ENTRY 23653 20221126 23122365300000001
SUBENT 23653001 20221126 23122365300100001
BIB 13 43 2365300100002
TITLE Neutron induced fission cross section measurements of 2365300100003
240Pu and 242Pu relative to the neutron-proton 2365300100004
scattering cross section at 2.5 and 14.8 MeV 2365300100005
AUTHOR (F.Belloni, R.Eykens, J.Heyse, C.Matei, A.Moens, 2365300100006
R.Nolte, A.J.M.Plompen, S.Richter, G.Sibbens, 2365300100007
D.Vanleeuw, R.Wynants) 2365300100008
INSTITUTE (2ZZZGEL,2GERPTB) 2365300100009
(3RUMRUM) Extreme Light Infrastructure-Nuclear Physics,2365300100010
Bucharest-Magurele 2365300100011
REFERENCE (J,EPJ/A,58,227,2022) 2365300100012
(J,EPJ/CS,146,04062,2017) Prelim. data in tables 2365300100013
EXP-YEAR (2012) 2365300100014
FACILITY (VDG,2GERPTB) 3.7 MV Van de Graaff linear accelerator 2365300100015
INC-SOURCE (P-T) Ti/T (1.910 mg/cm2 Ti and 1.05 T atoms/Ti atoms) 2365300100016
with Ag backing 2365300100017
(D-T) Ti/T (0.957 mg/cm2 Ti and 0.81 T atoms/Ti atoms) 2365300100018
with Al backing 2365300100019
SAMPLE 15 mm radius molecular plated on Al foils (0.25 mm 2365300100020
thick, 50 mm diam) 2365300100021
(92-U-238,ENR=0.999992233) 2365300100022
FC1: 10.04(20) Bq, 114.6(2.3) ug/cm2 2365300100023
FC2: 10.71(20) Bq, 112.2(2.3) ug/cm2 2365300100024
(94-PU-240,ENR=0.998915) 2365300100025
FC1: 816(3)E+03 Bq, 13.78(6) ug/cm2 2365300100026
(94-PU-242,ENR=0.9996518) 2365300100027
FC2: 915(3)E+02 Bq, 88.7(8) ug/cm2 2365300100028
DECAY-DATA (92-U-238,4.468E+09YR,SF,,5.45E-05) 2365300100029
(94-PU-240,6561.YR,SF,,5.70E-06) 2365300100030
(94-PU-242,3.73E+05YR,SF,,5.50E-04) 2365300100031
DETECTOR (FISCH) Two identical Frisch Grid fission chambers (FC)2365300100032
housing 238U and 240Pu (FC1) or 238U and 242Pu (FC2) 2365300100033
back-to-back. 2365300100034
(TELES) Recoil proton telescope (T1) for neutron 2365300100035
fluence measurement at 0 deg between runs with FC 2365300100036
(LONGC) de Pangher long counter (PLC) parmanently 2365300100037
located at 98 deg to relate two measurements 2365300100038
CORRECTION Corrected for 2365300100039
- fission of impurity isotopes and spontaneous fission2365300100040
- neutron scattered by T/Ti target or FC 2365300100041
- beam attenuation 2365300100042
- dead time 2365300100043
STATUS (APRVD) Approved by Francesca Belloni (2022-12-19) 2365300100044
HISTORY (20221126C) On 2365300100045
ENDBIB 43 0 2365300100046
NOCOMMON 0 0 2365300100047
ENDSUBENT 46 0 2365300199999
SUBENT 23653002 20221126 23122365300200001
BIB 5 27 2365300200002
REACTION 1(94-PU-240(N,F),,SIG) 2365300200003
Measured relative to n-p scattering 2365300200004
2(94-PU-240(N,F),,SIG) 2365300200005
Measured relative to 238U(n,f) 2365300200006
MONITOR 1(1-H-1(N,EL)1-H-1,,DA) ENDF/B-V 2365300200007
2(92-U-238(N,F),,SIG) 2365300200008
MONIT-REF 2(,A.D.Carlson+,J,NDS,148,143,2018) 2365300200009
ERR-ANALYS (ERR-T) Total uncertainty 2365300200010
(ERR-1,,,U) Pu(n,f) events above threshold (1.5-1.9%)2365300200011
