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Argon
Isobutane Results
Results from the Magboltz gas simulation for various gas
mixtures. Primarily version 5.1 was used, but some
more recent results using version 7.1 have been produced. The
results from version 5.1 and 7.1 are usually within a few
percentage points of each other.
Argon Isobutane (95/05)
Electric
Field
(V/cm) |
Drift
Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm0.5) |
Longitudinal
Diffusion
(μm/cm0.5) |
B=0 (T) |
B=1 (T) |
B=2 (T) |
25 |
8.487 |
562.026 |
172.653 |
91.134 |
679.294 |
50 |
19.52 |
500.979 |
129.929 |
67.944 |
579.011 |
75 |
28.2 |
489.334 |
126.37 |
66.477 |
456.088 |
100 |
33.85 |
483.811 |
133.978 |
71.26 |
399.675 |
125 |
|
|
|
|
|
150 |
39.54 |
475.793 |
157.362 |
88.37 |
323.996 |
175 |
|
|
|
|
|
200 |
41.48 |
470.547 |
182.689 |
107.861 |
294.878 |
225 |
|
|
|
|
|
250 |
41.71 |
467.715 |
207.34 |
128.299 |
276.800 |
275 |
|
|
|
|
|
300 |
41.07 |
466.904 |
230.74 |
148.933 |
257.569 |
325 |
|
|
|
|
|
350 |
40.09 |
467.244 |
252.507 |
169.19 |
243.523 |
Argon Isobutane (90/10)
Electric
Field
(V/cm) |
Drift
Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm0.5) |
Longitudinal
Diffusion
(μm/cm0.5) |
B=0 (T) |
B=1 (T) |
B=2 (T) |
25 |
5.025 |
513.720 |
237.915 |
131.949 |
576.673 |
50 |
11.51 |
413.947 |
172.929 |
94.734 |
473.093 |
75 |
18.45 |
382.663 |
148.697 |
80.859 |
438.259 |
100 |
24.67 |
370.589 |
140.458 |
76.422 |
379.033 |
125 |
29.78 |
364.603 |
|
|
346.482 |
150 |
33.78 |
360.705 |
141.763 |
78.775 |
320.244 |
175 |
36.90 |
357.735 |
|
|
294.026 |
200 |
39.34 |
355.063 |
150.573 |
86.451 |
279.858 |
225 |
41.23 |
352.898 |
|
|
261.938 |
250 |
42.70 |
351.102 |
161.192 |
95.81 |
250.243 |
275 |
43.86 |
349.322 |
|
|
243.606 |
300 |
44.74 |
347.919 |
172.151 |
105.829 |
234.023 |
325 |
45.42 |
346.647 |
|
|
229.639 |
350 |
45.91 |
345.638 |
182.977 |
116.105 |
222.253 |
ArCO2 (90/10)
Electric
Field
(V/cm) |
Drift Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm0.5) |
Longitudinal
Diffusion
(μm/cm0.5) |
Magboltz
Version |
138 |
8.74 |
230.222 |
|
5.1 |
140 |
8.868 |
229.464 |
|
5.1 |
200 |
13.63 |
217.444 |
252.325 |
5.1 |
300 |
22.75 |
223.362 |
|
7.1 |
300 |
23.18 |
222.253 |
263.505 |
5.1 |
300 |
23.2 |
222.31 |
|
5.1 |
300 |
23.18 |
222.253 |
263.505 |
5.1 |
400 |
33.34 |
240.491 |
256.7 |
5.1 |
500 |
41.73 |
264.314 |
233.785 |
5.1 |
600 |
46.88 |
289.058 |
207.149 |
5.1 |
700 |
49.14 |
312.445 |
185.34 |
5.1 |
800 |
49.50 |
332.589 |
173.201 |
5.1 |
900 |
49.01 |
348.84 |
180.668 |
5.1 |
1000 |
48.24 |
361.431 |
176.209 |
5.1 |
1400 |
46.37 |
384.525 |
202.02 |
5.1 |
1800 |
46.67 |
385.889 |
210.639 |
5.1 |
2000 |
47.38 |
382.554 |
201.8 |
5.1 |
2500 |
49.33 |
372.564 |
199.222 |
5.1 |
2700 |
50.1 |
368.287 |
|
5.1 |
2700 |
49.98 |
368.771 |
|
5.1 |
3000 |
51.05 |
362.541 |
191.322 |
5.1 |
3300 |
51.89 |
356.987 |
184.677 |
5.1 |
3300 |
51.89 |
356.987 |
184.677 |
5.1 |
3300 |
51.91 |
356.911 |
|
5.1 |
3500 |
52.41 |
353.368 |
181.581 |
5.1 |
4000 |
53.41 |
345.203 |
