e+ --> CH4 Elastic Differential Cross Sections

  Distributed Positron Model DCS (Å2/sr)
Angle (degrees) 1 eV 2 eV 4 eV 6 eV
0.00000 0.56971809E+01 0.55773757E+01 0.52669257E+01 0.50134098E+01
1.00000 0.56837622E+01 0.55586722E+01 0.52414527E+01 0.49833394E+01
2.00000 0.56440401E+01 0.55033728E+01 0.51662717E+01 0.48947123E+01
3.00000 0.55795720E+01 0.54138389E+01 0.50449779E+01 0.47521205E+01
4.00000 0.54928127E+01 0.52937766E+01 0.48831833E+01 0.45627043E+01
5.00000 0.53869203E+01 0.51479245E+01 0.46880027E+01 0.43354631E+01
6.00000 0.52655171E+01 0.49816715E+01 0.44674358E+01 0.40804336E+01
7.00000 0.51324316E+01 0.48006526E+01 0.42297243E+01 0.38078448E+01
8.00000 0.49914472E+01 0.46103637E+01 0.39827578E+01 0.35273530E+01
9.00000 0.48460804E+01 0.44158329E+01 0.37335884E+01 0.32474350E+01
10.00000 0.46994057E+01 0.42213723E+01 0.34880899E+01 0.29749855E+01
11.00000 0.45539357E+01 0.40304234E+01 0.32507748E+01 0.27151294E+01
12.00000 0.44115596E+01 0.38454941E+01 0.30247583E+01 0.24712284E+01
13.00000 0.42735375E+01 0.36681785E+01 0.28118460E+01 0.22450434E+01
14.00000 0.41405414E+01 0.34992433E+01 0.26127111E+01 0.20369986E+01
15.00000 0.40127338E+01 0.33387617E+01 0.24271259E+01 0.18465014E+01
16.00000 0.38898712E+01 0.31862753E+01 0.22542161E+01 0.16722720E+01
17.00000 0.37714221E+01 0.30409676E+01 0.20927121E+01 0.15126506E+01
18.00000 0.36566871E+01 0.29018326E+01 0.19411767E+01 0.13658630E+01
19.00000 0.35449117E+01 0.27678264E+01 0.17981971E+01 0.12302284E+01
20.00000 0.34353841E+01 0.26379930E+01 0.16625309E+01 0.11043073E+01
21.00000 0.33275108E+01 0.25115568E+01 0.15332026E+01 0.98698690E+00
22.00000 0.32208664E+01 0.23879779E+01 0.14095508E+01 0.87750924E+00
23.00000 0.31152173E+01 0.22669721E+01 0.12912284E+01 0.77544856E+00
24.00000 0.30105186E+01 0.21484962E+01 0.11781636E+01 0.68065001E+00
25.00000 0.29068904E+01 0.20327083E+01 0.10704938E+01 0.59314327E+00
26.00000 0.28045776E+01 0.19199085E+01 0.96848258E+00 0.51304668E+00
27.00000 0.27039005E+01 0.18104718E+01 0.87243503E+00 0.44047665E+00
28.00000 0.26052033E+01 0.17047823E+01 0.78262242E+00 0.37547491E+00
29.00000 0.25088067E+01 0.16031756E+01 0.69922450E+00 0.31796123E+00
30.00000 0.24149702E+01 0.15058970E+01 0.62229470E+00 0.26771445E+00
31.00000 0.23238663E+01 0.14130760E+01 0.55174894E+00 0.22437956E+00
32.00000 0.22355686E+01 0.13247200E+01 0.48737500E+00 0.18749484E+00
33.00000 0.21500538E+01 0.12407232E+01 0.42885765E+00 0.15653086E+00
34.00000 0.20672145E+01 0.11608884E+01 0.37581299E+00 0.13093321E+00
35.00000 0.19868812E+01 0.10849567E+01 0.32782584E+00 0.11016148E+00
36.00000 0.19088487E+01 0.10126406E+01 0.28448473E+00 0.93719561E-01
37.00000 0.18329040E+01 0.94365589E+00 0.24541020E+00 0.81174306E-01
