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Towards loop splitting amplitudes and collinear factorisation breaking

Objective

The groundbreaking discovery of the Higgs boson at the Large Hadron Collider rang the bell for the beginning of a new era of particle physics. Naturally, the ever increasing precision data from experiments demand precise theory predictions for many observables to test the ultimate validity of the Standard Model (SM); any significant deviations from the SM predictions will hint for new physics. Quantum chromodynamics (QCD) being the most fascinating non-Abelian gauge theory provides a promising platform in achieving this goal through higher order perturbative computations in powers of the strong coupling. Process independent singular elements associated to QCD factorisation of scattering amplitudes in both soft and collinear limits, also known as splitting amplitudes, are the key elements in organising and automating these higher order calculations for the theory prediction of a general jet observable. So, the high relevance of these splitting amplitudes strongly motivates the researcher for an ambitious proposal on further improving their theoretical accuracy. In particular, through this proposal the researcher will investigate the soft-collinear splitting amplitudes required to predict a jet observable at next-to-next-to-next-to-leading order (N3LO). The researcher will also be exploring the intriguing concepts of collinear factorisation breaking and its effect on the prediction of an experimental measurable quantity. Upon successful, this project will contribute to the purpose of bringing down the theory uncertainties to 1\% level together with many new ideas and techniques which will assist the researcher to create an independent future career and contribute to tighten the grip on N3LO calculation tools.

Fields of science (EuroSciVoc)

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Keywords

Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)

Programme(s)

Multi-annual funding programmes that define the EU’s priorities for research and innovation.

Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 181 152,96
Address
CALLE SERRANO 117
28006 MADRID
Spain

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Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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