PhysicsAndMathsTutor.com
|
|
- Gabriella Chapman
- 5 years ago
- Views:
Transcription
1 OR K π 0 + µ + v ( µ ) M. (a) (i) quark antiquark pair OR qq OR named quark antiquark pair 0 (iii) us (b) (i) Weak any of the following also score mark: weak interaction weak interaction force weak nuclear weak nuclear interaction weak decay weak force weak nuclear force conserved: baryon number, charge, lepton number, spin not conserved: strangeness (iii) K π 0 + e + v (e) [9] M. (a) interaction exchange particle weak W + OR W OR Z electromagnetic photon OR γ (b) uud (c) (i) an atomic/orbital/shell electron interacts with a proton in the nucleus (via the weak interaction) PhysicsAndMathsTutor.com
2 neutron formed or u quark changes to d quark (and neutrino released) [9] M. (a) (i) Z 0 with the weak interaction gluons or pions with the strong nuclear force γ photons with electromagnetic interaction gravitons with gravity (any exchange particle () and corresponding interaction ()) transfers energy transfers momentum transfers force (sometimes) transfers charge any two ()() (b) p π 0 () V e e + µ () e + () pe + µ () [8] M. (a) baryon number 0 + = + 0 () lepton number = () charge 0 + = 0 + () PhysicsAndMathsTutor.com
3 (b) K () π + () p udu () correct number of quarks and antiquarks in each () [7] M5. (a) particle quark structure charge strangeness baryon number proton uud + 0 sigma + uus + - π + ud (b) (i) examples: proton, antiquarks (iii) consists of antiquarks same (rest) mass (energy) difference eg baryon number/charge [] M6. (a) (i) any two eg proton, neutron PhysicsAndMathsTutor.com
4 (b) (i) contains a strange quark or longer half life than expected or decays by weak interaction the second one is not possible because lepton number is not conserved (c) (i) weak (interaction) mention of charge conservation or charge conservation demonstrated by numbers (iii) X must be a baryon baryon number on right hand side is + (iv) proton/p [] M7. (a) (i) positron, neutron, neutrino, positive pion () () (if all correct) (lose ()for each error) electron, proton, negative muon () () (if all correct) (lose ()for each error) (b) (i) (µ ) e + + v µ () difference: mass or half-life or generation of lepton () similarity: both leptons or both negatively charged () (c) [0] PhysicsAndMathsTutor.com
5 M8. (a) (i) leptons do not experience the strong interaction but hadrons do or hadrons not fundamental/made of quarks and leptons are not () hadron eg proton, neutron, pion () lepton eg electron, neutrino () (iii) baryons () mesons () baryons made from three quarks (or antiquarks), mesons a quark, antiquark pair or baryons, baryon number is + or mesons 0 () (b) baryon number, lepton number, charge, strangeness, energy or momentum () demonstration of conservation (before and after considered and number appropriate to particle quoted) () [8] M9. (a) (i) particles that experience the strong (nuclear) force/interaction () particles composed of three quarks () (iii) particles composed of a quark and an antiquark () (b) similarity: but the same (rest) mass or rest energy () difference: opposite quantum states eg charge () (c) charge/c baryon number quark structure antiproton for each error PhysicsAndMathsTutor.com 5
6 (d) (i) weak interaction () strange not conserved or there is a change/decay of quark (flavour) () any two eg charge baryon number (muon) lepton number [] M0. (a) (i) ; qqq; ()() (() for just two combinations) π + = () () (b) (i) strangeness = charge = baryon number = + lepton number = 0 ()()() if all correct lose one for each error the proton () [8] PhysicsAndMathsTutor.com 6
7 M. (a) n () p () v e () (b) (i) γ photon () γ is massless γ has infinite range γ does not carry charge ()() any two (c) (i) all properties/quantum numbers (e.g. charge, strangeness) are opposite () π () but the masses are the same () γ () () 5 [] M. (a) (i) (named force) from weak (nuclear), electromagnetic or gravity () uses a mediating/exchange particle, named particle from W (±) (boson), (γ) photon or graviton () to transfer energy/momentum () when electron emits/receives exchange particle, disappearance/creation of new particle occurs () anti proton () QWC max PhysicsAndMathsTutor.com 7
8 (b) (i) (quarks) () weak (nuclear) () (iii) proton () [7] PhysicsAndMathsTutor.com 8
PhysicsAndMathsTutor.com 1
Q1. (a) The K meson has strangeness 1. State the quark composition of a meson... State the baryon number of the K meson... (iii) What is the quark composition of the K meson?.... The figure below shows
More informationMatter: it s what you have learned that makes up the world Protons, Neutrons and Electrons
Name The Standard Model of Particle Physics Matter: it s what you have learned that makes up the world Protons, Neutrons and Electrons Just like there is good and evil, matter must have something like
More informationParticle Physics Outline the concepts of particle production and annihilation and apply the conservation laws to these processes.
