Difference between revisions of "Cf-252 rates table"

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[[Cf-252 FTC-CFZ-431|Go back]]
! month/year!! neutron rate !!  activity [<math>\mu Ci</math>]  
+
 
 +
The neutron multiplicities for Cf252 and Cf250 are 3.7 and 3.5 ,respectively. 
 +
 
 +
 
 +
{| border="2"  
 +
! rowspan="3" | date !! rowspan="3"|total neutron rate [<math>s^{-1}</math>] !!  colspan="5" | Reaction rates [<math>s^{-1}</math>]
 
|-
 
|-
| 1/2017 || 19066<math>\pm</math>319 || 4.43<math>\pm</math>0.074
+
! colspan="2" | SF !! colspan="3" | <math>\alpha</math>
 
|-
 
|-
| 2/2017 || 18655<math>\pm</math>312 || 4.33<math>\pm</math>0.073
+
! <math>^{252}Cf</math> !! <math>^{250}Cf</math> !! <math>^{252}Cf</math> !! <math>^{250}Cf</math> !! <math>^{249}Cf</math>
 
|-
 
|-
| 3/2017 || 18252<math>\pm</math>306 || 4.24<math>\pm</math>0.071
+
|1/17||17000||4250 (92%)||355 (8)%||132923||443980||34350
 
|-
 
|-
| 4/2017 || 17857<math>\pm</math>299 || 4.15<math>\pm</math>0.07
+
|2/17||16600||4158 (92%)||354 (8)%||130057||442027||34344
 
|-
 
|-
| 5/2017 || 17472<math>\pm</math>293 || 4.06<math>\pm</math>0.068
+
|3/17||16300||4069 (92%)||352 (8)%||127253||440082||34339
 
|-
 
|-
| 6/2017 || 17094<math>\pm</math>286 || 3.97<math>\pm</math>0.067
+
|4/17||16000||3981 (92%)||351 (8)%||124509||438146||34333
 
|-
 
|-
| 7/2017 || 16725<math>\pm</math>280 || 3.88<math>\pm</math>0.065
+
|5/17||15600||3895 (92%)||349 (8)%||121825||436218||34327
 
|-
 
|-
| 8/2017 || 16364<math>\pm</math>274 || 3.8<math>\pm</math>0.064
+
|6/17||15300||3811 (92%)||347 (8)%||119198||434299||34322
 
|-
 
|-
| 9/2017 || 16010<math>\pm</math>268 || 3.72<math>\pm</math>0.062
+
|7/17||15000||3729 (91%)||346 (9)%||116628||432388||34316
 
|-
 
|-
| 10/2017 || 15664<math>\pm</math>262 || 3.64<math>\pm</math>0.061
+
|8/17||14700||3648 (91%)||344 (9)%||114113||430486||34310
 
|-
 
|-
| 11/2017 || 15326<math>\pm</math>257 || 3.56<math>\pm</math>0.06
+
|9/17||14400||3570 (91%)||343 (9)%||111653||428592||34305
 
|-
 
|-
| 12/2017 || 14995<math>\pm</math>251 || 3.48<math>\pm</math>0.058
+
|10/17||14100||3493 (91%)||341 (9)%||109246||426706||34299
 
|-
 
|-
| 1/2018 || 14671<math>\pm</math>246 || 3.41<math>\pm</math>0.057
+
|11/17||13800||3417 (91%)||340 (9)%||106890||424829||34294
 
|-
 
|-
| 2/2018 || 14354<math>\pm</math>240 || 3.33<math>\pm</math>0.056
+
|12/17||13600||3344 (90%)||338 (10)%||104585||422960||34288
 
|-
 
|-
| 3/2018 || 14044<math>\pm</math>235 || 3.26<math>\pm</math>0.055
+
|1/18||13300||3272 (91%)||337 (9)%||102330||421099||34282
 
|-
 
|-
| 4/2018 || 13740<math>\pm</math>230 || 3.19<math>\pm</math>0.053
+
|2/18||13000||3201 (91%)||335 (9)%||100124||419246||34277
 
|-
 
|-
| 5/2018 || 13444<math>\pm</math>225 || 3.12<math>\pm</math>0.052
+
|3/18||12800||3132 (90%)||334 (10)%||97965||417402||34271
 
|-
 
|-
| 6/2018 || 13153<math>\pm</math>220 || 3.05<math>\pm</math>0.051
+
|4/18||12500||3064 (90%)||332 (10)%||95853||415565||34265
 
|-
 
|-
| 7/2018 || 12869<math>\pm</math>215 || 2.99<math>\pm</math>0.05
+
|5/18||12300||2998 (90%)||331 (10)%||93786||413737||34260
 
|-
 
|-
| 8/2018 || 12591<math>\pm</math>211 || 2.92<math>\pm</math>0.049
+
|6/18||12000||2934 (90%)||330 (10)%||91764||411917||34254
 
|-
 
|-
| 9/2018 || 12319<math>\pm</math>206 || 2.86<math>\pm</math>0.048
+
|7/18||11800||2870 (89%)||328 (11)%||89786||410104||34248
 
|-
 
|-
| 10/2018 || 12053<math>\pm</math>202 || 2.8<math>\pm</math>0.047
+
|8/18||11500||2809 (90%)||327 (10)%||87850||408300||34243
 
