Category Archives: Experimental HEP News

Should the Europeans Give Up?

Posted on January 22, 2019 by woit

The European HEP community is now engaged in a “Strategy Update” process, the next step of which will be an open symposium this May in Granada. Submissions to the process were due last month, and I assume that what was … Continue reading →

Posted in Experimental HEP News, Favorite Old Posts | 78 Comments

The End of LHC Run 2 and the Road Ahead

Posted on October 24, 2018 by woit

Some experimental HEP news items: Since 2015 the LHC experiments have been taking data from proton-proton collisions at 13 TeV. This is “Run 2” of the LHC, “Run 1” was at the lower energy of 8 TeV. The proton-proton Run … Continue reading →

Posted in Experimental HEP News | 34 Comments

New LHC Results

Posted on March 22, 2017 by woit

This week results are being presented by the LHC experiments at the Moriond (twitter here) and Aspen conferences. While these so far have not been getting much publicity from CERN or in the media, they are quite significant, as first … Continue reading →

Posted in Experimental HEP News | 60 Comments

A New 30 GeV Particle?

Posted on October 21, 2016 by woit

Last night a preprint appeared on the arXiv, with a re-analysis of old 1992-5 LEP data, looking at the dimuon spectrum for b-tagged (identified as involving a b-quark) events. An excess around 30 GeV was found, which would indicate a … Continue reading →

Posted in Experimental HEP News | 25 Comments

WIMPs on Death Row

Posted on July 21, 2016 by woit

One of the main arguments given for the idea of supersymmetric extensions of the standard model has been what SUSY enthusiasts call the “WIMP Miracle” (WIMP=Weakly Interacting Massive Particle). This is the claim that such SUSY models include a stable … Continue reading →

Posted in Experimental HEP News | 52 Comments

Rumor Mongering

Posted on June 21, 2016 by woit

Since I don’t see why Resonaances should have all the fun, I guess I’ll post something here about the big upcoming news of the summer: is the 750 GeV diphoton bump still there in the 2016 LHC data? We’re very … Continue reading →

Posted in Experimental HEP News | 39 Comments

LHC Run 2 First Results

Posted on December 14, 2015 by woit

First results using the full data from Run 2 at 13 TeV will be presented tomorrow at CERN at 15:00 Geneva time, with a live webcast available here. For some relevant commentary, see Tommaso Dorigo and Matt Strassler. Among relatively … Continue reading →

Posted in Experimental HEP News | 13 Comments

Super and Great Colliders

Posted on November 30, 2015 by woit

I’ve recently finished reading two new books on huge collider projects, which make an interesting contrast. The first is From the Great Wall to the Great Collider, by Steve Nadis and Shing-Tung Yau. It’s a very well-informed and topical book, … Continue reading →

Posted in Book Reviews, Experimental HEP News | 13 Comments

Lepton Photon Interactions at High Energies and the Multiverse

Posted on August 22, 2015 by woit

This past week the large biennial “Lepton-Photon” (International Symposium on Lepton Photon Interactions at High Energies) conference has been taking place in Ljubljana. These have been going on since 1965, now alternating years with the ICHEP (“Rochester”) conference. It’s been … Continue reading →

Posted in Experimental HEP News, Multiverse Mania | 17 Comments

LHC Run 2

Posted on June 2, 2015 by woit

Run 2 of the LHC is about to start with first stable beams scheduled for Wednesday morning, Geneva time). If you’re up (I’ll be asleep) you can watch a live webcast, or watch what is going on here. The current … Continue reading →

Posted in Experimental HEP News | 43 Comments