ENTRY 31414 20100220 31443141400000001 SUBENT 31414001 20100220 31443141400100001 BIB 13 26 3141400100002 TITLE Investigation of the Ni-58(n,p) reaction mechanism 3141400100003 at 18.5 MeV. 3141400100004 AUTHOR (J.Rondio,B.Marianski,A.Korman) 3141400100005 INSTITUTE (3POLIPJ) 3141400100006 REFERENCE (J,JP/G,11,549,198503) 3141400100007 FACILITY (VDG,3POLIPJ) 3141400100008 INC-SOURCE (D-T) Neutron energy spread, due to the deuteron 3141400100009 energy loss in the T-Ti target and the geometrical 3141400100010 conditions, was about 150 keV. 3141400100011 The average flux was about 2 x 10**5 n/cm2/s 3141400100012 SAMPLE (28-NI-58,ENR=0.997) 3141400100013 A 20 mg/cm**2 thick Ni-58 target ( enriched to 99.7%) 3141400100014 deposited electrolytically on 1mm tantalum backing. 3141400100015 MONITOR (1-H-1(N,EL)1-H-1,,DA/DE) Protons were counted 3141400100016 recoiling at 10 degrees from a polyethylene target 3141400100017 in a CsI(Tl) scintillator. 3141400100018 MONIT-REF (,S.J.Bame Jr+,J,RSI,28,997,1957) 3141400100019 METHOD (EDE,COINC) 3141400100020 DETECTOR (TELES,PROPC,PROPC,SIBAR) Operation is based on the 3141400100021 triple coincidence of two proportional counters as 3141400100022 dE/dx-detectors and one tandem surface-barrier Si 3141400100023 detector as E-detector. 3141400100024 PART-DET (P) 3141400100025 HISTORY (19921202C) HW 3141400100026 (20090730A) SD:Updated to new date formats,lower case. 3141400100027 Cosmetic corrections + new subents (005,006) 3141400100028 ENDBIB 26 0 3141400100029 COMMON 1 3 3141400100030 EN 3141400100031 MEV 3141400100032 18.5 3141400100033 ENDCOMMON 3 0 3141400100034 ENDSUBENT 33 0 3141400199999 SUBENT 31414002 20100220 31443141400200001 BIB 4 12 3141400200002 REACTION (28-NI-58(N,P)27-CO-58,,SIG) 3141400200003 ANALYSIS (INTAD,INTED) The experimental (n,p) and (n,np) proton 3141400200004 spectra were obtained in a fitting procedure of the 3141400200005 sum of the calculated spectra to the angle-integrated 3141400200006 experimental spectrum at proton energies > 5 MeV. The 3141400200007 (n,p) and (n,np) cross sections were obtained by 3141400200008 integrating these spectra over the whole energy range. 3141400200009 ERR-ANALYS (DATA-ERR) The estimated error arises mainly from the 3141400200010 uncertainty in the determination of the ratio of the 3141400200011 compound (n,p) and (n,np) cross sections. 3141400200012 STATUS (TABLE) Data taken from the text of J. Phys. G: 3141400200013 Nucl. Phys.11 (1985), pp. 549 - 564. 3141400200014 ENDBIB 12 0 3141400200015 NOCOMMON 0 0 3141400200016 DATA 2 1 3141400200017 DATA DATA-ERR 3141400200018 MB PER-CENT 3141400200019 604. 15. 3141400200020 ENDDATA 3 0 3141400200021 ENDSUBENT 20 0 3141400299999 SUBENT 31414003 20100220 31443141400300001 BIB 4 15 3141400300002 REACTION (28-NI-58(N,N+P)27-CO-57,,SIG) 3141400300003 ANALYSIS (INTAD,INTED) The experimental (n,p) and (n,np) proton 3141400300004 spectra were obtained in a fitting procedure of the 3141400300005 sum of the calculated spectra to the angle-integrated 3141400300006 experimental spectrum at proton energies > 5 MeV. The 3141400300007 (n,p) and (n,np) cross sections were obtained by 3141400300008 integrating these spectra over the whole energy range. 3141400300009 ERR-ANALYS (DATA-ERR) The estimated error arises mainly from the 3141400300010 uncertainty in the determination of the ratio of the 3141400300011 compound (n,p) and (n,np) cross sections. 3141400300012 The error is twice that for sig(n,p) because a 3141400300013 relative small number of protons are in the 3141400300014 measurement region ( 5. - 18.5 MeV) 3141400300015 STATUS (TABLE) Data taken from the text of J. Phys. G: 3141400300016 Nucl. Phys.11 (1985), pp. 549 - 564. 3141400300017 ENDBIB 15 0 3141400300018 NOCOMMON 0 0 3141400300019 DATA 2 1 3141400300020 DATA DATA-ERR 3141400300021 MB PER-CENT 3141400300022 369. 30. 3141400300023 ENDDATA 3 0 3141400300024 ENDSUBENT 23 0 3141400399999 SUBENT 31414004 20100220 31443141400400001 BIB 2 6 3141400400002 REACTION (28-NI-58(N,X)1-H-1,,SIG) Sum of 3141400400003 sig(n,p) (subent 002) and sig(n,np) (subent 003). 3141400400004 STATUS (TABLE) Data taken from the text of J. Phys. G: 3141400400005 Nucl. Phys.11 (1985), pp. 549 - 564. 3141400400006 (DEP,31414002) 3141400400007 (DEP,31414003) 3141400400008 ENDBIB 6 0 3141400400009 NOCOMMON 0 0 3141400400010 DATA 2 1 3141400400011 DATA DATA-ERR 3141400400012 MB MB 3141400400013 973. 145. 3141400400014 ENDDATA 3 0 3141400400015 ENDSUBENT 14 0 3141400499999 ENDENTRY 4 0 3141499999999