What is a 'doublet', a 'triplet' etc. spin state?

Subject: What is a 'doublet', a 'triplet' etc. spin state?

Date: Sun Mar 11 17:32:33 2001
Posted by David
Grade level: undergrad School: University of York
City: York State/Province: Yorkshire Country: England
Area of science: Physics
ID: 984349953.Ph

Message:


Why is a doublet spin state called a doublet? What is single about a singlet? 
Likewise for triplets? I know that these states are defined by the multiplicity 
(2s+1), but I don't know why they are given these names. Is it something to do 
with spectroscopy?

Re: What is a 'doublet', a 'triplet' etc. spin state?

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