Particle Physics 12.3.1 Outline the concept of antiparticles and give examples 12.3.2 Outline the concepts of particle production and annihilation and apply the conservation laws to these processes. Every
More information9.2.E - Particle Physics. Year 12 Physics 9.8 Quanta to Quarks
+ 9.2.E - Particle Physics Year 12 Physics 9.8 Quanta to Quarks + Atomic Size n While an atom is tiny, the nucleus is ten thousand times smaller than the atom and the quarks and electrons are at least
More informationcgrahamphysics.com Particles that mediate force Book pg Exchange particles
Particles that mediate force Book pg 299-300 Exchange particles Review Baryon number B Total # of baryons must remain constant All baryons have the same number B = 1 (p, n, Λ, Σ, Ξ) All non baryons (leptons
More informationQuantum Numbers. Elementary Particles Properties. F. Di Lodovico c 1 EPP, SPA6306. Queen Mary University of London. Quantum Numbers. F.
Elementary Properties 1 1 School of Physics and Astrophysics Queen Mary University of London EPP, SPA6306 Outline Most stable sub-atomic particles are the proton, neutron (nucleons) and electron. Study
More informationParticles. Constituents of the atom
Particles Constituents of the atom For Z X = mass number (protons + neutrons), Z = number of protons Isotopes are atoms with the same number of protons number but different number of neutrons. charge Specific
More information1. Introduction. Particle and Nuclear Physics. Dr. Tina Potter. Dr. Tina Potter 1. Introduction 1
1. Introduction Particle and Nuclear Physics Dr. Tina Potter Dr. Tina Potter 1. Introduction 1 In this section... Course content Practical information Matter Forces Dr. Tina Potter 1. Introduction 2 Course
More informationPHY-105: Introduction to Particle and Nuclear Physics
M. Kruse, Spring 2011, Phy-105 PHY-105: Introduction to Particle and Nuclear Physics Up to 1900 indivisable atoms Early 20th century electrons, protons, neutrons Around 1945, other particles discovered.
More informationThe Standard Model. 1 st 2 nd 3 rd Describes 3 of the 4 known fundamental forces. Separates particle into categories
The Standard Model 1 st 2 nd 3 rd Describes 3 of the 4 known fundamental forces. Separates particle into categories Bosons (force carriers) Photon, W, Z, gluon, Higgs Fermions (matter particles) 3 generations
More informationOption 212: UNIT 2 Elementary Particles
Department of Physics and Astronomy Option 212: UNIT 2 Elementary Particles SCHEDULE 26-Jan-15 13.pm LRB Intro lecture 28-Jan-15 12.pm LRB Problem solving (2-Feb-15 1.am E Problem Workshop) 4-Feb-15 12.pm
More informationVisit for more fantastic resources. AQA. A Level. A Level Physics. Particles (Answers) Name: Total Marks: /30
Visit http://www.mathsmadeeasy.co.uk/ for more fantastic resources. AQA A Level A Level Physics Particles (Answers) Name: Total Marks: /30 Maths Made Easy Complete Tuition Ltd 2017 1. This question explores
More informationPHYS 420: Astrophysics & Cosmology
PHYS 420: Astrophysics & Cosmology Dr Richard H. Cyburt Assistant Professor of Physics My office: 402c in the Science Building My phone: (304) 384-6006 My email: rcyburt@concord.edu My webpage: www.concord.edu/rcyburt
More informationQuantum Numbers. F. Di Lodovico 1 EPP, SPA6306. Queen Mary University of London. Quantum Numbers. F. Di Lodovico. Quantum Numbers.
