tag:blogger.com,1999:blog-2846514233477399562.post3250581794125765299..comments2024-01-08T09:37:04.406+01:00Comments on RÉSONAANCES: Per kaons ad astra Jesterhttp://www.blogger.com/profile/08947218566941608850noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-2846514233477399562.post-2247119774228690772018-04-14T19:07:11.236+01:002018-04-14T19:07:11.236+01:00Ah, the precious rare decay, par excellence...
It...Ah, the precious rare decay, par excellence...<br /><br />It satisfies the well known maxim that the difficulty of performing the experiment is inversely proportional to the difficulty calculating the result. <br /><br />In fact, this decay and it's sister KL -> pi0 nu nubar are at the asymptotic limit of the above maxim...Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2846514233477399562.post-29172571080559317942018-04-12T10:06:55.182+01:002018-04-12T10:06:55.182+01:00Yes, this kind of global effective theory analyses...Yes, this kind of global effective theory analyses are being done. For example, for kaons decays (though not including K->pi nu nu) there is a compilation in http://arxiv.org/abs/1606.06037 . Anonymoushttps://www.blogger.com/profile/15251854537700513873noreply@blogger.comtag:blogger.com,1999:blog-2846514233477399562.post-62726628609194189182018-04-12T00:12:44.352+01:002018-04-12T00:12:44.352+01:00There must be dozens of measurements like the kaon...There must be dozens of measurements like the kaon decay in this post that are highly sensitive to the overall particle content of the Standard Model that all agree to within two sigma of the SM prediction.<br /><br />Surely there is some way of mathematically aggregating all of those confirmations to create a much more tight global set of constraints than we have from direct searches. Shouldn't there be? Has this been done?andrewhttps://www.blogger.com/profile/08172964121659914379noreply@blogger.com