ENTRY C0205 20220426 C219C0205 0 1 SUBENT C0205001 20220426 C219C0205 1 1 BIB 11 32 C0205 1 2 TITLE 3He+3He reaction cross sections at 17.9, 21.7, and C0205 1 3 24.0 MeV C0205 1 4 AUTHOR (R.E.Brown,F.D.Correll,P.M.Hegland,J.A.Koepke, C0205 1 5 C.H.Poppe) C0205 1 6 REFERENCE (J,PR/C,35,383,1987) C0205 1 7 #doi:10.1103/PhysRevC.35.383 C0205 1 8 INSTITUTE (1USALAS,1USAANA,1USAPUP,1USAMIN,1USALRL) C0205 1 9 FACILITY (VDGT,1USAMIN) Used at 17.9, 21.7, and 24.0 MeV. C0205 1 10 (VDGT,1USALAS) Used at 17.9 and 24.0 MeV. C0205 1 11 SAMPLE (2-HE-3,ENR=0.99) 99.9% pure 3He gas at about 400 C0205 1 12 torr, contained in cylindrical cell with Kapton foil C0205 1 13 window located at center of an evacuated scattering C0205 1 14 chamber. C0205 1 15 DETECTOR (TELES) Telescope consisting of 3 silicon surface- C0205 1 16 barrier detectors. C0205 1 17 METHOD (BCINT,EDE) Also, E* method which depends on the C0205 1 18 symmetry about 90 degrees in cm system of the C0205 1 19 reactions for identical particles in the incident C0205 1 20 channel. C0205 1 21 MONITOR (2-HE-3(D,P)2-HE-4,,DA) Used to calibrate secondary C0205 1 22 particle spectrum energies.) C0205 1 23 CORRECTION Corrected for: C0205 1 24 . contributions from low-energy tail of elastic peak, C0205 1 25 . effect of collimator assembly on detector at forward C0205 1 26 angles, C0205 1 27 . 3He gas background. C0205 1 28 HISTORY (19870319C) C0205 1 29 (19990927A) updated to new data formalism, BIB updated.C0205 1 30 (20220426A) BP: Updated entry, added doi, digitized C0205 1 31 (unobtainable data) per an NRDC decision for data C0205 1 32 sets that were published before 2000 (C32 of WP2022- C0205 1 33 01). C0205 1 34 ENDBIB 32 0 C0205 1 35 NOCOMMON 0 0 C0205 1 36 ENDSUBENT 35 0 C0205 199999 SUBENT C0205002 20220426 C219C0205 2 1 BIB 4 11 C0205 2 2 REACTION (2-HE-3(HE3,2P)2-HE-4,,SIG) C0205 2 3 ANALYSIS Taken as equal to alpha production cross section. C0205 2 4 Production angular distribution data are extrapolated C0205 2 5 to 0 degrees at forward angles and to at value of C0205 2 6 zero from the largest measured angle. Data at 17.9 C0205 2 7 and 24.0 MeV result from combining data measured at C0205 2 8 both facilities. C0205 2 9 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 2 10 added in quadrature to uncertainties due to counting C0205 2 11 statistics, corrections and background subtractions. C0205 2 12 STATUS (TABLE) Table II, page 391. C0205 2 13 ENDBIB 11 0 C0205 2 14 NOCOMMON 0 0 C0205 2 15 DATA 3 3 C0205 2 16 EN DATA DATA-ERR C0205 2 17 MEV MB MB C0205 2 18 17.9 112.0 4.4 C0205 2 19 21.7 114.3 4.7 C0205 2 20 24.0 110.1 6.4 C0205 2 21 ENDDATA 5 0 C0205 2 22 ENDSUBENT 21 0 C0205 299999 SUBENT C0205003 20220426 C219C0205 3 1 BIB 4 13 C0205 3 2 REACTION (2-HE-3(HE3,P+D)2-HE-3,,SIG) C0205 3 3 ANALYSIS Calculated from production cross: C0205 3 4 . at 24.0 MeV = d, C0205 3 5 . below 24.0 MeV = 3He - 1/2(p - 2alpha - 3t - d) C0205 3 6 . production angular distribution data are extrapolatedC0205 3 7 to 0 degrees at forward angles and to at value of