42-Mo- 0
42-MO- 0 JNDC,JAERI EVAL-MAR89 JNDC FPND W.G., M.MIZUMOTO
DIST-OCT89 REV2-FEB94
----JENDL-3.2 MATERIAL 4200
-----INCIDENT NEUTRON DATA
------ENDF-6 FORMAT
HISTORY
84-10 PHOTON PRODUCTION DATA WERE EVALUATED BY M.MIZUMOTO(JAERI).
89-03 FINAL DATA FOR JENDL-3 WERE COMPILED FROM ISOTOPE DATA. THE
ISOTOPE DATA WERE EVALUATED BY JNDC FP NUCLEAR DATA WORKING
GROUP/1/.
90-10 MF=5: SPECTRA AT THRESHOLD ENERGIES WERE MODIFIED.
94-02 JENDL-3.2.
COMPILED BY T.NAKAGAWA (NDC/JAERI)
***** MODIFIED PARTS FOR JENDL-3.2 ********************
(3,2), (3,4), (3,51-91), (3,16), (3,17), (3,22), (3,28)
(4,16-91)
(5,16-91)
THESE DATA WERE ADOPTED FROM JENDL FUSION FILE.
(12,102)
***********************************************************
-------------------------------------------------------------
JENDL FUSION FILE /2/ (AS OF OCT. 1993)
EVALUATED BY K.KOSAKO(NEDAC) AND S.CHIBA (NDC/JAERI)
COMPILED BY K.KOSAKO
THE INELASTIC SCATTERING, (N,2N), (N,3N), (N,NP), (N,NA)
CROSS SECTIONS WERE CALCULATED WITH SINCROS-II SYSTEM/3/.
THE OTHER CROSS SECTIONS WERE TAKEN FROM JENDL-3.1. MF=6
OF MT=16, 17, 22, 28 AND 91 WERE CREATED WITH F15TOB
PROGRAM /2/ IN WHICH KUMABE'S SYSTEMATICS /4/ WAS USED.
THE PRECOMPOUND/COMPOUND RATIO WAS CALCULATED BY THE
SINCROS-II CODE SYSTEM/3/.
OPTICAL-MODEL, LEVEL DENSITY AND OTHER PARAMETERS USED
IN THE SINCROS-II CALCULATION ARE DESCRIBED IN REF./3/.
LEVEL SCHEMES WERE DETERMINED ON THE BASIS OF ENSDF/5/.
-------------------------------------------------------------
MF = 1 GENERAL INFORMATION
MT=451 COMMENTS AND DICTIONARY
MF = 2 RESONANCE PARAMETERS
MT=151 RESOLVED AND UNRESOLVED RESONANCE PARAMETERS
RESOLVED RESONANCE REGION (MLBW FORMULA)
EVALUATED BY KIKUCHI ET AL./6/ ON THE BASIS OF THE FOLLOWING
EXPERIMENTS.
MO-92: BELOW 50 KEV
TRANSMISSION : WASSON ET AL./7/
CAPTURE : WASSON ET AL./7/, WEIGMANN ET AL./8/,
MUSGROVE ET AL./9/
MO-94: BELOW 20 KEV
CAPTURE : WEIGMANN ET AL./8/, MUSGROVE ET AL./9/
MO-95: BELOW 2 KEV
TRANSMISSION : SHWE ET AL./10/
CAPTURE : WEIGMANN ET AL./8/
MO-96: BELOW 19 KEV
CAPTURE : WEIGMANN ET AL./8/, MUSGROVE ET AL./9/
MO-97: BELOW 1.8 KEV
TRANSMISSION : SHWE ET AL./10/
CAPTURE : WEIGMANN ET AL./8/
MO-98: BELOW 32 KEV
TRANSMISSION : CHRIEN ET AL./11/
CAPTURE : WEIGMANN ET AL./8/, MUSGROVE ET AL./9/
MO-100: BELOW 26 KEV
TRANSMISSION : WEIGMANN ET AL./12/
CAPTURE : WEIGMANN ET AL./8/, MUSGROVE ET AL./9/
ASSUMED RADIATIVE WIDTHS(EV)
S-WAVE P-WAVE S-WAVE P-WAVE
MO-92 0.02 0.425 MO-94 0.135 0.175
MO-95 0.150 0.180 MO-96 0.114 0.136
MO-97 0.130 0.150 MO-98 0.085 0.12
MO-100 0.065 0.08
UNRESOLVED RESONANCE REGION : UP TO 100 KEV
THE NEUTRON STRENGTH FUNCTIONS WERE CALCULATED WITH OPTICAL
MODEL CODE CASTHY/13/. THE LEVEL SPACING WAS DETERMINED TO
REPRODUCE THE CAPTURE CROSS SECTION CALCULATED WITH CASTHY.
