Top Asymmetry: The Latest From DZERO

It is nice to see that the Tevatron experiments are continuing to produce excellent scientific...

The dyslectic guy with an erection problem...

Did you know about that dyslectic guy with an impotence problem who once came to Fermilab ? He...

The Plot Of The Week - Dark Matter Candidates In Super-CDMS

The Super-CDMS dark-matter search has released two days ago the results from the analysis of nine...

Death Of The Dijet Anomaly

Do you remember the CDF Dijet bump at 145 GeV? In 2010, CDF published a paper that showed how the...

 Tommaso Dorigo I am an experimental particle physicist working with the CMS experiment at CERN. In my spare time I play chess, abuse the piano, and aim my dobson telescope at faint galaxies.... Read More » Blogroll

# The Say Of The Week

Nov 21 2009 | 2 comment(s)

Particle Physics had a short fling with Numerology in its young years, but the two have never met again since then.

TD

# New Tevatron Higgs Limits Got Worse, But The 115 GeV Excess Is Growing!

Nov 19 2009 | 34 comment(s)

It happens in the best families, so they say. Two experiments work 24/7 to produce an improved result on the Higgs search, and the result is disappointing, to say the least.

I am talking about the Tevatron, of course. For a little while longer, CDF and D0 will have the exclusive on Higgs boson searches. Last March, we all rejoyced when we saw that the Tevatron was starting to become sensitive to a high-mass Higgs, and indeed it excluded its existence in a range of masses between 160 and 170 GeV. We were waiting for more exclusions for the winter conferences of 2010, when more data would be used to produce improved results. Instead, no improvement, but actually, a retractatio. How is that possible ??

# New Z Bosons That LHC Can Discover In Three Months

Nov 18 2009 | 9 comment(s)

I recently discussed here the Tevatron results of searches for new Z bosons in electron-positron or dimuon samples collected by CDF and DZERO, pointing out that there seem to be a couple of intriguing upward fluctuations in the data. One of the dielectron fluctuations sits at a mass of 240 GeV, the other, also in the dielectron spectrum, is at about 720 GeV. Neither is compelling.

# Nielsen On CNN: Nonsense Broadcasts Better Than Hard Facts

Nov 16 2009 | 3 comment(s)

Today CNN features a short video with an interview to Professor Nielsen, the mastermind behind the whole "Higgs comes back from the future to prevent its own creation" crap.  I wrote about the matter a couple of times in the past, and will not reiterate here that I think his suggestions to pull out cards from a deck to decide whether to carry on basic research with the LHC is a unmitigated pile of you know what.

# More On The Omega B Baryon Significance

Nov 16 2009 | 8 comment(s)

Last May the CDF collaboration published their observation of the $\Omega_b$ baryon, a particle made by a very exotic "bss" quark triplet. The CDF result came almost one year after a similar measurement was published by the competitor experiment, D0.

# Attacking for the sake of it

Nov 14 2009 | 5 comment(s)

I wish to report here the moves of a game of chess I played on the Internet Chess Club a moment ago, against a similarly rated opponent. This was a 5' game -all your moves have to be done in five minutes, or you lose on time. Under such circumstances, games are ridden with mistakes of all kinds, oversights, strategical blunders, howlers. But sometimes, a game which can be shown with pride appears magically out of sudden inspiration. Here is such an instance.