{"paper":{"title":"Medium modifications of Heavy Quarkonia masses in a generalized Linear Sigma Model","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Amruta Mishra, Arpita Mondal, Pallabi Parui","submitted_at":"2022-12-23T10:22:11Z","abstract_excerpt":"We study the mass shifts of the charmonium ($\\bar{c}c$) states ($J/\\psi$, $\\psi(2S)$, $\\psi(1D)$, $\\chi_{c0}$, $\\chi_{c1}$ and $\\chi_{c2}$) as well as the bottomonium ($\\bar{b}b$) states ($\\Upsilon(1S)$, $\\Upsilon(2S)$, $\\Upsilon_2(1D)$, $\\chi_{b0}$, $\\chi_{b1}$ and $\\chi_{b2}$) in isospin asymmetric nuclear matter. These are investigated using a generalized linear sigma model. The broken scale invariance of QCD is incorporated in the chiral $SU(2)\\times SU(2)$ Lagrangian through an effective potential involving logarithmic terms of a scalar (glueball) dilaton field $\\chi$. The mass shifts of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.12239","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.12239/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}