Professor Lorenzon works in unpolarized and polarized hadronic physics as a member of the Seaquest collaboration at Fermilab, and as the Spokesperson for the approved polarized Drell-Yan experiment at Fermilab. He has served as a Deputy Spokesman for HERMES from 1997-1998. For the Seaquest experiment, he has built the cryogenic targets and is studying the antiquark distribution in the nucleon sea to gain a better understanding of the model that describes nucleons. He has just recently received Stage 1 approval for the polarized Drell-Yan experiment (polDY) at Fermilab to study a fundamental prediction of QCD. polDY is expected to run shortly after SeaQuest has finished data collection in late 2015.
He is involved in the PandaX project in China designed to search for Dark Matter using liquid xenon detectors. PandaX is a very ambitious project to construct and operate the first ton-scale detector to search for these elusive particles. It is located in the newly constructed JinPing underground laboratory in southern China. With an overburden of 7,500 m.w.e. of solid marble it is the deepest, most radiopure facility of its kind in the world. PandaX will explore the dark matter frontier on two fronts; the low mass, low nuclear recoil threshold regime and the high mass, high sensitivity regime. The first stage of PandaX is in its commissioning stage, with science running expected by the end of 2013. Stage 2 of PandaX is expected to start in 2015.
Furthermore, Professor Lorenzon is also engaged in a measurement to study physics beyond the standard model of elementary particle interactions with the Radon-EDM experiment. One important pursuit is the search for the CP-violating electric dipole moments of heavy atoms, a problem closely related to understanding the apparent cosmological dominance of matter over antimatter. In this work, physics at short range is studied using symmetry and precision measurement techniques accessible with spin polarized systems. Rare isotope, e.g. 223-Rn, are used because large enhancements are expected due to the octupole deformation of the nucleus.
Professor Lorenzon is a Fellow of the American Physical Society.
Precise Determination of the Spin Structure Function g_1 of the Proton, Deuteron, and Neutron, (A. Airapetian et al., HERMES Collaboration), Phys. Rev. D75, 012007 (2007).
Azimuthal Distributions of Charged Hadrons, Pions, and Kaons Produced in Deep-Inelastic Scattering Off Unpolarized Protons and Deuterons, (A. Airapetian et al., HERMES Collaboration), Phys. Rev. D87, 012010 (2013).
Updated Report Acceleration of Polarized Protons to 120-150 GeV/c at Fermilab” (A.D. Krisch, et al), arXiv:1110.3042, [physics.acc-ph].
Polarization and Relaxation Rates of Radon, (E.R. Tardiff et al., RadonEDM collaboration), Phys. Rev. C77052501(R), (2008).