ENTRY 20059 20131120 22382005900000001 SUBENT 20059001 20131120 22382005900100001 BIB 11 40 2005900100002 INSTITUTE (2SWDFOA) 2005900100003 REFERENCE (J,NP,63,593,196503) Resonance parameters, 2005900100004 cross-sections in graphs. 2005900100005 (W,SCHWARZ,196608) Cross-sections on tables. 2005900100006 AUTHOR (S.Schwarz, L.G.Stroemberg, A.Bergstroem) 2005900100007 TITLE A relative measurement of the Li6(n,alpha)H3 reaction 2005900100008 cross section in the range 1 < En < 600 keV 2005900100009 FACILITY (VDG,2SWDFOA) A pulsed van de Graaff accelerator, 2005900100010 beam pulse =about 15 nanosec, repetition rate = 2 MHz, 2005900100011 average beam current = 3 to 5 microA. 2005900100012 INC-SOURCE (P-LI7) Li-7(p,n)Be-7-reaction. Metallic lithium and 2005900100013 Li-F targets evaporated onto silver backings. The 2005900100014 proton beam was monitored by means of gamma rays from 2005900100015 the F-19(p,alpha)O-16 reaction. The amount of LiF 2005900100016 evaporated onto the backing was determined 2005900100017 approximately by weighing on a microbalance. As a rule 2005900100018 targets with 5-10 mu-g/cm2 were used. 2005900100019 SAMPLE .Li-6 glass scintillator. 2005900100020 METHOD (TOF) Flight path varied between 30 and 100 cm. 2005900100021 (BCINT) Monitoring of the beam was also performed 2005900100022 with a current integrator 2005900100023 DETECTOR (SCIN) Li6 glass scintillator = sample, 2005900100024 diameter = 1.9 and 3.8 cm, thickness = 0.9 cm. 2005900100025 (NAICR) Na-I-(Tl) detector to monitor the proton 2005900100026 beam. 2005900100027 CORRECTION .Experimental data corrected for multiple scattering 2005900100028 in the scintillator according to the Monte-Carlo 2005900100029 calculations. 2005900100030 HISTORY (19701226T) From NEUDADA. 2005900100031 (19710908E) 2005900100032 (19810121A) G.C.,Subent 002 split into 002 2005900100033 and 005, ERR-ANALYS changed, converted to 2005900100034 REACTION formalism. 2005900100035 (19810213E) 2005900100036 (19860311U) N.Ch 2005900100037 (19860416E) 2005900100038 (20131120A) SD:Updated to new date formats,lower case, 2005900100039 corrected according to last EXFOR rules and Dict. 2005900100040 REACTION code was changed in Subent 004. 2005900100041 ERR-ANALYS was updated in Subents 002-005. 2005900100042 ENDBIB 40 0 2005900100043 NOCOMMON 0 0 2005900100044 ENDSUBENT 43 0 2005900199999 SUBENT 20059002 20131120 22382005900200001 BIB 7 31 2005900200002 REACTION (3-LI-6(N,T)2-HE-4,,SIG) 2005900200003 ANALYSIS .In the low energy range (E(n)= 1 to 90 keV), the 2005900200004 results are based on the assumption that the neutrons 2005900200005 from the Li-7(p,n)Be-7 reaction are isotropically 2005900200006 distributed in the centre-of-mass system for proton 2005900200007 energies close to the neutron threshold. 2005900200008 MONITOR (3-LI-6(N,T)2-HE-4,,SIG) 2005900200009 MONIT-REF (,D.J.Hughes+,R,BNL-325,1958) 2005900200010 STATUS (TABLE) .Private communication to CCDN, August 1966. 2005900200011 ERR-ANALYS (DATA-ERR) The experimental error is estimated to be 2005900200012 about 5% throughout the energy interval covered. The 2005900200013 errors contributing to the results are of two 2005900200014 different characters. One group consists of 2005900200015 uncertainties inherent in the counting process and the 2005900200016 experimental apparatus, that should be consider 2005900200017 (i) counting statistics, 2005900200018 (ii) monitoring, 2005900200019 (iii) resolution, 2005900200020 (iv) instability and non-linearity and 2005900200021 (v) self-absorption in the backing material. 2005900200022 The other group contains the errors due to treatment 2005900200023 of the experimental data going from primary results to 2005900200024 desired physical information, i.e. contributions as 2005900200025 (vi) secondary effects in the detector, 2005900200026 (vii) uncertainty in normalizing factors, 2005900200027 (viii) deviations from theoretical assumptions and 2005900200028 (ix) ambiguity of theoretical interpretation. 2005900200029 HISTORY (19701226T) From NEUDADA. 