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Gyromagnetic Ratio

by touqra
Tags: gyromagnetic, ratio
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touqra
#1
Mar1-08, 10:15 PM
P: 282
What is the gyromagnetic ratio of quarks and gluons ? Does the ratio differs between antiquarks and quarks ?
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Meir Achuz
#2
Mar2-08, 03:35 PM
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Gluons have no magnetic moment, so the gyromangetic ratio is zero.
The gyromagnetic mooment of quarks depends on the model of a quark, which is still open for speculation. For point, Dirac-like quarks the gyromagnetic ratio would equal 2, with the same type of small correction like that for an electron or muon. If quarks have a different anomalous moment (like protons do), then the GR depends on the particular model.
touqra
#3
Mar3-08, 01:30 AM
P: 282
Quote Quote by Meir Achuz View Post
Gluons have no magnetic moment, so the gyromangetic ratio is zero.
The gyromagnetic mooment of quarks depends on the model of a quark, which is still open for speculation. For point, Dirac-like quarks the gyromagnetic ratio would equal 2, with the same type of small correction like that for an electron or muon. If quarks have a different anomalous moment (like protons do), then the GR depends on the particular model.
By the same token, Z boson and neutrino has GR = 0 since it's neutral, right ?

pam
#4
Mar3-08, 05:51 AM
P: 455
Gyromagnetic Ratio

Not because they are neutral, but because they have no mag moment.
The neutron is neutral, but has a mag moment and a GR.
Gigi
#5
Mar3-08, 09:22 AM
P: 21
To see whether they would have the same or different gyromagnetic ration, you need to see if they obey the same or different symmetries.
touqra
#6
Mar3-08, 11:39 AM
P: 282
Quote Quote by Gigi View Post
To see whether they would have the same or different gyromagnetic ration, you need to see if they obey the same or different symmetries.
What do you mean ?


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