Theoretical Particle Physics Research
Lead Research Organisation:
University of Oxford
Department Name: Oxford Physics
Abstract
Our overall aim is to elucidate the nature of matter and its fundamental interactions via a variety of phenomenological and theoretical studies. Of crucial importance will be the new results coming from the Large Hadron Collider (LHC) at CERN. The proposed research will improve our ability to predict the effects of the strong interactions (QCD) on the processes that will be studied at the LHC and develop efficient methods to determine the properties of any new states of matter discovered there. Both analytical and numerical methods will be used to study the properties of hadrons, strongly interacting bound states of quarks. Our research will seek to determine what lies beyond the Standard Model of the strong, weak and electromagnetic interactions, with the ultimate goal of providing a fully unified theory, including gravity. The most promising candidate theories will be studied, including Grand and superstring unification and theories with additional space dimensions. Laboratory, astrophysical and cosmological implications will be analysed to determine the most sensitive experimental tests of these theories. We hope these studies will lead to a complete understanding of the origin of mass, including an understanding of the quark, charged lepton and neutrino masses, mixing angles and CP violation, as well as of the nature of dark matter. In addition to having direct relevance to the LHC program, our research will have relevance to present and future neutrino and astroparticle experiments and to astrophysical and cosmological studies. In particular a concerted effort will be made to understand the nature of the dark matter and optimise strategies for detecting both direct and indirect signals. The implications of particle physics models for early universe processed such as inflation will also be studied.
Organisations
Publications
Aartsen MG
(2013)
Measurement of atmospheric neutrino oscillations with IceCube.
in Physical review letters
Mertsch P
(2011)
Fermi gamma-ray "bubbles" from stochastic acceleration of electrons.
in Physical review letters
Abbasi R
(2011)
Measurement of the atmospheric neutrino energy spectrum from 100 GeV to 400 TeV with IceCube
in Physical Review D
Dreiner H
(2012)
Gravitino cosmology with a very light neutralino
in Physical Review D
Aartsen M
(2015)
Measurement of the Atmospheric ? e Spectrum with IceCube
in Physical Review D
Beringer J
(2012)
Review of Particle Physics
in Physical Review D
Abbasi R
(2013)
Lateral distribution of muons in IceCube cosmic ray events
in Physical Review D
Aartsen M
(2014)
Multimessenger search for sources of gravitational waves and high-energy neutrinos: Initial results for LIGO-Virgo and IceCube
in Physical Review D
Giasemidis G
(2012)
Dynamical dimensional reduction in toy models of 4D causal quantum gravity
in Physical Review D
Aartsen M
(2015)
Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data
in Physical Review D
Aartsen M
(2014)
Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration
in Physical Review D
Davison R
(2012)
Holographic zero sound at finite temperature
in Physical Review D
Haisch U
(2014)
Determining the structure of dark-matter couplings at the LHC
in Physical Review D
Abbasi R
(2013)
Search for relativistic magnetic monopoles with IceCube
in Physical Review D
Mertsch P
(2014)
AMS-02 data confront acceleration of cosmic ray secondaries in nearby sources
in Physical Review D
Abbasi R
(2011)
Constraints on the extremely-high energy cosmic neutrino flux with the IceCube 2008-2009 data
in Physical Review D
Aartsen M
(2013)
IceCube search for dark matter annihilation in nearby galaxies and galaxy clusters
in Physical Review D
Aartsen M
(2017)
Search for sterile neutrino mixing using three years of IceCube DeepCore data
in Physical Review D
Aartsen M
(2014)
Observation of the cosmic-ray shadow of the Moon with IceCube
in Physical Review D
Belyaev A
(2011)
Mixed dark matter from technicolor
in Physical Review D
Gauld R
(2014)
Minimal Z ' explanations of the B ? K * µ + µ - anomaly
in Physical Review D
Adrián-Martínez S
(2016)
High-energy neutrino follow-up search of gravitational wave event GW150914 with ANTARES and IceCube
in Physical Review D
Aartsen M
(2014)
Search for neutrino-induced particle showers with IceCube-40
in Physical Review D
Frandsen M
(2011)
Light asymmetric dark matter from new strong dynamics
in Physical Review D
Abbasi R
(2011)
Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector
in Physical Review D
Abbasi R
(2012)
Multiyear search for dark matter annihilations in the Sun with the AMANDA-II and IceCube detectors
in Physical Review D
Aartsen M
(2013)
Search for Galactic PeV gamma rays with the IceCube Neutrino Observatory
in Physical Review D
Aartsen M
(2013)
Measurement of the cosmic ray energy spectrum with IceTop-73
in Physical Review D
Aartsen M
(2016)
Search for astrophysical tau neutrinos in three years of IceCube data
in Physical Review D
Abbasi R
(2012)
Search for ultrahigh-energy tau neutrinos with IceCube
in Physical Review D
Abbasi R
(2011)
Search for dark matter from the Galactic halo with the IceCube Neutrino Telescope
in Physical Review D
Abreu P
(2011)
Search for ultrahigh energy neutrinos in highly inclined events at the Pierre Auger Observatory
in Physical Review D
Albert A
(2017)
Search for high-energy neutrinos from gravitational wave event GW151226 and candidate LVT151012 with ANTARES and IceCube
in Physical Review D
Nadathur S
(2011)
Reconciling the local void with the CMB
in Physical Review D
Aartsen M
(2013)
Probing the origin of cosmic rays with extremely high energy neutrinos using the IceCube Observatory
in Physical Review D
Abbasi R
(2011)
First search for atmospheric and extraterrestrial neutrino-induced cascades with the IceCube detector
in Physical Review D
Crivellin A
(2014)
Dark matter direct detection constraints from gauge bosons loops
in Physical Review D
Aartsen M
(2013)
Probing the origin of cosmic-rays with extremely high
energy neutrinos using the IceCube Observatory
in Phys.Rev.