|-
 
|-
| 11/2018 || 11793<math>\pm</math>197 || 2.74<math>\pm</math>0.046
+
|9/18||11300||2748 (89%)||325 (11)%||85955||406504||34237
 
|-
 
|-
| 12/2018 || 11538<math>\pm</math>193 || 2.68<math>\pm</math>0.045
+
|10/18||11100||2689 (89%)||324 (11)%||84102||404715||34232
 
|-
 
|-
| 1/2019 || 11289<math>\pm</math>189 || 2.62<math>\pm</math>0.044
+
|11/18||10900||2631 (89%)||322 (11)%||82289||402935||34226
 
|-
 
|-
| 2/2019 || 11045<math>\pm</math>185 || 2.56<math>\pm</math>0.043
+
|12/18||10600||2574 (89%)||321 (11)%||80515||401162||34220
 
|-
 
|-
| 3/2019 || 10806<math>\pm</math>181 || 2.51<math>\pm</math>0.042
+
|1/19||10400||2519 (89%)||320 (11)%||78779||399397||34215
 
|-
 
|-
| 4/2019 || 10573<math>\pm</math>177 || 2.45<math>\pm</math>0.041
+
|2/19||10200||2464 (89%)||318 (11)%||77080||397640||34209
 
|-
 
|-
| 5/2019 || 10344<math>\pm</math>173 || 2.4<math>\pm</math>0.04
+
|3/19||10000||2411 (89%)||317 (11)%||75418||395890||34203
 
|-
 
|-
| 6/2019 || 10121<math>\pm</math>169 || 2.35<math>\pm</math>0.039
+
|4/19||9800||2359 (89%)||315 (11)%||73792||394149||34198
 
|-
 
|-
| 7/2019 || 9902<math>\pm</math>166 || 2.3<math>\pm</math>0.039
+
|5/19||9600||2308 (88%)||314 (12)%||72201||392414||34192
 
|-
 
|-
| 8/2019 || 9688<math>\pm</math>162 || 2.25<math>\pm</math>0.038
+
|6/19||9500||2258 (87%)||313 (13)%||70644||390688||34187
 
|-
 
|-
| 9/2019 || 9479<math>\pm</math>158 || 2.2<math>\pm</math>0.037
+
|7/19||9300||2210 (87%)||311 (13)%||69121||388969||34181
 
|-
 
|-
| 10/2019 || 9274<math>\pm</math>155 || 2.15<math>\pm</math>0.036
+
|8/19||9100||2162 (87%)||310 (13)%||67631||387258||34175
 
|-
 
|-
| 11/2019 || 9074<math>\pm</math>152 || 2.11<math>\pm</math>0.035
+
|9/19||8900||2115 (87%)||308 (13)%||66172||385554||34170
 
|-
 
|-
| 12/2019 || 8878<math>\pm</math>148 || 2.06<math>\pm</math>0.035
+
|10/19||8700||2070 (88%)||307 (12)%||64746||383858||34164
 
|-
 
|-
| 1/2020 || 8686<math>\pm</math>145 || 2.02<math>\pm</math>0.034
+
|11/19||8600||2025 (87%)||306 (13)%||63350||382169||34158
 
|-
 
|-
| 2/2020 || 8498<math>\pm</math>142 || 1.97<math>\pm</math>0.033
+
|12/19||8400||1981 (87%)||304 (13)%||61984||380487||34153
 
|-
 
|-
| 3/2020 || 8315<math>\pm</math>139 || 1.93<math>\pm</math>0.032
+
|1/20||8200||1939 (87%)||303 (13)%||60647||378813||34147
 
|-
 
|-
| 4/2020 || 8135<math>\pm</math>136 || 1.89<math>\pm</math>0.032
+
|2/20||8100||1897 (86%)||302 (14)%||59340||377147||34142
 
|-
 
|-
| 5/2020 || 7959<math>\pm</math>133 || 1.85<math>\pm</math>0.031
+
|3/20||7900||1856 (86%)||300 (14)%||58060||375487||34136
 
|-
 
|-
| 6/2020 || 7787<math>\pm</math>130 || 1.81<math>\pm</math>0.03
+
|4/20||7800||1816 (86%)||299 (14)%||56808||373835||34130
 
|-
 
|-
| 7/2020 || 7619<math>\pm</math>127 || 1.77<math>\pm</math>0.03
+
|5/20||7600||1777 (86%)||298 (14)%||55583||372191||34125
 
|-
 
|-
| 8/2020 || 7455<math>\pm</math>125 || 1.73<math>\pm</math>0.029
+
|6/20||7500||1739 (85%)||296 (15)%||54385||370553||34119
 
|-
 
|-
| 9/2020 || 7294<math>\pm</math>122 || 1.69<math>\pm</math>0.028
+
|7/20||7300||1701 (86%)||295 (14)%||53212||368923||34113
 
|-
 
|-
| 10/2020 || 7136<math>\pm</math>119 || 1.66<math>\pm</math>0.028
+
|8/20||7200||1664 (85%)||294 (15)%||52065||367300||34108
 
|-
 
|-
| 11/2020 || 6982<math>\pm</math>117 || 1.62<math>\pm</math>0.027
+
|9/20||7000||1628 (86%)||293 (14)%||50942||365684||34102
 
