ENTRY L0244 20190206 L039L024400000001 SUBENT L0244001 20190206 L039L024400100001 BIB 13 36 L024400100002 TITLE Ground-state photoneutron reactions in 15N L024400100003 AUTHOR (J.D.Watson,J.W.Jury,P.C-K.Kuo,W.F.Davidson, L024400100004 N.K.Sherman,K.G.McNeill) L024400100005 REFERENCE (J,PR/C,27,506,1983) L024400100006 #doi:10.1103/PhysRevC.27.506 L024400100007 REL-REF (I,M0315001,J.W.Jury+,J,NP/A,337,503,1980) L024400100008 INSTITUTE (1CANOTC,1CANTOR) L024400100009 (1CANCAN) Department of Physics, Trent University, L024400100010 Peterborough, Canada. L024400100011 FACILITY (LINAC,1CANOTC) National Research Council of Canada L024400100012 linac. L024400100013 INC-SOURCE (BRST,KINDT) Bremsstrahlung was produced by electrons L024400100014 from the NRCC linear accelerator impinging on an 0.8 mmL024400100015 tantalum radiator. The linac delivered electron L024400100016 bursts of 1 A of current and 6 ns duration at 720 Hz. L024400100017 DETECTOR (SCIN) Each neutron detector consisted of a 25mm L024400100018 thick NE104 plastic scintillator of diameter 125mm L024400100019 viewed by two Phillips XP1040 photomultiplier tubes. L024400100020 SAMPLE (7-N-15,ENR=0.98) The 15N sample was in the form of L024400100021 135 g of ammonium sulphate which was 98% (15NH3)2SO4 L024400100022 giving 30 g of 15N isotope. L024400100023 METHOD (TOF) Time-of-flight spectra were recorded at 8 L024400100024 angles simultaneously over 10 m flight paths. Ground L024400100025 state cross sections were obtained by stepping the L024400100026 bremsstrahlung end point over the energy region of L024400100027 interest in 2 MeV intervals. L024400100028 ERR-ANALYS (DATA-ERR) No details on uncertainty estimates. L024400100029 (ERR-S) The major source of error in this experiment L024400100030 was the statistical error associated with the raw L024400100031 time-of-flight data, this being on the order of 0.5%. L024400100032 CORRECTION The data were corrected by the detector efficiency to L024400100033 give neutron spectra in terms of excitation energy in L024400100034 the center of mass. In addition corrections were L024400100035 applied for detector dead time, beam independent and L024400100036 dependent backgrounds. L024400100037 HISTORY (20190206C) BP L024400100038 ENDBIB 36 0 L024400100039 COMMON 1 3 L024400100040 ERR-S L024400100041 PER-CENT L024400100042 0.5 L024400100043 ENDCOMMON 3 0 L024400100044 ENDSUBENT 43 0 L024400199999 SUBENT L0244002 20190206 L039L024400200001 BIB 2 2 L024400200002 REACTION (7-N-15(G,N)7-N-14,PAR,SIG) L024400200003 STATUS (CURVE) Fig. 3, page 509. L024400200004 ENDBIB 2 0 L024400200005 COMMON 1 3 L024400200006 E-LVL L024400200007 MEV L024400200008 0.0 L024400200009 ENDCOMMON 3 0 L024400200010 DATA 3 75 L024400200011 EN DATA DATA-ERR L024400200012 MEV MB MB L024400200013 13.017 1.310 L024400200014 13.065 1.418 L024400200015 13.194 1.469 L024400200016 13.275 1.692 L024400200017 13.372 1.883 L024400200018 13.469 1.959 L024400200019 13.580 1.908 L024400200020 13.660 1.883 L024400200021 13.805 2.029 L024400200022 13.886 2.144 L024400200023 13.950 2.252 L024400200024 14.079 2.265 L024400200025 14.175 2.347 L024400200026 14.271 2.385 L024400200027 14.368 2.411 L024400200028 14.448 2.468 L024400200029 14.592 2.398 L024400200030 14.640 2.366 L024400200031 14.752 2.411 L024400200032 14.864 2.468 L024400200033 14.976 2.436 L024400200034 15.088 2.327 L024400200035 15.184 2.232 L024400200036 15.279 2.155 L024400200037 15.359 2.034 L024400200038 15.487 1.970 L024400200039 15.583 2.008 L024400200040 15.663 2.040 L024400200041 15.775 1.945 L024400200042 15.886 1.817 L024400200043 15.981 1.639 L024400200044 16.077 1.543 L024400200045 16.205 1.454 L024400200046 16.269 1.517 L024400200047 16.364 1.339 L024400200048 16.460 1.269 L024400200049 16.603 1.122 L024400200050 16.700 1.198 L024400200051 16.812 1.135 L024400200052 16.876 1.185 0.038 L024400200053 16.991 1.835 0.045 L024400200054 17.168 2.007 0.045 L024400200055 17.376 1.962 0.045 L024400200056 17.583 1.637 0.038 L024400200057 17.774 1.389 0.051 L024400200058 17.966 1.420 0.045 L024400200059 18.160 1.688 0.051 L024400200060 18.369 1.994 0.064 L024400200061 18.564 2.388 0.070 L024400200062 18.771 2.197 0.051 L024400200063 18.771 2.197 L024400200064 18.963 2.222 0.051 L024400200065 19.172 2.273 0.045 L024400200066 19.380 2.222 0.051 L024400200067 19.571 2.114 0.057 L024400200068 19.571 2.114 L024400200069 19.763 2.075 0.045 L024400200070 19.956 2.145 0.045 L024400200071 20.165 2.253 0.045 L024400200072 20.373 2.342 0.057 L024400200073 20.550 2.463 0.070 L024400200074 20.758 2.425 0.070 L024400200075 20.967 2.546 0.064 L024400200076 21.256 2.648 0.064 L024400200077 21.447 2.533 0.064 L024400200078 21.719 2.494 0.057 L024400200079 21.960 2.564 0.076 L024400200080 22.233 2.659 0.070 L024400200081 22.456 2.576 0.076 L024400200082 22.711 2.341 0.083 L024400200083 22.967 2.111 0.083 L024400200084 23.238 1.862 0.070 L024400200085 23.461 1.645 0.070 L024400200086 23.733 1.702 0.076 L024400200087 23.974 1.804 0.083 L024400200088 ENDDATA 77 0 L024400200089 ENDSUBENT 88 0 L024400299999 ENDENTRY 2 0 L024499999999