ENTRY C2316 20180611 C176C231600000001 SUBENT C2316001 20180611 C176C231600100001 BIB 6 10 C231600100002 TITLE Thresholds Observed in the C12(alpha,n)O15, C231600100003 Si28(alpha,n)S31, S32(alpha,n)Ar35, C231600100004 S34(alpha,n)Ar37, and Cl35(p,n)Ar35 Reactions C231600100005 AUTHOR (J.W.Nelson,E.B.Carter,G.E.Mitchell,R.H.Davis) C231600100006 REFERENCE (J,PR,129,1723,1963) C231600100007 #doi:10.1103/PhysRev.129.1723 C231600100008 INSTITUTE (1USAFSU) C231600100009 FACILITY (VDGT,1USAFSU) Florida State University Tandem Van de C231600100010 Graaff Accelerator. C231600100011 HISTORY (20180611C) BP C231600100012 ENDBIB 10 0 C231600100013 NOCOMMON 0 0 C231600100014 ENDSUBENT 13 0 C231600199999 SUBENT C2316002 20180611 C176C231600200001 BIB 8 16 C231600200002 REACTION (6-C-12(A,N)8-O-15,,SIG) C231600200003 PART-DET (B+,AR) C231600200004 DETECTOR (SCIN,NAICR) Positrons were observed using a 2- C231600200005 in.x 2- in. NE 102 plastic scintillator or C231600200006 annihilation gamma rays were counted in a 3-in. x C231600200007 3-in. NaI crystal. C231600200008 SAMPLE Three Mylar [C10(H2O)4] targets, target thickness was C231600200009 0.93 mg per square centimeter and the targets were C231600200010 placed with the target plane at 45 degree with C231600200011 respect to the beam. Thick graphite targets. C231600200012 METHOD (ACTIV) The excitation curve for this reaction was C231600200013 measured by counting the 1.7-MeV positrons from the C231600200014 decay of O15. C231600200015 ERR-ANALYS (DATA-ERR) The estimated error is 50%. C231600200016 DECAY-DATA (8-O-15,122.6SEC,B+,1700.0) C231600200017 STATUS (CURVE) Fig. 1, page 1724. C231600200018 ENDBIB 16 0 C231600200019 COMMON 1 3 C231600200020 DATA-ERR C231600200021 PER-CENT C231600200022 50.0 C231600200023 ENDCOMMON 3 0 C231600200024 DATA 2 39 C231600200025 EN DATA C231600200026 MEV MB C231600200027 11.294 0.497 C231600200028 11.558 1.368 C231600200029 11.819 3.161 C231600200030 12.062 4.723 C231600200031 12.267 6.112 C231600200032 12.532 6.580 C231600200033 12.782 6.011 C231600200034 13.043 7.919 C231600200035 13.305 9.194 C231600200036 13.512 10.236 C231600200037 13.741 10.012 C231600200038 14.049 8.811 C231600200039 14.274 10.085 C231600200040 14.420 12.335 C231600200041 14.505 15.679 C231600200042 14.716 21.330 C231600200043 14.782 24.672 C231600200044 15.027 19.265 C231600200045 15.231 8.671 C231600200046 15.481 7.756 C231600200047 15.781 9.551 C231600200048 15.784 8.571 C231600200049 15.999 6.561 C231600200050 16.226 7.316 C231600200051 16.447 9.569 C231600200052 16.751 9.808 C231600200053 16.902 10.388 C231600200054 17.092 10.624 C231600200055 17.244 10.571 C231600200056 17.455 10.116 C231600200057 17.689 8.279 C231600200058 17.972 9.208 C231600200059 18.184 8.581 C231600200060 18.257 9.389 C231600200061 18.423 11.295 C231600200062 18.724 12.686 C231600200063 18.919 11.136 C231600200064 18.997 10.331 C231600200065 19.217 13.333 C231600200066 