38.00000 0.17588519E+01 0.87774878E+00 0.21027396E+00 0.72161884E-01
39.00000 0.16865352E+01 0.81471538E+00 0.17880774E+00 0.66383026E-01
40.00000 0.16158485E+01 0.75441223E+00 0.15080226E+00 0.63589568E-01
41.00000 0.15467433E+01 0.69675740E+00 0.12609778E+00 0.63565609E-01
42.00000 0.14792255E+01 0.64172328E+00 0.10456899E+00 0.66107020E-01
43.00000 0.14133460E+01 0.58932296E+00 0.86107120E-01 0.71002947E-01
44.00000 0.13491870E+01 0.53959282E+00 0.70602679E-01 0.78022434E-01
45.00000 0.12868447E+01 0.49257415E+00 0.57931520E-01 0.86908276E-01
46.00000 0.12264126E+01 0.44829646E+00 0.47946292E-01 0.97378859E-01
47.00000 0.11679666E+01 0.40676468E+00 0.40474094E-01 0.10913728E+00
48.00000 0.11115539E+01 0.36795131E+00 0.35320032E-01 0.12188570E+00
49.00000 0.10571865E+01 0.33179410E+00 0.32275314E-01 0.13534204E+00
50.00000 0.10048396E+01 0.29819884E+00 0.31127909E-01 0.14925575E+00
51.00000 0.95445563E+00 0.26704606E+00 0.31673551E-01 0.16341987E+00
52.00000 0.90595076E+00 0.23820032E+00 0.33725109E-01 0.17767730E+00
53.00000 0.85922520E+00 0.21152049E+00 0.37118861E-01 0.19192053E+00
54.00000 0.81417382E+00 0.18686949E+00 0.41716922E-01 0.20608510E+00
55.00000 0.77069663E+00 0.16412224E+00 0.47405780E-01 0.22013824E+00
56.00000 0.72870760E+00 0.14317103E+00 0.54091515E-01 0.23406452E+00
57.00000 0.68814074E+00 0.12392777E+00 0.61692720E-01 0.24785091E+00
58.00000 0.64895299E+00 0.10632334E+00 0.70132440E-01 0.26147344E+00
59.00000 0.61112385E+00 0.90304273E-01 0.79330463E-01 0.27488719E+00
60.00000 0.57465204E+00 0.75827721E-01 0.89197269E-01 0.28802105E+00
61.00000 0.53954985E+00 0.62855616E-01 0.99630605E-01 0.30077778E+00
62.00000 0.50583629E+00 0.51349020E-01 0.11051525E+00 0.31303936E+00
63.00000 0.47352995E+00 0.41263575E-01 0.12172608E+00 0.32467662E+00
64.00000 0.44264260E+00 0.32546655E-01 0.13313383E+00 0.33556178E+00
65.00000 0.41317428E+00 0.25136493E-01 0.14461273E+00 0.34558193E+00
66.00000 0.38511046E+00 0.18963211E-01 0.15604857E+00 0.35465128E+00
67.00000 0.35842135E+00 0.13951330E-01 0.16734601E+00 0.36272037E+00
68.00000 0.33306338E+00 0.10023199E-01 0.17843364E+00 0.36978066E+00
69.00000 0.30898223E+00 0.71026273E-02 0.18926626E+00 0.37586403E+00
70.00000 0.28611712E+00 0.51181206E-02 0.19982370E+00 0.38103712E+00
71.00000 0.26440551E+00 0.40051949E-02 0.21010668E+00 0.38539156E+00
72.00000 0.24378755E+00 0.37074843E-02 0.22013018E+00 0.38903160E+00
73.00000 0.22420986E+00 0.41765546E-02 0.22991533E+00 0.39206082E+00
74.00000 0.20562805E+00 0.53705486E-02 0.23948119E+00 0.39456990E+00
75.00000 0.18800780E+00 0.72519661E-02 0.24883731E+00 0.39662694E+00
76.00000 0.17132457E+00 0.97849990E-02 0.25797830E+00 0.39827142E+00
