Francis Halzen

2015 Balzan Prize for Astroparticle Physics Including Neutrino and Gamma-ray Observation

For his unparalleled accomplishments which have led to the construction of the large IceCube Neutrino Observatory in the south polar ice, a facility that has opened up a new window into the Universe through the study of cosmological high-energy neutrinos.

Francis Halzen, born in Belgium on 23 March 1944, is a US citizen.
He is currently Hilldale and Gregory Breit Distinguished Professor at the University of Wisconsin-Madison and Director of its Institute for Elementary Particle Physics.
He earned his Master’s degree (1966), his PhD (1969) and his Agrégé de l’Enseignement Supérieur from the Université de Louvain, Belgium.

He is currently the Principal Investigator for the IceCube project, the world’s largest neutrino detector, and has served on various advisory committees, including those for the SNO, Telescope Array and Auger-upgrade experiments, the Max Planck Institutes in Heidelberg and Munich, the ICRR at the University of Tokyo, the US Particle Physics Prioritization Panel and the ApPEC particle astrophysics advisory panel in Europe.
Among his recent honours are the European Physical Society Prize for Particle Astrophysics and Cosmology in 2015; the Smithsonian American Ingenuity Award for Physical Sciences in 2014; the Physics World Breakthrough of the Year Award for making the first observation of cosmic neutrinos, the American Physical Society Highlights of the Year, and the University of Wisconsin Hilldale Award in 2013; and the International Hemholtz Award of the Alexander von Humboldt Foundation in Germany in 2006. He was the International Franqui Professor, VUB-ULB-UGent-UMons-UA-ULg-KULeuven, Belgium (2013-14), and Affiliated Professor at Technical University Munich, Germany (2012), and holds honorary degrees from Ghent University in Belgium (doctor honoris causa, 2013) and Uppsala University (doctor of philosophy honoris causa, 2005). He became a Fellow of the American Physical Society in 1996.

Francis Halzen has a most impressive list of publications among which we would mention:

Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of lceCube DeepCore data (with the lceCube Collaboration), Phys. Rev. D91 072004 (2015).
Search for dark matter annihilations in the Sun with the 79-string lceCube detector (with the lceCube Collaboration), Phys. Rev. Lett. 110, 131302 (2013).
Evidence for high-energy extraterrestrial neutrinos at the lceCube Detector (with the lceCube Collaboration), Science 342 6161 1242856 (2013).
First observation of PeV-energy neutrinos with lceCube (with the lceCube collaboration), Phys. Rev. Lett. 111, 021103 (2013).
An absence of neutrinos associated with cosmic Acceleration in Gamma Ray Bursts (with the lceCube Collaboration), Nature 484, 351 (2012).
Optical properties of deep glacial ice at the South Pole (M. Ackermann, J. Ahrens, X. Bai, M. Bartelt, S.W. Barwick, R.C. Bay, T. Becka, …). Journal of Geophysical Research: Atmospheres (1984-2012) 111 (D13) (2006).
Sensitivity of the lceCube detector to astrophysical sources of high energy muon neutrinos (with the lceCube Collaboration), Astropart. Phys. 20 (5), 507-532 (2004).
Observation of high energy neutrinos with AMANDA (with the AMANDA collaboration), Nature 410, 441 (2001).
Observation of high-energy neutrinos using C? erenkov detectors embedded deep in Antarctic ice (with E. Andres, P. Askebjer, X. Bai, G. Barouch, S.W. Barwick, R.C. Bay, K.H. Becker, … ), Nature 410 (6827), 441-44 (2001).
Tau neutrino appearance with a 1000 megaparsec baseline (with D. Saltzberg), Phys. Rev. Lett. 81, 4305 (1998).
Neutrino fluxes from active galaxies: A model-independent estimate (with E. Zas), Astrophys.J. 488 (2), 669 (1997).
Ultratransparent Antarctic Ice as a supernova detector (with J. Jacobsen and E. Zas), Phys. Rev. D. 53, 7359 (1996).
Particle astrophysics with high-energy neutrinos (with T.K. Gaisser and T. Stanev), Physics Reports 258, 173 (1995).
Electromagnetic pulses from high-energy showers: implications for neutrino
detection (with E. Zas and T. Stanev), Phys. Rev. D 45 (1), 362 (1992).
Observation of muons using the polar ice cap as a Cerenkov detector (with D.M. Lowder, T. Miller, R. Morse, P.B. Price and A. Westphal), Nature 353, 331 (1991).
Delta r beyond one loop (with B. Kniehl), Nucl. Phys. B 353, 567 (1991).
High-energy neutrino detection in deep polar ice (with J.G. Learned), Proceedings of the 5th International Symposium on Very High-Energy Cosmic Ray Interactions, Lodz, Poland (1988).
“Soft” hard scattering in the teraelectronvolt range (with T. Gaisser), Phys. Rev. Lett. 54 (16), 1754 (1985).
“Quark & Leptons: An introductory Course in Modern Particle Physics” (with A.O. Martin), John Wiley & Sons (1983).
Testing QCD in the hadroproduction of real and virtual photons (with D. Scott), Phys. Rev. Lett. 40, 1117 (1978).

For his full cv and bibliography, see:

(October 2015)

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