|-
 
|-
| 12/2020 || 6831<math>\pm</math>114 || 1.59<math>\pm</math>0.027
+
|10/20||6900||1593 (85%)||291 (15)%||49844||364075||34097
 
|-
 
|-
| 1/2021 || 6683<math>\pm</math>112 || 1.55<math>\pm</math>0.026
+
|11/20||6800||1559 (84%)||290 (16)%||48769||362473||34091
 
|-
 
|-
| 2/2021 || 6539<math>\pm</math>109 || 1.52<math>\pm</math>0.025
+
|12/20||6700||1525 (84%)||289 (16)%||47718||360878||34085
 
|-
 
|-
| 3/2021 || 6398<math>\pm</math>107 || 1.49<math>\pm</math>0.025
+
|1/21||6500||1492 (84%)||287 (16)%||46689||359291||34080
 
|-
 
|-
| 4/2021 || 6260<math>\pm</math>104 || 1.45<math>\pm</math>0.024
+
|2/21||6400||1460 (84%)||286 (16)%||45682||357710||34074
 
|-
 
|-
| 5/2021 || 6124<math>\pm</math>102 || 1.42<math>\pm</math>0.024
+
|3/21||6300||1429 (83%)||285 (17)%||44697||356136||34069
 
|-
 
|-
| 6/2021 || 5992<math>\pm</math>100 || 1.39<math>\pm</math>0.023
+
|4/21||6200||1398 (83%)||284 (17)%||43734||354569||34063
 
|-
 
|-
| 7/2021 || 5863<math>\pm</math>98 || 1.36<math>\pm</math>0.023
+
|5/21||6000||1368 (84%)||282 (16)%||42791||353009||34057
 
|-
 
|-
| 8/2021 || 5736<math>\pm</math>96 || 1.33<math>\pm</math>0.022
+
|6/21||5900||1338 (83%)||281 (17)%||41868||351456||34052
 
|-
 
|-
| 9/2021 || 5612<math>\pm</math>94 || 1.3<math>\pm</math>0.022
+
|7/21||5800||1309 (83%)||280 (17)%||40965||349910||34046
 
|-
 
|-
| 10/2021 || 5491<math>\pm</math>92 || 1.27<math>\pm</math>0.021
+
|8/21||5700||1281 (83%)||279 (17)%||40082||348370||34041
 
|-
 
|-
| 11/2021 || 5372<math>\pm</math>90 || 1.25<math>\pm</math>0.021
+
|9/21||5600||1254 (82%)||277 (18)%||39218||346838||34035
 
|-
 
|-
| 12/2021 || 5256<math>\pm</math>88 || 1.22<math>\pm</math>0.02
+
|10/21||5500||1226 (82%)||276 (18)%||38372||345312||34029
 
|-
 
|-
| 1/2022 || 5143<math>\pm</math>86 || 1.19<math>\pm</math>0.02
+
|11/21||5400||1200 (82%)||275 (18)%||37545||343793||34024
 
|-
 
|-
| 2/2022 || 5032<math>\pm</math>84 || 1.17<math>\pm</math>0.02
+
|12/21||5300||1174 (81%)||274 (19)%||36735||342280||34018
 
|-
 
|-
| 3/2022 || 4923<math>\pm</math>82 || 1.14<math>\pm</math>0.019
+
|1/22||5200||1149 (81%)||273 (19)%||35943||340774||34013
 
|-
 
|-
| 4/2022 || 4816<math>\pm</math>80 || 1.12<math>\pm</math>0.019
+
|2/22||5100||1124 (81%)||271 (19)%||35168||339275||34007
 
|-
 
|-
| 5/2022 || 4712<math>\pm</math>79 || 1.09<math>\pm</math>0.018
+
|3/22||5000||1100 (81%)||270 (19)%||34410||337782||34001
 
|-
 
|-
| 6/2022 || 4611<math>\pm</math>77 || 1.07<math>\pm</math>0.018
+
|4/22||4900||1076 (81%)||269 (19)%||33668||336296||33996
 
|-
 
|-
| 7/2022 || 4511<math>\pm</math>75 || 1.05<math>\pm</math>0.018
+
|5/22||4800||1053 (81%)||268 (19)%||32942||334816||33990
 
|-
 
|-
| 8/2022 || 4414<math>\pm</math>74 || 1.02<math>\pm</math>0.017
+
|6/22||4700||1030 (81%)||267 (19)%||32232||333343||33985
 
|-
 
|-
| 9/2022 || 4318<math>\pm</math>72 || 1.0<math>\pm</math>0.017
+
|7/22||4700||1008 (79%)||265 (21)%||31537||331877||33979
 
|-
 
|-
| 10/2022 || 4225<math>\pm</math>70 || 0.98<math>\pm</math>0.016
+
|8/22||4600||986 (79%)||264 (21)%||30857||330417||33973
 
|-
 
|-
| 11/2022 || 4134<math>\pm</math>69 || 0.96<math>\pm</math>0.016
+
|9/22||4500||965 (79%)||263 (21)%||30191||328963||33968
 
|-
 
|-
| 12/2022 || 4044<math>\pm</math>67 || 0.94<math>\pm</math>0.016
+
|10/22||4400||944 (79%)||262 (21)%||29540||327516||33962
 
