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Showing 1 to 20 of 44 for “"FISICA NUCLEARE E SUBNUCLEARE"”.
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Isospin dependence of the Ar+Ni fusion-evaporation cross section
The fundamental goal of this thesis is the determination of the isospin dependence of the Ar+Ni fusion-evaporation cross section. Three Ar isotope beams, with energies of about 13AMeV, have been accelerated and impinged onto isotopically enriched Ni targets, in order to produce Pd nuclei, with mass …
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The Time-Of-Flight detector of ALICE at LHC: construction, test and commissioning with cosmic rays
The Time-Of-Flight (TOF) detector of ALICE is designed to identify charged particles produced in Pb--Pb collisions at the LHC to address the physics of strongly-interacting matter and the Quark-Gluon Plasma (QGP). The detector is based on the Multigap Resistive Plate Chamber (MRPC) technology which …
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Pattern recognition analysis on heavy ion reaction data
One of the problems in the analysis of nucleus-nucleus collisions is to get information on the value of the impact parameter b. This work consists in the application of pattern recognition techniques aimed at associating values of b to groups of events. To this end, a support vec- tor machine (SVM) …
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MEASUREMENT OF BRANCHING FRACTIONS OF B DECAYS TO K_1(1270) PI AND K_1(1400) PI AND DETERMINATION OF THE CKM ANGLE ALPHA FROM B0 --> A_1(1260)+/- PI-/+
This dissertation reports the measurement of the branching fractions of neutral and charged B meson decays to final states containing a K_1(1270) or K_1(1400) meson and a charged pion. The data, collected with the BaBar detector at the SLAC National Accelerator Laboratory, correspond to 454 million …
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MISSING TRANSVERSE ENERGY MEASUREMENT IN ATLAS DETECTOR:FIRST LHC DATA RESULTS AND IMPORTANCE FOR PHYSICS STUDY
The Large Hadron Collider (LHC) at CERN started its operation at the end of November 2009, first at a centre-of-mass energy of 900 GeV, then, since March 2010, at 7 TeV. During this period the ATLAS experiment has collected a large number of proton-proton collision events, resulting up to now in an …
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BETA DECAY STUDIES AS A TOOL TO INVESTIGATE NUCLEAR STRUCTURE IN THE N-RICH PO-FR REGION AND IN P-RICH CD ISOTOPES
Beta decay is the most common form of radioactive decay, occurring in isotopes of all known elements along the nuclear chart. This makes it a formidable tool to probe the internal structure of nuclei both on the proton- and neutron-rich exotic nuclei, at the limit of the existence of the nucleus. …
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