THE SCATTERING RADIUS WAS OBTAINED FROM FITTING TO THE
CALCULATED TOTAL CROSS SECTION AT 100 KEV.
TYPICAL VALUES OF THE AVERAGE PARAMETERS AT 70 KEV:
S0 S1 S2 GG(EV) DO(EV) R(FM)
MO-92 0.369E-4 5.479E-4 0.364E-4 0.226 2252 6.746
MO-94 0.369E-4 5.479E-4 0.365E-4 0.230 1101 6.699
MO-95 0.369E-4 5.479E-4 0.365E-4 0.232 76.12 6.680
MO-96 0.370E-4 5.480E-4 0.365E-4 0.162 93.33 6.698
MO-97 0.370E-4 5.479E-4 0.365E-4 0.180 58.76 6.687
MO-98 0.370E-4 5.479E-4 0.364E-4 0.133 765.9 6.675
MO-100 0.370E-4 5.479E-4 0.365E-4 0.085 576.1 6.651
CALCULATED 2200-M/S CROSS SECTIONS AND RES. INTEGRALS (BARNS)
2200 M/S RES. INTEG.
TOTAL 8.066 -
ELASTIC 5.483 -
CAPTURE 2.582 25.68
MF = 3 NEUTRON CROSS SECTIONS
BELOW 100 KEV, RESONANCE PARAMETERS WERE GIVEN.
FOR JENDL-3.1, THE SPHERICAL OPTICAL AND STATISTICAL MODEL
CALCULATION WAS PERFORMED WITH CASTHY/13/ IN THE ENERGY RANGE
ABOVE 100 KEV, BY TAKING ACCOUNT OF COMPETING REACTIONS OF WHICH
CROSS SECTIONS WERE CALCULATED WITH A PREEQUILIBRIUM AND
MULTI-STEP EVAPORATION MODEL CODE PEGASUS/14/. THE OMP'S FOR
NEUTRON GIVEN IN TABLE 1 WERE DETERMINED BY IIJIMA ET AL./15/ TO
REPRODUCE A SYSTEMATIC TREND OF THE TOTAL CROSS SECTION. THE
OMP'S FOR CHARGED PARTICLES ARE AS FOLLOWS:
PROTON = PEREY/16/
ALPHA = HUIZENGA AND IGO/17/
DEUTERON = LOHR AND HAEBERLI/18/
HELIUM-3 AND TRITON = BECCHETTI AND GREENLEES/19/
PARAMETERS FOR THE COMPOSITE LEVEL DENSITY FORMULA OF GIRBERT
AND CAMERON/20/ WERE EVALUATED BY IIJIMA ET AL./21/. MORE
EXTENSIVE DETERMINATION AND MODIFICATION WERE MADE IN THE
PRESENT WORK. TABLE 2 SHOWS THE LEVEL DENSITY PARAMETERS USED
IN THE PRESENT CALCULATION. THE ENERGY DEPENDENCE OF SPIN
CUT-OFF PARAMETER IN THE ENERGY RANGE BELOW E-JOINT (EX) IS DUE
TO GRUPPELAAR/22/.