|-
 
|-
| 1/2023 || 3957<math>\pm</math>66 || 0.92<math>\pm</math>0.015
+
|11/22||4300||924 (79%)||261 (21)%||28904||326075||33957
 
|-
 
|-
| 2/2023 || 3871<math>\pm</math>64 || 0.9<math>\pm</math>0.015
+
|12/22||4300||904 (77%)||260 (23)%||28280||324640||33951
 
|-
 
|-
| 3/2023 || 3788<math>\pm</math>63 || 0.88<math>\pm</math>0.015
+
|1/23||4200||884 (77%)||258 (23)%||27671||323212||33945
 
|-
 
|-
| 4/2023 || 3706<math>\pm</math>62 || 0.86<math>\pm</math>0.014
+
|2/23||4100||865 (78%)||257 (22)%||27074||321790||33940
 
|-
 
|-
| 5/2023 || 3626<math>\pm</math>60 || 0.84<math>\pm</math>0.014
+
|3/23||4000||847 (78%)||256 (22)%||26490||320374||33934
 
|-
 
|-
| 6/2023 || 3548<math>\pm</math>59 || 0.82<math>\pm</math>0.014
+
|4/23||4000||828 (76%)||255 (24)%||25919||318964||33929
 
|-
 
|-
| 7/2023 || 3471<math>\pm</math>58 || 0.81<math>\pm</math>0.014
+
|5/23||3900||810 (76%)||254 (24)%||25360||317561||33923
 
|-
 
|-
| 8/2023 || 3396<math>\pm</math>56 || 0.79<math>\pm</math>0.013
+
|6/23||3800||793 (77%)||253 (23)%||24813||316164||33918
 
|-
 
|-
| 9/2023 || 3323<math>\pm</math>55 || 0.77<math>\pm</math>0.013
+
|7/23||3800||776 (75%)||252 (25)%||24278||314773||33912
 
|-
 
|-
| 10/2023 || 3251<math>\pm</math>54 || 0.75<math>\pm</math>0.013
+
|8/23||3700||759 (75%)||251 (25)%||23755||313388||33906
 
|-
 
|-
| 11/2023 || 3181<math>\pm</math>53 || 0.74<math>\pm</math>0.012
+
|9/23||3600||743 (76%)||250 (24)%||23243||312009||33901
 
|-
 
|-
| 12/2023 || 3112<math>\pm</math>52 || 0.72<math>\pm</math>0.012
+
|10/23||3600||727 (74%)||248 (26)%||22742||310637||33895
 
|-
 
|-
| 1/2024 || 3045<math>\pm</math>51 || 0.71<math>\pm</math>0.012
+
|11/23||3500||711 (75%)||247 (25)%||22251||309270||33890
 
|-
 
|-
| 2/2024 || 2979<math>\pm</math>49 || 0.69<math>\pm</math>0.012
+
|12/23||3400||696 (75%)||246 (25)%||21771||307909||33884
 
|-
 
|-
| 3/2024 || 2914<math>\pm</math>48 || 0.68<math>\pm</math>0.011
+
|1/24||3400||681 (74%)||245 (26)%||21302||306554||33878
 
|-
 
|-
| 4/2024 || 2852<math>\pm</math>47 || 0.66<math>\pm</math>0.011
+
|2/24||3300||666 (74%)||244 (26)%||20843||305206||33873
 
|-
 
|-
| 5/2024 || 2790<math>\pm</math>46 || 0.65<math>\pm</math>0.011
+
|3/24||3300||652 (73%)||243 (27)%||20393||303863||33867
 
|-
 
|-
| 6/2024 || 2730<math>\pm</math>45 || 0.63<math>\pm</math>0.011
+
|4/24||3200||638 (73%)||242 (27)%||19954||302526||33862
 
|-
 
|-
| 7/2024 || 2671<math>\pm</math>44 || 0.62<math>\pm</math>0.01
+
|5/24||3200||624 (72%)||241 (28)%||19523||301195||33856
 
|-
 
|-
| 8/2024 || 2613<math>\pm</math>43 || 0.607<math>\pm</math>0.01
+
|6/24||3100||610 (72%)||240 (28)%||19102||299870||33851
 
|-
 
|-
| 9/2024 || 2556<math>\pm</math>42 || 0.594<math>\pm</math>0.01
+
|7/24||3000||597 (73%)||239 (27)%||18690||298551||33845
 
|-
 
|-
| 10/2024 || 2501<math>\pm</math>41 || 0.581<math>\pm</math>0.01
+
|8/24||3000||584 (72%)||238 (28)%||18287||297237||33839
 
|-
 
|-
| 11/2024 || 2447<math>\pm</math>41 || 0.568<math>\pm</math>0.01
+
|9/24||2900||572 (72%)||237 (28)%||17893||295929||33834
 
|-
 
|-
| 12/2024 || 2394<math>\pm</math>40 || 0.556<math>\pm</math>0.009
+
|10/24||2900||559 (71%)||236 (29)%||17507||294627||33828
 
|-
 
|-
| 1/2025 || 2343<math>\pm</math>39 || 0.544<math>\pm</math>0.009
+
|11/24||2800||547 (72%)||235 (28)%||17130||293331||33823
 
