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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.22358 |
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| _version_ | 1866914221839613952 |
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| author | Karmakar, Bithika Zigic, Dusan Salom, Igor Auvinen, Jussi Huovinen, Pasi Djordjevic, Marko Djordjevic, Magdalena |
| author_facet | Karmakar, Bithika Zigic, Dusan Salom, Igor Auvinen, Jussi Huovinen, Pasi Djordjevic, Marko Djordjevic, Magdalena |
| contents | Understanding the temperature dependence of the specific shear viscosity $(η/s)$ is crucial for characterizing the properties of the QCD matter produced in ultrarelativistic heavy-ion collisions. Since, low-$p_\perp$ theory and data are only weakly sensitive to the typical forms of $η/s(T)$, especially at high temperatures, we use high-$p_\perp$ data and theory to impose additional constraints on it. Our approach, based on dynamical radiative and collisional energy loss of high-$p_\perp$ particles, provides promising results in constraining the temperature dependence of $η/s$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_22358 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Can high-$p_\perp$ theory and data constrain $η/s$? Karmakar, Bithika Zigic, Dusan Salom, Igor Auvinen, Jussi Huovinen, Pasi Djordjevic, Marko Djordjevic, Magdalena High Energy Physics - Phenomenology Understanding the temperature dependence of the specific shear viscosity $(η/s)$ is crucial for characterizing the properties of the QCD matter produced in ultrarelativistic heavy-ion collisions. Since, low-$p_\perp$ theory and data are only weakly sensitive to the typical forms of $η/s(T)$, especially at high temperatures, we use high-$p_\perp$ data and theory to impose additional constraints on it. Our approach, based on dynamical radiative and collisional energy loss of high-$p_\perp$ particles, provides promising results in constraining the temperature dependence of $η/s$. |
| title | Can high-$p_\perp$ theory and data constrain $η/s$? |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.22358 |