 DEGRADED NEUTRONS, NOT CORRECTED FOR ENERGY LOSSES OF2033900100036 PROTONS IN THE RADIATOR (ABOUT 120 KEV AT 11 MEV) AND 2033900100037 IN THE COUNTER GAS (ABOUT 80 KEV AT 11 MEV). 2033900100038 ERR-ANALYS ONLY STATISTICAL ERROR GIVEN. OVER-ALL SYSTEMATIC 2033900100039 ERR IS +- 3.3 PERCENT, WHICH INCLUDES ERROR IN THE 2033900100040 ABSOLUTE DETERMINATION OF NEUTRON FLUX (+- 1.8 PERC.).2033900100041 ENDBIB 39 0 2033900100042 COMMON 4 3 2033900100043 EN EN-RSL COS ANG-RSL 2033900100044 MEV MEV NO-DIM ADEG 2033900100045 1.4100E+01 1.6000E-01 9.9756E-01 2.2000E+00 2033900100046 ENDCOMMON 3 0 2033900100047 ENDSUBENT 46 0 2033900199999 SUBENT 20339002 19831128 00002033900200001 BIB 4 8 2033900200002 REACTION (1-H-2(N,2N)1-H-1,,DA/DE,P) 2033900200003 PROTON ENERGY DIFFERENTIAL CROSS-SECTION FOR D(N,P)2N,2033900200004 (MILLI-B/(SR-MEV)). 2033900200005 COMMENT .AGREES IN SHAPE WITH PREVIOUS MEASUREMENT, 2033900200006 .SEE NUCL.PHYS.A120,387 (EXFOR ENTRY 20334). 2033900200007 STATUS FROM TABLE 1 OF NUCL.PHYS.A215(1973)277. 2033900200008 HISTORY (740116C) 2033900200009 (740723E) 2033900200010 ENDBIB 8 0 2033900200011 NOCOMMON 0 0 2033900200012 DATA 3 99 2033900200013 E DATA DATA-ERR 2033900200014 MEV MB/SR/MEV MB/SR/MEV 2033900200015 6.0390E+00 9.0300E+00 8.7000E-01 2033900200016 6.1070E+00 9.3800E+00 8.7000E-01 2033900200017 6.1750E+00 8.5300E+00 8.6000E-01 2033900200018 6.2420E+00 9.0100E+00 8.6000E-01 2033900200019 6.3100E+00 8.4200E+00 8.6000E-01 2033900200020 6.3770E+00 8.7800E+00 8.5000E-01 2033900200021 6.4450E+00 7.6800E+00 8.3000E-01 2033900200022 6.5130E+00 7.4000E+00 8.2000E-01 2033900200023 6.5800E+00 7.7000E+00 7.9000E-01 2033900200024 6.6480E+00 7.8700E+00 7.7000E-01 2033900200025 6.7150E+00 8.1600E+00 7.7000E-01 2033900200026 6.7830E+00 7.6900E+00 7.3000E-01 2033900200027 6.8500E+00 9.7400E+00 7.5000E-01 2033900200028 6.9180E+00 8.7100E+00 7.5000E-01 2033900200029 6.9860E+00 8.8700E+00 7.6000E-01 2033900200030 7.0530E+00 8.1000E+00 8.0000E-01 2033900200031 7.1210E+00 6.9500E+00 7.7000E-01 2033900200032 7.1880E+00 7.0500E+00 7.4000E-01 2033900200033 7.2560E+00 8.9300E+00 7.5000E-01 2033900200034 7.3230E+00 7.8600E+00 7.4000E-01 2033900200035 7.3910E+00 8.7800E+00 7.5000E-01 2033900200036 7.4590E+00 6.3400E+00 7.4000E-01 2033900200037 7.5260E+00 7.3200E+00 7.1000E-01 2033900200038 7.5940E+00 7.1000E+00 7.2000E-01 2033900200039 7.6610E+00 7.1500E+00 6.7000E-01 2033900200040 7.7290E+00 7.1500E+00 6.7000E-01 2033900200041 7.7960E+00 7.7200E+00 7.0000E-01 2033900200042 7.8640E+00 7.5800E+00 7.0000E-01 2033900200043 7.9320E+00 7.1200E+00 7.2000E-01 2033900200044 7.9990E+00 6.9400E+00 7.0000E-01 2033900200045 8.0670E+00 6.6800E+00 6.7000E-01 2033900200046 8.1340E+00 6.3000E+00 6.6000E-01 2033900200047 8.2020E+00 5.7200E+00 6.6000E-01 2033900200048 8.2690E+00 6.5100E+00 6.5000E-01 2033900200049 8.3370E+00 7.0900E+00 6.6000E-01 2033900200050 8.4050E+00 6.5700E+00 6.5000E-01 2033900200051 8.4720E+00 7.2900E+00 6.4000E-01 2033900200052 8.5400E+00 