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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.24219 |
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| _version_ | 1866915988612579328 |
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| author | Stoecker, Horst Satarov, Leonid M. Vovchenko, Volodymyr |
| author_facet | Stoecker, Horst Satarov, Leonid M. Vovchenko, Volodymyr |
| contents | The STAR collaboration at RHIC and the ALICE collaboration at the LHC have reported dielectron spectra in the intermediate mass region, M = (1-3) GeV, which reveal a strikingly constant, energy-independent emission temperature $T_{IMR} \simeq 0.3~\textrm{GeV}$ over a broad range of collision energies, $\sqrt{s_{NN}} = 27 - 5020~\textrm{GeV}$. This unexpected ''thermostat'' behavior raises fundamental questions: why does the temperature remain constant despite increasing collision energy,and what mechanism governs this apparent universality? |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_24219 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Why are the dilepton temperatures at the relativistic heavy-ion colliders are constant, T ~ 0.3 GeV? Stoecker, Horst Satarov, Leonid M. Vovchenko, Volodymyr High Energy Physics - Phenomenology The STAR collaboration at RHIC and the ALICE collaboration at the LHC have reported dielectron spectra in the intermediate mass region, M = (1-3) GeV, which reveal a strikingly constant, energy-independent emission temperature $T_{IMR} \simeq 0.3~\textrm{GeV}$ over a broad range of collision energies, $\sqrt{s_{NN}} = 27 - 5020~\textrm{GeV}$. This unexpected ''thermostat'' behavior raises fundamental questions: why does the temperature remain constant despite increasing collision energy,and what mechanism governs this apparent universality? |
| title | Why are the dilepton temperatures at the relativistic heavy-ion colliders are constant, T ~ 0.3 GeV? |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2603.24219 |