77.00000 0.15556191E+00 0.12932905E-01 0.26688099E+00 0.39951257E+00
78.00000 0.14070894E+00 0.16655886E-01 0.27550454E+00 0.40033201E+00
79.00000 0.12675733E+00 0.20909846E-01 0.28379361E+00 0.40069026E+00
80.00000 0.11369825E+00 0.25646261E-01 0.29168387E+00 0.40053615E+00
81.00000 0.10151977E+00 0.30813192E-01 0.29910933E+00 0.39981769E+00
82.00000 0.90205018E-01 0.36357271E-01 0.30601025E+00 0.39849295E+00
83.00000 0.79731312E-01 0.42226312E-01 0.31234055E+00 0.39653941E+00
84.00000 0.70070232E-01 0.48372096E-01 0.31807364E+00 0.39396047E+00
85.00000 0.61188589E-01 0.54752829E-01 0.32320574E+00 0.39078826E+00
86.00000 0.53050012E-01 0.61334857E-01 0.32775627E+00 0.38708241E+00
87.00000 0.45616875E-01 0.68093320E-01 0.33176528E+00 0.38292505E+00
88.00000 0.38852252E-01 0.75011643E-01 0.33528816E+00 0.37841290E+00
89.00000 0.32721611E-01 0.82079907E-01 0.33838869E+00 0.37364760E+00
90.00000 0.27194029E-01 0.89292369E-01 0.34113107E+00 0.36872564E+00
91.00000 0.22242792E-01 0.96644477E-01 0.34357236E+00 0.36372933E+00
92.00000 0.17845344E-01 0.10412982E+00 0.34575607E+00 0.35871992E+00
93.00000 0.13982660E-01 0.11173746E+00 0.34770783E+00 0.35373354E+00
94.00000 0.10638175E-01 0.11945010E+00 0.34943359E+00 0.34878054E+00
95.00000 0.77964992E-02 0.12724319E+00 0.35092067E+00 0.34384803E+00
96.00000 0.54421356E-02 0.13508544E+00 0.35214118E+00 0.33890522E+00
97.00000 0.35584224E-02 0.14294035E+00 0.35305769E+00 0.33391076E+00
98.00000 0.21268696E-02 0.15076883E+00 0.35363003E+00 0.32882117E+00
99.00000 0.11269740E-02 0.15853245E+00 0.35382257E+00 0.32359916E+00
100.00000 0.53651451E-03 0.16619680E+00 0.35361074E+00 0.31822075E+00
101.00000 0.33223999E-03 0.17373458E+00 0.35298612E+00 0.31268029E+00
102.00000 0.49080202E-03 0.18112786E+00 0.35195923E+00 0.30699275E+00
103.00000 0.98974742E-03 0.18836917E+00 0.35055974E+00 0.30119303E+00
104.00000 0.18083880E-02 0.19546129E+00 0.34883407E+00 0.29533244E+00
105.00000 0.29283954E-02 0.20241563E+00 0.34684078E+00 0.28947303E+00
106.00000 0.43340213E-02 0.20924958E+00 0.34464438E+00 0.28368054E+00
107.00000 0.60119124E-02 0.21598306E+00 0.34230850E+00 0.27801701E+00
108.00000 0.79505528E-02 0.22263474E+00 0.33988925E+00 0.27253409E+00
109.00000 0.10139430E-01 0.22921860E+00 0.33742969E+00 0.26726784E+00
110.00000 0.12568063E-01 0.23574106E+00 0.33495616E+00 0.26223563E+00
111.00000 0.15225057E-01 0.24219926E+00 0.33247671E+00 0.25743545E+00
112.00000 0.18097349E-01 0.24858069E+00 0.32998199E+00 0.25284762E+00
113.00000 0.21169777E-01 0.25486411E+00 0.32744827E+00 0.24843857E+00
114.00000 0.24425076E-01 0.26102187E+00 0.32484234E+00 0.24416622E+00
115.00000 0.27844303E-01 0.26702315E+00 0.32212745E+00 0.23998619E+00
116.00000 0.31407668E-01 0.27283781E+00 0.31926967E+00 0.23585811E+00