1 1 School of Physics and Astrophysics Queen Mary University of London EPP, SPA6306 Outline : Number Conservation Rules Based on the experimental observation of particle interactions a number of particle
More informationOverview. The quest of Particle Physics research is to understand the fundamental particles of nature and their interactions.
Overview The quest of Particle Physics research is to understand the fundamental particles of nature and their interactions. Our understanding is about to take a giant leap.. the Large Hadron Collider
More informationThe Standard Model (part I)
The Standard Model (part I) Speaker Jens Kunstmann Student of Physics in 5 th year at Greifswald University, Germany Location Sommerakademie der Studienstiftung, Kreisau 2002 Topics Introduction The fundamental
More informationNuclear and Particle Physics 3: Particle Physics. Lecture 1: Introduction to Particle Physics February 5th 2007
Nuclear and Particle Physics 3: Particle Physics Lecture 1: Introduction to Particle Physics February 5th 2007 Particle Physics (PP) a.k.a. High-Energy Physics (HEP) 1 Dr Victoria Martin JCMB room 4405
More informationEssential Physics II. Lecture 14:
Essential Physics II E II Lecture 14: 18-01-16 Last lecture of EP2! Congratulations! This was a hard course. Be proud! Next week s exam Next Monday! All lecture slides on course website: http://astro3.sci.hokudai.ac.jp/~tasker/teaching/ep2
More informationElectron-positron pairs can be produced from a photon of energy > twice the rest energy of the electron.
Particle Physics Positron - discovered in 1932, same mass as electron, same charge but opposite sign, same spin but magnetic moment is parallel to angular momentum. Electron-positron pairs can be produced
More informationDEVIL PHYSICS THE BADDEST CLASS ON CAMPUS IB PHYSICS
DEVIL PHYSICS THE BADDEST CLASS ON CAMPUS IB PHYSICS LSN 7-3: THE STRUCTURE OF MATTER Questions From Reading Activity? Essential Idea: It is believed that all the matter around us is made up of fundamental
More informationLecture 02. The Standard Model of Particle Physics. Part I The Particles
Lecture 02 The Standard Model of Particle Physics Part I The Particles The Standard Model Describes 3 of the 4 known fundamental forces Separates particles into categories Bosons (force carriers) Photon,
More informationModern Physics: Standard Model of Particle Physics (Invited Lecture)
261352 Modern Physics: Standard Model of Particle Physics (Invited Lecture) Pichet Vanichchapongjaroen The Institute for Fundamental Study, Naresuan University 1 Informations Lecturer Pichet Vanichchapongjaroen
More informationParticle Physics Lectures Outline
Subatomic Physics: Particle Physics Lectures Physics of the Large Hadron Collider (plus something about neutrino physics) 1 Particle Physics Lectures Outline 1 - Introduction The Standard Model of particle
More informationBaryons, mesons and leptons are affected by particle interactions. Write an account of these interactions. Your account should:
Baryons, mesons and leptons are affected by particle interactions. Write an account of these interactions. Your account should: include the names of the interactions identify the groups of particles that
More informationParticle Physics. All science is either physics or stamp collecting and this from a 1908 Nobel laureate in Chemistry
Particle Physics JJ Thompson discovered electrons in 1897 Rutherford discovered the atomic nucleus in 1911 and the proton in 1919 (idea of gold foil expt) All science is either physics or stamp collecting
More informationGian Gopal Particle Attributes Quantum Numbers 1
Particle Attributes Quantum Numbers Intro Lecture Quantum numbers (Quantised Attributes subject to conservation laws and hence related to Symmetries) listed NOT explained. Now we cover Electric Charge
More informationChapter 32 Lecture Notes
Chapter 32 Lecture Notes Physics 2424 - Strauss Formulas: mc 2 hc/2πd 1. INTRODUCTION What are the most fundamental particles and what are the most fundamental forces that make up the universe? For a brick
