TY - JOUR AU - Aad, G. AU - Aguilar Saavedra, Juan Antonio AU - Atlas Collaboration PY - 2019 UR - http://hdl.handle.net/10481/61704 AB - This letter describes the observation of the light-by-light scattering process, γγ→γγ, in Pb+Pb collisions at sNN−−−√ = 5.02 TeV. The analysis is conducted using a data sample corresponding to an integrated luminosity of 1.73 nb−1, collected in... LA - eng PB - American Physical Society TI - Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector DO - 10.1103/PhysRevLett.123.052001 ER -