ENTRY 22943 20170824 22652294300000001
SUBENT 22943001 20170824 22652294300100001
BIB 18 67 2294300100002
TITLE Measurement of the H-2(n,gamma)H-3 Reaction Cross- 2294300100003
section between 10 and 550 keV. 2294300100004
AUTHOR (Y.Nagai,T.Kobayashi,T.Shima,T.Kikuchi,K.Takaoka, 2294300100005
M.Igashira,J.Golak,R.Skibinski,H.Witala,A.Nogga, 2294300100006
W.Gloeckle,H.Kamada) 2294300100007
INSTITUTE (2JPNOSA) Nagai, Shima 2294300100008
(2JPNTIT) Kobayashi, Kikuchi, Takaoka 2294300100009
-Department of Applied Physics, 2294300100010
Igashira - Research Lab.for Nuclear Reactors.2294300100011
(3POLUJK) Golak, Skibinski, Witala 2294300100012
-Smoluchowski Inst.of Physics. 2294300100013
(2GERJUL) Nogga -Inst. fuer Kernphysik (Theorie). 2294300100014
(2GERBOC) Gloeckle -Inst. fuer Theoretische Physic II. 2294300100015
(2JPNJPN) Kamada -Kyushu Inst.of Technology,Kitakyushu 2294300100016
REFERENCE (J,PR/C,74,025804,2006) Main Reference. 2294300100017
(J,NIM/A,402,408,1998) - prelim. data at 30.5 and 2294300100018
54.2 keV given. 2294300100019
REL-REF (M,,T.Ohsaki+,J,NIM/A,425,302,1999) Exp.details 2294300100020
for 10<En<80 keV. 2294300100021
(M,,M.Igashira+,C,93FRIBOU,,992,1993) - Anti-Compton 2294300100022
NaI(Tl) spectrometer description; Exp.details for 2294300100023
En=531 keV. 2294300100024
(M,22417001,Y.Nagai+,J,PR/C,56,3173,1997) Exp.details. 2294300100025
FACILITY (VDGT,2JPNTIT) Bunched proton beams of 1.5 nsec width 2294300100026
were provided from 3.2 MV Pelletron Accelerator. 2294300100027
INC-SOURCE (P-LI7) Li-7(p,n)Be-7 Reaction. 2294300100028
METHOD (GSPEC) Repeating three runs on H2O, Au and blank 2294300100029
samples cyclically. 2294300100030
(TOF) Incident neutron energy spectrum was measured 2294300100031
by Time-of-flight technique. 2294300100032
DETECTOR (GLASD) Li-6-glass Scintillation Detector for TOF, was 2294300100033
set 34 cm away from Li-7 target at angle 14 (10-80keV)2294300100034
and 9.6 (531 keV) degree with respect to proton beam 2294300100035
direction. 2294300100036
MONITOR (79-AU-197(N,G)79-AU-198,,SIG) ENDF/B-VI,MAT=7925. 2294300100037
SAMPLE .H2 O enriched in H2 to 99.99%, of 90 mm diameter, 2294300100038
20 mm thickness, contained in acrylic container of 2294300100039
internal diameter 90 mm and thickness 0.5 mm. 2294300100040
.Au sample of 90 mm diameter and 1 mm thickness. 2294300100041
PART-DET (G) Prompt gamma-ray from capture in H-3 ground state. 2294300100042
ANALYSIS (DECAY) Gamma-ray peak intensities in net spectrum were2294300100043
analyzed by stripping method, using the response 2294300100044
function of NaI(Tl) spectrometers. 2294300100045
CORRECTION .Corrections were made for multiple scattering and 2294300100046
shielding of incident neutrons in sample, for gamma- 2294300100047
ray absorption by sample, for finite size of sample. 2294300100048
Correction factors are presented in MISC-COL. 2294300100049
MISC-COL (MISC1) Correction factor for multiple scattering 2294300100050
in Au sample. 2294300100051
(MISC2) Correction factor for multiple scattering 2294300100052
in H2O sample. 2294300100053
(MISC3) Correction factor for shielding in Au sample. 2294300100054
(MISC4) Correction factor for shielding in H2O sample. 2294300100055
ERR-ANALYS (ERR-T) Total uncertainty is the result of combined 2294300100056
uncertainties: 2294300100057
(ERR-1) Gamma-ray yield statistics (2-8%), maximal, 2294300100058
(ERR-2) Response function of NaI(Tl) spectrometer, 2294300100059
(ERR-3) Absolute cross section of Au, 2294300100060
(ERR-4) Correction factor. 2294300100061
ADD-RES (COMP) Comparison exp.results with calculated ones. 2294300100062