More informationPhysics 4213/5213 Lecture 1
August 28, 2002 1 INTRODUCTION 1 Introduction Physics 4213/5213 Lecture 1 There are four known forces: gravity, electricity and magnetism (E&M), the weak force, and the strong force. Each is responsible
More informationThe Physics of Particles and Forces David Wilson
The Physics of Particles and Forces David Wilson Particle Physics Masterclass 21st March 2018 Overview David Wilson (TCD) Particles & Forces 2/30 Overview of Hadron Spectrum Collaboration (HadSpec) scattering
More informationPhysics Quarknet/Service Learning
Physics 29000 Quarknet/Service Learning Lecture 3: Ionizing Radiation Purdue University Department of Physics February 1, 2013 1 Resources Particle Data Group: http://pdg.lbl.gov Summary tables of particle
More informationINTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS
INTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS Class Mechanics My office (for now): Dantziger B Room 121 My Phone: x85200 Office hours: Call ahead, or better yet, email... Even better than office
More informationLecture 2: The First Second origin of neutrons and protons
Lecture 2: The First Second origin of neutrons and protons Hot Big Bang Expanding and cooling Soup of free particles + anti-particles Symmetry breaking Soup of free quarks Quarks confined into neutrons
More informationNeutrino Physics. Kam-Biu Luk. Tsinghua University and University of California, Berkeley and Lawrence Berkeley National Laboratory
Neutrino Physics Kam-Biu Luk Tsinghua University and University of California, Berkeley and Lawrence Berkeley National Laboratory 4-15 June, 2007 Outline Brief overview of particle physics Properties of
More informationTEACHER. The Atom 4. Make a drawing of an atom including: Nucleus, proton, neutron, electron, shell
Click on the SUBATOMIC roadmap button on the left. Explore the Subatomic Universe Roadmap to answer the following questions. Matter 1. What 3 atoms is a water molecule made of? Two Hydrogen atoms and one
More information.! " # e " + $ e. have the same spin as electron neutrinos, and is ½ integer (fermions).
Conservation Laws For every conservation of some quantity, this is equivalent to an invariance under some transformation. Invariance under space displacement leads to (and from) conservation of linear
More informationParticle Physics (concise summary) QuarkNet summer workshop June 24-28, 2013
Particle Physics (concise summary) QuarkNet summer workshop June 24-28, 2013 1 Matter Particles Quarks: Leptons: Anti-matter Particles Anti-quarks: Anti-leptons: Hadrons Stable bound states of quarks Baryons:
More informationWesley Smith, U. Wisconsin, January 21, Physics 301: Introduction - 1
Wesley Smith, U. Wisconsin, January 21, 2014 Physics 301: Introduction - 1 Physics 301: Physics Today Prof. Wesley Smith, wsmith@hep.wisc.edu Undergraduate Physics Colloquium! Discussions of current research
More informationOption 212: UNIT 2 Elementary Particles
Department of Physics and Astronomy Option 212: UNIT 2 Elementary Particles SCHEDULE 26-Jan-15 13.00pm LRB Intro lecture 28-Jan-15 12.00pm LRB Problem solving (2-Feb-15 10.00am E Problem Workshop) 4-Feb-15
More informationFXA Candidates should be able to :
1 Candidates should be able to : MATTER AND ANTIMATTER Explain that since protons and neutrons contain charged constituents called quarks, they are therefore, not fundamental particles. Every particle
More informationElementary Particle Physics Glossary. Course organiser: Dr Marcella Bona February 9, 2016
Elementary Particle Physics Glossary Course organiser: Dr Marcella Bona February 9, 2016 1 Contents 1 Terms A-C 5 1.1 Accelerator.............................. 5 1.2 Annihilation..............................
More informationElementary particles, forces and Feynman diagrams
Elementary particles, forces and Feynman diagrams Particles & Forces quarks Charged leptons (e,µ,τ) Neutral leptons (ν) Strong Y N N Electro Magnetic Y Y N Weak Y Y Y Quarks carry strong, weak & EM charge!!!!!
More information1. What does this poster contain?