FOR JENDL-3.2, DATA OF NEUTRON EMITTING REACTIONS WERE ADOPTED
FROM JENDL FUSION FILE. THE THORETICAL CALCULATION WAS MADE
WITH SINCROS-II SYSTEM/3/ BY ADOPTIG WALTER-GUSS OMP MODIFIED
BY YAMAMURO/3/ FOR NEUTRONS, LEMOS OMP MODIFIED BY ARTHUR AND
YOUNG/23/ FOR ALPHA, THE SAME OMP'S AS THE PEGASUS CALCULATION
FOR OTHER CHARGED PARTICLES AND STANDARD LEVEL DENSITY
PARAMETERS OF SINCROS-II SYSTEM.
THE DATA FOR MT=1, 102, 103, 104, 105, 106, 107, 11 AND 251 ARE
THE SAME AS JENDL-3.1.
MT = 1 TOTAL
BELOW 500 KEV, SPHERICAL OPTICAL MODEL CALCULATION WAS
ADOPTED. OMP IN TABLE 1 AND CASTHY WERE USED. ABOVE 500 KEV,
SPLINE-FITTING TO THE DATA MEASURED BY FOSTER AND GLASGOW
/24/, LAMBROPOULOS ET AL./25/ AND POENITZ AND WHALEN/26/ WAS
MADE.
MT = 2 ELASTIC SCATTERING
CALCULATED AS (TOTAL - SUM OF PARTIAL CROSS SECTIONS).
MT = 4, 51 - 91 INELASTIC SCATTERING
TAKEN FROM JENDL FUSION FILE. THE INELASTIC SCATTERING CROSS
SECTIONS FOR EACH ISOTOPE WERE GROUPED IN NATURAL MO DATA AS
FOLLOWS:
MT -Q(MEV) MO-92 MO-94 MO-95 MO-96 MO-97 MO-98 MO-100
51 0.2041 - - 51 - - - -
52 0.4809 - - - - 51 - -
53 0.5356 - - - - - - 51
54 0.6579 - - - - 52,53 - -
55 0.6944 - - - - - - 52
56 0.7192 - - - - 54,55 - -
57 0.7348 - - - - - 51 -
58 0.7530 - - 52 - 56 - -
59 0.7820 - - 53 51 57 52 -
60 0.8206 - - 54 - 58 - -
61 0.8711 - 51 - - 59 - -
62 0.9477 - - 55 - 60 - -
63 1.0245 - - 56 - 61 - -
64 1.0567 - - 57,58 - 62 - 53
65 1.1168 - - - 52 63 - 54
66 1.3023 - - 59,60 - - - -
67 1.4257 - - 61 - - 53 -
68 1.4977 51 - - 53 - 54 -
69 1.5408 - 52 62,63 - - - -
70 1.6202 - - 64,65 54,55 - - -
71 1.7425 - 53 - - - 55 -
72 1.8643 - 54 - 56 - 56 -
73 1.9650 - - - 57 - 57,58 -
74 2.0376 - 55 - 58 - 59,60 -
75 2.2063 - - - 59,60 - 61,62 -
76 2.2826 52 56 - - - 63,64 -
77 2.3932 - 57,58 - 61-63 - - -
78 2.4810 - - - 64 - - -
79 2.5015 53,54 - - 65 - - -
80 2.5339 - 59,60 - 66 - - -
81 2.5943 55 61 - 67 - - -
82 2.7398 56 62,63 - - - - -
83 2.8058 57 64,65 - - - - -
84 2.8702 - 66,67 - - - - -
85 2.9558 58 68,69 - - - - -
86 3.0641 59,60 - - - - - -
87 3.3691 61 - - - - - -
88 3.5420 62,63 - - - - - -
89 3.6212 64-66 - - - - - -
OTHERS WERE SUMMED UP TO MT=91.
MT = 16, 17, 22, 28 (N,2N), (N,3N), (N,NA) AND (N,NP)
ADOPTED FROM JENDL FUSION FILE. NORMALIZATION OF THE RESULTS
WAS NOT MADE BECAUSE THE PARAMETERS USED WERE DETERMINED BY
YAMAMURO/27/ TO REPRODUCE WELL EXPERIMENTAL DATA.