C0205 3 8 zero from the largest measured angle. Data at 17.9 C0205 3 9 and 24.0 MeV result from combining data measured at C0205 3 10 both facilities. C0205 3 11 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 3 12 added in quadrature to uncertainties due to counting C0205 3 13 statistics, corrections and background subtractions. C0205 3 14 STATUS (TABLE) Table II, page 391. C0205 3 15 ENDBIB 13 0 C0205 3 16 NOCOMMON 0 0 C0205 3 17 DATA 3 3 C0205 3 18 EN DATA DATA-ERR C0205 3 19 MEV MB MB C0205 3 20 17.9 41.7 4.4 C0205 3 21 21.7 129.5 9.1 C0205 3 22 24.0 147. 24. C0205 3 23 ENDDATA 5 0 C0205 3 24 ENDSUBENT 23 0 C0205 399999 SUBENT C0205004 20220426 C219C0205 4 1 BIB 4 11 C0205 4 2 REACTION (2-HE-3(HE3,3P)1-H-3,,SIG) C0205 4 3 ANALYSIS Taken as equal to triton production cross section. C0205 4 4 Production angular distribution data are extrapolated C0205 4 5 to 0 degrees at forward angles and to at value of C0205 4 6 zero from the largest measured angle. Data at 17.9 C0205 4 7 and 24.0 MeV result from combining data measured at C0205 4 8 both facilities. C0205 4 9 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 4 10 added in quadrature to uncertainties due to counting C0205 4 11 statistics, corrections and background subtractions. C0205 4 12 STATUS (TABLE) Table II, page 391. C0205 4 13 ENDBIB 11 0 C0205 4 14 NOCOMMON 0 0 C0205 4 15 DATA 3 3 C0205 4 16 EN DATA DATA-ERR C0205 4 17 MEV MB MB C0205 4 18 17.9 0.4 0.1 C0205 4 19 21.7 6.5 1.0 C0205 4 20 24.0 11.6 1.6 C0205 4 21 ENDDATA 5 0 C0205 4 22 ENDSUBENT 21 0 C0205 499999 SUBENT C0205005 20220426 C219C0205 5 1 BIB 4 13 C0205 5 2 REACTION (2-HE-3(HE3,N+2P)2-HE-3,,SIG) C0205 5 3 ANALYSIS Calculated from production cross: C0205 5 4 . at 24.0 MeV = 3He - d, C0205 5 5 . below 24.0 MeV = 1/2(p - 2alpha - 3t - d). C0205 5 6 production angular distribution data are extrapolated C0205 5 7 to 0 degrees at forward angles and to at value of C0205 5 8 zero from the largest measured angle. C0205 5 9 Data at 17.9 and 24.0 MeV result from combining data C0205 5 10 measured at both facilities. C0205 5 11 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 5 12 added in quadrature to uncertainties due to counting C0205 5 13 statistics, corrections and background subtractions. C0205 5 14 STATUS (TABLE) Table II, page 391. C0205 5 15 ENDBIB 13 0 C0205 5 16 NOCOMMON 0 0 C0205 5 17 DATA 4 3 C0205 5 18 EN DATA DATA-MAX DATA-ERR C0205 5 19 MEV MB MB MB C0205 5 20 17.9 4. C0205 5 21 21.7 16. C0205 5 22 24.0 14.7 14.8 C0205 5 23 ENDDATA 5 0 C0205 5 24 ENDSUBENT 23 0 C0205 599999 SUBENT C0205006 20220426 C219C0205 6 1 BIB 4 11 C0205 6 2 REACTION (2-HE-3(HE3,2P+D)1-H-2,,SIG) C0205 6 3 ANALYSIS Calculated from production cross sections: 1/2(d - C0205 6 4 3He) + 1/4(p - 2alpha - 3t - d) . production angular C0205 6 5 distribution data are extrapolated to 0 degrees at C0205 6 6 forward angles and to at value of zero from the C0205 6 7 largest measured angle. Data at 17.9 and 24.0 MeV C0205 6 8 result from combining data measured at both facilities.C0205 6 9 