Carefully prepare lessons.prepare students and make preparations before class:In the teaching process we pay attention to cultivating students' creative thinking,take students as the main body and enhance students'sense of participation:Corresponding exercises and supplementary exercises after class. 1.Calculate the ratio of the gravitational attraction to the electrical repulsion between two stationary electrons.(Do I need to tell you how far apart they are?) 2.Determine the mass of the virtual photon in each of the lowest-order diagram for Bhabha scattering (assume the electron and position are at rest).What is its velocity?(Note that these answers would be impossible for real photons.) Chapter Three:Relativistic Kinematics 1.Teaching aims Know the basic principles,notation,and terminology of relativistic kinematics. 2.Keypoints and Difficulties Keypoints:Lorentz Transformations;Collisions Difficulties:Collisions 3.Contents 3.1 Lorentz Transformations 3.2 Four-vectors 3.3 Energy and Momentum 3.4 Collisions 3.4.1 Classical Collisions 3.4.2 Relativistic Collisions 3.5 Examples and Applications 4.Teaching method Teaching:Group Discussion:Autodidacticism under the guidance of the teacher 5.Comments
Carefully prepare lessons, prepare students and make preparations before class; In the teaching process, we pay attention to cultivating students' creative thinking, take students as the main body and enhance students' sense of participation; Corresponding exercises and supplementary exercises after class. Problems： 1. Calculate the ratio of the gravitational attraction to the electrical repulsion between two stationary electrons. (Do I need to tell you how far apart they are?) 2. Determine the mass of the virtual photon in each of the lowest-order diagrams for Bhabha scattering (assume the electron and position are at rest). What is its velocity? (Note that these answers would be impossible for real photons.) Chapter Three: Relativistic Kinematics 1. Teaching aims Know the basic principles, notation, and terminology of relativistic kinematics. 2. Keypoints and Difficulties Keypoints: Lorentz Transformations; Collisions Difficulties: Collisions 3. Contents 3.1 Lorentz Transformations 3.2 Four-vectors 3.3 Energy and Momentum 3.4 Collisions 3.4.1 Classical Collisions 3.4.2 Relativistic Collisions 3.5 Examples and Applications 4. Teaching method Teaching; Group Discussion; Autodidacticism under the guidance of the teacher 5. Comments
Carefully prepare lessons,prepare students and make preparations In the teching proce payto students'creative thinking,take and enhance students'sense of participation:Corresponding exercises and supplementary exercises after class. Problems: 1.Half the muons in a monoenergetic beam decay in the first 600 m.How fast are they going? 2.How much more does a hot potato weigh than a cold one (in kg)? 3.Particle A,at rest,decays into three or more particles:AB+C+D (a)Determine the maximum and minimum energies that B can have in such a decay,in terms of the various masses. (b)Find the maximum and minimum electron energies in muon decay, →e+。+v Chapter Four:Symmetries 1.Teaching aims Know some general remarks about the mathematical description of symetry (group theory)and the relation between symmetry and conservation laws (Notther's theorem): Take up the case of rotational symmetry and its relation to angular momentum and spin: Consider 'discrete'symmetries-parity,charge conjugation,and time reversal 2.Keypoints and Difficulties Keypoints:Symmetries Difficulties:Flavor Symmetries 3.Contents 4.1 Symmetries.Groups.and Conservation Laws 4.2 Angular Momentum 4.2.1 Addition of Angular Momenta 4.2.2 Spin
Carefully prepare lessons, prepare students and make preparations before class; In the teaching process, we pay attention to cultivating students' creative thinking, take students as the main body and enhance students' sense of participation; Corresponding exercises and supplementary exercises after class. Problems： 1. Half the muons in a monoenergetic beam decay in the first 600 m. How fast are they going? 2. How much more does a hot potato weigh than a cold one (in kg)? 3. Particle A, at rest, decays into three or more particles: A→ B + C + D + …. (a) Determine the maximum and minimum energies that B can have in such a decay, in terms of the various masses. (b)Find the maximum and minimum electron energies in muon decay, ̅ݒ ି݁ → ିߤ .ఓݒ Chapter Four: Symmetries 1. Teaching aims Know some general remarks about the mathematical description of symmetry (group theory) and the relation between symmetry and conservation laws (Notther's theorem); Take up the case of rotational symmetry and its relation to angular momentum and spin; Consider ‘discrete' symmetries - parity, charge conjugation, and time reversal. 2. Keypoints and Difficulties Keypoints: Symmetries Difficulties: Flavor Symmetries 3. Contents 4.1 Symmetries. Groups. and Conservation Laws 4.2 Angular Momentum 4.2.1 Addition of Angular Momenta 4.2.2 Spin ଵ ଶ
4.3 Flavor Symmetries 4.4 Discrete Symmetries 4.4.1 Parity 4.4.2 Charge Conjugation 4.4.3CP 4.4.3.1 Neutral Kaons 4.4.3.2 CP Violation 4.4.4 Time Reversal and the TCP Theorem 4.Teaching method Teaching:Group Discussion:Autodidacticism under the guidance of the teacher 5.Comments Carefully prepare lessons,prepare students and make preparations students'creative thinking,take students as the main body and enhance students'sense of participation:Corresponding exercises and supplementary exercises after class. Problems 1.Work out the symmetry group of a square.How many elements does it have?Construct the multiplication table,and determine whether or not the group is Abelian. 2.Suppose you had two particles of spin 2,each in a state with S2=0.1f you easured the total angular ent of this system given that the orbital angular momentum is zero,what values might you get, and what is the probability of each?Check that they add up to 1. Chapter Five:Bound States 1.Teaching aims Know the nonrelativistic theory of two-particle bound states- hydrogen (ep),positronium (e'e),charmonium (cc),and bottomonium (b5. 2.Keypoints and Difficulties Keypoints:The Schrodinger Equation Difficulties:Hydrogen
4.3 Flavor Symmetries 4.4 Discrete Symmetries 4.4.1 Parity 4.4.2 Charge Conjugation 4.4.3 CP 4.4.3.1 Neutral Kaons 4.4.3.2 CP Violation 4.4.4 Time Reversal and the TCP Theorem 4. Teaching method Teaching; Group Discussion; Autodidacticism under the guidance of the teacher 5. Comments Carefully prepare lessons, prepare students and make preparations before class; In the teaching process, we pay attention to cultivating students' creative thinking, take students as the main body and enhance students' sense of participation; Corresponding exercises and supplementary exercises after class. Problems: 1. Work out the symmetry group of a square. How many elements does it have? Construct the multiplication table, and determine whether or not the group is Abelian. 2. Suppose you had two particles of spin 2, each in a state with SZ = O. If you measured the total angular momentum of this system. given that the orbital angular momentum is zero, what values might you get, and what is the probability of each? Check that they add up to 1. Chapter Five: Bound States 1. Teaching aims Know the nonrelativistic theory of two-particle bound states - hydrogen (ep + ), positronium (ee + ), charmonium (ܿܿ̅), and bottomonium (ܾܾത). 2. Keypoints and Difficulties Keypoints: The Schrodinger Equation Difficulties: Hydrogen