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Toward the 2s-2p spectroscopy of the µp atom |
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| Authors: | Taqqu D Brunnhuber A Daniel H Hartmann F J Hauser P Kottmann F Maierl C Markushin V Mühlbauer M Petitjean C Schott W Wojciechowski P |
| Institution: | (1) Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland;(2) Physik-Departement, TU München, Germany;(3) Institut für Teilchenphysik, ETH Zürich, Switzerland;(4) Kurchatov Inst., Russian Research Center, Moscow, Russia |
| Abstract: | Very recent results relevant to the planning of laser spectroscopy of the 2s-2p splitting in the µp atom are presented. An experimental configuration providing a sufficiently small muon stopping volume at the lowest pressures has been tested. The first experimental indications for the existence of a long-lived 2s fraction at low pressure are discussed. |
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