{"paper":{"title":"Electron gas polarization effect induced by heavy H-like ions of moderate velocities channeled in a silicon crystal","license":"","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Br\\\"auning-Demian, A. Gumberidze, A. L'hoir, C. Cohen, C. Kozhuharov, C. Ray (IPNL), D. Dauvergne (IPNL), D. Liesen, F. Bosch, H. Br\\\"auning, J.-C. Poizat (IPNL), J.-P. Rozet, M. Chevallier (IPNL), M. Toulemonde, P.H. Mokler, P. Verma, R. Kirsch (IPNL), S. Hagmann, S. Toleikis, Th. St\\\"ohlker","submitted_at":"2005-09-13T11:34:53Z","abstract_excerpt":"We report on the observation of a strong perturbation of the electron gas induced by 20 MeV/u U$^{91+}$ ions and 13 MeV/u Pb$^{81+}$ ions channeled in silicon crystals. This collective response (wake effect) in-duces a shift of the continuum energy level by more than 100 eV, which is observed by means of Radiative Electron Capture into the K and L-shells of the projectiles. We also observe an increase of the REC probability by 20-50% relative to the probability in a non-perturbed electron gas. The energy shift is in agreement with calculations using the linear response theory, whereas the loca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0509094","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}