Crystal spectroscopy and exotic atoms

被引:0
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作者
Indelicato, P [1 ]
Simons, LM [1 ]
机构
[1] Ecole Normale Super, CNRS, Unite Mixte Rech C8552, Lab Kastler Brossel, F-75252 Paris, France
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O59 [应用物理学];
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摘要
Recent developments in crystal spectroscopy of X-rays emitted from exotic atoms concentrated on the measurement of the ground state level shift and width in pionic hydrogen. An increase of the pion beam intensity together with a sophisticated stopping technique combined with newly developed reflection spectrometers as well as with large area focal CCD detectors resulted in a gain of luminosity of three orders of magnitude. The potential of these achievements for an improved measurement of the vacuum polarization contribution in exotic atoms is discussed.
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页码:269 / 276
页数:8
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