|-
 
|-
| 2/2025 || 2292<math>\pm</math>38 || 0.532<math>\pm</math>0.009
+
|12/24||2800||535 (70%)||234 (30)%||16760||292041||33817
 
|-
 
|-
| 3/2025 || 2242<math>\pm</math>37 || 0.521<math>\pm</math>0.009
+
|1/25||2800||524 (69%)||232 (31)%||16399||290756||33812
 
|-
 
|-
| 4/2025 || 2194<math>\pm</math>36 || 0.509<math>\pm</math>0.009
+
|2/25||2700||513 (70%)||231 (30)%||16046||289476||33806
 
|-
 
|-
| 5/2025 || 2147<math>\pm</math>36 || 0.498<math>\pm</math>0.008
+
|3/25||2700||502 (68%)||230 (32)%||15700||288203||33801
 
|-
 
|-
| 6/2025 || 2100<math>\pm</math>35 || 0.488<math>\pm</math>0.008
+
|4/25||2600||491 (69%)||229 (31)%||15361||286935||33795
 
|-
 
|-
| 7/2025 || 2055<math>\pm</math>34 || 0.477<math>\pm</math>0.008
+
|5/25||2600||480 (68%)||228 (32)%||15030||285673||33789
 
|-
 
|-
| 8/2025 || 2010<math>\pm</math>33 || 0.467<math>\pm</math>0.008
+
|6/25||2500||470 (69%)||227 (31)%||14706||284416||33784
 
|-
 
|-
| 9/2025 || 1967<math>\pm</math>32 || 0.457<math>\pm</math>0.008
+
|7/25||2500||460 (68%)||226 (32)%||14389||283164||33778
 
|-
 
|-
| 10/2025 || 1925<math>\pm</math>32 || 0.447<math>\pm</math>0.007
+
|8/25||2500||450 (66%)||225 (34)%||14078||281919||33773
 
|-
 
|-
| 11/2025 || 1883<math>\pm</math>31 || 0.437<math>\pm</math>0.007
+
|9/25||2400||440 (67%)||224 (33)%||13775||280678||33767
 
|-
 
|-
| 12/2025 || 1842<math>\pm</math>30 || 0.428<math>\pm</math>0.007
+
|10/25||2400||430 (66%)||223 (34)%||13478||279443||33762
 
|-
 
|-
| 1/2026 || 1802<math>\pm</math>30 || 0.419<math>\pm</math>0.007
+
|11/25||2300||421 (67%)||222 (33)%||13187||278214||33756
 
|-
 
|-
| 2/2026 || 1763<math>\pm</math>29 || 0.41<math>\pm</math>0.007
+
|12/25||2300||412 (66%)||221 (34)%||12903||276990||33750
 
|-
 
|-
| 3/2026 || 1725<math>\pm</math>28 || 0.401<math>\pm</math>0.007
+
|1/26||2300||403 (64%)||220 (36)%||12625||275771||33745
 
|-
 
|-
| 4/2026 || 1688<math>\pm</math>28 || 0.392<math>\pm</math>0.007
+
|2/26||2200||394 (66%)||219 (34)%||12352||274558||33739
 
|-
 
|-
| 5/2026 || 1652<math>\pm</math>27 || 0.384<math>\pm</math>0.006
+
|3/26||2200||386 (64%)||219 (36)%||12086||273350||33734
 
|-
 
|-
| 6/2026 || 1616<math>\pm</math>27 || 0.375<math>\pm</math>0.006
+
|4/26||2200||378 (63%)||218 (37)%||11826||272147||33728
 
|-
 
|-
| 7/2026 || 1581<math>\pm</math>26 || 0.367<math>\pm</math>0.006
+
|5/26||2100||369 (65%)||217 (35)%||11571||270950||33723
 
|-
 
|-
| 8/2026 || 1547<math>\pm</math>25 || 0.359<math>\pm</math>0.006
+
|6/26||2100||362 (63%)||216 (37)%||11321||269758||33717
 
|-
 
|-
| 9/2026 || 1513<math>\pm</math>25 || 0.351<math>\pm</math>0.006
+
|7/26||2100||354 (62%)||215 (38)%||11077||268571||33712
 
|-
 
|-
| 10/2026 || 1481<math>\pm</math>24 || 0.344<math>\pm</math>0.006
+
|8/26||2000||346 (64%)||214 (36)%||10838||267389||33706
 
|-
 
|-
| 11/2026 || 1449<math>\pm</math>24 || 0.336<math>\pm</math>0.006
+
|9/26||2000||339 (62%)||213 (38)%||10604||266213||33701
 
|-
 
|-
| 12/2026 || 1417<math>\pm</math>23 || 0.329<math>\pm</math>0.006
+
|10/26||2000||331 (61%)||212 (39)%||10376||265042||33695
 
|-
 
|-
| 1/2027 || 1387<math>\pm</math>23 || 0.322<math>\pm</math>0.005
+
|11/26||1900||324 (63%)||211 (37)%||10152||263876||33689
 
|-
 
|-
| 2/2027 || 1357<math>\pm</math>22 || 0.315<math>\pm</math>0.005
+
|12/26||1900||317 (61%)||210 (39)%||9933||262715||33684
 
