Physics

1988- The Second Discovery Of The Top Quark

These days I am trying to reconstruct some stories from my old experiment, CDF. The CDF experiment was conceived in 1979 and constructed in the early eighties at the Fermi laboratories in Batavia, near Chicago. CDF took the first proton-antiproton collisi ...

Article - Tommaso Dorigo - Nov 7 2013 - 8:28am

Is There A New Family Of Four-Quark Objects?

An international team of high-energy physicists says the discovery of an electrically charged subatomic particle called Z c (4020) is a sign that they have begun to unveil a whole new family of four-quark objects.   The Beijing Spectrometer (BESIII) colla ...

Article - News Staff - Nov 8 2013 - 5:42pm

The Quote Of The Week- Shooting Through The CDF II Silicon Detector

"This time we're shooting through a brick!" Larry Nodulman (during a discussion on the reconstruction of electrons in the CDF II detector, just refurbished with a new set of silicon microstrip layers (SVX'), more powerful and capable o ...

Blog Post - Tommaso Dorigo - Nov 10 2013 - 1:53pm

The Event From Another World

It  happens in 1995, toward the end of Run 1B of the Fermilab Tevatron, in the middle of a otherwise anonymous store. The CDF detector is taking good data, and the shift crew in the control room take care of the usual business- a look at the colourful moni ...

Article - Tommaso Dorigo - Nov 14 2013 - 11:12pm

The Plot Of The Week- Higgs Width

In a paper appeared a few days ago on the Cornell Arxiv Campbell, Ellis and Williams discuss how the LHC experiments have a chance to obtain information on the Higgs boson width by studying four-lepton events at masses much above the 126 GeV region where t ...

Article - Tommaso Dorigo - Nov 19 2013 - 6:29am

First Functioning Touchable Quantum Model: Many-Worlds For High School

I may today perhaps make the boldest claim I ever made, at least many will think so, and I am not known for my humbleness (though I should be – how many established scientists do see themselves as merely a perverted, psychopathic robot?): The world’s firs ...

Article - Sascha Vongehr - Nov 23 2013 - 12:32am

A Search For Excited Top Quarks In CMS Data

The top quark is the most massive elementary particle that we have so far discovered at particle accelerators. One usually describes this by saying that the top mass is about 185 times larger than the mass of a whole proton; but since the proton is a compo ...

Blog Post - Tommaso Dorigo - Nov 24 2013 - 11:50am

A Scalar Gravity Coupling Model That Bends Light

Classical gravity is not good enough.  As a first step, one must think about groups since that is the foundation of the Standard Model of physics. ...

Blog Post - Doug Sweetser - Dec 11 2013 - 6:24am

The Quote Of The Week- Philip Anderson, Against HEP

"We haven't the foggiest idea what drives the new high-temperature superconductors, or what makes a snowflake, or how the mind or the economy works. What is more, nothing high energy physics can do will ever be of the slightest direct help in so ...

Blog Post - Tommaso Dorigo - Nov 29 2013 - 8:55am

The Hunt For The Higgs

Last Tuesday I was in Mantova, a pleasant little town in northern Italy, rich of monuments and treasures like the Palazzo Ducale,  which hosts a vast collection of paintings and frescoes from reinassance artists. But I was not there for a private visit; I ...

Article - Tommaso Dorigo - Dec 2 2013 - 5:56am