2005900200030 (19810121A) G.C., Converted to reaction formalism, 2005900200031 higher energy data transferred to Subent 005. 2005900200032 (20131120U) SD: MONIT-REF was added. 2005900200033 ENDBIB 31 0 2005900200034 COMMON 3 3 2005900200035 EN-NRM MONIT DATA-ERR 2005900200036 EV B PER-CENT 2005900200037 2.5300E-02 9.4500E+02 5.0000E+00 2005900200038 ENDCOMMON 3 0 2005900200039 DATA 2 31 2005900200040 EN DATA 2005900200041 MEV B 2005900200042 2.9000E-03 3.0000E+00 2005900200043 4.7000E-03 2.1000E+00 2005900200044 5.0000E-03 2.1700E+00 2005900200045 5.6000E-03 1.8600E+00 2005900200046 1.6800E-02 1.2000E+00 2005900200047 1.7000E-02 1.3100E+00 2005900200048 4.6000E-02 7.1700E-01 2005900200049 4.9000E-02 7.1600E-01 2005900200050 5.9000E-02 6.6600E-01 2005900200051 7.4000E-02 6.9600E-01 2005900200052 8.0000E-02 6.5700E-01 2005900200053 8.1000E-02 5.8200E-01 2005900200054 8.7000E-02 5.9100E-01 2005900200055 8.8000E-02 5.7800E-01 2005900200056 1.0000E-01 6.0000E-01 2005900200057 1.0100E-01 6.4100E-01 2005900200058 1.0200E-01 5.9700E-01 2005900200059 1.0400E-01 6.6400E-01 2005900200060 1.1500E-01 6.2800E-01 2005900200061 1.2300E-01 6.3900E-01 2005900200062 1.2800E-01 6.9000E-01 2005900200063 1.3000E-01 6.9700E-01 2005900200064 1.3100E-01 7.2200E-01 2005900200065 1.3300E-01 7.3800E-01 2005900200066 1.3600E-01 7.0100E-01 2005900200067 1.4000E-01 8.4400E-01 2005900200068 1.4100E-01 6.9200E-01 2005900200069 1.4300E-01 6.7800E-01 2005900200070 1.4400E-01 7.3100E-01 2005900200071 1.4600E-01 7.3000E-01 2005900200072 1.4800E-01 7.8400E-01 2005900200073 ENDDATA 33 0 2005900200074 ENDSUBENT 73 0 2005900299999 SUBENT 20059003 20131120 22382005900300001 BIB 5 12 2005900300002 REACTION (3-LI-6(N,EL),,WID) Elastic scattering width. 2005900300003 .The resonance energy is the sum of the parameter 2005900300004 E(lambda) = 0.498+-0.02 MeV and the level shift which 2005900300005 is = -0.267+-0.02. 2005900300006 ANALYSIS (SLA) Breit-Wigner single level analysis. 2005900300007 ERR-ANALYS (DATA-ERR) The errors quoted with the parameter values 2005900300008 are determined through simulation on the computer of 2005900300009 possible sources of errors. 2005900300010 STATUS (TABLE) .Data from NP,63,593,1965. 2005900300011 HISTORY (19710803T) From NEUDADA. 2005900300012 (19810121A) G.C., Converted to reaction formalism. 2005900300013 (19860311A) N.Ch 2005900300014 ENDBIB 12 0 2005900300015 NOCOMMON 0 0 2005900300016 DATA 4 1 2005900300017 EN-RES EN-RES-ERR DATA DATA-ERR 2005900300018 EV EV EV EV 2005900300019 2.3100E+05 2.0000E+04 1.8000E+05 1.5000E+04 2005900300020 ENDDATA 3 0 2005900300021 ENDSUBENT 20 0 2005900399999 SUBENT 20059004 20131120 22382005900400001 BIB 6 15 2005900400002 REACTION (3-LI-6(N,T),,WID) 2005900400003 .The resonance energy is the sum of the parameter 2005900400004 E(lambda) = 0.498+-0.02 MeV and the level shift which 2005900400005 is = -0.267+-0.02. 2005900400006 ANALYSIS (SLA) Breit-Wigner single level analysis. 2005900400007 PART-DET (A) Alpha-particles. 2005900400008 ERR-ANALYS (DATA-ERR) The errors quoted with the parameter values 2005900400009 are determined through simulation on the computer of 2005900400010 possible sources of errors. 2005900400011 STATUS (TABLE) .Data from NP,63,593,1965. 2005900400012 HISTORY (19710803T) From NEUDADA. 2005900400013 (19810121A) G.C., Converted to reaction formalism. 2005900400014 (19860311A) N.Ch 2005900400015 (20131120A) SD: REACTION code was changed according to 2005900400016 MEMO CP-D/774 (SF3=A -> T) 2005900400017 ENDBIB 15 0 2005900400018 NOCOMMON 0 0 2005900400019 DATA 4 1 2005900400020 EN-RES EN-RES-ERR DATA DATA-ERR 2005900400021 EV EV EV EV 2005900400022 2.3100E+05 2.0000E+04 3.9000E+04 2.0000E+03 2005900400023 ENDDATA 3 0 2005900400024 ENDSUBENT 23 0 2005900499999 SUBENT 20059005 20131120 22382005900500001 BIB 6 35 2005900500002 REACTION (3-LI-6(N,T)2-HE-4,,SIG) 2005900500003 ANALYSIS .In the higher energy range (E(n) about 150 to 600 keV)2005900500004 the measurements is based on the (n,p) scattering 2005900500005 cross section. 