Re: Re: Re: Re: 1s3/2-1s1/2? - an Astronomy Net Blackholes Forum Message

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Re: Re: Re: Re: 1s3/2-1s1/2?

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Posted by Alexander on February 20, 2001 02:54:35 UTC

Yes, it is spectroscopic notation. 3/2 means electron and orbital spins are parallel (1/2+1=3/2), and 1/2 means - antiparallel (-1/2+1 = 1/2).

Transition between these two states of electron in H atom results in this 1.4 GHz radiation (there is "SETI at home" screen saver processing this line).

Follow Ups:

Re: Re: Re: Re: Re: 1s3/2-1s1/2? - libbie468 - February 20, 2001 - 04:36 UTC
- 21 cm line. - alexander - February 20, 2001 - 18:36 UTC
  - Re: this is crazy! - libbie468 - February 21, 2001 - 01:48 UTC
    - 21 cm radioline. - alexander - February 21, 2001 - 17:35 UTC
      - Re: peace and prosperity - libbie468 - February 21, 2001 - 18:43 UTC
        
        Re: Re: peace and prosperity - alexander - February 22, 2001 - 00:08 UTC

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