ENTRY C1111 20170922 C171C111100000001 SUBENT C1111001 20170922 C171C111100100001 BIB 8 18 C111100100002 TITLE The 46Ti(p,gamma)47V, 50Cr(p,gamma)51Mn, C111100100003 58Ni(alpha,gamma)62Zn and 58Ni(alpha,p)61Cu cross C111100100004 sections C111100100005 AUTHOR (M.Rios,B.D.Anderson,J.S.Schweitzer) C111100100006 REFERENCE (J,NP/A,236,523,1974) C111100100007 #doi:10.1016/0375-9474(74)90271-1 C111100100008 INSTITUTE (1USACAL) C111100100009 (1USAUSA) California State Polytechnic University, C111100100010 Pomona, California 91768 USA C111100100011 FACILITY (VDGT,1USACAL) C111100100012 DETECTOR (NAICR) The spectrometer consisted of two 7.6 cm C111100100013 diameter x 7.6 cm long NaI(Tl) detectors mounted C111100100014 collinearly in a lead encasement. C111100100015 METHOD (ACTIV,COINC) The cross sections were measured by C111100100016 using the activation technique in which the C111100100017 annihilation radiation from the induced positron C111100100018 activity is detected in coincidence. C111100100019 HISTORY (20170922C) BP C111100100020 ENDBIB 18 0 C111100100021 NOCOMMON 0 0 C111100100022 ENDSUBENT 21 0 C111100199999 SUBENT C1111002 20170922 C171C111100200001 BIB 5 22 C111100200002 REACTION (22-TI-46(P,G)23-V-47,,SIG) C111100200003 SAMPLE (22-TI-46,ENR=0.86) Measurements we made with both C111100200004 enriched and natural targets. One 46Ti target C111100200005 enriched to 86% abundance was made by evaporation. C111100200006 The thickness of this target was also determined by C111100200007 comparing its yield to that of the natural abundance C111100200008 targets but at an incident lab energy of 1.22 MeV. C111100200009 Titanium targets of naturally occurring abundances C111100200010 were prepared by evaporation onto 0.5 mm tantalum C111100200011 pieces. Titanium targets were ~400 microg/cm2 thick. C111100200012 ERR-ANALYS (DATA-ERR) The absolute uncertainty in the (p,gamma) C111100200013 cross sections is estimated to be +-20%. This C111100200014 estimate includes uncertainties C111100200015 (ERR-1) +-10% uncertainty in the target thickness. C111100200016 (ERR-2) +-5% uncertainty in the absolute efficiency C111100200017 calibration of the annihilation spectrometer and in C111100200018 the current integration. C111100200019 (ERR-3) Cross sections remeasured for both proton C111100200020 capture reactions reproduced within +-15% of the C111100200021 average value. C111100200022 DECAY-DATA (23-V-47,33.MIN,AR) C111100200023 STATUS (CURVE) Fig.1, page 527. C111100200024 ENDBIB 22 0 C111100200025 COMMON 4 3 C111100200026 DATA-ERR ERR-1 ERR-2 ERR-3 C111100200027 PER-CENT PER-CENT PER-CENT PER-CENT C111100200028 20.0 10.0 5.0 15.0 C111100200029 ENDCOMMON 3 0 C111100200030 DATA 3 28 C111100200031 EN-CM DATA DATA-ERR C111100200032 MEV B B C111100200033 0.930 9.429E-06 1.937E-06 C111100200034 1.047 5.399E-05 C111100200035 1.150 2.879E-05 C111100200036 1.242 1.090E-04 C111100200037 1.338 1.251E-04 C111100200038 1.441 5.140E-05 C111100200039 1.540 1.831E-04 C111100200040 