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修士論文 硬X線多層膜ミラーでの反射が偏光測定に与える影響の評価

修士論文 硬X線多層膜ミラーでの反射が偏光測定に与える影響の評価

修士論文 硬X線多層膜ミラーでの反射が偏光測定に与える影響の評価

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C.2 <br />

<br />

30 keVβ <br />

<br />

β <br />

<br />

C.2 <br />

30 keV 600 β <br />

<br />

0.8 ◦ <br />

4.3 0.8 ◦ 0.01% ∼0.2%<br />

β <br />

30 keV <br />

<br />

I assume no reflection<br />

at 0.8(deg.) incident angle.<br />

Ion Chamber<br />

Background<br />

30keV Beam<br />

rotation<br />

Mirror<br />

PMT<br />

NaI Scinti.<br />

Incident angle =0.8(deg.)<br />

PMT<br />

C.2: <br />

4 C.3 30 keV <br />

∼ 600 ch ≅ 67 keV <br />

β = 0 ◦ 150 ◦ β = 180 ◦ β = 330 ◦ <br />

β = 240 ◦ 270 ◦ β = 240 ◦ <br />

74

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