05/11/2006Prof. dr hab. Elżbieta Richter-Wąs Physics Program of the experiments at L arge H adron C ollider Lecture 5.

Slides:

Advertisements

Similar presentations

05/11/2006Prof. dr hab. Elżbieta Richter-Wąs Physics Program of the experiments at L arge H adron C ollider Lecture 4.

Advertisements

Higgs Physics at the Large Hadron Collider Markus Schumacher, Bonn University NRW Phenomenology Meeting 2006, Bad Honnef, January 2006.

Higgs physics theory aspects experimental approaches Monika Jurcovicova Department of Nuclear Physics, Comenius University Bratislava H f ~ m f.

Transverse momentum of Z bosons in Zee and Zmm decays Daniel Beecher 12 December 2005.

1 Higgs Mechanism Cyril Topfel. 2 What to expect from this Presentation (Table of Contents) Some very limited theory explanation Higgs at.

Section IX Electroweak Unification. 221 Electroweak Unification  Weak Charged Current interactions explained by W  exchange.  W bosons are charged,

THE SEARCH FOR THE HIGGS BOSON Aungshuman Zaman Department of Physics and Astronomy Stony Brook University October 11, 2010.

3.Phenomenology of Two Higgs Doublet Models. Charged Higgs Bosons.

Sayfa 1 Introduction to B Physics in ATLAS Detector at LHC Ahmet BİNGÜL Department of Engineering Physics University of Gaziantep Feb 2010.

Recent Electroweak Results from the Tevatron Weak Interactions and Neutrinos Workshop Delphi, Greece, 6-11 June, 2005 Dhiman Chakraborty Northern Illinois.

Hunting for New Particles & Forces. Example: Two particles produced Animations: QPJava-22.html u u d u d u.

Jose E. Garcia presented by: Jose E. Garcia (IFIC-Valencia) on behalf of ATLAS Collaboration XXXIXth Rencontres de Moriond.

1 Hadronic In-Situ Calibration of the ATLAS Detector N. Davidson The University of Melbourne.

1 Search for Excited Leptons with the CMS Detector at the Large Hadron Collider. Andy Yen, Yong Yang, Marat Gataullin, Vladimir Litvine California Institute.

Fabiola Gianotti, Physics at LHC, Pisa, April 2002 PART 2.

Application of Neural Networks for Energy Reconstruction J. Damgov and L. Litov University of Sofia.

Jake Anderson, on behalf of CMS Fermilab Semi-leptonic VW production at CMS.

PhD students meeting 01/27/2010 Philippe Doublet 1 Designing a detector for a future e - e + linear collider Precision measurements based on Particle Flow.

Dec. 17, 2004M. Garcia-Sciveres -- WW Scattering1 WW scattering Dec. 17 LBL ATLAS analysis meeting Motivation Theoretical Introduction Review of MC analyses.

Nick Hadley Run II Physics (I) Nick Hadley The University of Maryland New Perspectives 2000 Fermilab - June 28, 2000.

August 22, 2002UCI Quarknet The Higgs Particle Sarah D. Johnson University of La Verne August 22, 2002.

W properties AT CDF J. E. Garcia INFN Pisa. Outline Corfu Summer Institute Corfu Summer Institute September 10 th 2 1.CDF detector 2.W cross section measurements.

The Forward Liquid Argon Calorimeter of the ATLAS Detector Geant4 Workshop' September. Triumf, Vancouver Patricia Méndez Lorenzo. CERN EP/SFT 1.

Higgs Properties Measurement based on HZZ*4l with ATLAS

Potential for measuring the vertex at colliders E.A., Kanemura Phys. Lett. B626, 111(2005) E.A., Kanemura, Kanzaki hep-ph/ Eri Asakawa (KEK) 1.Introduction.

Search for a Z′ boson in the dimuon channel in p-p collisions at √s = 7TeV with CMS experiment at the Large Hadron Collider Search for a Z′ boson in the.

C. K. MackayEPS 2003 Electroweak Physics and the Top Quark Mass at the LHC Kate Mackay University of Bristol On behalf of the Atlas & CMS Collaborations.

Discovering the Higgs Boson J. Pilcher Talk for Graduate Students January 9, 2004.

Measurement of the branching ratios for Standard Model Higgs decays into muon pairs and into Z boson pairs at 1.4 TeV CLIC Gordana Milutinovic-Dumbelovic,

Discovery Potential of ATLAS for Extended Gauge Symmetries Daisuke Naito (Okayama University, Japan) for the ATLAS Collaboration Nov. 1st, 2006

Uniformity in ATLAS EM Calo measured in test beams  Constraints on the EM calorimeter constant term  Energy reconstruction  Uniformity results with.

8/18/2004E. Monnier - CPPM - ICHEP04 - Beijing1 Atlas liquid argon calorimeter status E. Monnier on behalf of the Atlas liquid argon calorimeter group.

May 1-3, LHC 2003V. Daniel Elvira1 CMS: Hadronic Calorimetry & Jet/ Performance V. Daniel Elvira Fermilab.