117.00000 0.35095625E-01 0.27844022E+00 0.31624377E+00 0.23175121E+00
118.00000 0.38890067E-01 0.28381271E+00 0.31303777E+00 0.22764838E+00
119.00000 0.42775431E-01 0.28894792E+00 0.30965569E+00 0.22354833E+00
120.00000 0.46739512E-01 0.29384989E+00 0.30611807E+00 0.21946552E+00
121.00000 0.50773861E-01 0.29853367E+00 0.30246016E+00 0.21542789E+00
122.00000 0.54873666E-01 0.30302340E+00 0.29872818E+00 0.21147288E+00
123.00000 0.59037132E-01 0.30734924E+00 0.29497415E+00 0.20764219E+00
124.00000 0.63264420E-01 0.31154351E+00 0.29124992E+00 0.20397623E+00
125.00000 0.67556295E-01 0.31563647E+00 0.28760138E+00 0.20050877E+00
126.00000 0.71912672E-01 0.31965248E+00 0.28406342E+00 0.19726272E+00
127.00000 0.76331254E-01 0.32360686E+00 0.28065642E+00 0.19424731E+00
128.00000 0.80806477E-01 0.32750398E+00 0.27738455E+00 0.19145709E+00
129.00000 0.85328914E-01 0.33133682E+00 0.27423617E+00 0.18887276E+00
130.00000 0.89885251E-01 0.33508801E+00 0.27118618E+00 0.18646368E+00
131.00000 0.94458867E-01 0.33873233E+00 0.26820003E+00 0.18419170E+00
132.00000 0.99030959E-01 0.34224029E+00 0.26523894E+00 0.18201590E+00
133.00000 0.10358209E+00 0.34558235E+00 0.26226552E+00 0.17989762E+00
134.00000 0.10809394E+00 0.34873327E+00 0.25924925E+00 0.17780508E+00
135.00000 0.11255102E+00 0.35167594E+00 0.25617097E+00 0.17571712E+00
136.00000 0.11694213E+00 0.35440420E+00 0.25302579E+00 0.17362550E+00
137.00000 0.12126124E+00 0.35692425E+00 0.24982420E+00 0.17153539E+00
138.00000 0.12550782E+00 0.35925439E+00 0.24659091E+00 0.16946419E+00
139.00000 0.12968631E+00 0.36142322E+00 0.24336195E+00 0.16743862E+00
140.00000 0.13380502E+00 0.36346632E+00 0.24018019E+00 0.16549074E+00
141.00000 0.13787442E+00 0.36542210E+00 0.23709003E+00 0.16365332E+00
142.00000 0.14190514E+00 0.36732710E+00 0.23413183E+00 0.16195525E+00
143.00000 0.14590588E+00 0.36921159E+00 0.23133699E+00 0.16041758E+00
144.00000 0.14988156E+00 0.37109581E+00 0.22872409E+00 0.15905056E+00
145.00000 0.15383191E+00 0.37298756E+00 0.22629670E+00 0.15785216E+00
146.00000 0.15775074E+00 0.37488132E+00 0.22404304E+00 0.15680807E+00
147.00000 0.16162605E+00 0.37675906E+00 0.22193754E+00 0.15589313E+00
148.00000 0.16544088E+00 0.37859272E+00 0.21994412E+00 0.15507420E+00
149.00000 0.16917495E+00 0.38034807E+00 0.21802085E+00 0.15431392E+00
150.00000 0.17280680E+00 0.38198943E+00 0.21612537E+00 0.15357515E+00
151.00000 0.17631627E+00 0.38348478E+00 0.21422047E+00 0.15282539E+00
152.00000 0.17968686E+00 0.38481043E+00 0.21227905E+00 0.15204073E+00
153.00000 0.18290778E+00 0.38595479E+00 0.21028788E+00 0.15120874E+00
154.00000 0.18597526E+00 0.38692064E+00 0.20824961E+00 0.15032989E+00
155.00000 0.18889309E+00 0.38772551E+00 0.20618265E+00 0.14941733E+00
