Statistics for Particle: Lecture 3 (Part 1)

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This quiz has been taken 24 times
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Answer Stats

Hint	Answer	% Correct
Name an ideal particle for acceleration	Electron/Positron/Proton/Antiproton	67%
True or false: Magnetic fields are used to steer the beams	True	67%
True or false: Electric fields are used to accelerate the beams	True	67%
How to make a high energy beam:	- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -	33%
Define the luminosity in terms of N1, N2, frev, LX and LY	(1/4pi)(frevN1N2/LX*LY)	0%
Name a long-range electromagnetic interaction a particle can have with matter	A charged particle can ionise and excite atoms in the material along its way	0%
Step 1:	An easily obtainable particle	0%
Step 3:	A particle that is stable for the duration of the time taken until collision	0%
Step 2:	A particle you can accelerate	0%
Why does the beam have to form bunches instead of a continuous beam in alternating acceleration?	Because some particles would get decelerated in a continuous beam	0%
Why is a synchotron named as such?	Because the magnetic field has to rise synchronously with the beam energy, in order to keep the beam on the fixed orbit while it gains in energy	0%
Why is the 1/4*pi geometric factor included in the above definition?	Because we assume elliptically-shaped beams with a Gaussian distribution	0%
What are the factors that we need to know if we want to calculate the number of events (N) of a certain process to occur?	cross section of the considered process, the number of particles in the two beams, the frequency of the beam revolution and the size of the beam at the interaction point	0%
Name two things accelerated particles are used for	Directing them on a fixed target and colliding two accelerated beams head-on	0%
Name the two main types of interaction for a strong interaction	Elastic scattering and inelastic scattering	0%
True or false: At high temperatures inelastic scattering is less dominant than elastic collisions?	False	0%
Name the two main types of accelerators	Linear and Cyclic	0%
Express the number of events, N, in terms of luminosity, time and the cross section of the considered process (P)	P*int(Ldt)	0%
Give an equation for the Lorentz force ( in terms of q, v, B and E)	q(v.B + E)	0%
What are the uses of high energy beams? Give two uses	Resolution of the structure of objects and the creation of new particles	0%
What are the units of luminosity?	s^(-1)*m^(-2)	0%
How is acceleration achieved in a synchotron?	The beam repeatedly traverses cavities placed in a ring.	0%
What is meant by inelastic scattering?	The final state particles differ from the initial state.	0%
What does frev define?	The frequency of revolutions of the beam	0%
Name a short-range interaction a particle can have with matter	The particle can interact strongly with an atomic nucleus	0%

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