download report - Sapienza
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Scientific Report 2007-2009<br />
Particle physics<br />
Particle Physics<br />
1 Particle Physics<br />
Particle and Astroparticle Physics aim to give an answer to the most fundamental questions Nature<br />
has presented to us:<br />
• does the Higgs Boson exist ?<br />
• is there New Physics at the TeV scale ?<br />
• how has the matter-antimatter asymmetry been generated ?<br />
In connection with these questions there are other fundamental pieces missing:<br />
• what is the Dark Matter ?<br />
• is the neutrino a Dirac or a Majorana particle ?<br />
• is CP violated in the neutrino sector and can this be the origin of the matter dominated<br />
universe ?<br />
A comprehensive answer to these fundamental questions requires studies in<br />
a framework constituted by three interrelated frontiers of particle physics:<br />
the Energy Frontier, the Intensity Frontier<br />
and the Cosmic Frontier.<br />
The experiments performed for this kind of<br />
searches are usually huge and require internationally<br />
coordinated efforts. They are carried<br />
on in large laboratories that offer first class<br />
infrastructure and finally they call for substantial<br />
resources, human and money-wise.<br />
The Physics Department of <strong>Sapienza</strong> University,<br />
one of the largest in Italy, operates in<br />
this field in complete synergy with the Istituto<br />
Nazionale di Fisica Nucleare (INFN) local<br />
unit. The unit with its personnel, infrastructure<br />
and facilities is physically hosted in<br />
the Department buildings. People involved in<br />
High Energy Physics (HEP) experiments here<br />
are (approximately) 42 Faculty, 30 INFN research<br />
staff, 15 engineers and 20 technicians.<br />
Currently we have 10 post-docs and about the<br />
same number of PhD students. Just as an indication,<br />
the budget granted to the research<br />
group in this discipline can be evaluated at<br />
the level of 4.5 MEuro/year.<br />
Although a lot of design, prototyping,<br />
Figure 1: Courtesy of DOE<br />
preparation and even construction is carried<br />
on in the Department most of the experimental activity in the phase of experiment mounting, commissioning<br />
and running is worldwide spread in the main existing laboratories. Given the sizable<br />
dimension of the Department its research personnel is involved in many of the most prestigious<br />
laboratories in the world. We give a list here, associating experiments to laboratories.<br />
<strong>Sapienza</strong> Università di Roma 101 Dipartimento di Fisica