ENTRY C0737 20010130 0000C073700000001 SUBENT C0737001 20010130 0000C073700100001 BIB 9 18 C073700100002 INSTITUTE (1USACAL,1USAYAL) + Trinity College, Hartford, CN C073700100003 REFERENCE (J,NP/A,419,115,1984) C073700100004 (T,OSBORNE,1983) C073700100005 AUTHOR (J.L.OSBORNE,C.A.BARNES,R.W.KAVANNAGH,R.M.KREMER, C073700100006 G.J.MATHEWS,J.L.ZYSKIND,P.D.PARKER,A.J.HOWARD) C073700100007 TITLE Low-energy behavior of the 3He(alpha,gamma) cross C073700100008 section C073700100009 DETECTOR (GELI) C073700100010 Silicon surface-barrier detector used to monitor C073700100011 contaminant gases and to check beam current and C073700100012 target pressure. C073700100013 ANALYSIS Cross sections calculated using the the yield for the C073700100014 7Be ground-state gamma plus the weighted average of C073700100015 gamma to 429-keV state and 429-keV gamma. C073700100016 ERR-ANALYS (EN-ERR) Sources of uncertainty given in references. C073700100017 STATUS Data taken from Table I in main reference. C073700100018 (APRVD) Approved by C.A. Barnes, 26 January 2001. C073700100019 HISTORY (20001206C) VM C073700100020 ENDBIB 18 0 C073700100021 NOCOMMON 0 0 C073700100022 ENDSUBENT 21 0 C073700199999 SUBENT C0737002 20010123 0000C073700200001 BIB 7 13 C073700200002 REACTION (2-HE-3(A,G)4-BE-7,,SIG) C073700200003 FACILITY (ACCEL,1USACAL) Model-JN electrostatic accelerator. C073700200004 SAMPLE Differentially pumped gas target of 99.9% enriched 3He.C073700200005 Target pressure 2-3 Torr. C073700200006 METHOD (BCINT) Beam current measured and integrated using C073700200007 single-cup calorimeter. C073700200008 MONITOR Detector efficiency measured using calibrated 56Co, C073700200009 152Eu, and 7Be sources. C073700200010 ANALYSIS Energy loss in target calculated using formulation of C073700200011 Ziegler (Ref. 10 in main reference). C073700200012 ERR-ANALYS Information on systematic uncertainties in S-factor C073700200013 given in main reference, but no uncertainties are C073700200014 given for cross section. C073700200015 ENDBIB 13 0 C073700200016 NOCOMMON 0 0 C073700200017 DATA 3 19 C073700200018 EN-CM EN-ERR DATA C073700200019 KEV KEV NB C073700200020 165.5 2.1 7.57 C073700200021 165.8 1.2 7.49 C073700200022 166.6 1.3 7.70 C073700200023 192.4 2.2 16.2 C073700200024 193.5 1.2 16.3 C073700200025 212.7 1.3 28.2 C073700200026 279.5 0.8 93.6 C073700200027 336.7 0.9 156. C073700200028 342.6 1.2 171. C073700200029 342.9 0.9 161. C073700200030 343.6 0.8 182. C073700200031 343.7 1.2 192. C073700200032 346.6 0.9 175. C073700200033 437.0 1.2 320. C073700200034 450.9 1.3 432. C073700200035 486.1 1.1 421. C073700200036 496.1 1.2 497. C073700200037 507.4 0.8 554. C073700200038 1169. 5. 2150. C073700200039 ENDDATA 21 0 C073700200040 ENDSUBENT 39 0 C073700299999 SUBENT C0737003 20010123 0000C073700300001 BIB 6 12 C073700300002 REACTION (2-HE-3(A,G)4-BE-7,,SIG) C073700300003 FACILITY (ACCEL,1USACAL) Model-EN electrostatic accelerator. C073700300004 SAMPLE Gas cell filled with 99.9% enriched 3He at 390 Torr. C073700300005 Nickel foil window on which copper had been deposited C073700300006 to increase thermal conductivity. C073700300007 METHOD (BCINT) C073700300008 MONITOR Detector efficiency measured using a weak, C073700300009 commercially calibrated 7Be source in the same C073700300010 geometry. C073700300011 ERR-ANALYS Information on systematic uncertainties in S-factor C073700300012 given in main reference, but no uncertainties are C073700300013 given for cross section. C073700300014 ENDBIB 12 0 C073700300015 NOCOMMON 0 0 C073700300016 DATA 3 2 C073700300017 EN-CM EN-ERR DATA C073700300018 KEV KEV NB C073700300019 947. 5. 1850. C073700300020 1255. 4. 2340. C073700300021 ENDDATA 4 0 C073700300022 ENDSUBENT 21 0 C073700399999 SUBENT C0737004 20010123 0000C073700400001 BIB 7 17 C073700400002 REACTION ((2-HE-3(A,G)4-BE-7,PAR,SIG)// C073700400003 (2-HE-3(A,G)4-BE-7,PAR,SIG)) C073700400004 Ratio of cross sections to 0.429 MeV and ground states.C073700400005 FACILITY (ACCEL,1USACAL) Model-JN electrostatic accelerator. C073700400006 SAMPLE Differentially pumped gas target of 99.9% enriched 3He.C073700400007 Target pressure 2-3 Torr. C073700400008 METHOD (BCINT) Beam current measured and integrated using C073700400009 single-cup calorimeter. C073700400010 MONITOR Detector efficiency measured using calibrated 56Co, C073700400011 152Eu, and 7Be sources. C073700400012 ANALYSIS Energy loss in target calculated using formulation of C073700400013 Ziegler (Ref. 10 in main reference). C073700400014 ERR-ANALYS (DATA-ERR) Systematic uncertainty in measurement of C073700400015 target pressure, detector efficiency, and beam- C073700400016 current integration, as well as uncertainty C073700400017 uncertainty in shapes of theoretical curves used for C073700400018 extrapolation. C073700400019 ENDBIB 17 0 C073700400020 COMMON 2 3 C073700400021 E-EXC-NM E-EXC-DN C073700400022 KEV KEV C073700400023 429. 0. C073700400024 ENDCOMMON 3 0 C073700400025 DATA 4 19 C073700400026 EN-CM EN-ERR DATA DATA-ERR C073700400027 KEV KEV NO-DIM NO-DIM C073700400028 165.5 2.1 0.304 0.046 C073700400029 165.8 1.2 0.406 0.027 C073700400030 166.6 1.3 0.365 0.031 C073700400031 192.4 2.2 0.399 0.044 C073700400032 193.5 1.2 0.421 0.025 C073700400033 212.7 1.3 0.428 0.024 C073700400034 279.5 0.8 0.414 0.016 C073700400035 336.7 0.9 0.404 0.012 C073700400036 342.6 1.2 0.417 0.020 C073700400037 342.9 0.9 0.439 0.016 C073700400038 343.6 0.8 0.408 0.016 C073700400039 343.7 1.2 0.425 0.019 C073700400040 346.6 0.9 0.394 0.015 C073700400041 437.0 1.2 0.435 0.017 C073700400042 450.9 1.3 0.434 0.016 C073700400043 486.1 1.1 0.420 0.015 C073700400044 496.1 1.2 0.414 0.016 C073700400045 507.4 0.8 0.411 0.012 C073700400046 1169. 5. 0.454 0.032 C073700400047 ENDDATA 21 0 C073700400048 ENDSUBENT 47 0 C073700499999 ENDENTRY 4 0 C073799999999