ENDDATA 41 0 C231600200067 ENDSUBENT 66 0 C231600299999 SUBENT C2316003 20180611 C176C231600300001 BIB 3 5 C231600300002 REACTION 1(6-C-12(A,N),,EN) C231600300003 2(6-C-12(A,N),,WID) C231600300004 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. C231600300005 STATUS (DEP,C2316002) C231600300006 (TABLE) page 1724. C231600300007 ENDBIB 5 0 C231600300008 NOCOMMON 0 0 C231600300009 DATA 4 1 C231600300010 DATA-CM 1DATA-ERR 1DATA-CM 2DATA-ERR 2 C231600300011 MEV MEV KEV KEV C231600300012 14.6 0.040 220.0 60.0 C231600300013 ENDDATA 3 0 C231600300014 ENDSUBENT 13 0 C231600399999 SUBENT C2316004 20180611 C176C231600400001 BIB 7 13 C231600400002 REACTION (14-SI-28(A,N)16-S-31,,PY,,TT/REL) C231600400003 PART-DET (B+,AR) C231600400004 DETECTOR (SCIN,NAICR) Positrons were observed using a 2- C231600400005 in.x 2- in. NE 102 plastic scintillator or C231600400006 annihilation gamma rays were counted in a 3-in. x C231600400007 3-in. NaI crystal. C231600400008 SAMPLE A thick Vycor (96% SiO2) target was used. C231600400009 METHOD (ACTIV) This reaction was observed by counting the C231600400010 annihilation gamma rays resulting from the positron C231600400011 decay of S31. Flat background at low energies is not C231600400012 subtracted. C231600400013 DECAY-DATA (16-S-31,2.56SEC,B+,511.0) C231600400014 STATUS (CURVE) Fig. 4, page 1725. C231600400015 ENDBIB 13 0 C231600400016 NOCOMMON 0 0 C231600400017 DATA 2 32 C231600400018 EN DATA C231600400019 MEV ARB-UNITS C231600400020 8.428 2.37E-02 C231600400021 8.929 2.528E-02 C231600400022 9.102 2.133E-02 C231600400023 9.284 2.37E-02 C231600400024 9.457 2.291E-02 C231600400025 9.630 2.528E-02 C231600400026 9.830 2.844E-02 C231600400027 9.930 2.844E-02 C231600400028 10.030 2.923E-02 C231600400029 10.131 3.081E-02 C231600400030 10.222 3.635E-02 C231600400031 10.294 3.319E-02 C231600400032 10.404 3.239E-02 C231600400033 10.486 3.793E-02 C231600400034 10.577 3.872E-02 C231600400035 10.677 3.951E-02 C231600400036 10.768 4.267E-02 C231600400037 10.950 4.899E-02 C231600400038 11.132 6.084E-02 C231600400039 11.332 7.032E-02 C231600400040 11.505 8.138E-02 C231600400041 11.687 8.849E-02 C231600400042 11.888 9.718E-02 C231600400043 12.042 0.10509 C231600400044 12.243 0.12879 C231600400045 12.434 0.15249 C231600400046 12.598 0.16909 C231600400047 12.798 0.19121 C231600400048 12.971 0.21807 C231600400049 13.144 0.24731 C231600400050 13.326 0.26627 C231600400051 13.499 0.30341 C231600400052 ENDDATA 34 0 C231600400053 ENDSUBENT 52 0 C231600499999 SUBENT C2316005 20180611 C176C231600500001 BIB 7 12 C231600500002 REACTION (16-S-32(A,N)18-AR-35,,PY,,TT/REL) C231600500003 PART-DET (B+,AR) C231600500004 DETECTOR (SCIN,NAICR) Positrons were observed using a 2- C231600500005 in.x 2- in. NE 102 plastic scintillator or C231600500006 annihilation gamma rays were counted in a 3-in. x C231600500007 3-in. NaI crystal. C231600500008 SAMPLE Thick sulfur targets of natural isotopic abundance