H 1 → a 1 a 1 → µ + µ - τ + τ - ATLAS Experiment: Search of Higgs Boson decaying into a 1 in Next to Minimal SuperSymmetric Model By: Hou Keong(Tim) Lou.

Results from particle beam tests of the ATLAS liquid argon endcap calorimeters Beam test setup Signal reconstruction Response to electrons  Electromagnetic.

Electroweak physics at the LHC with ATLAS APS April 2003 Meeting – Philadelphia, PA Arthur M. Moraes University of Sheffield, UK (on behalf of the ATLAS.

Higgs Reach Through VBF with ATLAS Bruce Mellado University of Wisconsin-Madison Recontres de Moriond 2004 QCD and High Energy Hadronic Interactions.

LHCb: Xmas 2010 Tara Shears, On behalf of the LHCb group.

Emily Nurse W production and properties at CDF0. Emily Nurse W production and properties at CDF1 The electron and muon channels are used to measure W.

BESS Model Resonance in the pp W + W tt + X Channel at LHC M. Gintner, I. Melo, B. Trpišová University of Žilina Herlany, September 2006.

Searching for New Matter with the D0 Experiment Todd Adams Department of Physics Florida State University September 19, 2004.

Top Quark Physics At TeVatron and LHC. Overview A Lightning Review of the Standard Model Introducing the Top Quark tt* Pair Production Single Top Production.

The Higgs Boson Beate Heinemann, University of Liverpool  The Standard Model and Beyond  Tevatron and LHC  Tevatron Results on Higgs Searches  Future.

The Standard Model of the elementary particles and their interactions

Flavour independent neutral Higgs boson searches at LEP Ivo van Vulpen NIKHEF On behalf of the LEP collaborations EPS conference 2005.

From the Standard Model to Discoveries - Physics with the CMS Experiment at the Dawn of the LHC Era Dimitri Bourilkov University of Florida CMS Collaboration.

Searching for the Higgs boson in the VH and VBF channels at ATLAS and CMS Dr. Adrian Buzatu Research Associate.

ATLAS Searches with Multi-Lepton Signatures at the LHC Bing Zhou The University of Michigan Jan. 8, 2007 At Aspen-07 Conference.

Test Beam Results on the ATLAS Electromagnetic Calorimeters Lucia Di Ciaccio – LAPP Annecy (on behalf of the ATLAS LAr Group) OUTLINE Description of the.

K. Jakobs, Universität Freiburg CERN Summer Student Lectures, Aug Physics at Hadron Colliders Lecture 3 Search for the Higgs boson Higgs boson production.

LHC Symposium 2003 Fermilab 01/05/2003 Ph. Schwemling, LPNHE-Paris for the ATLAS collaboration Electromagnetic Calorimetry and Electron/Photon performance.

Search for the SM Higgs Boson in H->ZZ* and H->WW* at the LHC Sinjini Sengupta University of Minnesota CMS Collaboration The 16 th International conference.

Search for a Standard Model Higgs Boson in the Diphoton Final State at the CDF Detector Karen Bland [ ] Department of Physics,

880.P20 Winter 2006 Richard Kass 1 Detector Systems momentumenergy A typical detector beam looks something like: BaBar, CDF, STAR, ATLAS, GLAST…… particle.

Backup slides Z 0 Z 0 production Once  s > 2M Z ~ GeV ÞPair production of Z 0 Z 0 via t-channel electron exchange. e+e+ e-e- e Z0Z0 Z0Z0 Other.

Higgs in the Large Hadron Collider Joe Mitchell Advisor: Dr. Chung Kao.

Marcel Vreeswijk (Nikhef/UvA-IoP) First Results of ATLAS at the LHC -- The rediscovery of the Standard Model-- Contents: Intro: The Standard Model Elementairy.

LHC Prospects on Standard Model Higgs Riccardo Ranieri INFN and Università degli Studi di Firenze on behalf of ATLAS and CMS Collaborations ICHEP’04 32.

Electroweak physics at CEPC

Electroweak Physics Towards the CDR

Daniel Blackburn University of Washington

Particle detection and reconstruction at the LHC (IV)

Electroweak Physics Towards the CDR

Venkat Kaushik, Jae Yu University of Texas at Arlington

The ATLAS Experiment at the LHC

SUSY SEARCHES WITH ATLAS

Installation, Commissioning and Startup of ATLAS & CMS Experiments

Weak interactions.

The Top Quark Search Joey Foley.