MT = 102 CAPTURE
SPHERICAL OPTICAL AND STATISTICAL MODEL CALCULATION WITH
CASTHY/13/ WAS ADOPTED. DIRECT AND SEMI-DIRECT CAPTURE CROSS
SECTIONS WERE ESTIMATED ACCORDING TO THE PROCEDURE OF BENZI
AND REFFO/28/ AND NORMALIZED TO 1 MILLI-BARN AT 14 MEV.
THE GAMMA-RAY STRENGTH FUNCTIONS WERE ADJUSTED TO REPRODUCE
THE CAPTURE CROSS SECTION MEASURED BY MUSGROVE ET AL./8/.
MO-92: 0.941E-4, MO-94: 1.966E-4, MO-95: 29.76E-4,
MO-96: 1.623E-4, MO-97: 29.76E-4, MO-98: 1.623E-4,
MO-100: 1.432E-4,
MT = 103,104,105,106,107,111
(N,P), (N,D), (N,T), (N,HE3), (N,ALPHA) AND (N,2P)
THESE REACTION CROSS SECTIONS WERE CALCULATED WITH PEGASUS
/14/. THE KALBACH'S CONSTANTS WERE ESTIMATED BY THE FORMULA
DERIVED FROM KIKUCHI-KAWAI'S FORMALISM/29/ AND LEVEL DENSITY
PARAMETERS. THE (N,P) AND (N,ALPHA) CROSS SECTIONS WERE
NORMALIZED TO THE EXPERIMENTAL DATA OR SYSTEMATICS AT 14.5
MEV. FOR MORE DETAILS, SEE COMMENT OF EACH ISOTOPE.
MT = 251 MU-BAR
CALCULATED WITH CASTHY/13/.
MF = 4 ANGULAR DISTRIBUTIONS OF SECONDARY NEUTRONS
MT = 2
CALCULATED WITH CASTHY/13/ (SAME AS JENDL-3.1).
MT = 51-89
TAKEN FROM JENDL FUSION FILE WHICH WAS CALCULATED WITH CASTHY
AND DWUCKY IN THE SINCROS-II SYSTEM.
MT = 16,17,22,28,91
TRANSFORMED FROM MF=6 DATA (DDX) OF JENDL FUSION FILE.
MF = 5 ENERGY DISTRIBUTIONS OF SECONDARY NEUTRONS
MT = 16,17,22,28,91
TRANSFORMED FROM MF=6 DATA (DDX) OF JENDL FUSION FILE.
MF =12 PHOTON PRODUCTION MULTIPLICITIES
MT = 102 (BELOW 420 KEV)
DETERMINED FROM ENERGY BALANCE.
MF =13 PHOTON PRODUCTION CROSS SECTIONS
MT = 3 (ABOVE 420 KEV)
FITTED WITH THE EMPIRICAL FORMULA BY HOWERTON AND PLECHATY
/30/ BASED ON THE EXPERIMENTAL DATA/31/.
MF =14 PHOTON ANGULAR DISTRIBUTIONS
MT = 3,102
ASSUMED TO BE ISOTROPIC.
MF =15 CONTINUOUS PHOTON ENERGY SPECTRA
MT = 3
FITTED WITH THE EMPIRICAL FORMULA BY HOWERTON AND PLECHATY
/30/ BASED ON THE EXPERIMENTAL DATA/31/, AND COMPARED WITH
EXPERIMENTAL DATA MEASURED BY YAMAMURO ET AL./32/.
MT = 102
CALCULATED WITH CASTHY/13/ FOR EACH ISOTOPE AND CONSTRUCTED
ACCORDING TO THEIR ABUNDANCES.
=================================================================
FOLLOWING ARE PARAMETERS USED IN THE CASTHY AND PEGASUS CALC.
