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A Nuclear Cross Section Data Handbook

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Reaction<br />

elastic<br />

(n,2n)<br />

(n,3n)<br />

fission<br />

(n,n’1)<br />

(n,n’2)<br />

(n,n’3)<br />

(n,n’4)<br />

(n,n’t$)<br />

(n,n’fJ)<br />

(n,n’?)<br />

(n,n’8)<br />

(n,n’9)<br />

(n,n’10)<br />

(n,n’11)<br />

(n,n’12)<br />

(n,n’13)<br />

(n,n’14)<br />

(n,n’15)<br />

(n,n’16)<br />

(n,n’l?)<br />

(n,n’lt3)<br />

(n,n’19)<br />

(n,n’20)<br />

(n,n’21)<br />

(n,n’22)<br />

(n,n’23)<br />

(n,n’24)<br />

(n,n’25)<br />

(n,n’26)<br />

(n,n’27)<br />

(n,n’28)<br />

(n,n’c)<br />

(n,7)<br />

Neptunium – 237<br />

ZAID=93237.55C<br />

SOURCE: Group T-2 (MAT= 1337, File unknown)<br />

REFERENCE: “Revised 237Np Evaluation<br />

by E. D. Arthur and R. E. MacFarlane<br />

Los Alamos National Laboratory internal memorandum T-2-M-1467 (March 19, 1984)<br />

<strong>Data</strong> Availability<br />

Continuous Energy<br />

ZAID=93237.55C NES=1682 T=300”K<br />

Discrete Reaction<br />

ZAID=93237.55D NES=263 T=300’7K<br />

Multigroup<br />

ZAID=93237.55M 30-Group T=300=’K<br />

MT<br />

68<br />

69<br />

70<br />

71<br />

72<br />

73<br />

7;<br />

76<br />

77<br />

78<br />

1:;<br />

,rsotoDe Inforrrmtioq<br />

Abundance= Nonnatural<br />

Density =20.45 gm/cm3<br />

Evall lation InfOrmatio~<br />

Photon-Production <strong>Data</strong> - No<br />

Heating Numbers - Total<br />

Energy Range – 10–11 to 20 MeV<br />

Reaction Information<br />

Emin(MeV)<br />

1.0000-11<br />

y#le;\<br />

K (MeV)<br />

6. 7890+00 2:0000+01 7600+00<br />

1. 2342+01<br />

1.0000-11<br />

2.0000+01<br />

2.0000+01<br />

2290+01<br />

9510+02<br />

3.3341-02 2.0000+01 3200-02<br />

5.9854-02 2.0000+01 9600-02<br />

; . f3:3:-c):<br />

1: 2854=01<br />

1.5970-01<br />

1.9081-01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

-1.<br />

-1.<br />

-1.<br />

6000-02<br />

0300-01<br />

2800-01<br />

5900-01<br />

9000-01<br />

2.2800-01<br />

2.6211-01<br />

:. f3;3:-();<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

-2.<br />

:::<br />

-2.<br />

2700-01<br />

6100-01<br />

6800-01<br />

8100-01<br />

3:0931=01 2.0000+01 -3. 0800-01<br />

3.2540-01<br />

3.3341-01<br />

2.0000+01<br />

2.0000+01<br />

-3.<br />

-3.<br />

2400-01<br />

3200-01<br />

3.4145-01<br />

3.5852-01<br />

2.0000+01<br />

2.0000+01 :::<br />

4000-01<br />

5700-01<br />

3.7100-01 2.0000+01 -3. 6900-01<br />

3.7260-01<br />

4.0200-01<br />

4.3400-01<br />

4.3600-01<br />

4.5600-01<br />

4.6100-01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

:::<br />

-4.<br />

-4.<br />

-4.<br />

-4.<br />

7100-01<br />

0000-01<br />

3200-01<br />

3400-01<br />

5400-01<br />

5900-01<br />

4.8706-01<br />

5.0815-01<br />

2.0000+01<br />

2.0000+01 ;::<br />

8500-01<br />

0600-01<br />

5.1619-01<br />

5.3426-01<br />

5.4832-01<br />

4.0000-01<br />

1.0000-11<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

2.0000+01<br />

1400-01<br />

-5: 3200-01<br />

-5. 4600-01<br />

-3. 9800-01<br />

5. 4820+00<br />

QR(Mev)<br />

-6.7600+00<br />

-1.2290+01<br />

1.9510+02<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

0.0000+00<br />

o 0000+00<br />

0 0000+00<br />

0 0000+00<br />

0 0000+00<br />

0 0000+00<br />

0... 0000+00<br />

0 0000+00<br />

o 0000+00<br />

o 0000+00<br />

0.0000+00<br />

-3.9800-01<br />

5.4820+00<br />

228<br />

THSRMAL<br />

srcivr - m8m w<br />

MFP=O.10 em<br />

E=1OJW<br />

sm’tn’= 6.79 tuwns<br />

UP. 2R3 m<br />

E = f4tm Mev<br />

slcn?r-6Lis barns<br />

MFP=W4em<br />

. N*<br />

m #.4.mc<br />

. (.y.jf)<br />

(N#

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