# Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP

3 CMS
IPNL - Institut de Physique Nucléaire de Lyon
Abstract : The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-}$ {\sl hadrons} is analysed using data collected by the L3 detector during the LEP runs at $\sqrt {s}$ = 130-140 GeV and $\sqrt {s}$ = 161 GeV. The cross sections $\sigma(\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-}$ {\sl hadrons}) and $\sigma (\gamma\gamma \rightarrow$ {\sl hadrons}) are measured in the interval 5 $\leq W_{\gamma\gamma} \leq$ 75 GeV. The energy dependence of the $\sigma (\gamma\gamma \rightarrow$ {\sl hadrons}) cross section is consistent with the universal Regge behaviour of total hadronic cross sections. %\end{abstract}
Document type :
Journal articles

Cited literature [23 references]

http://hal.in2p3.fr/in2p3-00000058
Contributor : Sylvie Flores <>
Submitted on : Monday, November 16, 1998 - 10:17:49 AM
Last modification on : Friday, November 16, 2018 - 11:18:03 AM
Long-term archiving on : Friday, May 29, 2015 - 2:57:09 PM

### Identifiers

• HAL Id : in2p3-00000058, version 1

### Citation

M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, et al.. Cross Section of Hadron Production in $\gamma \gamma$ collisions at LEP. Physics Letters B, Elsevier, 1997, 408, pp.450-464. ⟨in2p3-00000058⟩

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