156.00000 0.19167204E+00 0.38840019E+00 0.20411913E+00 0.14849499E+00
157.00000 0.19432846E+00 0.38898544E+00 0.20210089E+00 0.14759426E+00
158.00000 0.19688205E+00 0.38952728E+00 0.20017438E+00 0.14674980E+00
159.00000 0.19935313E+00 0.39007156E+00 0.19838477E+00 0.14599495E+00
160.00000 0.20175972E+00 0.39065828E+00 0.19677024E+00 0.14535733E+00
161.00000 0.20411486E+00 0.39131662E+00 0.19535706E+00 0.14485518E+00
162.00000 0.20642442E+00 0.39206099E+00 0.19415599E+00 0.14449478E+00
163.00000 0.20868579E+00 0.39288892E+00 0.19316044E+00 0.14426921E+00
164.00000 0.21088753E+00 0.39378078E+00 0.19234664E+00 0.14415857E+00
165.00000 0.21301019E+00 0.39470169E+00 0.19167582E+00 0.14413168E+00
166.00000 0.21502811E+00 0.39560527E+00 0.19109819E+00 0.14414908E+00
167.00000 0.21691214E+00 0.39643897E+00 0.19055840E+00 0.14416720E+00
168.00000 0.21863292E+00 0.39715028E+00 0.19000186E+00 0.14414317E+00
169.00000 0.22016434E+00 0.39769325E+00 0.18938123E+00 0.14403989E+00
170.00000 0.22148674E+00 0.39803440E+00 0.18866230E+00 0.14383054E+00
171.00000 0.22258951E+00 0.39815737E+00 0.18782849E+00 0.14350213E+00
172.00000 0.22347266E+00 0.39806561E+00 0.18688337E+00 0.14305740E+00
173.00000 0.22414716E+00 0.39778281E+00 0.18585080E+00 0.14251478E+00
174.00000 0.22463397E+00 0.39735094E+00 0.18477271E+00 0.14190654E+00
175.00000 0.22496195E+00 0.39682611E+00 0.18370476E+00 0.14127516E+00
176.00000 0.22516472E+00 0.39627276E+00 0.18271039E+00 0.14066871E+00
177.00000 0.22527701E+00 0.39575683E+00 0.18185411E+00 0.14013557E+00
178.00000 0.22533082E+00 0.39533876E+00 0.18119461E+00 0.13971945E+00
179.00000 0.22535194E+00 0.39506698E+00 0.18077874E+00 0.13945497E+00
180.00000 0.22535705E+00 0.39497278E+00 0.18063665E+00 0.13936427E+00

To read more about the Distributed Positron Model (DPM) in nonlinear molecules (or to reference the work) please see the following:
 

  1. F.A. Gianturco, T.L. Gibson, P. Nichols, R.R. Lucchese, and T. Nishimura, "Modelling Dynamical Correlation Forces In Low-Energy Positron Scattering From Polyatomic Gases: A Comparison for CH4," Radiat. Phys. Chem. 68, 673-680 (2003). Link to paper. Preprint: [pdf] (217 KB).
  2. Robert R. Lucchese, F. A. Gianturco, P. Nichols, and Thomas L. Gibson, "A Test Calculation on SF6 of Model Potentials for Correlation and Polarization Effects in Positron Scattering from Molecules," Chapter 25 in New Directions in Antimatter Physics and Chemistry, edited by Clifford M. Surko and Franco A. Gianturco (Kluwer Academic, Dordrecht, 2001). Preprint: [gzipped ps] (494 KB); [zipped ps] (494 KB); [pdf] (700 KB).


This page designed and maintained by t.l. gibson
Page Last Modified August 30, 2004

<< Return to Gibson Homepage