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Been thinking about your question here, Rob .. my pure guess would be that one (or both) the two pieces of information you presented may not be founded in accurate assumptions (??)
I'm not sure I understand the overall problem posed by the Standard Model (SM) not making an accurate prediction of the HB mass, either (??).
It looks to me as though it is expected (by the author) that the SM should be capable of being extrapolated both up and down the energy scale (ad infinitum ?). I'd question the rationale behind this expectation. The SM theory seems to have been constructed after the discovery of particles (from particle accelerator experiments) … who is to say that it is accurate beyond the range over which we know it to be useful ?
I think this aspect is why they're excited about 'new physics' emerging.
I can't see why 125 GeV would be seen as being outside the range of usefulness of the SM. If the HB is discovered at this mass range, to me, it would seem to be well within the applicability range of the SM ? Perhaps they're saying that the HB can only exist at this range if SUSY is found to be valid … (I'm not sure this rationale is logical, however).
Sorry I can't be of more help on this one.
Cheers
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