ENTRY A1040 20240707 A113A1040 0 1 SUBENT A1040001 20240707 A113A1040 1 1 BIB 7 15 A1040 1 2 TITLE Cross section and polarization measurements for the A1040 1 3 3He(He3,n)5Li reaction A1040 1 4 AUTHOR (J.T.Klopcic,S.E.Darden) A1040 1 5 REFERENCE (J,PR/C,3,2171,1971) A1040 1 6 INSTITUTE (1USANOT) A1040 1 7 FACILITY (VDG,1USANOT) 4 MeV A1040 1 8 CORRECTION Contributions from the three-body breakup channel A1040 1 9 3H(He3,np)4He were removed by assuming these neutrons A1040 1 10 to be unpolarized and to have a statistical energy A1040 1 11 distribution in the high-energy portion of the A1040 1 12 neutron spectrum A1040 1 13 HISTORY (19810311C) Compilation produced by Arzamas RFNC-VNIIEFA1040 1 14 (19990115U)CNPD: corrected 4-dig. year and lower cases.A1040 1 15 (20240707A) SD: Corrections in all Subents. Subent 005 A1040 1 16 was added. A1040 1 17 ENDBIB 15 0 A1040 1 18 NOCOMMON 0 0 A1040 1 19 ENDSUBENT 18 0 A1040 199999 SUBENT A1040002 20240707 A113A1040 2 1 BIB 9 21 A1040 2 2 REACTION (1-H-3(HE3,N)3-LI-5,,DA) A1040 2 3 SAMPLE Tritium targets consisted of thin copper disks A1040 2 4 containing a layer of titanium into which tritium had A1040 2 5 been absorbed. A1040 2 6 For the cross-section measurements, the titanium was A1040 2 7 270-keV thick to 3-MeV 3He+ ions. A1040 2 8 DETECTOR (SCIN) A liquid scintillator Ne213 5 cm x 5 cm diam. A1040 2 9 MONITOR (1-H-3(HE3,N)3-LI-5,,DA) A1040 2 10 MONIT-REF (C0004001,S.J.Bame Jr+,J,PR,107,1616,1957) A1040 2 11 METHOD (PHD,BCINT) A1040 2 12 ERR-ANALYS (ERR-1) Order of 10%, arise from approximately equal A1040 2 13 contributions from statistical uncertainties in the A1040 2 14 data and from uncertainty in the separation of the A1040 2 15 monoenergetic-neutron-recoil spectrum from the measuredA1040 2 16 spectrum. A1040 2 17 (ERR-2,,5.) The absolute uncertainty associated with A1040 2 18 the normalization of the cross section appears to be A1040 2 19 about 5% or less. A1040 2 20 STATUS (TABLE,,J.T.Klopcic+,J,PR/C,3,2171,1971) Table II A1040 2 21 HISTORY (20240707A) SD: SF9=EXP deleted from REACTION code. A1040 2 22 DATA-ERR -> ERR-1. A1040 2 23 ENDBIB 21 0 A1040 2 24 COMMON 1 3 A1040 2 25 ANG-RSL A1040 2 26 ADEG A1040 2 27 3. A1040 2 28 ENDCOMMON 3 0 A1040 2 29 DATA 4 25 A1040 2 30 EN ANG-CM DATA-CM ERR-1 A1040 2 31 MEV ADEG MB/SR MB/SR A1040 2 32 2.7 0.0 1.05 0.07 A1040 2 33 2.7 11.5 1.06 0.12 A1040 2 34 2.7 23.0 1.17 0.13 A1040 2 35 2.7 34.4 1.36 0.15 A1040 2 36 2.7 45.6 1.37 0.15 A1040 2 37 2.7 56.7 1.39 0.15 A1040 2 38 2.7 67.6 1.37 0.15 A1040 2 39 2.7 78.2 1.24 0.13 A1040 2 40 2.7 88.6 1.05 0.13 A1040 2 41 2.7 98.6 1.04 0.13 A1040 2 42 2.7 108.6 0.96 0.13 A1040 2 43 2.7 118.2 1.02 0.13 A1040 2 44 2.7 127.6 0.89 0.13 A1040 2 45 2.7 136.7 0.83 0.14 A1040 2 46 2.7 145.6 0.7 0.14 A1040 2 47 3.55 0.0 1.38 0.15 A1040 2 48 3.55 17.5 1.67 0.19 A1040 2 49 