hep@sfu welcome undergraduate physicists high energy physics @sfu

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HEP@SFU welcome undergraduate physicists HEP@SFU welcome undergraduate physicists High Energy Physics @SFU

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HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

High Energy Physics @SFU

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

Howdoes matter hold together?

Then we have the interaction table…Then we have the interaction table…

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

How do we createparticles?

How do we detect and measure theseparticles and their

interactions?

andand

• Interaction between particles Interaction between particles and matterand matter

• Identify particle typesIdentify particle types• Measure energy and Measure energy and

momentum etc.momentum etc.• Conduct physics analysisConduct physics analysis

• Interaction between particles Interaction between particles and matterand matter

• Identify particle typesIdentify particle types• Measure energy and Measure energy and

momentum etc.momentum etc.• Conduct physics analysisConduct physics analysis

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

Tevatron at Fermilab, Chicago, is the highest-energy accelerator in the Tevatron at Fermilab, Chicago, is the highest-energy accelerator in the world. Proton and anti-proton collide at energy 1.96 TeV. It is the birth world. Proton and anti-proton collide at energy 1.96 TeV. It is the birth

place of the first pair of top quarks.place of the first pair of top quarks.SFU is one of the collaboration institutes at SFU is one of the collaboration institutes at

Tevatron at Fermilab, Chicago, is the highest-energy accelerator in the Tevatron at Fermilab, Chicago, is the highest-energy accelerator in the world. Proton and anti-proton collide at energy 1.96 TeV. It is the birth world. Proton and anti-proton collide at energy 1.96 TeV. It is the birth

place of the first pair of top quarks.place of the first pair of top quarks.SFU is one of the collaboration institutes at SFU is one of the collaboration institutes at

Tevatron and D0 experimentAt

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

The 1st evidence ofSingle top quark

A big event since discovery of top quark pair in 1995 is: A big event since discovery of top quark pair in 1995 is:

D0 experiment D0 experiment observed single top observed single top quarks in 2006! quarks in 2006!

SFU HEP group made siSFU HEP group made significant contribution ognificant contribution on this discovery. n this discovery. Dr. O’Dr. O’NeilNeil gave a seminar at F gave a seminar at Fermilab as a leading scieermilab as a leading scientist.ntist.

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

Decision tree &Single top quarkSearching SFU group employed a SFU group employed a

powerful tool “Decision powerful tool “Decision Tree” to search single top.Tree” to search single top.

Finally, we found Finally, we found them, Single top them, Single top quarks are not quarks are not lonely any more.lonely any more.

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

LHC andATLASexperiment

ATLAS (A Toroidal LHC ApparatuS) is one ATLAS (A Toroidal LHC ApparatuS) is one of the six particle detector experiments currof the six particle detector experiments currently being constructed at the Large Hadroently being constructed at the Large Hadron Collider (LHC), a new particle accelerator n Collider (LHC), a new particle accelerator at the European Organization for Nuclear Rat the European Organization for Nuclear Research (esearch (CERN) in Switzerland. When compl) in Switzerland. When completed, ATLAS will be 46 meters long and 25 eted, ATLAS will be 46 meters long and 25 metres in diameter, and will weigh about 7,metres in diameter, and will weigh about 7,000 tones. The project involves roughly 2,00000 tones. The project involves roughly 2,000 scientists and engineers at 165 institution0 scientists and engineers at 165 institutions in 35 countries. s in 35 countries.

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

The ATLAS Experiment

Impacts the origin and fate of the universe Big Bang, Dark Matter

• What? Proton-Proton collisions at the highest energy ever achieved Proton-Proton collisions at the highest energy ever achieved

in the laboratoryin the laboratory• Why? Study Nature at the most fundamental level:Study Nature at the most fundamental level:

- What are the basic building blocks of Nature? - How do they interact?

• Why? Discover the origin of mass Discover the origin of mass Higgs particle Look for physics Beyond the Standard ModelLook for physics Beyond the Standard Model Supersymmetry, extra dimensions, …

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

Canada builtthis

StandardPhysicist

Proton-Protoncollisions

occur here inthe centre

ATLAS detector

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

The ATLAS Collaboration

1800 physicists & engineers

150 universities & laboratories

34 countries

ATLAS-CanadaAlberta

Carleton McGill

MontrealSimon Fraser

TorontoTRIUMF Victoria

York

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

Atlas data center & Westgrid

Dr. Vetterli is a leading scientist Dr. Vetterli is a leading scientist of ATLAS data center and one of of ATLAS data center and one of the co-principal investigators at the co-principal investigators at WestGrid - a high-performance gWestGrid - a high-performance grid computing network used by rrid computing network used by researchers across Canadaesearchers across Canada

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

More work@ HEP sfu

Please enjoy printed posters on the walls!Please enjoy printed posters on the walls!

HEP@SFU welcome undergraduate physicistsHEP@SFU welcome undergraduate physicists

High Energy High Energy Physics groupPhysics groupAt SFuAt SFu

High Energy Physics group @ SFUHigh Energy Physics group @ SFU

http://Hep.phys.sfu.ca