The DEAR experiment—first results on kaonic hydrogen
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Zmeskal, J.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Beer, G.
University of Victoria, Department of Physics and Astronomy, Canada
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Bragadireanu, A. M.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy - Institute of Physics and Nuclear Engineering “Horia Hulubei”, Bucharest, Romania
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Cargnelli, M.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Curceanu (Petrascu), C.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy - Institute of Physics and Nuclear Engineering “Horia Hulubei”, Bucharest, Romania
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Egger, J.-P.
University de Neuchatel, Institute de Physique, Switzerland
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Fuhrmann, H.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Guaraldo, C.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy
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Iliescu, M.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy - Institute of Physics and Nuclear Engineering “Horia Hulubei”, Bucharest, Romania
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Ishiwatari, T.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Itahashi, K.
Institute of Physical and Chemical Research (RIKEN), Wako, Saitama Japan
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Iwasaki, M.
Institute of Physical and Chemical Research (RIKEN), Wako, Saitama Japan
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Kienle, P.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Lauss, B.
University of California, Department of Physics, Berkeley, USA
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Lucherini, V.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy
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Ludhova, Livia
Université de Fribourg, Institute de Physique, Switzerland
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Marton, J.
Stefan Meyer Insitut fuer subatomare Physik, Austrian Academy of Sciences, Vienna, Austria
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Mulhauser, Françoise
Université de Fribourg, Institute de Physique, Switzerland
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Ponta, T.
Institute of Physics and Nuclear Engineering “Horia Hulubei”, Bucharest, Romania
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Schaller, Lukas A.
Université de Fribourg, Institute de Physique, Switzerland
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Seki, R.
W.K. Kellog Radiation Laboratory, California Institute of Technology, Pasadena, USA - Department of Physics and Astrophysics, California State University, Northridge, USA
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Sirghi, D.L.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy - Institute of Physics and Nuclear Engineering “Horia Hulubei”, Bucharest, Romania
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Sirghi, F.
INFN, Laboratori Nazionali di Frascati, Frascati, Italy
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Published in:
- Nuclear Physics A. - 2005, vol. 754, p. 369-374
English
The goal of the DEAR (DAΦNE exotic atom research) experiment is the precise determination of the isospin dependent antikaon–nucleon scattering lengths. The experiment accurately measures the Kα line shift and broadening, due to the strong interaction, in kaonic hydrogen and, for the first time, in kaonic deuterium. A precision measurement of kaonic hydrogen tests chiral symmetry breaking in systems with strangeness. An initial analysis of the DEAR experiment yields a shift ε1s=−195±45 eV and a width Γ1s=250±125 eV, which is more precise than the previous kaonic X-ray experiment KpX at KEK, and allows for the first time to disentangle the full pattern of the kaonic hydrogen K-series line Kα, Kβ and Kγ.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/299911
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