3.55 34.9 1.98 0.22 A1040 2 50 3.55 46.3 1.89 0.21 A1040 2 51 3.55 68.5 1.76 0.20 A1040 2 52 3.55 84.5 1.56 0.18 A1040 2 53 3.55 100.0 1.41 0.16 A1040 2 54 3.55 114.5 1.29 0.15 A1040 2 55 3.55 128.5 1.24 0.17 A1040 2 56 3.55 141.9 1.06 0.2 A1040 2 57 ENDDATA 27 0 A1040 2 58 ENDSUBENT 57 0 A1040 299999 SUBENT A1040003 20240707 A113A1040 3 1 BIB 9 21 A1040 3 2 REACTION (1-H-3(HE3,N)3-LI-5,,DA) A1040 3 3 SAMPLE Tritium targets consisted of thin copper disks A1040 3 4 containing a layer of titanium into which tritium had A1040 3 5 been absorbed. A1040 3 6 For the cross-section measurements, the titanium was A1040 3 7 270-keV thick to 3-MeV 3He+ ions. A1040 3 8 DETECTOR (SCIN) A liquid scintillator NE213 5 cm x 5 cm diam. A1040 3 9 MONITOR (1-H-3(HE3,N)3-LI-5,,DA) A1040 3 10 MONIT-REF (C0004001,S.J.Bame Jr+,J,PR,107,1616,1957) A1040 3 11 METHOD (PHD,BCINT) A1040 3 12 ERR-ANALYS (ERR-1) Order of 10%, arise from approximately equal A1040 3 13 contributions from statistical uncertainties in the A1040 3 14 data and from uncertainty in the separation of the A1040 3 15 monoenergetic-neutron-recoil spectrum from the measuredA1040 3 16 spectrum. A1040 3 17 (ERR-2,,5.) The absolute uncertainty associated with A1040 3 18 the normalization of the cross section appears to be A1040 3 19 about 5% or less. A1040 3 20 STATUS (CURVE,,J.T.Klopcic+,J,PR/C,3,2171,1971) Fig.5 A1040 3 21 HISTORY (20240707A) SD: SF9=EXP deleted from REACTION code. A1040 3 22 EN-ERR -> EN-ERR-DIG; DATA-ERR1 -> ERR-1. A1040 3 23 ENDBIB 21 0 A1040 3 24 COMMON 1 3 A1040 3 25 EN-ERR-DIG A1040 3 26 MEV A1040 3 27 0.01 A1040 3 28 ENDCOMMON 3 0 A1040 3 29 DATA 4 15 A1040 3 30 ANG EN DATA ERR-1 A1040 3 31 ADEG MEV MB/SR MB/SR A1040 3 32 0. 1.58 0.789 0.107 A1040 3 33 0. 2.19 1.075 0.133 A1040 3 34 0. 2.79 1.442 0.177 A1040 3 35 0. 3.38 1.960 0.240 A1040 3 36 0. 3.62 1.891 0.196 A1040 3 37 40. 1.00 0.347 0.063 A1040 3 38 40. 1.30 0.587 0.095 A1040 3 39 40. 1.59 0.853 0.126 A1040 3 40 40. 1.89 0.979 0.126 A1040 3 41 40. 2.19 1.175 0.145 A1040 3 42 40. 2.49 1.466 0.177 A1040 3 43 40. 2.78 1.700 0.196 A1040 3 44 40. 3.09 1.903 0.334 A1040 3 45 40. 3.39 2.301 0.278 A1040 3 46 40. 3.69 2.402 0.296 A1040 3 47 ENDDATA 17 0 A1040 3 48 ENDSUBENT 47 0 A1040 399999 SUBENT A1040004 20240707 A113A1040 4 1 BIB 5 9 A1040 4 2 REACTION (1-H-3(HE3,N+P)2-HE-4,,DA,N) A1040 4 3 DETECTOR (SCIN) A liquid scintillator NE213 5 cm x 5 cm diam. A1040 4 4 ERR-ANALYS (DATA-ERR) Order of 10%, arise from approximately equalA1040 4 5 contributions from statistical uncertainties in the A1040 4 6 data and from uncertainty in the separation of the A1040 4 7 monoenergetic-neutron-recoil spectrum from the measuredA1040 4 8 spectrum. A1040 4 9 STATUS (TABLE,,J.T.Klopcic+,J,PR/C,3,2171,1971) Table 2 A1040 4 10 HISTORY (20240707A) SD: SF9=EXP deleted from REACTION code. A1040 4 11 ENDBIB 9 0 A1040 4 12 NOCOMMON 0 0 A1040 4 13 DATA 4 25 A1040 4 14 EN ANG-CM DATA-CM DATA-ERR A1040 4 15 MEV ADEG MB/SR MB/SR A1040 4 16 2.7 0. 