Leonardo Rossi

Research Director in INFN-Genova.

The inverse picobarn threshold has been crossed in ATLAS!

Another milestone has been passed in the long run of ATLAS toward new physics. On Monday August 9, 2010 ATLAS has recorded the first inverse picobarn (pb-1) of 7 TeV collisions. The trend is good and we recently reached the 0.1 pb-1 per day of integrated luminosity (meaning that we can now collect in ~10 days the amount of data we have collected over the last 4 months).

Read more →

A new record run

In the evening of Saturday May 15, we have reached a new peak luminosity record of 6 1028 cm-2s-1

Read more →

One in a Few Millions

ATLAS has been designed to detect rare events in high energy proton-proton collisions. ATLAS ultimate goal is to measure events as rare as one in several thousand billions, but we are modest (for the time being) waiting for the luminosity to rise.

Read more →

Increasing collision rate

Many collisions will be needed to unveil the secrets eventually hidden at the 7 TeV energy regime.

Read more →

First 7 Tev collisions have been recorded in ATLAS

After ramping of the beams to 3.5 TeV and tuning, final checks, and some emotions due to an unforeseen beam dump, the 7 TeV collisions finally appeared on the on-line monitors of the ATLAS Control Room.

Read more →

Big step forward in LHC operation last night

Last night a new very important milestone has been reached by the LHC: two counter-circulating proton beams have been accelerated for the first time to 3.5 TeV, the energy that they should routinely reach in the 2010-2011 running period.

Read more →

More collisions at 2.36 TeV

This early morning Dec.14 at 2.40, after a 8 minutes ramp, the energy of the two LHC beams has been brought up to 1.18 TeV again.

Read more →

ATLAS increases its active channel count by one order of magnitude

On Sunday December 6, 2009 at 8.00 the ATLAS Pixel Detector has measured, for the first time, tracks emerging from LHC collisions. It has been a very smooth start.

Read more →