Bottomonium suppression and elliptic flow in an anisotropic quark-gluon plasma using the quantum trajectories method

[2512.13377] Bottomonium suppression and elliptic flow in an anisotropic quark-gluon plasma using the quantum trajectories method Skip to main content Search Submit Donate Log in High Energy Physics - Phenomenology arXiv:2512.13377 (hep-ph) [Submitted on 15 Dec 2025 ( v1 ), last revised 27 Aug 2026 (this version, v2)] Title: Bottomonium suppression and elliptic flow in an anisotropic quark-gluon plasma using the quantum trajectories method Authors: Ajaharul Islam View PDF HTML (experimental) Abstract: We study bottomonium dynamics in a momentum-space anisotropic quark-gluon plasma (QGP) using the quantum trajectories (QTraj) framework. The real part of the heavy-quark potential is obtained from a minimal extension of the Karsch-Mehr-Satz (KMS) potential, while the angle-averaged imaginary part is derived to leading order in the anisotropy parameter $\xi$ and modeled to interpolate smoothly between the small- and large -$\xi$ regimes. The resulting anisotropic complex potential is used to solve the real-time Schrödinger equation using QTraj for the evolution of bottomonium in heavy-ion collisions. Nuclear modification factors $R_{AA}$, double ratios, and elliptic flow coefficients $v_2$ for the $\Upsilon(1S)$, $\Upsilon(2S)$, and $\Upsilon(3S)$ states are computed, including feed-down contributions, in Pb-Pb collisions at $\sqrt{s_{NN}} = 5.02 \, \text{TeV}$. The QTraj-Aniso predictions successfully reproduce the observed sequential suppression pattern and non-zero elliptic flow, while for $R_{AA}$ and double ratios, the anisotropic implementation provides a modest but systematic improvement over the isotropic baseline, moving the predictions closer to experimental measurements from the ALICE, ATLAS, and CMS collaborations and further demonstrating the relevance of path-length dependent suppression and medium anisotropy in quarkonium phenomenology. Comments: 30 pages, 9 figures. Revised version includes comparison of isotropic and anisotropic predictions; discussion and conclusions updated accordingly Subjects: High Energy Physics - Phenomenology (hep-ph) Cite as: arXiv:2512.13377 [hep-ph] (or arXiv:2512.13377v2 [hep-ph] for this version) https://doi.org/10.48550/arXiv.2512.13377 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Ajaharul Islam [ view email ] [v1] Mon, 15 Dec 2025 14:30:13 UTC (501 KB) [v2] Thu, 27 Aug 2026 20:14:52 UTC (497 KB) Full-text links: Access Paper: View PDF HTML (experimental) TeX Source view license Current browse context: hep-ph < prev | next > new | recent | 2025-12 References & Citations INSPIRE HEP SciX Google Scholar Semantic Scholar export BibTeX citation Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer ( What is the Explorer? ) Connected Papers Toggle Connected Papers ( What is Connected Papers? ) Litmaps Toggle Litmaps ( What is Litmaps? ) scite.ai Toggle scite Smart Citations ( What are Smart Citations? ) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv ( What is alphaXiv? ) Links to Code Toggle CatalyzeX Code Finder for Papers ( What is CatalyzeX? ) DagsHub Toggle DagsHub ( What is DagsHub? ) GotitPub Toggle Gotit.pub ( What is GotitPub? ) Huggingface Toggle Hugging Face ( What is Huggingface? ) ScienceCast Toggle ScienceCast ( What is ScienceCast? ) Demos Demos Replicate Toggle Replicate ( What is Replicate? ) Spaces Toggle Hugging Face Spaces ( What is Spaces? ) Spaces Toggle TXYZ.AI ( What is TXYZ.AI? ) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower ( What are Influence Flowers? ) Core recommender toggle CORE Recommender ( What is CORE? ) IArxiv recommender toggle IArxiv Recommender ( What is IArxiv? ) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs . Which authors of this paper are endorsers? | Disable MathJax ( What is MathJax? ) We gratefully acknowledge support from our major funders , member institutions , and all contributors. About · Help · Contact · Subscribe · Copyright · Privacy · Accessibility · Operational Status (opens in new tab)

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