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    Physics of Ultra-Peripheral Nuclear Collisions

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    Moving highly-charged ions carry strong electromagnetic fields that act as a field of photons. In collisions at large impact parameters, hadronic interactions are not possible, and the ions interact through photon-ion and photon-photon collisions known as {\it ultra-peripheral collisions} (UPC). Hadron colliders like the Relativistic Heavy Ion Collider (RHIC), the Tevatron and the Large Hadron Collider (LHC) produce photonuclear and two-photon interactions at luminosities and energies beyond that accessible elsewhere; the LHC will reach a γp\gamma p energy ten times that of the Hadron-Electron Ring Accelerator (HERA). Reactions as diverse as the production of anti-hydrogen, photoproduction of the ρ0\rho^0, transmutation of lead into bismuth and excitation of collective nuclear resonances have already been studied. At the LHC, UPCs can study many types of `new physics.'Comment: 47 pages, to appear in Annual Review of Nuclear and Particle Scienc

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    Fernández Gómez, Juan F. Catálogo de entremeses y sainetes del siglo XVIII, 1425Vega García Luengos, Germán, Fernández Lera, Rosa, Rey Sayagués, Andrés del. Ediciones de teatro español en la Biblioteca de Menéndez Pelayo, 3138Precede al tít.: "185.

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    Saynete nuevo intìtulado El botero : tragedia burlesca en un acto

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