(ERR-2,,,U) Pu(sf) events above threshold (1.25-1.3%)2365300200012
(ERR-3) Pu(sf) branching ratio (0.35%)2365300200013
(ERR-4) Pu half-life (0.11%)2365300200014
(ERR-5) Neutron interaction with Pu FC (0.45-0.56%)2365300200015
1(ERR-6) Neutron flux (1.9-2.9%)2365300200016
2(ERR-7) Number of U atoms (2.0%)2365300200017
(ERR-8) Beam attenuation (0.1-0.4%)2365300200018
(ERR-9,,,U) U(n,f) events above threshold (0.69-0.71%)2365300200019
(ERR-10,,,U)U(n,f) events below threshold (0.72-0.84%)2365300200020
(ERR-11) Neutron interaction with U FC (0.4-0.6%)2365300200021
(ERR-12) Live time U (0.03%)2365300200022
(ERR-13) Zero-bias correction of U (0.3-0.8%)2365300200023
(MONIT-ERR) U standard cross section (0.7%)2365300200024
STATUS (TABLE) Tables 6 and 7 of Eur.Phys.J.A58(2022)227 2365300200025
except for the uncertainties in (1) number of U atoms,2365300200026
(2) neutron interaction with U FC and (3) Zero-bias 2365300200027
correction of U which were received from Francesca 2365300200028
Belloni (2022-12-12). 2365300200029
ENDBIB 27 0 2365300200030
COMMON 5 3 2365300200031
ERR-3 ERR-4 ERR-7 2ERR-12 2MONIT-ERR 2 2365300200032
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2365300200033
0.35 0.11 2.0 0.03 0.7 2365300200034
ENDCOMMON 3 0 2365300200035
DATA 15 2 2365300200036
EN EN-RSL-FW DATA 1ERR-T 1DATA 2ERR-T 22365300200037
ERR-1 ERR-2 ERR-5 ERR-6 1ERR-8 2ERR-9 22365300200038
ERR-10 2ERR-11 2ERR-13 2 2365300200039
MEV MEV B PER-CENT B PER-CENT 2365300200040
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2365300200041
PER-CENT PER-CENT PER-CENT 2365300200042
2.51 0.14 1.645 2.79 1.699 3.18 2365300200043
1.5 1.25 0.45 1.9 0.1 0.71 2365300200044
0.84 0.6 0.3 2365300200045
14.83 0.57 2.259 3.76 2.362 3.49 2365300200046
1.9 1.3 0.56 2.9 0.4 0.69 2365300200047
0.72 0.4 0.8 2365300200048
ENDDATA 12 0 2365300200049
ENDSUBENT 48 0 2365300299999
SUBENT 23653003 20221126 23122365300300001
BIB 5 27 2365300300002
REACTION 1(94-PU-242(N,F),,SIG) 2365300300003
Measured relative to n-p scattering 2365300300004
2(94-PU-242(N,F),,SIG) 2365300300005
Measured relative to 238U(n,f) 2365300300006
MONITOR 1(1-H-1(N,EL)1-H-1,,DA) ENDF/B-V 2365300300007
2(92-U-238(N,F),,SIG) 2365300300008
MONIT-REF 2(,A.D.Carlson+,J,NDS,148,143,2018) 2365300300009
ERR-ANALYS (ERR-T) Total uncertainty 2365300300010
(ERR-1,,,U) Pu(n,f) events above threshold (1.35-1.9%)2365300300011
(ERR-2,,,U) Pu(sf) events above threshold (0.68-0.7%)2365300300012
(ERR-3) Pu(sf) branching ratio (1.27%)2365300300013
(ERR-4) Pu half-life (0.8%)2365300300014
(ERR-5) Neutron interaction with Pu FC (0.52-0.67%)2365300300015
1(ERR-6) Neutron flux (1.9-2.9%)2365300300016
2(ERR-7) Number of U atoms (1.9%)2365300300017
(ERR-8) Beam attenuation (0.11-0.13%)2365300300018
(ERR-9,,,U) U(n,f) events above threshold (1.21-1.42%)2365300300019
(ERR-10,,,U)U(n,f) events below threshold (1.15-1.43%)2365300300020
(ERR-11) Neutron interaction with U FC (0.3-0.5%)2365300300021
