PHYS3002. Nuclei and Particles. Synoptic.personal.soton.ac.uk/.../synoptic/synoptic_slides.pdf ·...

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PHYS3002. Nuclei and Particles. Synoptic.

Transcript of PHYS3002. Nuclei and Particles. Synoptic.personal.soton.ac.uk/.../synoptic/synoptic_slides.pdf ·...

Page 1: PHYS3002. Nuclei and Particles. Synoptic.personal.soton.ac.uk/.../synoptic/synoptic_slides.pdf · Decay Rates . Alpha Decay Beta Decay . Gamma Decay Nuclear Fission Nuclear Fusion

PHYS3002. Nuclei and Particles.Synoptic.

Page 2: PHYS3002. Nuclei and Particles. Synoptic.personal.soton.ac.uk/.../synoptic/synoptic_slides.pdf · Decay Rates . Alpha Decay Beta Decay . Gamma Decay Nuclear Fission Nuclear Fusion
Page 3: PHYS3002. Nuclei and Particles. Synoptic.personal.soton.ac.uk/.../synoptic/synoptic_slides.pdf · Decay Rates . Alpha Decay Beta Decay . Gamma Decay Nuclear Fission Nuclear Fusion
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Rutherford Scattering and cross section

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Cross section

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:

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Alpha Decay

Beta Decay

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Gamma Decay

The total angular momentum change, L in a nuclear transition can take the values |Li − Lf | ≤L ≤ |Li + Lf |, L>0This is also subject to selection rules for the parity difference between initial and final states: P = (−1)L, for electric transitionsand P = (−1)L−1, for the (even further suppressed) magnetic transitions. Here are some examples: 2+ → 1−(E1)2+ → 1+(M1)3+ → 1−(M2)3+ → 1+(E2)

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The Mőssbauer Effect

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Accelerators and particle kinematics

CM frame:

Fixed target:

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CMS DETECTOR

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Weak interactions

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Electromagnetic Interactions

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QCD(uuu)

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Summary of Conservation laws