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Uncovering New Phenomena at the TeV Scale With Top Quarks

Objective

Our understanding of the subatomic world and of the very fabric of the space-time is encompassed in a theory which is the result of all past experimental observations and theoretical developments: the Standard Model of Particle Physics. Yet cosmological observations and theoretical arguments lead us to conclude that new phenomenology,
new particles, forces, or a new space-time structure is waiting to be uncovered. Naturalness of the recently discovered Higgs boson suggests that new phenomena should appear at the tera-electronvolt (TeV) scale, and will be accompanied by modifications to the dynamics of the heaviest elementary particle known: the top quark.

The aim of this proposal is to perform five measurements involving top
quarks with the data that will be collected by the ATLAS experiment at the upcoming Run II (2015-18) of the Large Hadron Collider (LHC): the top quark mass, the CP violation in B hadron decays from the top, the top-Z boson couplings, the search for the top's Flavour Changing Neutral decays, and the search for heavy resonances decaying to top pairs. While measuring these properties is nothing new, the measurements are performed coherently using novel techniques beyond state-of-the-art to push the boundaries on the sensitivity of the limited Run II data, hence allowing the discovery of new phenomena at the LHC before 2020.

Host institution

UNIVERSITA DEGLI STUDI DI ROMA TOR VERGATA
Net EU contribution
€ 1 581 831,12
Address
Via Cracovia 50
00133 Roma
Italy

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Region
Centro (IT) Lazio Roma
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00

Beneficiaries (3)

UNIVERSITA DEGLI STUDI DI ROMA TOR VERGATA
Italy
Net EU contribution
€ 1 581 831,12
Address
Via Cracovia 50
00133 Roma

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Region
Centro (IT) Lazio Roma
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
QUEEN MARY UNIVERSITY OF LONDON
United Kingdom
Net EU contribution
€ 161 855,27
Address
327 Mile End Road
E1 4NS London

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Region
London Inner London — East Tower Hamlets
Activity type
Higher or Secondary Education Establishments
Non-EU contribution
€ 0,00
ISTITUTO NAZIONALE DI FISICA NUCLEARE
Italy
Net EU contribution
€ 228 154,61
Address
Via Enrico Fermi 54
00044 Frascati

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Region
Centro (IT) Lazio Roma
Activity type
Research Organisations
Non-EU contribution
€ 0,00