Low Mass Dimuons Produced in Relativistic Nuclear Collisions
| dc.creator | Ruppert, Jorg | |
| dc.creator | Gale, Charles | |
| dc.creator | Renk, Thorsten | |
| dc.creator | Lichard, Peter | |
| dc.creator | Kapusta, Joseph I. | |
| dc.date | 2007-06-13 | |
| dc.date | 2007-10-10 | |
| dc.date.accessioned | 2026-07-07T11:41:16Z | |
| dc.date.available | 2026-07-07T11:41:16Z | |
| dc.description | The NA60 experiment has measured low-mass muon pair production in In-In collisions at 158 A GeV with unprecedented precision. We show that this data is reproduced very well by a dynamical model with parameters scaled from fits to measurements of hadronic transverse mass spectra and Hanbury-Brown and Twiss correlations in Pb-Pb and Pb-Au collisions at the same energy. The data is consistent with in-medium properties of $ρ$ and $ω$-mesons at finite temperature and density as deduced from empirical forward-scattering amplitudes. Inclusion of the vacuum decay of the $ρ$-meson after freeze-out is necessary for an understanding of the mass and transverse momentum spectrum of dimuons with $M \apprle 0.9 {\rm GeV}/c^2$. | |
| dc.description | 4 pages, 3 figures, updated hadronic analysis | |
| dc.identifier | https://arxiv.org/abs/0706.1934 | |
| dc.identifier | http://arxiv.org/abs/0706.1934 | |
| dc.identifier | Phys.Rev.Lett.100:162301,2008 | |
| dc.identifier | doi:10.1103/PhysRevLett.100.162301 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/200478 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Low Mass Dimuons Produced in Relativistic Nuclear Collisions | |
| dc.type | text |