Nuclear Scattering Applets - Potential & Plane Wave Expansion

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    Nuclear Scattering
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Discussion Overview

The discussion revolves around the use of nuclear scattering applets, particularly those that can illustrate potentials of arbitrary shapes and the concept of partial wave expansion. Participants express interest in how these applets can aid in understanding nuclear reactions and the approximation of plane waves with spherical waves.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant seeks recommendations for scattering applets that can handle arbitrary potential shapes and facilitate discussions on partial wave expansion.
  • Another participant questions the focus on simulation applets, suggesting that they may not be suitable for specific calculation goals due to the complexity of Monte Carlo simulations.
  • A different participant expresses that applets enhance their understanding of the physics involved, citing a specific simulation as an example that aids in grasping the concept of Distorted Wave Born Approximation (DWBA).
  • One participant agrees on the utility of applets for gaining physical intuition but expresses skepticism about the availability of such tools for complex many-body nuclear interactions, acknowledging their limited expertise in the area.

Areas of Agreement / Disagreement

Participants generally agree on the usefulness of applets for understanding physics concepts, but there is disagreement regarding the feasibility and availability of such tools for complex nuclear interactions.

Contextual Notes

There are limitations regarding the assumptions made about the complexity of nuclear interactions and the potential availability of suitable applets for such scenarios. The discussion does not resolve these uncertainties.

Who May Find This Useful

This discussion may be of interest to those exploring nuclear physics, particularly in the context of scattering theory and the use of simulation tools for educational purposes.

cristian1500
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Hello

I have trouble understandig nuclear reactions. Does anyone know some good scattering applets on a potential(of arbitrary shape;not 1D).

I am interested also in discussing partial wave expansion. And if there exists an applet to show me how can I approximate a plane wave with spherical ones.
 
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Hy,

why do you concentrate on simulation applets ? You have a specific calculation goal ? MC simulations are usually quite heavy, thus it is uncommon to refer to them as "applet" :wink:
 
With an applet I can feel much better the physics.
I found for example this simulation
http://www.numathics.com/arens/scattering/ssObst.html

The actual calculation is done with DWBA, but in order to understand how DWBA works I must have a physical intuition prepared.
 
Oh yes, I agree that applets are very convenient to get a physical sens of what is going on. In the case of optics/electromagntism (which I am not an expert) the equations are failry simple and fast applets can be written down. But in the case of many-body nuclear interactions, I do not expect that you will find such an applet. I might be wrong, and I am aware of being of very little help :biggrin:
 

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