(ERR-12) Live time U (0.03%)2365300300022
(ERR-13) Zero-bias correction of U (0.3-0.8%)2365300300023
(MONIT-ERR) U standard cross section (0.7%)2365300300024
STATUS (TABLE) Tables 8 and 9 of Eur.Phys.J.A58(2022)227 2365300300025
except for the uncertainties in (1) number of U atoms,2365300300026
(2) neutron interaction with U FC and (3) Zero-bias 2365300300027
correction of U which were received from Francesca 2365300300028
Belloni (2022-12-12). 2365300300029
ENDBIB 27 0 2365300300030
COMMON 5 3 2365300300031
ERR-3 ERR-4 ERR-7 2ERR-12 2MONIT-ERR 2 2365300300032
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2365300300033
1.27 0.8 1.9 0.03 0.7 2365300300034
ENDCOMMON 3 0 2365300300035
DATA 15 2 2365300300036
EN EN-RSL-FW DATA 1ERR-T 1DATA 2ERR-T 22365300300037
ERR-1 ERR-2 ERR-5 ERR-6 1ERR-8 2ERR-9 22365300300038
ERR-10 2ERR-11 2ERR-13 2 2365300300039
MEV MEV B PER-CENT B PER-CENT 2365300300040
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2365300300041
PER-CENT PER-CENT PER-CENT 2365300300042
2.51 0.14 1.344 2.93 1.374 3.48 2365300300043
1.35 0.7 0.67 1.9 0.11 1.21 2365300300044
1.15 0.5 0.3 2365300300045
14.83 0.57 2.075 3.89 2.087 3.94 2365300300046
1.9 0.68 0.52 2.9 0.13 1.42 2365300300047
1.43 0.3 0.8 2365300300048
ENDDATA 12 0 2365300300049
ENDSUBENT 48 0 2365300399999
SUBENT 23653004 20221126 23122365300400001
BIB 4 17 2365300400002
REACTION 1(92-U-238(N,F),,SIG) 2365300400003
Measured with 240Pu(n,f) 2365300400004
2(92-U-238(N,F),,SIG) 2365300400005
Measured with 242Pu(n,f) 2365300400006
MONITOR (1-H-1(N,EL)1-H-1,,DA) ENDF/B-V 2365300400007
ERR-ANALYS (ERR-T) Total uncertainty 2365300400008
(ERR-6) Neutron flux (1.90-2.90%) 2365300400009
(ERR-7) Number of U atoms (1.9-2.0%) 2365300400010
(ERR-9,,,U) U(n,f) events (0.72-1.24%) 2365300400011
(ERR-11) Neutron interaction with U FC (0.3-0.6%) 2365300400012
(ERR-12) Live time U (0.03%) 2365300400013
(ERR-13) Zero-bias correction of U (0.3-0.8%) 2365300400014
STATUS (TABLE) Tables 10 and 11 of Eur.Phys.J.A58(2022)2272365300400015
except for the uncertainties in (1) number of U atoms,2365300400016
(2) neutron interaction with U FC and (3) Zero-bias 2365300400017
correction of U which were received from Francesca 2365300400018
Belloni (2022-12-12). 2365300400019
ENDBIB 17 0 2365300400020
COMMON 3 3 2365300400021
ERR-7 1ERR-7 2ERR-12 2365300400022
PER-CENT PER-CENT PER-CENT 2365300400023
2.0 1.9 0.03 2365300400024
ENDCOMMON 3 0 2365300400025
DATA 12 2 2365300400026
EN EN-RSL-FW DATA 1ERR-T 1DATA 2ERR-T 22365300400027
ERR-6 ERR-9 1ERR-9 2ERR-11 1ERR-11 2ERR-13 2365300400028
MEV MEV B PER-CENT B PER-CENT 2365300400029
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2365300400030
2.51 0.14 0.5259 2.95 0.5317 2.95 2365300400031
1.90 0.84 1.15 0.6 0.5 0.3 2365300400032
14.83 0.57 1.1636 3.67 1.2260 3.75 2365300400033
2.90 0.72 1.24 0.4 0.3 0.8 2365300400034
ENDDATA 8 0 2365300400035
ENDSUBENT 34 0 2365300499999
ENDENTRY 4 0 2365399999999