This poster presents the elementary constituents of matter (the particles) and their interactions, the latter having other particles as intermediaries. These elementary particles are point-like and have
More informationIntroduction to Modern Physics Problems from previous Exams 3
Introduction to Modern Physics Problems from previous Exams 3 2007 An electron of mass 9 10 31 kg moves along the x axis at a velocity.9c. a. Calculate the rest energy of the electron. b. Calculate its
More informationLecture PowerPoint. Chapter 32 Physics: Principles with Applications, 6 th edition Giancoli
Lecture PowerPoint Chapter 32 Physics: Principles with Applications, 6 th edition Giancoli 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the
More informationDiscrete Transformations: Parity
Phy489 Lecture 8 0 Discrete Transformations: Parity Parity operation inverts the sign of all spatial coordinates: Position vector (x, y, z) goes to (-x, -y, -z) (eg P(r) = -r ) Clearly P 2 = I (so eigenvalues
More informationElementary (?) Particles
Elementary (?) Particles Dan Styer; 12 December 2018 This document summarizes the so-called standard model of elementary particle physics. It cannot, in seven pages, even touch upon the copious experimental
More informationTHE STANDARD MODEL OF MATTER
VISUAL PHYSICS ONLINE THE STANDARD MODEL OF MATTER The "Standard Model" of subatomic and sub nuclear physics is an intricate, complex and often subtle thing and a complete study of it is beyond the scope
More informationM. Cobal, PIF 2006/7. Quarks
Quarks Quarks Quarks are s = ½ fermions, subject to all kind of interactions. They have fractional electric charges Quarks and their bound states are the only particles which interact strongly Like leptons,
More informationBooks: - Martin, B.R. & Shaw, G Particle Physics (Wiley) (recommended) - Perkins, D.H. Introduction to High Energy Physics (CUP) (advanced)
PC 3 Foundations of Particle Physics Lecturer: Dr F. Loebinger Books: - Martin, B.R. & Shaw, G Particle Physics (Wiley) (recommended) - Perkins, D.H. Introduction to High Energy Physics (CUP) (advanced)
More informationCosmology and particle physics
Cosmology and particle physics Lecture notes Timm Wrase Lecture 5 The thermal universe - part I In the last lecture we have shown that our very early universe was in a very hot and dense state. During
More informationHadronic Resonances in a Hadronic Picture. Daisuke Jido (Nuclear physics group)
Daisuke Jido (Nuclear physics group) Hadrons (particles interacting with strong interactions) are composite objects of quarks and gluons. It has been recently suggested that the structures of some hadrons
More informationModern physics 1 Chapter 13
Modern physics 1 Chapter 13 13. Particle physics Particle studied within the ATLAS-project CERN In the beginning of 1930, it seemed that all the physics fundaments was placed within the new areas of elementary
More informationMost of Modern Physics today is concerned with the extremes of matter:
Most of Modern Physics today is concerned with the extremes of matter: Very low temperatures, very large numbers of particles, complex systems Æ Condensed Matter Physics Very high temperatures, very large
More informationMost of Modern Physics today is concerned with the extremes of matter:
Most of Modern Physics today is concerned with the extremes of matter: Very low temperatures, very large numbers of particles, complex systems Æ Condensed Matter Physics Very high temperatures, very large
More informationPhysics 7730: Particle Physics
Physics 7730: Particle Physics! Instructor: Kevin Stenson (particle physics experimentalist)! Office: Duane F317 (Gamow tower)! Email: kevin.stenson@colorado.edu! Phone: 303-492-1106! Web page: http://www-hep.colorado.edu/~stenson/!
More informationMODERN PHYSICS. A. s c B. dss C. u
MODERN PHYSIS Name: Date: 1. Which color of light has the greatest energy per photon? 4. The composition of a meson with a charge of 1 elementary charge could be. red. green. blue D. violet. s c. dss.
