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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
Charged-particle fragmentation functions for jets azimuthally balanced by a high-transversemomentum, prompt, isolated photon are measured in 25 pb−1 of pp and 0.49 nb−1 of Pb þ Pb collision data at 5.02 TeV per nucleon ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
A search for new particles decaying into a pair of top quarks is performed using proton-proton collision data recorded with the ATLAS detector at the Large Hadron Collider at a center-of-mass energy of √s=13 TeV corresponding ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
A search for heavy right-handed Majorana or Dirac neutrinos NR and heavy right-handed gauge bosons WR is performed in events with a pair of energetic electrons or muons, with the same or opposite electric charge, and two ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
A search for doubly charged scalar bosons decaying into W boson pairs is presented. It uses a data sample from proton–proton collisions corresponding to an integrated luminosity of 36.1 fb−1 collected by the ATLAS detector ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
A search for excited electrons produced in pp collisions at s√ = 13 TeV via a contact interaction qq¯→ee∗ is presented. The search uses 36.1 fb−1 of data collected in 2015 and 2016 by the ATLAS experiment at the Large ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
This paper describes a search for pairs of neutral, long-lived particles decaying in the ATLAS calorimeter. Long-lived particles occur in many extensions to the Standard Model and may elude searches for new promptly decaying ...