Unusual Isotope Data: Have You Encountered This Before?

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I've been doing some analysis on isotope data for a paper, and I've obtained some results which don't seem to appear in the literature. Have you come actross this?

Here's the first one.
 

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I haven't seen it, but I would be surprised if it is new. That the odd and even nuclei act differently is well known, for example see:
http://prola.aps.org/abstract/PR/v116/i4/p970_1

I don't remember seeing the two types of even being different, but this is not my field. I would be stunned if it wasn't done already.
 
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attached is a fuller version and an extract of the data.
 

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Toponium is a hadron which is the bound state of a valance top quark and a valance antitop quark. Oversimplified presentations often state that top quarks don't form hadrons, because they decay to bottom quarks extremely rapidly after they are created, leaving no time to form a hadron. And, the vast majority of the time, this is true. But, the lifetime of a top quark is only an average lifetime. Sometimes it decays faster and sometimes it decays slower. In the highly improbable case that...
I'm following this paper by Kitaev on SL(2,R) representations and I'm having a problem in the normalization of the continuous eigenfunctions (eqs. (67)-(70)), which satisfy \langle f_s | f_{s'} \rangle = \int_{0}^{1} \frac{2}{(1-u)^2} f_s(u)^* f_{s'}(u) \, du. \tag{67} The singular contribution of the integral arises at the endpoint u=1 of the integral, and in the limit u \to 1, the function f_s(u) takes on the form f_s(u) \approx a_s (1-u)^{1/2 + i s} + a_s^* (1-u)^{1/2 - i s}. \tag{70}...
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