=================================================================
TABLE 1 NEUTRON OPTICAL POTENTIAL PARAMETERS
DEPTH (MEV) RADIUS(FM) DIFFUSENESS(FM)
---------------------- ------------ ---------------
V = 46.0-0.25E R0 = 5.893 A0 = 0.62
WS = 7.0 RS = 6.393 AS = 0.35
WSO= 7.0 RSO= 5.893 ASO= 0.62
TABLE 2 LEVEL DENSITY PARAMETERS
NUCL. SYST A(/MEV) T(MEV) C(/MEV) EX(MEV) PAIRING
---------------------------------------------------------------
40-ZR- 88 * 1.404E+01 7.386E-01 4.932E-01 7.870E+00 2.660E+00
40-ZR- 89 1.095E+01 8.260E-01 1.379E+00 5.864E+00 1.200E+00
40-ZR- 90 9.152E+00 8.222E-01 1.526E-01 5.383E+00 2.130E+00
40-ZR- 91 1.036E+01 8.000E-01 7.822E-01 5.057E+00 1.200E+00
40-ZR- 92 1.088E+01 8.192E-01 5.122E-01 6.429E+00 1.920E+00
40-ZR- 93 1.298E+01 7.000E-01 1.273E+00 5.183E+00 1.200E+00
40-ZR- 94 1.275E+01 7.530E-01 4.411E-01 7.019E+00 2.320E+00
40-ZR- 95 1.331E+01 6.070E-01 5.453E-01 3.985E+00 1.200E+00
40-ZR- 96 1.320E+01 7.000E-01 2.235E-01 6.589E+00 2.490E+00
40-ZR- 97 1.259E+01 5.590E-01 2.497E-01 3.084E+00 1.200E+00
40-ZR- 98 * 1.725E+01 6.633E-01 1.790E+00 7.555E+00 2.140E+00
40-ZR- 99 * 1.831E+01 6.566E-01 1.170E+01 6.957E+00 1.200E+00
41-NB- 89 * 1.420E+01 7.303E-01 2.467E+00 6.611E+00 1.460E+00
41-NB- 90 * 1.395E+01 7.222E-01 1.458E+01 4.869E+00 0.0
41-NB- 91 * 9.464E+00 7.143E-01 3.924E-01 3.082E+00 9.300E-01
41-NB- 92 1.040E+01 8.410E-01 4.607E+00 4.477E+00 0.0
41-NB- 93 1.250E+01 7.120E-01 2.205E+00 4.629E+00 7.200E-01
41-NB- 94 1.281E+01 7.230E-01 7.763E+00 4.250E+00 0.0
41-NB- 95 1.277E+01 7.500E-01 2.121E+00 5.782E+00 1.120E+00
41-NB- 96 1.331E+01 5.880E-01 3.406E+00 2.530E+00 0.0
41-NB- 97 1.337E+01 6.710E-01 9.771E-01 5.026E+00 1.290E+00
41-NB- 98 1.380E+01 5.110E-01 2.350E+00 1.731E+00 0.0
41-NB- 99 * 1.742E+01 6.566E-01 1.085E+01 6.300E+00 9.400E-01
41-NB-100 * 1.850E+01 6.500E-01 7.329E+01 5.699E+00 0.0
42-MO- 90 * 1.436E+01 7.222E-01 4.129E-01 7.834E+00 2.740E+00
42-MO- 91 1.168E+01 7.820E-01 1.284E+00 5.770E+00 1.280E+00
42-MO- 92 1.064E+01 7.770E-01 2.062E-01 5.938E+00 2.210E+00
42-MO- 93 1.125E+01 7.800E-01 9.792E-01 5.457E+00 1.280E+00
42-MO- 94 1.301E+01 6.850E-01 3.417E-01 5.770E+00 2.000E+00
42-MO- 95 1.360E+01 7.150E-01 1.847E+00 5.835E+00 1.280E+00
42-MO- 96 1.403E+01 7.410E-01 6.991E-01 7.645E+00 2.400E+00
42-MO- 97 1.517E+01 6.800E-01 2.769E+00 6.036E+00 1.280E+00
42-MO- 98 1.594E+01 6.900E-01 7.358E-01 7.888E+00 2.570E+00
42-MO- 99 1.774E+01 6.200E-01 4.294E+00 6.058E+00 1.280E+00
42-MO-100 1.780E+01 6.000E-01 6.702E-01 6.645E+00 2.220E+00
42-MO-101 2.085E+01 5.650E-01 7.153E+00 6.092E+00 1.280E+00
---------------------------------------------------------------
SYST: * = LDP'S WERE DETERMINED FROM SYSTEMATICS.