Aartsen M
(2016)
Neutrino oscillation studies with IceCube-DeepCore
in Nuclear Physics B
Abreu P
(2011)
Advanced functionality for radio analysis in the Offline software framework of the Pierre Auger Observatory
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Abbasi R
(2013)
An improved method for measuring muon energy using the truncated mean of dE/dx
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Aartsen M
(2014)
Improvement in fast particle track reconstruction with robust statistics
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Mertsch P
(2012)
Second-order Fermi acceleration as the origin of the Fermi bubbles
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Aartsen M
(2013)
Measurement of South Pole ice transparency with the IceCube LED calibration system
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Abbasi R
(2013)
IceTop: The surface component of IceCube
in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
IceCube Collaboration
(2017)
Measurement of the multi-TeV neutrino interaction cross-section with IceCube using Earth absorption.
in Nature
IceCube Collaboration
(2012)
An absence of neutrinos associated with cosmic-ray acceleration in ?-ray bursts.
in Nature
Kahlhoefer F
(2015)
On the interpretation of dark matter self-interactions in Abell 3827
in Monthly Notices of the Royal Astronomical Society: Letters
Bonnivard V
(2015)
Dark matter annihilation and decay in dwarf spheroidal galaxies: the classical and ultrafaint dSphs
in Monthly Notices of the Royal Astronomical Society
Description | Our overall aim is to elucidate the nature of matter and its fundamental interactions via a variety of phenomenological and theoretical studies. It was anticipated in the proposal that new results coming from the Large Hadron Collider (LHC) at CERN would be of crucial importance and the proposed research was intended to improve our ability to predict the effects of the strong interactions (QCD) on the processes that will be studied at the LHC and develop efficient methods to determine the properties of any new states of matter discovered there. This expectation was more than adequately fulfilled with the discovery of the Higgs boson - responsible for giving mass to all known fundamental particles in the Standard Model of the strong, weak and electromagnetic interactions. Our research also seeks to determine what lies beyond the Standard Model, with the ultimate goal of providing a fully unified theory, including gravity. Experimental progress here has not been as dramatic, in fact the Standard Model has been amazingly successful at explaining all laboratory measurements. Nevertheless there must be new physics, if only to account for the observed universe with its asymmetry between matter and antimatter, preponderance of dark over luminous matter, and inhomogeneities which grow under gravity into the large-scale structure of galaxies, clusters and superclusters ... none of which can be explained in the framework of the Standard Model. We have continued to make progress in studying promising candidate theories, including unified theories and theories with additional space dimensions. |
Exploitation Route | Our work forms part of a collective effort by theoretical physicists all over the world - each generation builds on the work of those who came before. |
Sectors | Education |
URL | http://www2.physics.ox.ac.uk/research/particle-theory |
Description | An innovative website to explain `Why String Theory?' (http://whystringtheory.com/) has received over 100,000 unique visitors. |
Sector | Education |
Impact Types | Cultural |
Description | Consolidated grant |
Amount | £717,699 (GBP) |
Funding ID | ST/P000770/1 |
Organisation | Science and Technologies Facilities Council (STFC) |
Sector | Public |
Country | United Kingdom |
Start | 10/2017 |
End | 09/2020 |