1.636 1.247E-04 C111100200041 1.739 6.964E-05 C111100200042 1.839 2.762E-04 6.337E-05 C111100200043 1.942 1.716E-04 C111100200044 2.038 1.282E-04 C111100200045 2.143 1.341E-04 C111100200046 2.217 2.326E-04 C111100200047 2.329 1.904E-04 C111100200048 2.441 1.932E-04 C111100200049 2.522 2.216E-04 C111100200050 2.628 3.247E-04 C111100200051 2.707 2.618E-04 C111100200052 2.811 2.016E-04 C111100200053 2.924 1.984E-04 C111100200054 3.006 3.337E-04 C111100200055 3.118 2.905E-04 C111100200056 3.214 2.815E-04 C111100200057 3.312 3.939E-04 C111100200058 3.414 1.695E-04 C111100200059 3.511 1.974E-04 4.057E-05 C111100200060 3.609 3.811E-04 C111100200061 ENDDATA 30 0 C111100200062 ENDSUBENT 61 0 C111100299999 SUBENT C1111003 20170922 C171C111100300001 BIB 5 25 C111100300002 REACTION (24-CR-50(P,G)25-MN-51,,SIG) C111100300003 SAMPLE (24-CR-50,ENR=0.986) Measurements we made with both C111100300004 enriched and natural targets. Four 50Cr targets C111100300005 enriched to 98.6%, with thicknesses of approximately C111100300006 520, 580, 600 and 750 microg/cm2 were made by C111100300007 evaporation. The enriched 50Cr target thicknesses C111100300008 were determined by comparing the yield from the C111100300009 enriched targets to the yield of the natural C111100300010 abundance targets at an incident lab energy of 1.40 C111100300011 MeV. Chromium targets of naturally occurring C111100300012 abundances were prepared by evaporation onto 0.5 mm C111100300013 tantalum pieces. The chromium targets were ~600 C111100300014 microg/cm2 thick. C111100300015 ERR-ANALYS (DATA-ERR) The absolute uncertainty in the (p,gamma) C111100300016 cross sections is estimated to be +-20%. This C111100300017 estimate includes uncertainties C111100300018 (ERR-1) +-10% uncertainty in the target thickness. C111100300019 (ERR-2) +-5% uncertainty in the absolute efficiency C111100300020 calibration of the annihilation spectrometer and in C111100300021 the current integration. C111100300022 (ERR-3) Cross sections remeasured for both proton C111100300023 capture reactions reproduced within +-15% of the C111100300024 average value. C111100300025 DECAY-DATA (25-MN-51,45.MIN,AR) C111100300026 STATUS (CURVE) Fig.2, page 528. C111100300027 ENDBIB 25 0 C111100300028 COMMON 4 3 C111100300029 DATA-ERR ERR-1 ERR-2 ERR-3 C111100300030 PER-CENT PER-CENT PER-CENT PER-CENT C111100300031 20.0 10.0 5.0 15.0 C111100300032 ENDCOMMON 3 0 C111100300033 DATA 3 35 C111100300034 EN-CM DATA DATA-ERR C111100300035 MEV B B C111100300036 0.745 1.119E-06 C111100300037 0.838 2.524E-06 4.784E-07 C111100300038 0.932 7.602E-06 C111100300039 1.034 3.625E-05 C111100300040 1.143 8.105E-06 C111100300041 1.240 3.495E-06 C111100300042 1.340 5.828E-06 C111100300043 1.442 3.910E-05 C111100300044 1.542 6.694E-05 C111100300045 1.634 7.431E-05 C111100300046 1.739 4.449E-05 C111100300047 1.830 5.414E-05 C111100300048 1.936 5.777E-05 1.156E-05 C111100300049 2.042 7.605E-05 C111100300050 2.141 7.117E-05 C111100300051 2.232 6.660E-05 C111100300052 2.338 