SPIN CUT-OFF PARAMS WERE CALCULATED AS 0.146*SQRT(A)*A**(2/3).
REFERENCES
1) KAWAI, M. ET AL.: J. NUCL. SCI. TECHNOL., 29, 195 (1992).
2) CHIBA, S. ET AL.: JAERI-M 92-027, P.35 (1992).
3) YAMAMURO, N.: JAERI-M 90-006 (1990).
4) KUMABE, I. ET AL.: NUCL. SCI. ENG., 104, 280 (1990).
5) ENSDF: EVALUATED NUCLEAR STRUCTURE DATA FILE, BNL/NNDC.
6) KIKUCHI, Y. ET AL.: JAERI-M 86-030 (1986).
7) WASSON, O.A. ET AL.: PHYS. REV., C7, 1532 (1973).
8) WEIGMANN, H. ET AL.: 1971 KONOXVILLE, 749 (1971).
9) MUSGROVE, A.R.DE L. ET AL.: NUCL. PHYS., A270, 108 (1976).
10) SHWE H. AND COTE R.E.: PHYS. REV. 179, 1148 (1969).
11) CHRIEN, R.E. ET AL.: PHYS. REV., C13, 578 (1976).
12) WEIGMANN, H. ET AL.: PHYS. REV., C20, 115 (1969).
13) IGARASI, S. AND FUKAHORI, T.: JAERI 1321 (1991).
14) IIJIMA, S. ET AL.: JAERI-M 87-025, P. 337 (1987).
15) IIJIMA, S. AND KAWAI, M.: J. NUCL. SCI. TECHNOL. 20, 77(1983).
16) PEREY, F.G: PHYS. REV. 131, 745 (1963).
17) HUIZENGA, J.R. AND IGO, G.: NUCL. PHYS. 29, 462 (1962).
18) LOHR, J.M. AND HAEBERLI, W.: NUCL. PHYS. A232, 381 (1974).
19) BECCHETTI, F.D., JR. AND GREENLEES, G.W.: POLARIZATION
PHENOMENA IN NUCLEAR REACTIONS, P. 682, THE UNIVERSITY OF
WISCONSIN PRESS. (1971).
20) GILBERT, A. AND CAMERON, A.G.W.: CAN. J. PHYS., 43,1446(1965).
21) IIJIMA, S., ET AL.: J. NUCL. SCI. TECHNOL. 21, 10 (1984).
22) GRUPPELAAR, H.: ECN-13 (1977).
23) ARTHUR, E.D. AND YOUNG, P.G.: LA-8626-MS (1980).
24) FOSTER JR.D.G. AND GLASGOW D.W.: PHYS. REV., C3, 576 (1971).
25) LAMBROPOULOS, P. ET AL.: NUCL. PHYS., A201, 1 (1973).
26) POENITZ, W.P. AND WHALEN, J.F.; ANL/NDM-80 (1983).
27) YAMAMURO, N.: NUCL. SCI. ENG., 109, 128 (1991).
28) BENZI, V. AND REFFO, G.: CCDN-NW/10 (1969).
29) KIKUCHI, K. AND KAWAI, M.: "NUCLEAR MATTER AND NUCLEAR
REACTIONS", NORTH HOLLAND (1968).
30) HOWERTON, S.T. AND PLECHATY, E.F.: NUCL. SCI. ENG., 32, 178
(1968).
31) MORGAN, G. AND NEWMAN, N.: ORNL-TM-5097 (1975).
32) YAMAMURO, N. ET AL.: 1982 ANTWERP, 152 (1982).