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 6 10 added in quadrature to uncertainties due to counting C0205 6 11 statistics, corrections and background subtractions. C0205 6 12 STATUS (TABLE) Table II, page 391. C0205 6 13 ENDBIB 11 0 C0205 6 14 NOCOMMON 0 0 C0205 6 15 DATA 3 1 C0205 6 16 EN DATA DATA-ERR C0205 6 17 MEV MB MB C0205 6 18 24.0 12.8 13.7 C0205 6 19 ENDDATA 3 0 C0205 6 20 ENDSUBENT 19 0 C0205 699999 SUBENT C0205007 20220426 C219C0205 7 1 BIB 5 10 C0205 7 2 REACTION (2-HE-3(HE3,X)1-H-1,,SIG) C0205 7 3 ANALYSIS (INTAD,INTED) The particle production cross sections C0205 7 4 were obtained by integrating each particle spectrum C0205 7 5 over energy and then integrating over solid angle. C0205 7 6 ERR-ANALYS (DATA-ERR) Adopted errors. The largest source of C0205 7 7 error, the 0 degree extrapolation, is not independent C0205 7 8 for the two measurements, rather than combine the two C0205 7 9 errors the smallest of the two was adopted. C0205 7 10 STATUS (CURVE) Fig. 7, page 391. C0205 7 11 HISTORY (20220426A) BP: Digitized data. C0205 7 12 ENDBIB 10 0 C0205 7 13 NOCOMMON 0 0 C0205 7 14 DATA 3 3 C0205 7 15 EN DATA DATA-ERR C0205 7 16 MEV MB MB C0205 7 17 17.900 274.627 11.940 C0205 7 18 21.700 388.060 29.851 C0205 7 19 24.000 471.642 20.896 C0205 7 20 ENDDATA 5 0 C0205 7 21 ENDSUBENT 20 0 C0205 799999 SUBENT C0205008 20220426 C219C0205 8 1 BIB 5 10 C0205 8 2 REACTION (2-HE-3(HE3,X)1-H-2,,SIG) C0205 8 3 ANALYSIS (INTAD,INTED) The particle production cross sections C0205 8 4 were obtained by integrating each particle spectrum C0205 8 5 over energy and then integrating over solid angle. C0205 8 6 ERR-ANALYS (DATA-ERR) Adopted errors. The largest source of C0205 8 7 error, the 0 degree extrapolation, is not independent C0205 8 8 for the two measurements, rather than combine the two C0205 8 9 errors the smallest of the two was adopted. C0205 8 10 STATUS (CURVE) Fig. 7, page 391. C0205 8 11 HISTORY (20220426A) BP: Digitized data. C0205 8 12 ENDBIB 10 0 C0205 8 13 NOCOMMON 0 0 C0205 8 14 DATA 3 3 C0205 8 15 EN DATA DATA-ERR C0205 8 16 MEV MB MB C0205 8 17 17.900 43.385 3.706 C0205 8 18 21.700 132.862 8.889 C0205 8 19 24.000 177.227 14.823 C0205 8 20 ENDDATA 5 0 C0205 8 21 ENDSUBENT 20 0 C0205 899999 SUBENT C0205009 20220426 C219C0205 9 1 BIB 5 10 C0205 9 2 REACTION (2-HE-3(HE3,X)1-H-3,,SIG) C0205 9 3 ANALYSIS (INTAD,INTED) The particle production cross sections C0205 9 4 were obtained by integrating each particle spectrum C0205 9 5 over energy and then integrating over solid angle. C0205 9 6 ERR-ANALYS (DATA-ERR) Adopted errors. The largest source of C0205 9 7 error, the 0 degree extrapolation, is not independent C0205 9 8 for the two measurements, rather than combine the two C0205 9 9 errors the smallest of the two was adopted. C0205 9 10 STATUS (CURVE) Fig. 7, page 391. C0205 9 11 HISTORY (20220426A) BP: Digitized data. C0205 9 12 ENDBIB 10 0 C0205 9 13 NOCOMMON 0 0 C0205 9 14 DATA 3 3 C0205 9 15 EN DATA DATA-ERR C0205 9 16 MEV MB MB C0205 9 17 17.900 0.825 0.296 C0205 9 18 21.700 6.772 