|-
 
|-
| 3/2027 || 1328<math>\pm</math>22 || 0.308<math>\pm</math>0.005
+
|1/27||1900||310 (60%)||209 (40)%||9719||261559||33678
 
|-
 
|-
| 4/2027 || 1299<math>\pm</math>21 || 0.302<math>\pm</math>0.005
+
|2/27||1900||304 (59%)||208 (41)%||9509||260408||33673
 
|-
 
|-
| 5/2027 || 1271<math>\pm</math>21 || 0.295<math>\pm</math>0.005
+
|3/27||1800||297 (61%)||207 (39)%||9304||259262||33667
 
|-
 
|-
| 6/2027 || 1243<math>\pm</math>20 || 0.289<math>\pm</math>0.005
+
|4/27||1800||291 (59%)||206 (41)%||9104||258122||33662
 
|-
 
|-
| 7/2027 || 1216<math>\pm</math>20 || 0.283<math>\pm</math>0.005
+
|5/27||1800||284 (58%)||205 (42)%||8907||256986||33656
 
|-
 
|-
| 8/2027 || 1190<math>\pm</math>19 || 0.276<math>\pm</math>0.005
+
|6/27||1700||278 (60%)||205 (40)%||8715||255855||33651
 
|-
 
|-
| 9/2027 || 1164<math>\pm</math>19 || 0.27<math>\pm</math>0.005
+
|7/27||1700||272 (59%)||204 (41)%||8527||254730||33645
 
|-
 
|-
| 10/2027 || 1139<math>\pm</math>19 || 0.265<math>\pm</math>0.004
+
|8/27||1700||266 (57%)||203 (43)%||8344||253609||33640
 
|-
 
|-
| 11/2027 || 1115<math>\pm</math>18 || 0.259<math>\pm</math>0.004
+
|9/27||1700||261 (56%)||202 (44)%||8164||252493||33634
 
|-
 
|-
| 12/2027 || 1091<math>\pm</math>18 || 0.253<math>\pm</math>0.004
+
|10/27||1600||255 (58%)||201 (42)%||7988||251382||33629
 
|-
 
|-
| 1/2028 || 1067<math>\pm</math>17 || 0.248<math>\pm</math>0.004
+
|11/27||1600||249 (57%)||200 (43)%||7815||250276||33623
 
|-
 
|-
| 2/2028 || 1044<math>\pm</math>17 || 0.242<math>\pm</math>0.004
+
|12/27||1600||244 (56%)||199 (44)%||7647||249175||33617
 
|-
 
|-
| 3/2028 || 1021<math>\pm</math>17 || 0.237<math>\pm</math>0.004
 
|-
 
| 4/2028 || 999<math>\pm</math>16 || 0.232<math>\pm</math>0.004
 
|-
 
| 5/2028 || 978<math>\pm</math>16 || 0.227<math>\pm</math>0.004
 
|-
 
| 6/2028 || 957<math>\pm</math>16 || 0.222<math>\pm</math>0.004
 
|-
 
| 7/2028 || 936<math>\pm</math>15 || 0.217<math>\pm</math>0.004
 
|-
 
| 8/2028 || 916<math>\pm</math>15 || 0.213<math>\pm</math>0.004
 
|-
 
| 9/2028 || 896<math>\pm</math>15 || 0.208<math>\pm</math>0.003
 
|-
 
| 10/2028 || 877<math>\pm</math>14 || 0.204<math>\pm</math>0.003
 
|-
 
| 11/2028 || 858<math>\pm</math>14 || 0.199<math>\pm</math>0.003
 
|-
 
| 12/2028 || 839<math>\pm</math>14 || 0.195<math>\pm</math>0.003
 
|-
 
| 1/2029 || 821<math>\pm</math>13 || 0.191<math>\pm</math>0.003
 
|-
 
| 2/2029 || 803<math>\pm</math>13 || 0.187<math>\pm</math>0.003
 
|-
 
| 3/2029 || 786<math>\pm</math>13 || 0.183<math>\pm</math>0.003
 
|-
 
| 4/2029 || 769<math>\pm</math>12 || 0.179<math>\pm</math>0.003
 
|-
 
| 5/2029 || 752<math>\pm</math>12 || 0.175<math>\pm</math>0.003
 
|-
 
| 6/2029 || 736<math>\pm</math>12 || 0.171<math>\pm</math>0.003
 
|-
 
| 7/2029 || 720<math>\pm</math>12 || 0.167<math>\pm</math>0.003
 
|-
 
| 8/2029 || 704<math>\pm</math>11 || 0.164<math>\pm</math>0.003
 
|-
 
| 9/2029 || 689<math>\pm</math>11 || 0.16<math>\pm</math>0.003
 
|-
 
| 10/2029 || 674<math>\pm</math>11 || 0.157<math>\pm</math>0.003
 
|-
 
| 11/2029 || 660<math>\pm</math>11 || 0.153<math>\pm</math>0.003
 
|-
 
| 12/2029 || 645<math>\pm</math>10 || 0.15<math>\pm</math>0.003
 
 
|}
 
|}
 +
 +
!<math>^{252}Cf</math>

Latest revision as of 19:49, 25 January 2017

Go back

The neutron multiplicities for Cf252 and Cf250 are 3.7 and 3.5 ,respectively.


