{"paper":{"title":"Formation time dependence of femtoscopic $\\pi \\pi$ correlations in p+p collisions at $\\sqrt{s_{NN}}$=7 TeV","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Gunnar Graef, Marcus Bleicher, Qingfeng Li","submitted_at":"2012-03-20T13:11:13Z","abstract_excerpt":"We investigate femtoscopic $\\pi \\pi$ correlations using the UrQMD approach combined with a correlation afterburner. The dependence of $\\pi \\pi$ correlations on the charged particle multiplicity and formation time in p+p collisions at $\\sqrt{s_{NN}}$= 7 TeV is explored and compared to present ALICE data. The data allows to constrain the formation time in the string fragmentation to $\\tau_f \\leq 0.8$ fm/c."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4421","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"}