Search for a New Vector Resonance in the pp WWtt+X Channel at LHC

Presentation transcript:

05/11/2006Prof. dr hab. Elżbieta Richter-Wąs Physics Program of the experiments at L arge H adron C ollider Lecture 5

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Outline of this lecture Physics programme:  Higgs boson in SM and MSSM model

05/11/ Prof. dr hab. Elżbieta Richter-Wąs “Theoretical” basics FermionsSymmetries Bosons, Interactions Three families, with with leptons and and quarks 1) Poincaré Group 2) 2) Gauge Symmetries: U(1) Y U(1) Y SU(2) L SU(2) L SU(3) c SU(3) c : QED,  : QED, g ’ : Weak, Z, W  : Weak, g (electroweak unification) : QCD, 8 gluons : QCD, g s uLdLuLdL, u R, d R. eL, R, e R, Only known solution: the Higgs Mechanism   cscs tbtb

05/11/ Prof. dr hab. Elżbieta Richter-Wąs “Theoretical” basics + Self-interaction via V(  ): m f /v m 2 /v  m 2 /v 2 W,Z H m 2 = v 2 /3 H (unknown) All couplings predicted Mass unknown - v 4 /24 Empty vacuum (Our vacuum) Matter interacts with the quantum fluctuations of the vacuum as well as with the vacuum itself Ad hoc coupling

05/11/ Prof. dr hab. Elżbieta Richter-Wąs “Theoretical basics”: are there bounds on m H ? Triviality bound =m H 2 /v 2 As for any other coupling constant, the particle content of the standard model determines the running of up to a scale , at which the model is no longer valid. Vacuum stability

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs: Introduction

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs: Present status of knowledge

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs: production at hadron colliders

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs boson branching fractions

05/11/ Prof. dr hab. Elżbieta Richter-Wąs How can one claim a discovery?

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Maximising significance

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H  

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Simulated H  

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H   backgrounds

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H   irreducible backgrounds

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H   expected performance

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Tile Calorimeter Forward calo EM LAr Endcap EM LAr Barrel Had. endcap H   H  needs mass resolution ~ 1% response uniformity ≤ 0.7% e.m. calorimeter energy m  (GeV) over |  | < 2.5 As example : LAr electromagnetic calorimeter

05/11/ Prof. dr hab. Elżbieta Richter-Wąs End-cap wheel in vertical position (24/6/03) Thickness of 1536 plates for EM endcap measured with ultrasounds during construction thickness of Pb absorber plates must be uniform to ~ 0.5%(~ 10  m) To keep energy response uniform to ~ % LAr Pb absorber  ~ 9  m  =2.2 mm e EM Endcap : Construction requirements

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Test of 4( out of 32 ) barrel, 3( out of 16 ) end-cap final modules Test of 4( out of 32 ) barrel, 3( out of 16 ) end-cap final modules BC1BC2 BC3BC4 S1 pion counter muon counter FeS3,4Pb Barrel module scan with high E electrons  =0  =46  =0  =15 Required uniformity in regions of size  x  = 0.2 x 0.4 ~ 0.5% (440 regions in the full ECAL) H8 beam line EM Barrel : test beam

05/11/ Prof. dr hab. Elżbieta Richter-Wąs x z y Geant4 simulation of test-beam set-up ~ O(1%) of ATLAS tested on CERN H8 beam line «final» electronics «final» detector modules monitoring ATLAS software to analyze data. Toward Physics : 2004 ATLAS Combined Test Beam

05/11/ Prof. dr hab. Elżbieta Richter-Wąs TRT LAr Tilecal MDT-RPC BOS Pixels & SCT TRT LAr x z y 90 millions events collected( ~ 4.5 TB) e ±,  ±,  ±, various energies, B=0  1.4 T beam Toward Physics : 2004 ATLAS Combined Test Beam

05/11/ Prof. dr hab. Elżbieta Richter-Wąs E cell (GeV) Linearity E/E beam constant term~0.7% E(GeV) Energy resolution(1 cell)  /E(%) E beam (GeV) points well within 1% Work in progress to understand the material in the beam line 200 Uniformity (e GeV) over 22 spots  GeV beam energy pb? Electronics calibration pb Uniformity~ 0.5% CTB: electron studies (preliminary results)

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H  ZZ (*)  llll

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Simulated H  ZZ (*)  llll

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Simulated H  ZZ (*)  llll

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H  ZZ (*)  llll: control of reducible background

05/11/ Prof. dr hab. Elżbieta Richter-Wąs H  ZZ (*)  llll: analysis

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Vector boson fusion

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Forward jet tagging

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Example: qqH  qqWW*  qql l

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Overall SM Higgs discovery potential

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Overall SM Higgs discovery potential

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Determination of Higgs boson parameters

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs mass determination

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs width determination

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Determination of couplings

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Determination of couplings

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Measurement of partial widths ratios

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs pair production and self couplings

05/11/ Prof. dr hab. Elżbieta Richter-Wąs MSSM Higgs sector

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Production cross-section

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Higgs decays

05/11/ Prof. dr hab. Elżbieta Richter-Wąs h  , bb

05/11/ Prof. dr hab. Elżbieta Richter-Wąs A/H  

05/11/ Prof. dr hab. Elżbieta Richter-Wąs A/H   : mass reconstruction

05/11/ Prof. dr hab. Elżbieta Richter-Wąs A/H   : lepton-hadron analysis

05/11/ Prof. dr hab. Elżbieta Richter-Wąs A/H  

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Charged Higgs

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Summary 30fb -1

05/11/ Prof. dr hab. Elżbieta Richter-Wąs LHC discovery potential for SUSY Higgs bosons

05/11/ Prof. dr hab. Elżbieta Richter-Wąs What can we do in one year?

05/11/ Prof. dr hab. Elżbieta Richter-Wąs Conclusions