(RRATE) Reaction rate was obtained with uncertainty 2294300100063
about 8% via formula as dependence of temperature2294300100064
and Avogadro's number. 2294300100065
HISTORY (20070110C) M.M./S.M. 2294300100066
(20070123U) Last corrections have been done 2294300100067
(20170824U) SD: Ref. NIM/A,402,408 was added. Three 2294300100068
refs moved to REL-REF. 2294300100069
ENDBIB 67 0 2294300100070
COMMON 4 3 2294300100071
ERR-1 ERR-2 ERR-3 ERR-4 2294300100072
PER-CENT PER-CENT PER-CENT PER-CENT 2294300100073
8. 2. 3. 3. 2294300100074
ENDCOMMON 3 0 2294300100075
ENDSUBENT 74 0 2294300199999
SUBENT 22943002 20070110 21822294300200001
BIB 6 18 2294300200002
REACTION (1-H-2(N,G)1-H-3,,SIG,,SPA) 2294300200003
FACILITY Averaged proton beam current about 5.6 microA at 2294300200004
repetition rate 2 MHz. 2294300200005
DETECTOR (SPEC,NAICR) Four NaI(Tl) spectrometers, central 2294300200006
detector of 229 mm diameter, 203 mm length shielded 2294300200007
with Li6-H, B-doped paraffin, Cd shields against 2294300200008
elastically scattered neutrons, lead shield against 2294300200009
background gammas, and plastic annular counter of 2294300200010
51 mm thickness for rejecting cosmic muons. 2294300200011
.Gamma-ray detector was calibrated using standard 2294300200012
sources as Na-22, Co-60, Cs-137 2294300200013
SAMPLE .Samples were placed 12 cm from neutron target at angle2294300200014
0 deg. in respect to proton beam direction. Distance 2294300200015
between spectrometer and sample position - 60cm. 2294300200016
DECAY-DATA (1-H-3,,DG,6.26E+03) 2294300200017
(19-K-40,,DG,1461.) 2294300200018
(81-TL-208,,DG,2615.) 2294300200019
STATUS . Table II of Main Reference 2294300200020
ENDBIB 18 0 2294300200021
NOCOMMON 0 0 2294300200022
DATA 7 2 2294300200023
EN-MEAN DATA ERR-T MISC1 MISC2 MISC3 2294300200024
MISC4 2294300200025
KEV B B NO-DIM NO-DIM NO-DIM 2294300200026
NO-DIM 2294300200027
30.5 2.23E-06 0.34E-06 1.146 1.835 0.962 2294300200028
0.717 2294300200029
54.2 1.99E-06 0.25E-06 1.121 1.386 0.966 2294300200030
0.727 2294300200031
ENDDATA 8 0 2294300200032
ENDSUBENT 31 0 2294300299999
SUBENT 22943003 20070110 21822294300300001
BIB 8 17 2294300300002
REACTION (1-H-2(N,G)1-H-3,,SIG,,SPA) 2294300300003
FACILITY Averaged proton beam current about 12.2 microA at 2294300300004
repetition rate 4 MHz. 2294300300005
DETECTOR (SPEC,NAICR) Anti-Compton NaI(Tl) spectrometer, 2294300300006
shielded with Li6-H Borated paraffin and lead shields 2294300300007
of different shapes. Plus annular detector of 330 mm 2294300300008
diameter and 356 mm length for rejecting cosmic muons.2294300300009
REL-REF (N,,J.H.APPLEGATE+,J,PR/D,35,1151,1987) Details of 2294300300010
detector shielding 2294300300011
SAMPLE .Samples were placed 20 cm from neutron target at angle2294300300012
0 deg. in respect to proton beam direction. Distance 2294300300013
between spectrometer and sample position - 80cm. 2294300300014
INC-SPECT .Quasimononergetic neutron energy spectrum is shown in 2294300300015
Fig.1 of Main Ref. Proton energy was adjusted at 2294300300016
2.26 MeV to produce 531 keV neutrons. 2294300300017
DECAY-DATA (1-H-3,,DG,6.61E+03) 2294300300018
STATUS . Table II of Main Reference 2294300300019
ENDBIB 17 0 2294300300020
NOCOMMON 0 0 2294300300021
DATA 7 1 2294300300022
EN-MEAN DATA ERR-T MISC1 MISC2 MISC3 2294300300023
MISC4 2294300300024
KEV B B NO-DIM NO-DIM NO-DIM 2294300300025
NO-DIM 2294300300026
531. 3.76E-06 0.41E-06 1.075 1.531 0.982 2294300300027
0.631 2294300300028
ENDDATA 6 0 2294300300029
ENDSUBENT 28 0 2294300399999
ENDENTRY 3 0 2294399999999