Experimental Particle Physics Rolling Grant 2009-2014
Lead Research Organisation:
Lancaster University
Department Name: Physics
Abstract
This research is aimed at understanding the properties of the basic building blocks of the Universe (the elementary particles) and the nature of the fundamental forces which govern the interactions of these particles. In so doing, deep insights will be gained about the origin and evolution of the Universe, especially in the first moments after the Big Bang. The Lancaster research programme covers all the main types of accelerator facilities and is based on hadron collider physics with the Tevatron (Fermilab) and LHC (CERN) machines, and the observation of long baseline neutrino oscillations in Japan. All of this work will be underpinned by Lancaster's expertise in characterising and understanding the properties of heavily irradiated silicon particle detectors, in operating high performance computing facilities on the Grid and in writing offline event reconstruction software. The hadron collider physics is expected to reveal detailed properties of B hadrons (containing heavy b-quarks) including the mixing of neutral B mesons containing strange quarks, and CP violation which is related to the existence of the matter-antimatter asymmetry in the Universe. Searches for new physics at the LHC will focus on understanding the origin of mass (and the role of the Higgs boson), the existence of new symmetries of nature (e.g. supersymmetry) and extra spatial dimensions. The neutrino oscillations programme is expected to provide important information about the masses of and the amount of mixing amongst the three known species of neutrinos. If the appearance of electron neutrinos can be observed in a muon neutrino beam then it may be possible, in a further phase of the research, to establish the existence of CP violation in the neutrino sector of the Standard Model. This could have wide reaching implications for the understanding of the matter-antimatter asymmetry of the Universe. The development of new particle accelerator technology for high energy particle physics and a broad range of alternaive applications is the mission of the Cockcroft Institute. The Lancaster group were co-founders of the Institute and remain commited to supporting its evolution.
Organisations
Publications
Abazov V
(2011)
Determination of the pole and MS ¯ masses of the top quark from the t t ¯ cross section
in Physics Letters B
Aad G
(2010)
Charged-particle multiplicities in pp interactions at s = 900 GeV measured with the ATLAS detector at the LHC
in Physics Letters B
Aad G
(2013)
A search for prompt lepton-jets in pp collisions at s = 7 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2009)
Search for squark production in events with jets, hadronically decaying tau leptons and missing transverse energy at s = 1.96 TeV
in Physics Letters B
Aad G
(2013)
A search for high-mass resonances decaying to t + t - in pp collisions at s = 7 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2013)
Measurement of the combined rapidity and p T dependence of dijet azimuthal decorrelations in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2012)
Search for Higgs bosons of the minimal supersymmetric standard model in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2010)
Dependence of the t t ¯ production cross section on the transverse momentum of the top quark
in Physics Letters B
Aad G
(2013)
Evidence for the spin-0 nature of the Higgs boson using ATLAS data
in Physics Letters B
Abazov V
(2012)
Search for the standard model Higgs boson in the Z H ? ? ? ¯ b b ¯ channel in 9.5 fb-1 of p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2011)
Measurement of spin correlation in t t ¯ production using dilepton final states
in Physics Letters B
Abazov V
(2011)
Search for WH associated production in 5.3 fb-1 of p p ¯ collisions at the Fermilab Tevatron
in Physics Letters B
Abazov V
(2009)
Search for the lightest scalar top quark in events with two leptons in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Aad G
(2013)
Search for a heavy narrow resonance decaying to eµ, et, or µt with the ATLAS detector in s = 7 TeV pp collisions at the LHC
in Physics Letters B
Abazov V
(2013)
Measurement of the ratio of three-jet to two-jet cross sections in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2013)
Measurement of the p p ¯ ? W + b + X production cross section at s = 1.96 TeV
in Physics Letters B
Abazov V
(2010)
Measurement of Z / ? * + jet + X angular distributions in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Aad G
