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PH4100 Major Projects in Particle Physics 2009/2010
Accelerator projects
• Laser-wire• Lasers+Optics• Electronics
• Beam position Monitors• Electronics• RF systems
• Coherent Diffraction Radiation• Theory calculations• Instrument design
• Potential supervisors:• Grahame Blair• Stewart Boogert• Pavel Karataev
Recommended pre-requisite: MSci Course in Acc. Phys. (PH4450)
RHUL post-grad in Tsukuba
Acoustic Measurements of Photon Beams Acoustic Measurements of Photon Beams and Bunches of High Energy Particlesand Bunches of High Energy Particles
Bunch profile measurements at modern accelerators are not possible with 'traditional' techniques.
Can acoustic measurements replace these? Measure the mechanical vibrations caused by a beam hit. Reconstruct the incident beam.
Project Construct laser test-stand to test this principle Develop software simulation package
Compare measurements with theory Prerequisites
PH4450: “Physics of Particle Accelerators” Dr Stephen MolloyDr Stephen Molloy
Search for the Higgs particle at the LHC
the Higgs boson Particle that might be
responsible for the mechanism of particles mass in the Standard Model!
Its properties are also important
Project based on analysis of simulated pp data in the ATLAS detector
Higgs produced with a top and anti-top quark at the LHC
ALEPH event display of a possible Higgs event?Dr. Pedro Teixeira-Dias
Search for
using the ATLAS detector
c=0.1100 fb-1
c=0.01100 fb-1
I. Belotelov et al. CMS NOTE 2006/104, CMS PTDR 2006
Find out how we can search for extra dimensions using particle physics detectors. Study how we identify electrons in the ATLAS detector. Investigate what typical Z’ ee and Gee events look like. Investigate how many Gee events we could see with 1 months worth of data.
Our world
Extra Dimensions! p p
e-
e+
e
e
Gee events
Dr Tracey Berry
Studies using top quark ATLAS simulated events to look for new physics
Top quark is heaviest particle Special relationship with the
Higgs boson New physics will impact the
production and decay of top quarks
Project will involve collaboration with SEPnet (RHUL or other) phenomenologist
Still need to be defined over the summer
Project uses simulated data
020406080
100120140160180
Mass (GeV/c
2 )
nu c b W Z top
Dr. Veronique Boisvert
PP Phenomenology Projects
Dr. Nikolas Kauer Data-driven background estimation
for SUSY & Higgs searches using LHC data
Loop corrections (GOLEM)
MC validation with data
BSM phenomenology Dr. Stephen West
Supersymmetric model building Non-standard Higgs physics Innovative models of dark matter Neutrino physics Early Universe cosmology
Evidence for Dark matter
Gluon-induced WW background:
Recommended courses
Programming in C++ most likely (PH2150 Java is fine)
PH4515 “Computing and Statistical Data Analysis (Glen Cowan)” course is recommended
Also recommended: PH3520 (Particle Physics 3rd year) PH4442 (Particle Physics, 2nd term)
PH4100 Major Projects in Astronomy
Possible projects:
I. Spectroscopy
II. Photometry
III. Solar System observations
Primary tools:
I. RHUL Observatory
II. Computing and data analysis
Potential supervisors:
Glen Cowan
Stewart Boogert
Spectroscopy
Glen CowanRHUL Physics
Emission spectrum fromOrion nebula
Rebecca Smith
Analysis of strength and shape of spectral lines,→ information about composition, temperature, pressure.
Computing (C++), data analysis (→PH4515)
Photometry
UBVRI filters to measure magnitudes of e.g. variable stars:
Also e.g. V vs. BV for stellar clusters (HR diagram);surface brightness of galaxies, ...
M51 Robin Emerson
Solar System and Planetary Science
Search for new (and observe known) asteroids and comets.
Comet Machholz
Melissa George