7.2900E+00 6.3000E-01 2033900200053 8.6070E+00 7.3400E+00 6.1000E-01 2033900200054 8.6750E+00 6.6400E+00 6.2000E-01 2033900200055 8.7420E+00 6.1100E+00 6.1000E-01 2033900200056 8.8100E+00 6.7200E+00 6.4000E-01 2033900200057 8.8780E+00 7.0400E+00 6.2000E-01 2033900200058 8.9450E+00 5.7900E+00 6.1000E-01 2033900200059 9.0130E+00 7.1100E+00 6.0000E-01 2033900200060 9.0800E+00 7.1300E+00 6.0000E-01 2033900200061 9.1250E+00 7.7800E+00 6.2000E-01 2033900200062 9.1480E+00 7.4200E+00 6.0000E-01 2033900200063 9.2830E+00 7.3100E+00 6.0000E-01 2033900200064 9.3510E+00 6.5800E+00 5.8000E-01 2033900200065 9.4180E+00 5.9300E+00 5.8000E-01 2033900200066 9.4860E+00 6.5400E+00 6.3000E-01 2033900200067 9.5530E+00 6.3400E+00 6.3000E-01 2033900200068 9.6210E+00 6.5800E+00 6.2000E-01 2033900200069 9.6880E+00 5.8000E+00 5.8000E-01 2033900200070 9.7560E+00 6.6700E+00 5.9000E-01 2033900200071 9.8230E+00 7.6500E+00 5.7000E-01 2033900200072 9.8910E+00 7.5000E+00 5.7000E-01 2033900200073 9.9590E+00 7.6200E+00 5.6000E-01 2033900200074 1.0026E+01 7.5600E+00 5.8000E-01 2033900200075 1.0094E+01 8.1300E+00 5.9000E-01 2033900200076 1.0161E+01 7.1700E+00 5.8000E-01 2033900200077 1.0229E+01 8.5800E+00 6.1000E-01 2033900200078 1.0296E+01 8.3600E+00 6.2000E-01 2033900200079 1.0364E+01 8.3000E+00 6.1000E-01 2033900200080 1.0432E+01 9.0700E+00 6.3000E-01 2033900200081 1.0499E+01 9.4600E+00 6.3000E-01 2033900200082 1.0567E+01 9.2900E+00 6.2000E-01 2033900200083 1.0634E+01 1.0540E+01 6.4000E-01 2033900200084 1.0702E+01 1.1540E+01 6.6000E-01 2033900200085 1.0769E+01 1.2850E+01 6.9000E-01 2033900200086 1.0837E+01 1.3370E+01 6.9000E-01 2033900200087 1.0905E+01 1.3080E+01 6.8000E-01 2033900200088 1.0972E+01 1.4960E+01 7.2000E-01 2033900200089 1.1040E+01 1.5500E+01 7.2000E-01 2033900200090 1.1107E+01 1.7540E+01 7.4000E-01 2033900200091 1.1175E+01 1.9210E+01 7.7000E-01 2033900200092 1.1242E+01 1.9440E+01 7.7000E-01 2033900200093 1.1310E+01 2.1000E+01 8.0000E-01 2033900200094 1.1378E+01 1.9540E+01 7.8000E-01 2033900200095 1.1445E+01 1.7820E+01 7.5000E-01 2033900200096 1.1513E+01 1.1660E+01 6.5000E-01 2033900200097 1.1580E+01 7.8500E+00 5.8000E-01 2033900200098 1.1648E+01 5.3700E+00 5.1000E-01 2033900200099 1.1715E+01 2.7200E+00 4.4000E-01 2033900200100 1.1783E+01 1.6000E+00 3.7000E-01 2033900200101 1.1851E+01 8.4000E-01 3.7000E-01 2033900200102 1.1918E+01 2.5000E-01 3.4000E-01 2033900200103 1.1986E+01 2.0000E-02 3.8000E-01 2033900200104 1.2053E+01 0.0000E+00 3.9000E-01 2033900200105 1.2121E+01-3.0000E-01 3.9000E-01 2033900200106 1.2188E+01-2.0000E-02 3.4000E-01 2033900200107 1.2256E+01 3.7000E-01 3.4000E-01 2033900200108 1.2324E+01-2.5000E-01 3.3000E-01 2033900200109 1.2391E+01 2.3000E-01 3.7000E-01 2033900200110 1.2459E+01-1.2000E-01 3.3000E-01 2033900200111 1.2526E+01 4.2000E-01 3.4000E-01 2033900200112 1.2594E+01 1.2000E-01 3.5000E-01 2033900200113 1.2661E+01-1.8000E-01 3.4000E-01 2033900200114 ENDDATA 101 0 2033900200115 ENDSUBENT 114 0 2033900299999 ENDENTRY 2 0 2033999999999