180.021 |
5.1 |
ArCO2 (80/20)
Electric
Field
(V/cm) |
Drift Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm2) |
Longitudinal
Diffusion
(μm/cm2) |
Magboltz
Version |
300 |
10.28 |
161.264 |
178.391 |
5.1 |
375 |
13.39 |
156.388 |
181.163 |
5.1 |
1000 |
47.31 |
215.085 |
194.471 |
5.1 |
3300 |
63.56 |
297.467 |
159.302 |
7.1 |
3300 |
63.82 |
299.541 |
169.978 |
5.1 |
3950 |
66.21 |
293.801 |
163.644 |
5.1 |
3950 |
65.69 |
292.55 |
157.653 |
7.1 |
XeCF4 (97/3)
Electric
Field
(V/cm) |
Drift Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm2) |
Longitudinal
Diffusion
(μm/cm2) |
Magboltz
Version |
100 |
1.62 |
244.752 |
262.317 |
5.1 |
150 |
2.56 |
212.954 |
238.728 |
5.1 |
200 |
3.71 |
190.75 |
237.214 |
5.1 |
250 |
5.07 |
191.165 |
262.629 |
5.1 |
300 |
6.94 |
211.846 |
311.992 |
5.1 |
350 |
9.52 |
247.031 |
360.407 |
5.1 |
450 |
16.50 |
312.028 |
405.436 |
5.1 |
500 |
20.36 |
330.807 |
403.927 |
5.1 |
550 |
24.16 |
362.408 |
367.192 |
5.1 |
600 |
27.14 |
374.285 |
324.817 |
5.1 |
650 |
29.44 |
383.616 |
291.049 |
5.1 |
700 |
30.98 |
406.74 |
251.633 |
5.1 |
750 |
31.80 |
414.746 |
224.581 |
5.1 |
800 |
31.97 |
432.799 |
202.647 |
5.1 |
850 |
31.80 |
442.863 |
185.948 |
5.1 |
950 |
30.71 |
458.301 |
149.181 |
5.1 |
1000 |
29.93 |
467.977 |
146.692 |
5.1 |
XeCH4 (95/5)
Electric
Field
(V/cm) |
Drift Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm2) |
Longitudinal
Diffusion
(μm/cm2) |
Magboltz
Version |
50 |
0.9447 |
387.312 |
470.767 |
5.1 |
100 |
2.779 |
398.2 |
572.697 |
5.1 |
150 |
6.799 |
515.074 |
685.855 |
5.1 |
200 |
11.53 |
594.415 |
629.8 |
5.1 |
250 |
15.23 |
645.779 |
516.287 |
5.1 |
350 |
17.57 |
705.317 |
338.008 |
5.1 |
400 |
17.43 |
723.618 |
303.124 |
5.1 |
450 |
16.92 |
735.8 |
275.892 |
5.1 |
500 |
16.22 |
747.248 |
253.176 |
5.1 |
550 |
15.57 |
754.396 |
239.826 |
5.1 |
500 |
14.41 |
761.304 |
218.894 |
5.1 |
450 |
13.87 |
764.661 |
215.824 |
5.1 |
400 |
13.37 |
764.11 |
205.299 |
5.1 |
350 |
12.92 |
766.468 |
197.598 |
5.1 |
300 |
12.55 |
765.677 |
207.368 |
5.1 |
250 |
12.2 |
763.297 |
199.282 |
5.1 |
200 |
11.89 |
762.335 |
197.51 |
5.1 |
1000 |
11.64 |
758.619 |
195.136 |
5.1 |
XeH (98/2)
Electric
Field
(V/cm) |
Drift Velocity
(μm/ns) |
Transverse
Diffusion
(μm/cm2) |
Longitudinal
Diffusion
(μm/cm2) |
Magboltz
Version |
50 |
3.78 |
1005.022 |
1519.477 |
5.1 |
100 |
7.96 |
1080.065 |
733.881 |
5.1 |
150 |
8.58 |
1071.217 |
523.217 |
5.1 |
200 |
8.63 |
1052.631 |
454.139 |
5.1 |
250 |
8.58 |
1034.77 |
391.581 |
5.1 |
300 |
8.46 |
1019.71 |
378.634 |
5.1 |
350 |
8.44 |
998.223 |
344.046 |
5.1 |
400 |
8.36 |
982.527 |
340.387 |
5.1 |
450 |
8.27 |
967.404 |
317.74 |
5.1 |
500 |
8.33 |
945.07 |
307.638 |
5.1 |
550 |
8.24 |
934.612 |
313.471 |
5.1 |
600 |
8.18 |
919.761 |
275.658 |
5.1 |
650 |
8.10 |
909.684 |
290.229 |
5.1 |
700 |
8.13 |
891.893 |
281.488 |
5.1 |
750 |
8.00 |
887.671 |
264.191 |
5.1 |
800 |
7.93 |
877.032 |
267.314 |
5.1 |
950 |
7.89 |
846.09 |
247.006 |
5.1 |
1000 |
7.83 |
834.986 |
248.942 |
5.1 |
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