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SPEAR SIGNED

Standard model Precision Electroweak tests at Acute Rapidities

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 SPEAR project word cloud

Explore the words cloud of the SPEAR project. It provides you a very rough idea of what is the project "SPEAR" about.

accepted    laboratory    measured    detector    complete    nuclear    anomaly    delicate    spear    running    predicted    lepton    generation    measuring    ideas    small    beauty    structure    puzzle    precision    effect    failed    gauge    weak    coupling    experimental    hadron    violation    dataset    positron    intensify    fixed    upgrade    conclusive    angle    nature    constant    leptons    qualitatively    electromagnetic    theory    tests    universality    mixing    width    collider    generations    data    experiment    partial    stage    strengths    model    sm    inconclusive    physics    lhcb    intriguing    first    spectrometer    time    electron    notable    predictable    precise    potentially    demand    boson    suggest    fermi    exposing    matches    standard    timed    period    full    mass    fundamental    governed    perturbed    resolving    approximation    confronted    deviation    fine    tackle    determinations    predictions    colliders    easily    scientific    precisely    subsequently    bosons    forces    goals    decay   

Project "SPEAR" data sheet

The following table provides information about the project.

Coordinator
THE UNIVERSITY OF WARWICK 

Organization address
address: Kirby Corner Road - University House
city: COVENTRY
postcode: CV4 8UW
website: www.warwick.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 1˙875˙781 €
 EC max contribution 1˙875˙781 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-COG
 Funding Scheme ERC-COG
 Starting year 2020
 Duration (year-month-day) from 2020-06-01   to  2025-05-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE UNIVERSITY OF WARWICK UK (COVENTRY) coordinator 1˙875˙781.00

Map

 Project objective

The Standard Model (SM) is widely accepted to be an approximation of a more complete theory of nature, but laboratory tests have failed to identify a conclusive deviation from its precise predictions. In the SM two of the four fundamental forces of nature, namely the electromagnetic and weak nuclear forces, are governed by three fundamental parameters. These parameters are precisely fixed by experimental determinations of the Z boson mass, the fine structure constant, and the Fermi constant. Other parameters are subsequently predictable and can therefore be confronted with experimental data, potentially exposing physics effects beyond the SM. Of notable importance are the W boson mass and the weak-mixing angle since these two parameters are not yet measured as precisely as they are predicted. A delicate feature of the SM, which could easily be perturbed by new physics, is the universality between the coupling strengths of the three known lepton generations to the gauge bosons. There is an intriguing set of beauty hadron measurements which suggest a violation of lepton universality, with a particularly large effect in the third generation. While inconclusive at this stage these results intensify the demand for a test of a potentially related anomaly in the partial decay width of the W boson to third generation leptons. Qualitatively new ideas are needed to tackle these scientific problems. LHCb is the first experiment of its kind, as a small-angle spectrometer detector at a hadron collider, and the SPEAR project is well timed to analyse existing data from LHCb and the full dataset from the first running period with the LHCb upgrade. The SPEAR project sets ambitious goals of (i) measuring the W mass for the first time with a small-angle spectrometer (ii), making the first weak mixing angle determination at a hadron collider that matches the precision of electron-positron colliders, and (iii) resolving the long-standing W boson lepton universality puzzle.

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The information about "SPEAR" are provided by the European Opendata Portal: CORDIS opendata.

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