1 Electroweak Unification By Mark Hilton, Yee-Ting Li, John Loizides, Jayesh Ramanlal, Mo Man Yue, Khadija Muhiddin.

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Presentation transcript:

1 Electroweak Unification By Mark Hilton, Yee-Ting Li, John Loizides, Jayesh Ramanlal, Mo Man Yue, Khadija Muhiddin

2 Introduction Understanding of Theory Analysis of Data Event Display Webpage Outline of Project Outline of Project

3 HERA Hadron-Lepton Accelerator Hadron-Lepton Accelerator ZEUS Detector ZEUS Detector Use of ZEUS in our Project Use of ZEUS in our Project

4 Deep Inelastic Scattering Introduction Introduction Neutral and Charged Current Events Neutral and Charged Current Events

5 Neutral Current Events

6 Charged Current Events

7 Background Events 1 Introduction Introduction Types Types P-gas P-gas Photo-production Photo-production Muon Muon Fake Electrons Fake Electrons

8 Photo-production Photo-production P-Gas P-Gas Background Events 2

9 Background Events 3 Muon Muon Fake Electrons Fake Electrons

10 Thresholds E’e >25GeV Missing transverse momentum < 2  Et 38GeV<  <65GeV -50cm < Zvtx < 50cm Xvtx + Yvtx < 8.5cm ye < < Q2e /Q2DA <1.2 Q2DA >400GeV Number of muon tracks < 3 Neutral Current Events Charged Current Events Missing transverse momentum > 12GeVMissing transverse momentum > 12GeV Missing transverse momentum > 2  EtMissing transverse momentum > 2  Et  <38GeV  <38GeV -50cm < Zvtx < 50cm-50cm < Zvtx < 50cm X vtx + Yvtx < 8.5cmX vtx + Yvtx < 8.5cm Q2JB >400GeVQ2JB >400GeV Number of muon tracks < 3Number of muon tracks < 3

11 Electroweak Unification 1 Introduction Introduction Differential Cross Sections (DCS) Differential Cross Sections (DCS)

12 Electroweak Unification 2 Detection of NC/CC Events Detection of NC/CC Events Collisions of lepton-protons Collisions of lepton-protons All variables stored in ‘ntuple’ All variables stored in ‘ntuple’ Thresholds Thresholds Relation of Events with Differential Cross Section Relation of Events with Differential Cross Section

13 Electroweak Unification 3 Project Results Project Results

14 Event Display Introduction Introduction Graphical interpretation of collision Graphical interpretation of collision Aid to collaboration Aid to collaboration

15 Webpage Audience Audience History of the Web - CERN History of the Web - CERN Public Project Website ( Public Project Website ( Layout Layout Features Features Navigation Navigation Content Content

16 Summary Achievements Achievements

17 Questions & Comments