More informationFACULTY OF SCIENCE. High Energy Physics. WINTHROP PROFESSOR IAN MCARTHUR and ADJUNCT/PROFESSOR JACKIE DAVIDSON
FACULTY OF SCIENCE High Energy Physics WINTHROP PROFESSOR IAN MCARTHUR and ADJUNCT/PROFESSOR JACKIE DAVIDSON AIM: To explore nature on the smallest length scales we can achieve Current status (10-20 m)
More informationThe Quark Parton Model
The Quark Parton Model Quark Model Pseudoscalar J P = 0 Mesons Vector J P = 1 Mesons Meson Masses J P = 3 /2 + Baryons J P = ½ + Baryons Resonances Resonance Detection Discovery of the ω meson Dalitz Plots
More informationLecture 11 Weak interactions, Cabbibo-angle. angle. SS2011: Introduction to Nuclear and Particle Physics, Part 2
Lecture 11 Weak interactions, Cabbibo-angle angle SS2011: Introduction to Nuclear and Particle Physics, Part 2 1 Neutrino-lepton reactions Consider the reaction of neutrino-electron scattering: Feynman
More informationAtomic Structure. From Molecules to Quarks
Atomic Structure From Molecules to Quarks ELECTRONS Negatively charged particles that circle the nucleus. Bohr s Atom electrons in orbits nucleus Inside the Atom The Nucleus Contains Protons & Neutrons
More informationFUNDAMENTAL PARTICLES CLASSIFICATION! BOSONS! QUARKS! FERMIONS! Gauge Bosons! Fermions! Strange and Charm! Top and Bottom! Up and Down!
FUNDAMENTAL PARTICLES CLASSIFICATION! BOSONS! --Bosons are generally associated with radiation and are sometimes! characterized as force carrier particles.! Quarks! Fermions! Leptons! (protons, neutrons)!
More information2/11/13 STRUCTURING THE NEW PROTON A Sub-nuclear Shell Model ABSTRACT
2/11/13 STRUCTURING THE NEW PROTON A Sub-nuclear Shell Model John R. Springer email: springerphysics@gmail.com ABSTRACT Experiments performed at the HERA Ring Accelerator, Hamburg, Germany have provided
More informationM. Cobal, PIF 2006/7. Quarks
M. Cobal, PIF 2006/7 Quarks Quarks Quarks are s = ½ fermions, subject to all kind of interactions. They have fractional electric charges Quarks and their bound states are the only particles which interact
More informationChapter 5. Par+cle Physics
Chapter 5 Par+cle Physics Types of Forces Force Range (m) Relative Strength Force Carrier Gravitational! 10-38 Graviton Weak 10-18 10-5 W ±, Z 0 Electromagnetic! =1/137 Photon Strong 10-15 1 Gluon What
More informationFundamental Particles and Forces
Fundamental Particles and Forces A Look at the Standard Model and Interesting Theories André Gras PHYS 3305 SMU 1 Overview Introduction to Fundamental Particles and Forces Brief History of Discovery The
More informationDISCRETE SYMMETRIES IN NUCLEAR AND PARTICLE PHYSICS. Parity PHYS NUCLEAR AND PARTICLE PHYSICS
PHYS 30121 NUCLEAR AND PARTICLE PHYSICS DISCRETE SYMMETRIES IN NUCLEAR AND PARTICLE PHYSICS Discrete symmetries are ones that do not depend on any continuous parameter. The classic example is reflection
More informationPHYA1. (JUN14PHYA101) WMP/Jun14/PHYA1/E5. General Certificate of Education Advanced Subsidiary Examination June 2014
Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Physics A Unit 1 For this paper you must have: l a pencil and a ruler l a calculator l a Data
More informationAn Introduction to Modern Particle Physics
An Introduction to Modern Particle Physics Mark Thomson University of Cambridge ALEPH DALI 3 Gev EC 6 Gev HC Run=56698 Evt=7455 Y" RO TPC 1cm 0 1cm 1cm 0 1cm X" Z0
More informationThe ATLAS Experiment and the CERN Large Hadron Collider
The ATLAS Experiment and the CERN Large Hadron Collider HEP101-2 January 28, 2013 Al Goshaw 1 HEP 101-2 plan Jan. 14: Introduction to CERN and ATLAS DONE Today: 1. Comments on grant opportunities 2. Overview
More informationUsing the same notation, give the isotope of carbon that has two fewer neutrons.
