Light-by-Light Scattering in a Photon-Photon Collider

T. Takahashi , G. An , Y. Chen , W. Chou , Y. Huang , W. Liu , W. Lu , J. Lv

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G. Pei S. Pei C. P. Shen B. Sun C. Zhang

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classification ✦ hep-ex hep-phphysics.ins-det

keywords light-by-lightscatteringcolliderphoton-photonsignificancestatisticalacceleratoravailable

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We studied the feasibility of observing light-by-light scattering in a photon-photon collider based on an existing accelerator complex and a commercially available laser system. We investigated the statistical significance of the signal over the QED backgrounds through a Monte Carlo simulation with a detector model. The study showed that light-by-light scattering can be observed with a statistical significance of 8 to 10 sigma in a year of operation, depending on the operating conditions.

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Light-by-Light Scattering in a Photon-Photon Collider

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