2005900500006 .In order to join the two parts of the cross section 2005900500007 curve a number of angular distributions was measured, 2005900500008 and a comparison was made with the corresponding 2005900500009 measurements of Austin (private communication) at 2005900500010 equal proton energies but only for those laboratory 2005900500011 angles where the neutrons are emitted with energies 2005900500012 above 80 keV. 2005900500013 MONITOR (1-H-1(N,EL)1-H-1,,SIG) Hydrogen scattering cross 2005900500014 no value of normalization energy given. 2005900500015 STATUS (TABLE) .Private communication to CCDN, August 1966. 2005900500016 ERR-ANALYS (DATA-ERR) The experimental error is estimated to be 2005900500017 about 5% throughout the energy interval covered. The 2005900500018 errors contributing to the results are of two 2005900500019 different characters. One group consists of 2005900500020 uncertainties inherent in the counting process and the 2005900500021 experimental apparatus, that should be consider 2005900500022 (i) counting statistics, 2005900500023 (ii) monitoring, 2005900500024 (iii) resolution, 2005900500025 (iv) instability and non-linearity and 2005900500026 (v) self-absorption in the backing material. 2005900500027 The other group contains the errors due to treatment 2005900500028 of the experimental data going from primary results to 2005900500029 desired physical information, i.e. contributions as 2005900500030 (vi) secondary effects in the detector, 2005900500031 (vii) uncertainty in normalizing factors, 2005900500032 (viii) deviations from theoretical assumptions and 2005900500033 (ix) ambiguity of theoretical interpretation. 2005900500034 HISTORY (19810121C) G.C., Added Subent. Data formerly present 2005900500035 in Subent 002. 2005900500036 (20131120U) SD: ERR-ANALYS was updated. 2005900500037 ENDBIB 35 0 2005900500038 COMMON 3 3 2005900500039 EN-NRM-MIN EN-NRM-MAX DATA-ERR 2005900500040 KEV KEV PER-CENT 2005900500041 150. 600. 5. 2005900500042 ENDCOMMON 3 0 2005900500043 DATA 2 52 2005900500044 EN DATA 2005900500045 MEV B 2005900500046 1.6100E-01 9.3400E-01 2005900500047 1.6200E-01 9.1000E-01 2005900500048 1.6600E-01 1.0320E+00 2005900500049 1.9400E-01 1.4320E+00 2005900500050 1.9800E-01 1.4520E+00 2005900500051 2.1300E-01 1.8710E+00 2005900500052 2.2000E-01 2.0730E+00 2005900500053 2.3300E-01 2.3590E+00 2005900500054 2.3500E-01 2.4070E+00 2005900500055 2.4200E-01 2.5350E+00 2005900500056 2.5600E-01 2.4830E+00 2005900500057 2.7000E-01 2.2430E+00 2005900500058 2.7500E-01 2.2710E+00 2005900500059 2.8600E-01 1.7830E+00 2005900500060 2.9200E-01 1.8660E+00 2005900500061 3.0000E-01 1.5100E+00 2005900500062 3.0800E-01 1.3820E+00 2005900500063 3.1000E-01 1.4610E+00 2005900500064 3.2200E-01 1.1090E+00 2005900500065 3.3300E-01 9.0400E-01 2005900500066 3.3800E-01 1.0160E+00 2005900500067 3.4100E-01 9.9000E-01 2005900500068 3.4600E-01 8.7500E-01 2005900500069 3.5500E-01 7.6700E-01 2005900500070 3.5700E-01 7.8900E-01 2005900500071 3.6300E-01 7.4400E-01 2005900500072 3.7300E-01 6.5600E-01 2005900500073 3.9700E-01 5.6000E-01 2005900500074 4.0200E-01 6.0700E-01 2005900500075 4.0700E-01 4.7800E-01 2005900500076 4.1000E-01 4.8100E-01 2005900500077 4.1700E-01 4.7300E-01 2005900500078 4.2000E-01 4.5500E-01 2005900500079 4.3700E-01 3.9900E-01 2005900500080 4.5400E-01 3.4400E-01 2005900500081 4.5800E-01 3.6900E-01 2005900500082 4.5800E-01 3.7800E-01 2005900500083 4.6100E-01 3.5100E-01 2005900500084 4.7800E-01 3.2500E-01 2005900500085 4.8000E-01 3.6900E-01 2005900500086 4.8700E-01 3.5500E-01 2005900500087 4.9300E-01 3.6500E-01 2005900500088 5.0500E-01 3.3300E-01 2005900500089 5.1700E-01 3.0800E-01 2005900500090 5.2500E-01 3.0500E-01 2005900500091 5.3100E-01 3.0300E-01 2005900500092 5.3400E-01 2.9500E-01 2005900500093 5.4000E-01 2.4600E-01 2005900500094 5.4700E-01 2.9400E-01 2005900500095 5.7400E-01 2.9400E-01 2005900500096 5.7800E-01 2.9100E-01 2005900500097 5.8800E-01 2.6800E-01 2005900500098 ENDDATA 54 0 2005900500099 ENDSUBENT 98 0 2005900599999 ENDENTRY 5 0 2005999999999