C231600500009 were used in taking data on this reaction. C231600500010 METHOD (ACTIV) Flat background at low energies is not C231600500011 subtracted. C231600500012 DECAY-DATA (18-AR-35,1.76SEC) C231600500013 STATUS (CURVE) Fig. 7, page 1725. C231600500014 ENDBIB 12 0 C231600500015 NOCOMMON 0 0 C231600500016 DATA 2 23 C231600500017 EN DATA C231600500018 MEV ARB-UNITS C231600500019 9.536 1.606 C231600500020 9.720 1.451 C231600500021 9.826 1.865 C231600500022 9.913 1.762 C231600500023 10.010 1.917 C231600500024 10.101 2.176 C231600500025 10.193 2.228 C231600500026 10.290 2.850 C231600500027 10.377 3.057 C231600500028 10.473 3.679 C231600500029 10.575 3.782 C231600500030 10.667 4.508 C231600500031 10.758 4.767 C231600500032 10.952 6.373 C231600500033 11.140 7.927 C231600500034 11.314 9.067 C231600500035 11.502 10.829 C231600500036 11.696 11.762 C231600500037 11.879 13.264 C231600500038 12.072 15.233 C231600500039 12.261 17.409 C231600500040 12.449 19.793 C231600500041 12.638 21.399 C231600500042 ENDDATA 25 0 C231600500043 ENDSUBENT 42 0 C231600599999 SUBENT C2316006 20180611 C176C231600600001 BIB 6 7 C231600600002 REACTION (16-S-34(A,N)18-AR-37,,PY,,TT/REL) C231600600003 SAMPLE A thick target of normal isotopic abundance was used. C231600600004 PART-DET (N) C231600600005 DETECTOR (BF3) C231600600006 METHOD Counting the neutrons at zero degrees with a BF3 C231600600007 counter. C231600600008 STATUS (CURVE) Fig. 12, page 1727. C231600600009 ENDBIB 7 0 C231600600010 NOCOMMON 0 0 C231600600011 DATA 2 44 C231600600012 EN DATA C231600600013 MEV ARB-UNITS C231600600014 4.752 2.63E-03 C231600600015 4.858 2.65E-03 C231600600016 4.973 2.68E-03 C231600600017 5.132 3.82E-03 C231600600018 5.238 3.29E-03 C231600600019 5.317 2.75E-03 C231600600020 5.406 3.32E-03 C231600600021 5.468 2.22E-03 C231600600022 5.538 2.79E-03 C231600600023 5.609 3.92E-03 C231600600024 5.653 4.48E-03 C231600600025 5.724 4.49E-03 C231600600026 5.795 5.06E-03 C231600600027 5.918 5.09E-03 C231600600028 6.086 5.68E-03 C231600600029 6.325 9.05E-03 C231600600030 6.705 1.412E-02 C231600600031 7.084 2.03E-02 C231600600032 7.499 3.314E-02 C231600600033 7.684 4.094E-02 C231600600034 7.887 4.819E-02 C231600600035 8.081 5.599E-02 C231600600036 8.266 6.546E-02 C231600600037 8.460 7.437E-02 C231600600038 8.654 8.994E-02 C231600600039 8.663 9.548E-02 C231600600040 8.856 0.10994 C231600600041 9.050 0.12773 C231600600042 9.050 0.11664 C231600600043 9.059 0.1244 C231600600044 9.059 0.11387 C231600600045 9.244 0.13775 C231600600046 9.429 0.15497 C231600600047 9.446 0.15886 C231600600048 9.639 0.17831 C231600600049 9.824 0.20441 C231600600050 10.017 0.2294 C231600600051 10.219 0.25384 C231600600052 10.227 0.26715 C231600600053 10.253 0.28157 C231600600054 10.262 0.27547 C231600600055 10.323 0.28824 C231600600056 10.428 0.30434 C231600600057 10.594 0.34929 C231600600058 ENDDATA 46 0 C231600600059 ENDSUBENT 58 0 C231600699999 ENDENTRY 6 0 C231699999999