1.181 C0205 9 19 24.000 11.993 1.476 C0205 9 20 ENDDATA 5 0 C0205 9 21 ENDSUBENT 20 0 C0205 999999 SUBENT C0205010 20220426 C219C0205 10 1 BIB 5 10 C0205 10 2 REACTION (2-HE-3(HE3,X)2-HE-3,,SIG) C0205 10 3 ANALYSIS (INTAD,INTED) The particle production cross sections C0205 10 4 were obtained by integrating each particle spectrum C0205 10 5 over energy and then integrating over solid angle. C0205 10 6 ERR-ANALYS (DATA-ERR) Adopted errors. The largest source of C0205 10 7 error, the 0 degree extrapolation, is not independent C0205 10 8 for the two measurements, rather than combine the two C0205 10 9 errors the smallest of the two was adopted. C0205 10 10 STATUS (CURVE) Fig. 7, page 391. C0205 10 11 HISTORY (20220426A) BP: Digitized data. C0205 10 12 ENDBIB 10 0 C0205 10 13 NOCOMMON 0 0 C0205 10 14 DATA 3 3 C0205 10 15 EN DATA DATA-ERR C0205 10 16 MEV MB MB C0205 10 17 17.900 38.491 5.283 C0205 10 18 21.700 134.340 13.585 C0205 10 19 24.000 177.358 12.830 C0205 10 20 ENDDATA 5 0 C0205 10 21 ENDSUBENT 20 0 C0205 1099999 SUBENT C0205011 20220426 C219C0205 11 1 BIB 5 10 C0205 11 2 REACTION (2-HE-3(HE3,X)2-HE-4,,SIG) C0205 11 3 ANALYSIS (INTAD,INTED) The particle production cross sections C0205 11 4 were obtained by integrating each particle spectrum C0205 11 5 over energy and then integrating over solid angle. C0205 11 6 ERR-ANALYS (DATA-ERR) Adopted errors. The largest source of C0205 11 7 error, the 0 degree extrapolation, is not independent C0205 11 8 for the two measurements, rather than combine the two C0205 11 9 errors the smallest of the two was adopted. C0205 11 10 STATUS (CURVE) Fig. 7, page 391. C0205 11 11 HISTORY (20220426A) BP: Digitized data. C0205 11 12 ENDBIB 10 0 C0205 11 13 NOCOMMON 0 0 C0205 11 14 DATA 3 3 C0205 11 15 EN DATA DATA-ERR C0205 11 16 MEV MB MB C0205 11 17 17.900 115.985 4.461 C0205 11 18 21.700 118.216 4.461 C0205 11 19 24.000 113.011 5.948 C0205 11 20 ENDDATA 5 0 C0205 11 21 ENDSUBENT 20 0 C0205 1199999 SUBENT C0205012 20220426 C219C0205 12 1 BIB 5 14 C0205 12 2 REACTION (2-HE-3(HE3,NON),,SIG) C0205 12 3 ANALYSIS Calculated from production cross sections: C0205 12 4 . at 24.0 MeV = 1/4(p + d + t) + 1/2(alpha + 3He), C0205 12 5 . at 21.7 MeV = alpha + t + 3He, C0205 12 6 . at 17.9 MeV, data is weighted average of values C0205 12 7 obtained from: C0205 12 8 alpha + t + 3He = 151+-4.7 mb, and C0205 12 9 1/2(p + d - t) = 159.5+-4.7 mb. C0205 12 10 ERR-ANALYS (DATA-ERR) Error includes extrapolation uncertainties C0205 12 11 added in quadrature to uncertainties due to counting C0205 12 12 statistics, corrections and background subtractions. C0205 12 13 HISTORY (19880928A) Data heading corrected C0205 12 14 (19990927A) Reaction corrected. C0205 12 15 STATUS (TABLE) Table II, page 391. C0205 12 16 ENDBIB 14 0 C0205 12 17 NOCOMMON 0 0 C0205 12 18 DATA 3 3 C0205 12 19 EN DATA DATA-ERR C0205 12 20 MEV MB MB C0205 12 21 17.9 156.7 3.8 C0205 12 22 21.7 250. 14. C0205 12 23 24.0 296. 12. C0205 12 24 ENDDATA 5 0 C0205 12 25 ENDSUBENT 24 0 C0205 1299999 ENDENTRY 12 0 C020599999999