New Publication

New ATLAS group paper

January 12, 2023

Collider Physics Group

The paper “Search for a new scalar resonance in flavour-changing neutral-current top-quark decays 𝒕 → 𝒒𝑿 (𝒒 = 𝒖, 𝒄), with 𝑿 → 𝒃𝒃bar, in proton-proton collisions at sqrt(s) = 13 TeV with the ATLAS detector” has been submitted to JHEP.

The paper provides stringent limits of O(10e-4) on the production and decay of a scalar particle from 20 to 160 GeV in flavour-changing neutral current top quark decays. It is the first time this analysis is done in a collider experiment.

The main authors are from IFAE and are Adrian Salvador, Martine Bosman, Aurelio Juste, Lluïsa Mir, Nicola Orlando and Imma Riu.

Latest Group News

New Position

Aurelio Juste starts as Chair of the ATLAS Publication Committee

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On 1 March 2024, Aurelio Juste started as Chair of the Publications Committee (PubCom) for one year.

Prize

Qilimanjaro wins 4YFN Awards 2024

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The IFAE spin-off ​​Qilimanjaro Quantum Tech, was recognized at the Mobile World Congress Barcelona 2024 as the best digital start-up in the world.

Instrumentation

First Pre-production Modules for the ATLAS upgrades for the LH-LHC Assembled at IFAE

February 21, 2024

The first pre-production triplet module for the ATLAS upgrades for the LH-LHC has been assembled this week at IFAE. The IFAE ATLAS Pixels group is building modules for the innermost pixel layer of the tracking detector (ITk) and the new high granularity timing detector (HGTD).