CRYSTAL SPECTROMETER FOR MEASUREMENTS OF PIONIC X-RAYS.

被引:0
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作者
Beer, W. [1 ]
Bos, K. [1 ]
De Chambrier, G. [1 ]
Giovanetti, K.L. [1 ]
Goudsmit, P.F.A. [1 ]
Grigoryev, B.V. [1 ]
Jeckelmann, B. [1 ]
Knecht, L. [1 ]
Kondurova, L.N. [1 ]
Langhans, J. [1 ]
Leisi, H.J. [1 ]
Levchenko, P.M. [1 ]
Marushenko, V.I. [1 ]
Mezentsev, A.F. [1 ]
Obermeier, H. [1 ]
机构
[1] Eidgenoessiche Technische, Hochschule, Inst for Intermediate, Energy Physics, Villigen, Switz, Eidgenoessiche Technische Hochschule, Inst for Intermediate Energy Physics, Villigen, Switz
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X-RAYS; -; Measurements;
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摘要
A description is given of a bent-crystal spectrometer for pionic X-rays. The instrument is of the modified DuMond type and makes use of a combined pi -production-X-ray target. It is situated in a 20 mu A, 590 MeV proton beam at SIN. Combination of high mechanical precision and a laser interferometer system makes it possible to measure wavelength ratios with a precision of 1-2 parts per million.
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页码:365 / 380
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