(2014)
Search for the Standard Model Higgs boson decay to µ + µ - with the ATLAS detector
in Physics Letters B
Abazov V
(2009)
Measurement of the t t ¯ production cross section and top quark mass extraction using dilepton events in p p ¯ collisions
in Physics Letters B
Abazov V
(2010)
Measurement of direct photon pair production cross sections in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2009)
Measurements of differential cross sections of Z / ? * + jets + X events in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2009)
Measurement of s ( p p ¯ ? Z + X ) Br ( Z ? t + t - ) at s = 1.96 TeV
in Physics Letters B
Abazov V
(2012)
Measurement of the photon + b -jet production differential cross section in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Aad G
(2013)
Measurement of the high-mass Drell-Yan differential cross-section in pp collisions at s = 7 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2011)
Search for neutral Higgs bosons in the multi-b-jet topology in 5.2 fb - 1 of p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2012)
Search for pair production of the scalar top quark in muon+tau final states
in Physics Letters B
Aad G
(2014)
Search for Higgs boson decays to a photon and a Z boson in pp collisions at s = 7 and 8 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2011)
Search for flavor changing neutral currents in decays of top quarks
in Physics Letters B
Aad G
(2011)
Measurement of the ? ( 1 S ) production cross-section in pp collisions at s = 7 TeV in ATLAS
in Physics Letters B
Aad G
(2013)
Measurement with the ATLAS detector of multi-particle azimuthal correlations in p + Pb collisions at s NN = 5.02 TeV
in Physics Letters B
Abazov V
(2012)
Measurement of angular correlations of jets at s = 1.96 TeV and determination of the strong coupling at high momentum transfers
in Physics Letters B
Aad G
(2011)
Search for the Standard Model Higgs boson in the two photon decay channel with the ATLAS detector at the LHC
in Physics Letters B
Aad G
(2011)
Search for quark contact interactions in dijet angular distributions in pp collisions at s = 7 TeV measured with the ATLAS detector
in Physics Letters B
Abazov V
(2010)
Search for single top quarks in the tau + jets channel using 4.8 fb-1 of p p ¯ collision data
in Physics Letters B
Aad G
(2014)
Search for new resonances in W? and Z? final states in pp collisions at s = 8 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2013)
Measurement of the differential cross sections for isolated direct photon pair production in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2010)
Measurement of the dijet invariant mass cross section in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2013)
Evidence for s-channel single top quark production in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Abazov V
(2010)
Search for the rare decay B s 0 ? µ + µ -
in Physics Letters B
Abazov V. M.
(2011)
Search for
W
H associated production in 5.3 fb
-1 of
p(
p)over-bar collisions at the Fermilab Tevatron
in PHYSICS LETTERS B
Abazov V
(2010)
Measurement of the t-channel single top quark production cross section
in Physics Letters B
Abazov V
(2009)
Search for a scalar or vector particle decaying into Z? in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Aad G
(2014)
Search for new phenomena in photon + jet events collected in proton-proton collisions at s = 8 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2010)
Measurement of the normalized Z / ? * ? µ + µ - transverse momentum distribution in p p ¯ collisions at s = 1.96 TeV
in Physics Letters B
Aad G
(2011)
Search for neutral MSSM Higgs bosons decaying to t + t - pairs in proton-proton collisions at s = 7 TeV with the ATLAS detector
in Physics Letters B
Abazov V
(2010)
Search for flavor changing neutral currents via quark-gluon couplings in single top quark production using 2.3 fb-1 of p p ¯ collisions
in Physics Letters B
Aad G
(2011)
Search for an excess of events with an identical flavour lepton pair and significant missing transverse momentum in $\sqrt{s}=7$ TeV proton-proton collisions with the ATLAS detector
in The European Physical Journal C
Description | The discovery of the Higgs boson at the LHC and the first observation of neutrinos of one type (muon neutrinos) changing into neutrinos of another type (electron neutrinos). |
Exploitation Route | The research is ongoing and will lead to deeper insights into nature and the properties of the fundamental particles and forces. |
Sectors | Education |
URL | http://www.lancaster.ac.uk/physics/research/experimental-particle-physics/ |