ENTRY O0632 20000424 0000O063200000001
SUBENT O0632001 20000424 0000O063200100001
BIB 15 72 O063200100002
TITLE Proton-Induced Fission Cross Sections For U-238, U- O063200100003
235, Th-232, Bi-209, and Au-197 at 100 to 340 MeV O063200100004
AUTHOR (H.M.STEINER,J.A.JUNGERMAN) O063200100005
INSTITUTE (1USABRK,1USADAV) O063200100006
REFERENCE (J,PR,101,807,1956) O063200100007
REL-REF (D,,J.A.JUNGERMAN,J,PR,79,632,1950) An Earlier O063200100008
Experiment. The Authors Believe It is in Error Due to O063200100009
Unreliable Operation of the Chamber. O063200100010
(N,,CHAMBERLAIN+,J,PR,83,923,1951) Details of the Beam O063200100011
Monitoring. O063200100012
FACILITY (SYNCY,1USACLA) O063200100013
SAMPLE The Samples, 0.6-1.1 Mg/Cm**2 Thick, About 2*2 Inch O063200100014
Area, were Prepared by Either Painting or Evaporation O063200100015
Onto 0.001-Inch Aluminum Foil. O063200100016
COMMENT - By Compiler - No Details Given For Purity of the O063200100017
Samples. O063200100018
METHOD (FISCT,EXTB,SITA,EDEG,PHD) The Full-Energy Proton Beam O063200100019
Had Energy Spread Less Than 1%. Beryllium Absobers O063200100020
Were Used to Reduce the Energy of the Beam. The Energy O063200100021
Of the Beam Passing the Fission Chamber was Measured O063200100022
With the Use of Additional Copper Absorbers and O063200100023
Ionization Chambers. O063200100024
DETECTOR (IOCH) A Cancellation-Type Ionization Chamber of 2-Pi O063200100025
Geometry, Filled with 1 Atmosphere of Hydrogen Gas, O063200100026
Consisted of Three Electrodes, Arranged So As to Form O063200100027
Two Adjacent Parallel-Plate Ionization Chambers. A O063200100028
Beam of Charged Particles Passing Through the Fission O063200100029
Chamber Produced Almost Equal Amounts of Ionization in O063200100030
Both these Regions. Almost Complete Cancellation of O063200100031
The Pulses Caused by the Beam Ionization Could be O063200100032
Obtained. The Beam was Monitored by an Additional O063200100033
Parallel-Plate Ionization Chamber Filled with 1 O063200100034
Atmosphere of Argon. See Rel-Ref For Details of the O063200100035
Beam Monitoring. O063200100036
PART-DET (FF). O063200100037
CORRECTION Performed: Background Pulses Due to Incomplete O063200100038
Cancellation of Proton-Induced Ionization: Less Than O063200100039
1% For Uranium-238, Uranium-235 and Thorium-232; Less O063200100040
Than 10% For Bismuth, and Less Than 25% For Gold. O063200100041
Sample-Thickness Corrections, 8-14%, Determined in O063200100042
Special Measurements with Thinner Samples at 336 MeV. O063200100043
Deviation of the Effective Solid Angle from 2-Pi, O063200100044
1.5%. O063200100045
The Neutron Contamination of the Beam, 2% For Uranium- O063200100046
235, 1% For the Other Target Nuclei. O063200100047
Negligible: the Loss of Fission Events Due to Pile-Up O063200100048
Of Fission Pulses, Less Than 1%. O063200100049
ERR-ANALYS (ERR-1) Uncertainty in Determination of Sample O063200100050
Thickness. O063200100051
(ERR-2) Uniformity of Sample Material. O063200100052
(ERR-3) Self-Absorption of Fission Fragments in the O063200100053
Sample Material. O063200100054
(ERR-4) Extrapolation to Zero Bias. O063200100055
(ERR-5) Momentum Transfer to the Target Nucleus. O063200100056
(ERR-6) Uncertainty Due to Determination of Beam O063200100057
Energy. O063200100058
(ERR-7) Calibration of Beam Monitor. O063200100059
(ERR-8) Geometry of the Chamber. O063200100060
(ERR-9) Total Systematic Error Given by Authors, As a O063200100061
Result of All Above Mentioned Contributions. O063200100062
(ERR-S) The Uncertainties Shown in the Figures and O063200100063
Given in the Data Sections are Purely Due to Counting O063200100064
Statistics. O063200100065
(EN-ERR) Data Reader Uncertainty. O063200100066
(ERR-10) Data Reader Uncertainty. O063200100067
STATUS (CURVE) From Fig. 7-11, Digitized by Compiler. O063200100068
HISTORY (19980512C) By Khlopin'S Institute - A.P. O063200100069
(19980525A) A Little Corrections in Bib Section of O063200100070
Subent O063200100071
001. O063200100072
(19980525U) Last checking has been done. O063200100073
(20000424A) DATE is corrected O063200100074
ENDBIB 72 0 O063200100075
COMMON 11 6 O063200100076
ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 O063200100077
ERR-7 ERR-8 ERR-9 EN-ERR ERR-10 O063200100078
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT O063200100079
