First measurement of the rho spectral function in nuclear collisions
| dc.creator | Damjanovic, S. | |
| dc.date | 2005-10-13 | |
| dc.date.accessioned | 2026-07-07T06:48:15Z | |
| dc.date.available | 2026-07-07T06:48:15Z | |
| dc.description | The NA60 experiment has studied low-mass muon pairs in 158 AGeV Indium-Indium collisions at the CERN SPS. A strong excess of pairs is observed above the expectation from neutral meson decays. The unprecedented sample size of 360 000 events and the good mass resolution of about 2% allow to isolate the excess by subtraction of the known sources. The shape of the resulting mass spectrum is consistent with a dominant contribution from pi+ pi- -> rho -> mu+ mu- annihilation. The associated rho spectral function shows a strong broadening, but essentially no shift in mass. | |
| dc.description | 4 pages, 3 figures, Proceedings of Quark Matter 2005, Budapest | |
| dc.identifier | https://arxiv.org/abs/nucl-ex/0510044 | |
| dc.identifier | http://arxiv.org/abs/nucl-ex/0510044 | |
| dc.identifier | Nucl.Phys. A774 (2006) 715-718 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/103932 | |
| dc.subject | Nuclear Experiment | |
| dc.title | First measurement of the rho spectral function in nuclear collisions | |
| dc.type | text |