Virtual photon polarization and dilepton anisotropy in relativistic nucleus–nucleus collisions
- The polarization of virtual photons produced in relativistic nucleus–nucleus collisions provides information on the conditions in the emitting medium. In a hydrodynamic framework, the resulting angular anisotropy of the dilepton final state depends on the flow as well as on the transverse momentum and invariant mass of the photon. We illustrate these effects in dilepton production from quark–antiquark annihilation in the QGP phase and π+π− annihilation in the hadronic phase for a static medium in global equilibrium and for a longitudinally expanding system.
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| Author: | Enrico SperanzaORCiDGND, Amaresh JaiswalORCiD, Bengt FrimanORCiD |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-547834 |
| DOI: | https://doi.org/10.1016/j.physletb.2018.05.053 |
| ISSN: | 1873-2445 |
| ISSN: | 0370-2693 |
| Parent Title (English): | Physics Letters B |
| Publisher: | Elsevier |
| Place of publication: | Amsterdam [u.a.] |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2018/05/21 |
| Date of first Publication: | 2018/05/21 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2020/05/16 |
| Volume: | 782.2018 |
| Page Number: | 6 |
| First Page: | 395 |
| Last Page: | 400 |
| HeBIS-PPN: | 465586112 |
| Institutes: | Physik / Physik |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung 4.0 |
