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Diffusione Raman Anelastica Risonante di Raggi X con Risoluzione ...

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5» Simmetria SO2<br />

atomica sono:<br />

sum sum dσ∀ dΩk 00<br />

=<br />

1<br />

(k 0 ) 2<br />

¯<br />

¯A<br />

+ 1<br />

20<br />

+ 1<br />

·<br />

1<br />

4 20<br />

1 k0<br />

1 k 00<br />

¯ 2 1 1<br />

2π 3 √ ©£¡ 000 110<br />

2w + w<br />

5<br />

¢ + (5.34)<br />

¡ 2 − 3sin 2 ϑ 0 ¢¡ 2w 112 + 10w 202 +3w 312¢¸<br />

B 0 3 1<br />

2 2<br />

¡ 4 − 6sin 2 ϑ 0 − 6sin 2 ϑ 00 +9sin 2 ϑ 0 sin 2 ϑ 00 +<br />

−12sinϑ 0 cos ϑ 0 sin ϑ 00 cos ϑ 00 cos (ϕ 0 − ϕ 00 )+<br />

+3 sin 2 ϑ 0 sin 2 ϑ 00 cos 2 (ϕ 0 − ϕ 00 ) ¢¡ w 000 +2w 110¢ +<br />

+ ¡ 2 − 3sin2ϑ 00¢¡ 2w112 + w202¢ +<br />

− 1<br />

10 √ 7<br />

¡ −4+6sin 2 ϑ 0 +6sin 2 ϑ 00 − 9sin 2 ϑ 0 sin 2 ϑ 00 +<br />

−6sinϑ 0 cos ϑ 0 sin ϑ 00 cos ϑ 00 cos (ϕ 0 − ϕ 00 )+<br />

+3 sin 2 ϑ 0 sin 2 ϑ 00 cos 2 (ϕ 0 − ϕ 00 ) ¢¡ 7w 112 +5w 202 +3w 312¢ +<br />

¡ 2 0 2 00 2 0 2 00<br />

8 − 6sin ϑ − 12sin ϑ + 18sin ϑ sin ϑ +<br />

+ 9<br />

140<br />

−16sinϑ 0 cos ϑ 0 sin ϑ 00 cos ϑ 00 cos (ϕ 0 − ϕ 00 )+<br />

+sin 2 ϑ 0 sin 2 ϑ 00 cos2(ϕ 0 − ϕ 00 ) ¢¡ 2w 314 + w 404¢¤ B 2 3<br />

z ζ eT z ζ (1,bεx ) eT z ζ (1,bεy )<br />

√ √<br />

3<br />

3<br />

0 0 8π<br />

8π<br />

1 −1 0 0<br />

1 0 0 0<br />

1 1 0 0<br />

2 −2 − 3<br />

16π cos2 2 −1<br />

ϑe<br />

3<br />

8π sin ϑ cos ϑeiϕ 2 0<br />

q<br />

3 1<br />

2 8π<br />

0<br />

2 1 − 3<br />

8π sin ϑ cos ϑe−iϕ 0<br />

2iϕ 3<br />

16π e2iϕ<br />

¡ ¢ 2<br />

1 − 3sin ϑ q 3 1<br />

2 8π<br />

2 2 − 3<br />

16π cos2 −2iϕ 3<br />

ϑe 16π e−2iϕ<br />

Table 5.4. Tabella delle funzioni angolari e T z ζ (1,bε) per polarizzazioni lineari<br />

+<br />

1<br />

2 2<br />

o<br />

79

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