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High-Resolution Kaonic-Atom X-ray Spectroscopy with Transition-Edge-Sensor Microcalorimeters |
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| Authors: | S. Okada D. A. Bennett W. B. Doriese J. W. Fowler K. D. Irwin S. Ishimoto M. Sato D. R. Schmidt D. S. Swetz H. Tatsuno J. N. Ullom S. Yamada |
| Affiliation: | 1. RIKEN Nishina Center, RIKEN, Wako, 351-0198, Japan 2. National Institute of Standards and Technology, Boulder, CO, 80303, USA 3. High Energy Accelerator Research Organization, Ibaraki, 305-0801, Japan 4. Laboratori Nazionali di Frascati, INFN, 00044?, Frascati, Italy |
| Abstract: | We are preparing for an ultra-high resolution X-ray spectroscopy of kaonic atoms using an X-ray spectrometer based on an array of superconducting transition-edge-sensor microcalorimeters developed by NIST. The instrument has excellent energy resolutions of 2–3 eV (FWHM) at 6 keV and a large collecting area of about 20 mm (^2) . This will open new door to investigate kaon-nucleus strong interaction and provide new accurate charged-kaon mass value. |
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