Measurement of Z0-boson production at large rapidities in Pb–Pb collisions at √sNN = 5.02 TeV
ALICE Collaboration. (2018). Measurement of Z0-boson production at large rapidities in Pb–Pb collisions at √sNN = 5.02 TeV. Physics Letters B, 780, 372-383. https://doi.org/10.1016/j.physletb.2018.03.010
Published inPhysics Letters B
© 2018 The Author(s). Published by Elsevier B.V. This is an open access article distributed under the terms of the Creative Commons License.
The production of bosons at large rapidities in Pb–Pb collisions at is reported. candidates are reconstructed in the dimuon decay channel (), based on muons selected with pseudo-rapidity and . The invariant yield and the nuclear modification factor, , are presented as a function of rapidity and collision centrality. The value of for the 0–20% central Pb–Pb collisions is , exhibiting a deviation of 2.6σ from unity. The results are well-described by calculations that include nuclear modifications of the parton distribution functions, while the predictions using vacuum PDFs deviate from data by 2.3σ in the 0–90% centrality class and by 3σ in the 0–20% central collisions.
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Except where otherwise noted, this item's license is described as © 2018 The Author(s). Published by Elsevier B.V. This is an open access article distributed under the terms of the Creative Commons License.
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