date total neutron rate [[math]s^{-1}[/math]] Reaction rates [[math]s^{-1}[/math]]
SF [math]\alpha[/math]
[math]^{252}Cf[/math] [math]^{250}Cf[/math] [math]^{252}Cf[/math] [math]^{250}Cf[/math] [math]^{249}Cf[/math]
1/17 17000 4250 (92%) 355 (8)% 132923 443980 34350
2/17 16600 4158 (92%) 354 (8)% 130057 442027 34344
3/17 16300 4069 (92%) 352 (8)% 127253 440082 34339
4/17 16000 3981 (92%) 351 (8)% 124509 438146 34333
5/17 15600 3895 (92%) 349 (8)% 121825 436218 34327
6/17 15300 3811 (92%) 347 (8)% 119198 434299 34322
7/17 15000 3729 (91%) 346 (9)% 116628 432388 34316
8/17 14700 3648 (91%) 344 (9)% 114113 430486 34310
9/17 14400 3570 (91%) 343 (9)% 111653 428592 34305
10/17 14100 3493 (91%) 341 (9)% 109246 426706 34299
11/17 13800 3417 (91%) 340 (9)% 106890 424829 34294
12/17 13600 3344 (90%) 338 (10)% 104585 422960 34288
1/18 13300 3272 (91%) 337 (9)% 102330 421099 34282
2/18 13000 3201 (91%) 335 (9)% 100124 419246 34277
3/18 12800 3132 (90%) 334 (10)% 97965 417402 34271
4/18 12500 3064 (90%) 332 (10)% 95853 415565 34265
5/18 12300 2998 (90%) 331 (10)% 93786 413737 34260
6/18 12000 2934 (90%) 330 (10)% 91764 411917 34254
7/18 11800 2870 (89%) 328 (11)% 89786 410104 34248
8/18 11500 2809 (90%) 327 (10)% 87850 408300 34243
9/18 11300 2748 (89%) 325 (11)% 85955 406504 34237
10/18 11100 2689 (89%) 324 (11)% 84102 404715 34232
11/18 10900 2631 (89%) 322 (11)% 82289 402935 34226
12/18 10600 2574 (89%) 321 (11)% 80515 401162 34220
1/19 10400 2519 (89%) 320 (11)% 78779 399397 34215
2/19 10200 2464 (89%) 318 (11)% 77080 397640 34209
3/19 10000 2411 (89%) 317 (11)% 75418 395890 34203
4/19 9800 2359 (89%) 315 (11)% 73792 394149 34198
5/19 9600 2308 (88%) 314 (12)% 72201 392414 34192
6/19 9500 2258 (87%) 313 (13)% 70644 390688 34187
7/19 9300 2210 (87%) 311 (13)% 69121 388969 34181
8/19 9100 2162 (87%) 310 (13)% 67631 387258 34175
9/19 8900 2115 (87%) 308 (13)% 66172 385554 34170
10/19 8700 2070 (88%) 307 (12)% 64746 383858 34164
11/19 8600 2025 (87%) 306 (13)% 63350 382169 34158
12/19 8400 1981 (87%) 304 (13)% 61984 380487 34153
1/20 8200 1939 (87%) 303 (13)% 60647 378813 34147
2/20 8100 1897 (86%) 302 (14)% 59340 377147 34142
3/20 7900 1856 (86%) 300 (14)% 58060 375487 34136
4/20 7800 1816 (86%) 299 (14)% 56808 373835 34130
5/20 7600 1777 (86%) 298 (14)% 55583 372191 34125
6/20 7500 1739 (85%) 296 (15)% 54385 370553 34119
7/20 7300 1701 (86%) 295 (14)% 53212 368923 34113
8/20 7200 1664 (85%) 294 (15)% 52065 367300 34108
9/20 7000 1628 (86%) 293 (14)% 50942 365684 34102
10/20 6900 1593 (85%) 291 (15)% 49844 364075 34097
11/20 6800 1559 (84%) 290 (16)% 48769 362473 34091
12/20 6700 1525 (84%) 289 (16)% 47718 360878 34085
1/21 6500 1492 (84%) 287 (16)% 46689 359291 34080
2/21 6400 1460 (84%) 286 (16)% 45682 357710 34074
3/21 6300 1429 (83%) 285 (17)% 44697 356136 34069
4/21 6200 1398 (83%) 284 (17)% 43734 354569 34063
5/21 6000 1368 (84%) 282 (16)% 42791 353009 34057
6/21 5900 1338 (83%) 281 (17)% 41868 351456 34052
7/21 5800 1309 (83%) 280 (17)% 40965 349910 34046
8/21 5700 1281 (83%) 279 (17)% 40082 348370 34041
9/21 5600 1254 (82%) 277 (18)% 39218 346838 34035
10/21 5500 1226 (82%) 276 (18)% 38372 345312 34029
11/21 5400 1200 (82%) 275 (18)% 37545 343793 34024
12/21 5300 1174 (81%) 274 (19)% 36735 342280 34018
1/22 5200 1149 (81%) 273 (19)% 35943 340774 34013
2/22 5100 1124 (81%) 271 (19)% 35168 339275 34007
3/22 5000 1100 (81%) 270 (19)% 34410 337782 34001