A radioactive isotope of carbon is represented by C. Using the same notation, give the isotope of carbon that has two fewer neutrons. () Calculate the charge on the ion formed when two electrons are removed
More information1 Introduction. 1.1 The Standard Model of particle physics The fundamental particles
1 Introduction The purpose of this chapter is to provide a brief introduction to the Standard Model of particle physics. In particular, it gives an overview of the fundamental particles and the relationship
More informationParticle Physics. Dr Victoria Martin, Spring Semester 2012 Lecture 1: The Mysteries of Particle Physics, or Why should I take this course?
Particle Physics Dr Victoria Martin, Spring Semester 2012 Lecture 1: The Mysteries of Particle Physics, or Why should I take this course? Contents: Review of the Standard Model! What we know! What we don
More informationAn Introduction to Particle Physics
An Introduction to Particle Physics The Universe started with a Big Bang The Universe started with a Big Bang What is our Universe made of? Particle physics aims to understand Elementary (fundamental)
More information32 IONIZING RADIATION, NUCLEAR ENERGY, AND ELEMENTARY PARTICLES
32 IONIZING RADIATION, NUCLEAR ENERGY, AND ELEMENTARY PARTICLES 32.1 Biological Effects of Ionizing Radiation γ-rays (high-energy photons) can penetrate almost anything, but do comparatively little damage.
More informationVisit for more fantastic resources. OCR. A Level. A Level Physics. Particle physics (Answers) Name: Total Marks: /30
Visit http://www.mathsmadeeasy.co.uk/ for more fantastic resources. OCR A Level A Level Physics Particle physics (Answers) Name: Total Marks: /30 Maths Made Easy Complete Tuition Ltd 2017 1. In 1911 the
More informationLecture 9. Isospin The quark model
Lecture 9 Isospin The quark model There is one more symmetry that applies to strong interactions. isospin or isotopic spin It was useful in formulation of the quark picture of known particles. We can consider
More informationContents. Objectives Newton s Laws preliminaries 1 st Law pushing things 2 nd Law 3 rd Law A Problem Fundamental Forces Fundamental Particles Recap
Physics 121 for Majors Class 9 Newton s Laws Standard Model Last Class Matrices Classical boosts Lorentz boosts Space-time four-vectors Space and time problems in relativity Today s Class Newton s Laws
More informationQuantum ChromoDynamics (Nobel Prize 2004) Chris McLauchlin
Quantum ChromoDynamics (Nobel Prize 2004) Chris McLauchlin Outline The Four Fundamental Forces The Strong Force History of the Strong Force What These People Did Experimental Support 1 Fundamental Forces
More informationThe Particle World. This talk: What is our Universe made of? Where does it come from? Why does it behave the way it does?
The Particle World What is our Universe made of? Where does it come from? Why does it behave the way it does? Particle physics tries to answer these questions. This talk: particles as we understand them
More informationQuarks and the Baryons
Quarks and the Baryons A Review of Chapter 15 of Particles and Nuclei by Povh Evan Phelps University of South Carolina Department of Physics and Astronomy phelps@physics.sc.edu March 18, 2009 Evan Phelps
More informationReview Chap. 18: Particle Physics
Final Exam: Sat. Dec. 18, 2:45-4:45 pm, 1300 Sterling Exam is cumulative, covering all material Review Chap. 18: Particle Physics Particles and fields: a new picture Quarks and leptons: the particle zoo
More informationQuark model. Jan 30, 2006 Lecture 8 1
Quark model Jan 30, 2006 Lecture 8 1 Quark model of hadrons!!!! Developed long before QCD was recognized as the appropriate quantum field theory of the strong interactions Postulate that 1.! All baryons
More informationQuark Model. Mass and Charge Patterns in Hadrons. Spin-1/2 baryons: Nucleons: n: MeV; p: MeV
Mass and Charge Patterns in Hadrons To tame the particle zoo, patterns in the masses and charges can be found that will help lead to an explanation of the large number of particles in terms of just a few
More informationProperties of Elementary Particles
and of Elementary s 01/11/2018 My Office Hours: Thursday 1:00-3:00 PM 212 Keen Building Outline 1 2 3 Consider the world at different scales... Cosmology - only gravity matters XXXXX Input: Mass distributions
More informationKern- und Teilchenphysik I Lecture 13:Quarks and QCD
Kern- und Teilchenphysik I Lecture 13:Quarks and QCD (adapted from the Handout of Prof. Mark Thomson) Prof. Nico Serra Dr. Patrick Owen, Dr. Silva Coutinho http://www.physik.uzh.ch/de/lehre/phy211/hs2016.html
More informationSome fundamental questions
Some fundamental questions What is the standard model of elementary particles and their interactions? What is the origin of mass and electroweak symmetry breaking? What is the role of anti-matter in Nature?
