Spin 2 1/2

*ImaLooser*

The "spin family" art works have a model of something with spin 2 1/2. I can't find any particle with this property. The max seems to be the graviton with spin 2.

?

*ImaLooser*

Quote by ImaLooser

The "spin family" art works have a model of something with spin 2 1/2. I can't find any particle with this property. The max seems to be the graviton with spin 2.

?

OK, I'm going to assume that there is no such thing, sculpture notwithstanding.

fzero

There aren't any elementary particles with spin 5/2 is nature. There are however bound states with total angular momentum 5/2. Examples include certain excited states of the proton and neutron, as well as atomic ions like Cu²⁺.

*ImaLooser*

Quote by fzero

There aren't any elementary particles with spin 5/2 is nature. There are however bound states with total angular momentum 5/2. Examples include certain excited states of the proton and neutron, as well as atomic ions like Cu²⁺.

Aha, now we're getting somewhere. So is there any theoretical limit on the amount of spin a particle can have?

dextercioby

Read this and the original article by Weinberg & Witten http://en.wikipedia.org/wiki/Weinberg-Witten_theorem. I don't know of other stronger result.

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ImaLooser	Spin 2 1/2 The "spin family" art works have a model of something with spin 2 1/2. I can't find any particle with this property. The max seems to be the graviton with spin 2. ?

fzero Recognitions: Gold Member Homework Help Science Advisor	There aren't any elementary particles with spin 5/2 is nature. There are however bound states with total angular momentum 5/2. Examples include certain excited states of the proton and neutron, as well as atomic ions like Cu²⁺.

dextercioby Blog Entries: 9 Recognitions: Homework Help Science Advisor	Read this and the original article by Weinberg & Witten http://en.wikipedia.org/wiki/Weinberg-Witten_theorem. I don't know of other stronger result.