4/22 4900 1076 (81%) 269 (19)% 33668 336296 33996
5/22 4800 1053 (81%) 268 (19)% 32942 334816 33990
6/22 4700 1030 (81%) 267 (19)% 32232 333343 33985
7/22 4700 1008 (79%) 265 (21)% 31537 331877 33979
8/22 4600 986 (79%) 264 (21)% 30857 330417 33973
9/22 4500 965 (79%) 263 (21)% 30191 328963 33968
10/22 4400 944 (79%) 262 (21)% 29540 327516 33962
11/22 4300 924 (79%) 261 (21)% 28904 326075 33957
12/22 4300 904 (77%) 260 (23)% 28280 324640 33951
1/23 4200 884 (77%) 258 (23)% 27671 323212 33945
2/23 4100 865 (78%) 257 (22)% 27074 321790 33940
3/23 4000 847 (78%) 256 (22)% 26490 320374 33934
4/23 4000 828 (76%) 255 (24)% 25919 318964 33929
5/23 3900 810 (76%) 254 (24)% 25360 317561 33923
6/23 3800 793 (77%) 253 (23)% 24813 316164 33918
7/23 3800 776 (75%) 252 (25)% 24278 314773 33912
8/23 3700 759 (75%) 251 (25)% 23755 313388 33906
9/23 3600 743 (76%) 250 (24)% 23243 312009 33901
10/23 3600 727 (74%) 248 (26)% 22742 310637 33895
11/23 3500 711 (75%) 247 (25)% 22251 309270 33890
12/23 3400 696 (75%) 246 (25)% 21771 307909 33884
1/24 3400 681 (74%) 245 (26)% 21302 306554 33878
2/24 3300 666 (74%) 244 (26)% 20843 305206 33873
3/24 3300 652 (73%) 243 (27)% 20393 303863 33867
4/24 3200 638 (73%) 242 (27)% 19954 302526 33862
5/24 3200 624 (72%) 241 (28)% 19523 301195 33856
6/24 3100 610 (72%) 240 (28)% 19102 299870 33851
7/24 3000 597 (73%) 239 (27)% 18690 298551 33845
8/24 3000 584 (72%) 238 (28)% 18287 297237 33839
9/24 2900 572 (72%) 237 (28)% 17893 295929 33834
10/24 2900 559 (71%) 236 (29)% 17507 294627 33828
11/24 2800 547 (72%) 235 (28)% 17130 293331 33823
12/24 2800 535 (70%) 234 (30)% 16760 292041 33817
1/25 2800 524 (69%) 232 (31)% 16399 290756 33812
2/25 2700 513 (70%) 231 (30)% 16046 289476 33806
3/25 2700 502 (68%) 230 (32)% 15700 288203 33801
4/25 2600 491 (69%) 229 (31)% 15361 286935 33795
5/25 2600 480 (68%) 228 (32)% 15030 285673 33789
6/25 2500 470 (69%) 227 (31)% 14706 284416 33784
7/25 2500 460 (68%) 226 (32)% 14389 283164 33778
8/25 2500 450 (66%) 225 (34)% 14078 281919 33773
9/25 2400 440 (67%) 224 (33)% 13775 280678 33767
10/25 2400 430 (66%) 223 (34)% 13478 279443 33762
11/25 2300 421 (67%) 222 (33)% 13187 278214 33756
12/25 2300 412 (66%) 221 (34)% 12903 276990 33750
1/26 2300 403 (64%) 220 (36)% 12625 275771 33745
2/26 2200 394 (66%) 219 (34)% 12352 274558 33739
3/26 2200 386 (64%) 219 (36)% 12086 273350 33734
4/26 2200 378 (63%) 218 (37)% 11826 272147 33728
5/26 2100 369 (65%) 217 (35)% 11571 270950 33723
6/26 2100 362 (63%) 216 (37)% 11321 269758 33717
7/26 2100 354 (62%) 215 (38)% 11077 268571 33712
8/26 2000 346 (64%) 214 (36)% 10838 267389 33706
9/26 2000 339 (62%) 213 (38)% 10604 266213 33701
10/26 2000 331 (61%) 212 (39)% 10376 265042 33695
11/26 1900 324 (63%) 211 (37)% 10152 263876 33689
12/26 1900 317 (61%) 210 (39)% 9933 262715 33684
1/27 1900 310 (60%) 209 (40)% 9719 261559 33678
2/27 1900 304 (59%) 208 (41)% 9509 260408 33673
3/27 1800 297 (61%) 207 (39)% 9304 259262 33667
4/27 1800 291 (59%) 206 (41)% 9104 258122 33662
5/27 1800 284 (58%) 205 (42)% 8907 256986 33656
6/27 1700 278 (60%) 205 (40)% 8715 255855 33651
7/27 1700 272 (59%) 204 (41)% 8527 254730 33645
8/27 1700 266 (57%) 203 (43)% 8344 253609 33640
9/27 1700 261 (56%) 202 (44)% 8164 252493 33634
10/27 1600 255 (58%) 201 (42)% 7988 251382 33629
11/27 1600 249 (57%) 200 (43)% 7815 250276 33623
12/27 1600 244 (56%) 199 (44)% 7647 249175 33617

![math]^{252}Cf[/math]