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Disentangling the K-complex of kaonic hydrogen with DEAR
Authors:C. Petrascu  S. Bianco  A.M. Bragadireanu  F.L. Fabbri  C. Guaraldo  M. Iliescu  T.M. Ito  V. Lucherini  M. Bregant  E. Milotti  A. Vacchi  E. Zavattini  M. Augsburger  D. Chatellard  P. Knowles  F. Mulhauser  L.A. Schaller  L. Schellenberg  H. Schneuwly  J.-P. Egger  D. Varidel  W.H. Breunlich  M. Cargnelli  B. Gartner  R. King  B. Lauss  J. Marton  J. Zmeskal  T. Ponta  S.N. Nakamura  T. Koike  R.S. Hayano  M. Hori  T. Ishikawa  T. Ishiwatari  M. Iwasaki  Y. Akaishi  G. Beer  A.C. Sanderson  R. Seki
Affiliation:(1) INFN - Laboratori Nazionali di Frascati, C.P. 13, Via E. Fermi 40, I-00044 Frascati, Italy;(2) Dip. di Fisica and INFN Sezione di Trieste, Univ. degli Studi di Trieste, Via A. Valerio 2, I-34127 Trieste, Italy;(3) Inst. de Physique, Bd. de Pérolles, Univ. de Fribourg, CH-1700 Fribourg, Switzerland;(4) Univ. de Neuchatel, Inst. de Physique, 1 rue A.-L. Breguet, CH-2000 Neuchatel, Switzerland;(5) Institute for Medium Energy Physics, Boltzmanngasse 3, A-1090 Vienna, Austria;(6) Dept. of High Energy Physics, Inst. of Physics and Nuclear Engineering “Horia Hulubei”, P.O. Box MG-6, R-76900 Magurele, Bucharest, Romania;(7) Inst. of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-01, Japan;(8) Dept. of Physics, Hokkaido Univ., N8W5 Kikta, Sapporo 060, Japan;(9) Dept. of Physics, Univ. of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113, Japan;(10) Tokyo Institute of Technology, 2-12-1 Ookayama Meguro, Tokyo 152, Japan;(11) High Energy Accelerator Research Organization, Tanashi Campus, KEK, 3-2-1 Midori, Tanashi, Tokyo 188, Japan;(12) Dept. of Physics and Astronomy, Univ. of Victoria, P.O. Box 3055, Victoria, BC, Canada, V8W 3P6;(13) W.K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, CA 91125, USA;(14) Department of Physics and Astrophysics, California State University, Northridge, CA 91330, USA
Abstract:The DEAR (DAΦNE Exotic Atom Research) experiment at the new φ-factory DAΦNE of Laboratori Nazionali di Frascati aims for a 1% measurement of the line shift of the K-complex due to strong interaction in kaonic hydrogen. This presentation is meant to prove that the high statistics and good resolution obtainable with DEAR will be able to disentangle the kaonic hydrogen K-complex lines (a cascade unconstrained fit), obtaining in this way constraints for what concerns the cascade parameters and, consequently, information regarding the physical processes involved in the kaonic hydrogen atomic cascade. This revised version was published online in August 2006 with corrections to the Cover Date.
Keywords:exotic atom  kaonic hydrogen
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