PER-CENT PER-CENT PER-CENT MEV PER-CENT O063200100080
3. 3. 5. 5. 1.5 1.O063200100081
3. 0.5 9. 1.5 3. O063200100082
ENDCOMMON 6 0 O063200100083
ENDSUBENT 82 0 O063200199999
SUBENT O0632002 20000424 0000O063200200001
BIB 4 9 O063200200002
REACTION (92-U-238(P,F),,SIG,,,EXP) O063200200003
REL-REF (D,C0372001,R.L.FOLGER+,J,PR,98,107,1955) RadiochemicalO063200200004
Work. The Integral Fission Cross Sections are not O063200200005
Compiled in the Mentioned Entry yet. O063200200006
MISC-COL (MISC) A Fractional Change in the Effective Solid O063200200007
Angle Due to the Center-Of-Mass Motion. O063200200008
ERR-ANALYS (MISC-ERR) No Explanations are Given by Authors. O063200200009
Compiler Assumes this Uncertainty is Totally or Mainly O063200200010
Due to Counting Statistics. O063200200011
ENDBIB 9 0 O063200200012
NOCOMMON 0 0 O063200200013
DATA 5 16 O063200200014
EN DATA ERR-S MISC MISC-ERR O063200200015
MEV MB MB NO-DIM NO-DIM O063200200016
114. 1370. 150. O063200200017
130. 1330. 45. O063200200018
132. 1350. 45. O063200200019
154. 1420. 50. O063200200020
158. 1470. 55. O063200200021
178. 1305. 30. O063200200022
182. 1360. 40. O063200200023
192. 1375. 25. 0.02 0.012 O063200200024
194. 1355. 45. O063200200025
216. 1305. 25. O063200200026
230. 1315. 15. O063200200027
254. 1325. 35. O063200200028
261. 1330. 25. O063200200029
288. 1370. 30. O063200200030
303. 1375. 25. O063200200031
336. 1345. 15. 0.037 0.011 O063200200032
ENDDATA 18 0 O063200200033
ENDSUBENT 32 0 O063200299999
SUBENT O0632003 20000424 0000O063200300001
BIB 1 1 O063200300002
REACTION (92-U-235(P,F),,SIG,,,EXP) O063200300003
ENDBIB 1 0 O063200300004
NOCOMMON 0 0 O063200300005
DATA 3 19 O063200300006
EN DATA ERR-S O063200300007
MEV MB MB O063200300008
114. 1665. 165. O063200300009
130. 1200. 40. O063200300010
132. 1505. 40. O063200300011
154. 1505. 50. O063200300012
158. 1350. 50. O063200300013
178. 1350. 30. O063200300014
182. 1310. 45. O063200300015
191. 1335. 35. O063200300016
193. 1320. 45. O063200300017
193. 1230. 20. O063200300018
216. 1270. 30. O063200300019
230. 1300. 25. O063200300020
242. 1350. 20. O063200300021
254. 1326. 40. O063200300022
261. 1355. 25. O063200300023
287. 1300. 35. O063200300024
290. 1235. 25. O063200300025
302. 1340. 25. O063200300026
336. 1295. 15. O063200300027
ENDDATA 21 0 O063200300028
ENDSUBENT 27 0 O063200399999
SUBENT O0632004 20000424 0000O063200400001
BIB 1 1 O063200400002
REACTION (90-TH-232(P,F),,SIG,,,EXP) O063200400003
ENDBIB 1 0 O063200400004
NOCOMMON 0 0 O063200400005
DATA 3 15 O063200400006
EN DATA ERR-S O063200400007
MEV MB MB O063200400008
114. 885. 85. O063200400009
130. 870. 30. O063200400010
132. 890. 35. O063200400011
154. 950. 40. O063200400012
158. 905. 25. O063200400013
178. 855. 20. O063200400014
182. 870. 25. O063200400015
191. 840. 25. O063200400016
216. 810. 25. O063200400017
230. 800. 15. O063200400018
254. 795. 30. O063200400019
261. 815. 20. O063200400020
288. 810. 25. O063200400021
303. 795. 20. O063200400022
336. 815. 25. O063200400023
ENDDATA 17 0 O063200400024
ENDSUBENT 23 0 O063200499999
SUBENT O0632005 20000424 0000O063200500001
BIB 2 2 O063200500002
REACTION (83-BI-209(P,F),,SIG,,,EXP) O063200500003
REL-REF (A,,W.F.BILLER,R,UCRL-2067,195301) O063200500004
ENDBIB 2 0 O063200500005
NOCOMMON 0 0 O063200500006
DATA 3 13 O063200500007
EN DATA ERR-S O063200500008
MEV MB MB O063200500009
132. 125. 8. O063200500010
154. 136. 8. O063200500011
158. 146. 8. O063200500012
178. 155. 5. O063200500013
182. 147. 11. O063200500014
191. 148. 10. O063200500015
216. 173. 5. O063200500016
230. 157. 5. O063200500017
254. 176. 4. O063200500018
261. 192. 5. O063200500019
288. 205. 7. O063200500020
303. 189. 6. O063200500021
336. 199. 2. O063200500022
ENDDATA 15 0 O063200500023
ENDSUBENT 22 0 O063200599999
SUBENT O0632006 20000424 0000O063200600001
BIB 1 1 O063200600002
REACTION (79-AU-197(P,F),,SIG,,,EXP) O063200600003
ENDBIB 1 0 O063200600004
NOCOMMON 0 0 O063200600005
DATA 3 11 O063200600006
EN DATA ERR-S O063200600007
MEV MB MB O063200600008
132. 17.2 3.3 O063200600009
158. 16.2 6.3 O063200600010
176. 32.1 2. O063200600011
182. 27.5 6. O063200600012
216. 38. 1.8 O063200600013
230. 37.9 1.1 O063200600014
253. 35.5 2.2 O063200600015
261. 38.2 1.8 O063200600016
287. 51.1 4.1 O063200600017
302. 41.7 1.2 O063200600018
336. 50.2 0.8 O063200600019
ENDDATA 13 0 O063200600020
ENDSUBENT 19 0 O063200699999
ENDENTRY 6 0 O063299999999