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New level of theoretical precision for LHC Run 2 and beyond

Objective

LHC Run 2 will operate at significantly higher centre of mass energy and could offer an unprecedented insight into the largely unexplored region of TeV physics. The usefulness of this wealth of forthcoming high-quality data would, however, be strongly dependent on the availability of theoretical predictions with matching accuracy. The current state of the art for hadron collider calculations is NNLO and calculations for the most interesting 2-to-2 processes have already been performed. The utility of these theoretical results is, however, limited: they are either incomplete or have been applied to a limited number of observables. Moreover, their flexibility is limited which prevents their widespread use in experimental analyses. The goal of this proposal is to turn high-precision NNLO results into a LHC mainstream. We propose the following multi-prong approach, which addresses all main shortcoming of currently available 2-to-2 NNLO results: First, create a library of partonic events for the processes with top quarks and jets. A user-friendly interface will allow direct analysis by the user. Such a system would be novel, especially at NNLO, and once operational could be extended to any 2-to-2 NNLO process. Second, develop matching of NNLO calculations for processes with coloured partons to parton showers. This is an outstanding problem, which naturally fits the existing fixed order/shower expertise in the Cavendish. Its solution will unleash the potential of NNLO calculations and will make them truly useful for experimental analyses. Third, work on specific phenomenological analyses that make use, and promote, the precision results developed by the group. Last but not least, pursue novel techniques for computing 2-to-3 two-loop amplitudes, which is the bottleneck for advancing beyond the current frontier in LHC processes; use this to compute the 3 jet NNLO cross-section at the LHC. Such a result will be a first-ever and a great achievement for the LHC program.

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.

ERC-COG - Consolidator Grant

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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) ERC-2015-CoG

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Host institution

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE
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.

€ 1 713 983,00
Address
TRINITY LANE THE OLD SCHOOLS
CB2 1TN CAMBRIDGE
United Kingdom

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Region
East of England East Anglia Cambridgeshire CC
Activity type
Higher or Secondary Education Establishments
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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.

€ 1 713 983,00

Beneficiaries (1)

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