Quadrupole Deformation of a Nuclear Structure

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Discussion Overview

The discussion centers on the concept of quadrupole deformation in nuclear structures, exploring its definition, implications, and related concepts in nuclear physics. Participants inquire about the nature of quadrupole deformation and its measurement through quadrupole moments, as well as related topics such as scattering matrices.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant asks for clarification on what quadrupole deformation of a nucleus is.
  • Another participant provides links to resources, including the Moller Chart of Nuclides and discussions on electric quadrupole moments, suggesting these may aid in understanding the topic.
  • A new participant expresses confusion about scattering matrices in nuclear physics, indicating a need for assistance with numerical techniques.
  • A later post defines quadrupole deformation, explaining that a positive quadrupole moment corresponds to an elongated shape, while a negative quadrupole moment indicates a squashed shape.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the definition and implications of quadrupole deformation, as some are seeking clarification while others provide definitions and resources. The discussion remains open with varying levels of understanding and focus.

Contextual Notes

Some participants may have different levels of familiarity with nuclear physics concepts, leading to varying interpretations of quadrupole deformation and related topics. The discussion includes references to external resources that may not be universally accessible or understood.

Who May Find This Useful

Individuals interested in nuclear physics, particularly those studying nuclear structure and deformation, as well as those seeking clarification on scattering matrices and numerical techniques in this field.

Raj A Malhotra
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Please tell me what is the quadrupole deformation of a nucleus?
 
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Perhaps this will help with the discussion.

http://ie.lbl.gov/systematics/chart_thb2.pdf
Quadrupole deformation - Moller Chart of Nuclides

Is one familiar with nuclear quadrupole moment?

Electric Quadrupole Moments of Nuclei
http://hyperphysics.phy-astr.gsu.edu/hbase/nuclear/elequad.html

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elequad.html


Giant Resonances: Nuclear Structure at Finite Temperature


Download this document - http://personal.ph.surrey.ac.uk/~phs1pr/lecture_notes/nuc_expt_phr03.pdf
and look on page 40 or (43 of 225).
 
Last edited by a moderator:
s-matrix

hello
I m new in this forum . I m also study in Nuclear Physics.now I confuse about scattering matrix unitary,could u explain me.I m so weak in numerical technique.:cry:
 
Raj A Malhotra said:
Please tell me what is the quadrupole deformation of a nucleus?
The quadrupole moment measures deformation from purely spherical.
An elongated shape (like an American footbal) has a positive quadupole moment.
A squashed shape (like a pancake) has a negaive quadrupole moment.
 

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