8.103E-05 C111100300053 2.437 8.994E-05 C111100300054 2.536 8.988E-05 C111100300055 2.635 1.499E-04 C111100300056 2.741 1.498E-04 C111100300057 2.832 9.206E-05 C111100300058 2.939 1.728E-04 C111100300059 3.037 1.682E-04 C111100300060 3.130 2.661E-04 C111100300061 3.234 1.552E-04 C111100300062 3.333 1.635E-04 C111100300063 3.426 3.028E-04 C111100300064 3.517 2.518E-04 C111100300065 3.623 2.516E-04 4.769E-05 C111100300066 3.707 2.581E-04 C111100300067 3.812 1.785E-04 C111100300068 3.905 3.057E-04 C111100300069 4.018 3.576E-04 C111100300070 4.108 1.713E-04 C111100300071 ENDDATA 37 0 C111100300072 ENDSUBENT 71 0 C111100399999 SUBENT C1111004 20170922 C171C111100400001 BIB 7 10 C111100400002 REACTION (28-NI-58(A,G)30-ZN-62,,SIG,,,DERIV) C111100400003 SAMPLE 0.25 mm Ni foils were used as infinitely thick targets.C111100400004 ANALYSIS (DECAY) A least squares fit to the decay curve was C111100400005 used to extract the yield. C111100400006 (TTUNF) Differentiation of TTY C111100400007 RAD-DET (30-ZN-62,AR) C111100400008 ERR-ANALYS (DATA-ERR) Errors include both relative and absolute C111100400009 uncertainties. C111100400010 REL-REF (A,C0703001,F.K.McGowan+,J,PR,133,B907,1964) C111100400011 STATUS (CURVE) Fig.3, page 529. C111100400012 ENDBIB 10 0 C111100400013 NOCOMMON 0 0 C111100400014 DATA 3 9 C111100400015 EN-CM DATA DATA-ERR C111100400016 MEV B B C111100400017 4.067 4.391E-08 1.511E-07 C111100400018 4.166 2.819E-07 1.626E-07 C111100400019 4.246 2.880E-07 1.393E-07 C111100400020 4.349 4.025E-07 1.956E-07 C111100400021 4.442 1.076E-06 3.671E-07 C111100400022 4.528 1.076E-06 3.380E-07 C111100400023 4.634 1.037E-06 1.883E-07 C111100400024 4.728 1.320E-06 2.520E-07 C111100400025 4.826 3.662E-06 8.680E-07 C111100400026 ENDDATA 11 0 C111100400027 ENDSUBENT 26 0 C111100499999 SUBENT C1111005 20170922 C171C111100500001 BIB 7 13 C111100500002 REACTION (28-NI-58(A,P)29-CU-61,,SIG,,,DERIV) C111100500003 SAMPLE Ni foils. C111100500004 ANALYSIS (DECAY) A least squares fit to the decay curve was C111100500005 used to extract the yield. C111100500006 (TTUNF) Differentiation of TTY C111100500007 RAD-DET (29-CU-61,AR) C111100500008 ERR-ANALYS (DATA-ERR) Because of short-lived contaminant C111100500009 activities, the reaction yields could not be C111100500010 determined as accurately as those for the (alpha,gamma)C111100500011 reaction. Consequently, the cross sections have large C111100500012 uncertainties. C111100500013 REL-REF (A,C0703001,F.K.McGowan+,J,PR,133,B907,1964) C111100500014 STATUS (CURVE) Fig.4, page 530. C111100500015 ENDBIB 13 0 C111100500016 NOCOMMON 0 0 C111100500017 DATA 3 6 C111100500018 EN-CM DATA DATA-ERR C111100500019 MEV B B C111100500020 4.252 1.060E-07 1.462E-07 C111100500021 4.449 2.596E-07 3.763E-07 C111100500022 4.542 4.304E-07 3.825E-07 C111100500023 4.628 1.535E-06 3.173E-07 C111100500024 4.738 2.214E-07 2.548E-07 C111100500025 4.818 1.826E-06 1.343E-06 C111100500026 ENDDATA 8 0 C111100500027 ENDSUBENT 26 0 C111100599999 ENDENTRY 5 0 C111199999999