More informationEpisode 536: Vector bosons and Feynman diagrams
Episode 536: Vector bosons and Feynman diagrams You need to check your own specification here for details of what students will need to do in examinations, and to look at past papers: although Feynman
More informationAtomic emission & absorption spectra
Name: Date: Modern Physics Models of the Atom The word atom comes from the Greek word atomos meaning indivisible We now know that this model of the atom is not accurate JJ Thompson Experiment and atomic
More informationBosons in the Zoo of Elementary Particles
Bosons in the Zoo of Elementary Particles Daniele Sasso * Abstract In this paper we want to raise the question concerning the physical identity of bosons and the function that they perform in the Non-Standard
More informationCHAPTER 7 TEST REVIEW
IB PHYSICS Name: Period: Date: # Marks: 94 Raw Score: IB Curve: DEVIL PHYSICS BADDEST CLASS ON CAMPUS CHAPTER 7 TEST REVIEW 1. An alpha particle is accelerated through a potential difference of 10 kv.
More informationPhys 102 Lecture 28 Life, the universe, and everything
Phys 102 Lecture 28 Life, the universe, and everything 1 Today we will... Learn about the building blocks of matter & fundamental forces Quarks and leptons Exchange particle ( gauge bosons ) Learn about
More informationDerivation of Electro Weak Unification and Final Form of Standard Model with QCD and Gluons 1 W W W 3
Derivation of Electro Weak Unification and Final Form of Standard Model with QCD and Gluons 1 W 1 + 2 W 2 + 3 W 3 Substitute B = cos W A + sin W Z 0 Sum over first generation particles. up down Left handed
More informationChem 481 Lecture Material 1/30/09
Chem 481 Lecture Material 1/30/09 Nature of Radioactive Decay The Standard Model in physics postulates that all particles in nature are composed of quarks and leptons and that they interact by exchange
More informationHc 5: Outline. Book by Tipler, chapter 12.2
Hc 5: Outline Introduc:on Produc:on and iden:fica:on of par:cles Basic concepts: par:cle- an:par:cle, leptons and hadrons Fundamental interac:ons and force carriers Conserva:on laws and symmetries The
More informationIntroduction. Read: Ch 1 of M&S
Introduction What questions does this field address? Want to know the basic law of nature. Can we unify all the forces with one equation or one theory? Read: Ch 1 of M&S K.K. Gan L1: Introduction 1 Particle
More informationChapter 46 Solutions
Chapter 46 Solutions 46.1 Assuming that the proton and antiproton are left nearly at rest after they are produced, the energy of the photon E, must be E = E 0 = (938.3 MeV) = 1876.6 MeV = 3.00 10 10 J
More informationParticles and Forces
Particles and Forces Particles Spin Before I get into the different types of particle there's a bit more back story you need. All particles can spin, like the earth on its axis, however it would be possible
More information2007 Section A of examination problems on Nuclei and Particles
2007 Section A of examination problems on Nuclei and Particles 1 Section A 2 PHYS3002W1 A1. A fossil containing 1 gramme of carbon has a radioactivity of 0.03 disintegrations per second. A living organism
More informationHigh Energy Physics. Lecture 9. Deep Inelastic Scattering Scaling Violation. HEP Lecture 9 1
High Energy Physics Lecture 9 Deep Inelastic Scattering Scaling Violation HEP Lecture 9 1 Deep Inelastic Scattering: The reaction equation of DIS is written e+ p e+ X where X is a system of outgoing hadrons
More informationPG lectures- Particle Physics Introduction. C.Lazzeroni
PG lectures- Particle Physics Introduction C.Lazzeroni Outline - Properties and classification of particles and forces - leptons and hadrons - mesons and baryons - forces and bosons - Relativistic kinematics
More information