Search for New Physics in Di-Electron Events |
Mass Spectrum Plots : | |
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Di-Electron mass spectrum (5 GeV binning): central-central: GIF, EPS central-plug: GIF, EPS central-central + central-plug: GIF, EPS | |
Di-Electron mass spectrum (larger bins, otherwise the same): central-central: GIF, EPS central-plug: GIF, EPS central-central + central-plug: GIF, EPS | |
Signal Search: | |
P-value Plot :
GIF,
EPS This plot looks for an excess of the Standard Model predictions, with a lower p-value indicating a larger excess. No excess larger than that expected from background flucations alone is observed. | |
Limits : | |
spin-1 (Z'):
GIF,
EPS spin-2 (RS Graviton) : GIF, EPS | |
Combined limits with the di-photon channel : | |
cross-section limits
GIF,
EPS | |
k/Mpl vs mass limits
GIF,
EPS |
Z' Model | Z'_{SM} | Z'_{ETA} | Z'_{CHI} | Z'_{PSI} | Z'_{IOTA} |
Mass Limit (GeV/c^2) | 923 | 891 | 822 | 822 | 729 |
k/Mpl | 0.01 | 0.025 | 0.05 | 0.07 | 0.10 |
e+e- | 302 | 469 | 674 | 741 | 807 |
gamma gamma | 230 | 500 | 694 | 782 | 850 |
e+e- + gamma gamma | 267 | 580 | 761 | 820 | 889 |