0.51 0.18 A1040 4 17 2.7 11.5 0.5 0.18 A1040 4 18 2.7 23. 0.46 0.16 A1040 4 19 2.7 34.4 0.43 0.15 A1040 4 20 2.7 45.6 0.39 0.14 A1040 4 21 2.7 56.7 0.39 0.14 A1040 4 22 2.7 67.6 0.35 0.13 A1040 4 23 2.7 78.2 0.34 0.13 A1040 4 24 2.7 88.6 0.32 0.13 A1040 4 25 2.7 98.6 0.32 0.13 A1040 4 26 2.7 108.6 0.34 0.13 A1040 4 27 2.7 118.2 0.32 0.13 A1040 4 28 2.7 127.6 0.32 0.14 A1040 4 29 2.7 136.6 0.34 0.14 A1040 4 30 2.7 145.6 0.3 0.14 A1040 4 31 3.55 0. 0.57 0.2 A1040 4 32 3.55 17.5 0.52 0.18 A1040 4 33 3.55 34.9 0.45 0.16 A1040 4 34 3.55 46.3 0.42 0.15 A1040 4 35 3.55 68.5 0.39 0.14 A1040 4 36 3.55 84.5 0.36 0.13 A1040 4 37 3.55 100. 0.34 0.13 A1040 4 38 3.55 114.5 0.33 0.14 A1040 4 39 3.55 128.5 0.35 0.15 A1040 4 40 3.55 141.9 0.36 0.16 A1040 4 41 ENDDATA 27 0 A1040 4 42 ENDSUBENT 41 0 A1040 499999 SUBENT A1040005 20240707 A113A1040 5 1 BIB 7 16 A1040 5 2 REACTION (1-H-3(HE3,N)3-LI-5,,POL/DA) A1040 5 3 SAMPLE Tritium targets consisted of thin copper disks A1040 5 4 containing a layer of titanium into which tritium had A1040 5 5 been absorbed. A1040 5 6 For the polarization measurements, a relatively thick A1040 5 7 target (600 keV for 3-MeV 3He+ ions) was used. A1040 5 8 DETECTOR (COIN,SCIN) The gas scintillator, paraffin and A1040 5 9 W-Ni shielding, and two neutron detectors were mounted A1040 5 10 on a movable table which could be pivoted about the A1040 5 11 position of the tritium target. Rectangular plastic A1040 5 12 scintillators 5 cm x 7.5 cm x 15 cm were used as A1040 5 13 neutron detectors. A1040 5 14 METHOD 4He used as an analyzer A1040 5 15 ERR-ANALYS (DATA-ERR) No information about source of uncertainty A1040 5 16 STATUS (TABLE,,J.T.Klopcic+,J,PR/C,3,2171,1971) Table II A1040 5 17 HISTORY (20240707C) SD A1040 5 18 ENDBIB 16 0 A1040 5 19 NOCOMMON 0 0 A1040 5 20 DATA 4 22 A1040 5 21 EN ANG-CM DATA DATA-ERR A1040 5 22 MEV ADEG NO-DIM NO-DIM A1040 5 23 2.7 11.5 -0.012 0.046 A1040 5 24 2.7 23.0 -0.073 0.031 A1040 5 25 2.7 34.4 -0.125 0.025 A1040 5 26 2.7 45.6 -0.081 0.025 A1040 5 27 2.7 51.2 -0.094 0.030 A1040 5 28 2.7 56.7 -0.093 0.049 A1040 5 29 2.7 67.6 -0.099 0.031 A1040 5 30 2.7 78.3 -0.134 0.062 A1040 5 31 2.7 88.7 -0.098 0.031 A1040 5 32 2.7 98.8 -0.158 -0.036 A1040 5 33 2.7 108.7 -0.182 0.029 A1040 5 34 2.7 118.3 -0.253 0.032 A1040 5 35 2.7 127.6 -0.262 0.031 A1040 5 36 2.7 136.7 -0.200 0.040 A1040 5 37 3.5 23.4 -0.105 0.044 A1040 5 38 3.5 34.9 -0.109 0.036 A1040 5 39 3.5 51.9 -0.088 0.028 A1040 5 40 3.5 68.5 -0.058 0.029 A1040 5 41 3.5 84.5 -0.085 0.028 A1040 5 42 3.5 99.8 -0.118 0.035 A1040 5 43 3.5 114.5 -0.207 0.028 A1040 5 44 3.5 128.5 -0.149 0.029 A1040 5 45 ENDDATA 24 0 A1040 5 46 ENDSUBENT 45 0 A1040 599999 ENDENTRY 5 0 A104099999999