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Content archived on 2024-06-18

Precision Parton Distributions for New Physics Discoveries at the Large Hadron Collider

Objective

"In the next few years very significant progress is expected in the understanding of fundamental interactions, due to information coming from experiments at the LHC collider at CERN. The LHC will pose an unprecedented challenge: to discover new physical phenomena using methods which have so far been used for precision studies of phenomena which are already known. This challenge requires a radical rethinking of the way one arrives at predictions for collider processes. There have been recent attempts at collecting all the available information on important LHC processes (such as Higgs, W or top production): these studies have invariably found that theoretical and phenomenological uncertainties had been previously underestimated, that the impact of QCD corrections is very significant, and that the dominant uncertainty comes from ignorance of the structure of the nucleon. The goal of this project is to provide such a rethinking, starting from the bottom up, i.e. starting from a new determination of the quark and gluon substructure of the nucleon, as encoded in parton distributions (PDFs). These new PDFs, the NNPDF sets, are obtained using a completely new approach, based on neural networks combined with a Monte Carlo technique. This approach will provide not only a theoretically and phenomenologically reliable and consistent set of PDFs, but also a flexible tool which can be used to assess the impact of various theoretical ingredients (such as higher order perturbative corrections and their resummation) and of the new experimental information obtained at the LHC. The corresponding studies will be the main result of this project: we will be able to determine the combined impact of the wealth of theoretical and experimental information which has been accumulating over the last several years, and to use it for the discovery of New Physics at the LHC."

Fields of science (EuroSciVoc)

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Topic(s)

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Call for proposal

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FP7-PEOPLE-2010-IEF
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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.

MC-IEF - Intra-European Fellowships (IEF)

Coordinator

ORGANISATION EUROPEENNE POUR LA RECHERCHE NUCLEAIRE
EU contribution
€ 178 328,80
Address
ESPLANADE DES PARTICULES 1 PARCELLE 11482 DE MEYRIN BATIMENT CADASTRAL 1046
1211 GENEVE 23
Switzerland

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Region
Schweiz/Suisse/Svizzera Région lémanique Genève
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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