Intermediate mass muon pair continuum and low mass resonances in Pb-Pb collisions at 158 A GeV/c, Presented by Enrico Scomparin from INFN/Torino

Scanned slides, JPEG format.

Introduction/Presentation (1)

Outline (2)

Layout of the experiment/target (3)

Kinematical window (4)

Dimuon mass distributions -- Opposite signs and signal (5)

Known Dimuon sources in the region of mass 1.5-6 GeV/c^2 (6)

c cbar resonances (7)

J/Psi and Psi' line shapes (8)

The Drell-Yan process (9)

Alpha in function of mass for Drell-Yan in the litterature (10)

Drell-Yan component : Generation, reconstruction and fit (11)

Fit to the high mass region including the resonances and the Drell-Yan (12)

The K factor for the Drell-Yan (13)

Charm production cross sections (14)

Open charm generation and cross section calculation in the case of Pb-Pb (15)

Phase space factor for open charm (16)

Charm component: generation, reconstruction and fit (17)

Fit to the mass distribution including the charm component (18)

Fit of mass distribution for several set-ups (19)

Ezdc distribution and the 4 equipopulated bins (20)

Fit to the mass distribution for the first Ezdc bin and the excess contribution (21)

Excess in function of Et (4 bins) for several set-ups (22)

Conclusion (23)

Slides in PS format.

Kinematical window (4)

Dimuon mass distributions -- Opposite signs and signal (5)

J/psi and Psi' line shapes (8)

Drell-Yan component: Generation, reconstruction and fit (11)

Fit to the high mass region including the resonances and the Drell-Yan (12)

Phase space factor for open charm (16)

Charm component: Generation, reconstruction and fit (17)

Fit to the mass distribution including the charm component (18)

The total fit to the high and intermediate mass region

Fit of mass distribution for several set-ups (19)

Fit to the mass distribution for the 4 Ezdc bins and the excess contribution (4 ps) (21)

Excess in function of Et (4 bins) for several set-ups (22)

Fit to excess

Et vs Ezdc