Abstract
A QCD analysis is reported of ATLAS data on inclusive and boson production in collisions at the LHC, jointly with deep-inelastic scattering data from HERA. The ATLAS data exhibit sensitivity to the light quark sea composition and magnitude at Bjorken . Specifically, the data support the hypothesis of a symmetric composition of the light quark sea at low . The ratio of the strange-to-down sea quark distributions is determined to be at absolute four-momentum transfer squared and .
- Received 19 March 2012
DOI:https://doi.org/10.1103/PhysRevLett.109.012001
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© 2012 CERN, for the ATLAS Collaboration