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The LHC is continuing its powering tests too the schedule says that on Tuesday, March 29th, afterward the Easter, the beam should move resuscitated only similar Jesus Christ too it should furnish to the ring.

Meanwhile, ATLAS too CMS are releasing additional papers. Most of them exhibit skilful understanding amongst the Standard Model or less than 2-sigma excesses. But...




But the ATLAS paper
Search for superlative squarks inwards terminal states amongst i isolated lepton, jets, too missing transverse momentum inwards \(\sqrt{s} = 13\TeV\) \(pp\) collisions of ATLAS data
released a few hours agone is interesting although the excess inwards the signal part 1 (SR1) is only 2.3 sigma. But human face what it does to the exclusion graphs on Figure 8.

(Note that the terminal dry soil contains jets, MET, too i lepton. The arguably clearest previous ATLAS' SUSY excess, the on-Z 3-sigma excess, has jets, MET, too a lepton pair too then it's a dissimilar channel.)




Look at Figure eight on page xx – which I reproduced below (click the picture to magnify it). The expected excluded regions are bounded past times the dark contour; the observed exclusion contour is the cherry-red one. The thinner lines approximately the master copy thick red/black lines are the 1-sigma intervals.



The kickoff airplane is the gluino-stop majority plane. The 2nd i is the stop-neutralino majority plane.

The kickoff graph shows a rather clear excess preventing the experimenters from excluding the part amongst the gluino majority betwixt \(1.0\) too \(1.3\TeV\) too the halt approximately \(750\GeV\). You may come across a somewhat similar excess inwards the upper left share of the graph on Figure 12 of this CMS paper.

The 2nd airplane shows something fifty-fifty to a greater extent than dramatic: the excluded part decays into two. It was expected that the half-disk-shaped part of the neutralino majority upwards to \(200-250\GeV\) too the halt majority upwards to \(750\GeV\) would move excluded. Instead, ATLAS – using 3.2 femtobarns of the 2015 information – solely excluded 2 much smaller regions for modest halt masses; too halt masses approximately \(760\GeV\).

Pretty much the entire part of the halt majority betwixt \(620\GeV\) too \(740\GeV\) remained alive!

Influenza A virus subtype H5N1 similar preference for stops inwards this majority make could move indicated past times a CMS newspaper based on the 2012 information using the MT2 variable which I mentioned here. Look at that CMS pMSSM paper, e.g. on Figure 5a for the halt mass. The night bluish bend shows a rather clear excess for the halt majority betwixt \(600\) too \(900\GeV\).

The excess 2.3 sigma inwards SR1 came from 3.2 inverse femtobarns of the 2015 ATLAS data. One would similar if this excess is due to the actual superpartners. In that case, ATLAS should meliorate double the significance to larn unopen to v sigma. To make so, it volition demand nigh four times every bit much data, or xiii inverse femtobarns or too then of the \(13\TeV\) data. It's a realistic destination for 2016, assuming that Nature doesn't see xiii to move an unlucky number.

If Nature is generous enough, the gluinos below \(1.5\TeV\) (Gordon Kane's currently preferred value) too stops below \(750\GeV\) could move discovered past times the LHC inwards 2016. My $100/$10,000 bet against Adam Falkowski could larn a really tense thing because the "deadline" is specified every bit thirty inverse femtobarns. (Yes, my $100 is create for him.) Falkowski could claim that the 20/fb evaluated inwards 2012 counts every bit well, too then if he were this variety of a jerk, I solely convey 10/fb left for the \(13\TeV\) data. 13/fb could move also belatedly for me to win. ;-)

Needless to say, the regain of SUSY would move means to a greater extent than of import than a $10,000 bet. If I were asked to quantify the value of the regain of SUSY, I could enjoin "priceless". But because I am a realist who likes clear too non-dogmatic answers, I would enjoin something similar $200 billion.



Event Horizon Telescope

PBS wrote an article mainly nigh the Event Horizon Telescope. Using Kate Becker's cute analogy, numerous millimeter-wavelength radio telescope from the whole public squad upwards to larn an all-star squad for a calendar week or 2 inwards a year. In a way, this squad may human face similar an Earth-sized telescope, amongst the corresponding huge growth of the resolution. The destination is to come across an ordinary picture of the dark hole – the absence of lite (radio waves) within the guess disk where the dark hole is located, too this surrounded past times light.

The experiment is getting started – too should focus the telescopes on the 4-million-Suns dark hole at the galactic center. Can nosotros straight come across that at that topographic point is a hole producing no lite inwards that direction? BTW is it actually what our electrical current models predict? Isn't the dark hole surrounded past times some sources of radiations (ordinary matter) from all sides?

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