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Leon Max Lederman was an American experimental physicist who received the Nobel Prize in Physics in 1988, along with Melvin Schwartz and Jack Steinberger, for research on neutrinos. He also received the Wolf Prize in Physics in 1982, along with Martin Lewis Perl, for research on quarks and leptons. Lederman was director emeritus of Fermi National Accelerator Laboratory (Fermilab) in Batavia, Illinois. He founded the Illinois Mathematics and Science Academy, in Aurora, Illinois in 1986, where he was resident scholar emeritus from 2012 until his death in 2018.
Fermi National Accelerator Laboratory (Fermilab), located just outside Batavia, Illinois, near Chicago, is a United States Department of Energy national laboratory specializing in high-energy particle physics. Since 2007, Fermilab has been operated by the Fermi Research Alliance (FRA), a joint venture of the University of Chicago, and the Universities Research Association (URA); although in 2023, the Department of Energy (DOE) opened bidding for a new contractor due to concerns about the FRA performance. Fermilab is a part of the Illinois Technology and Research Corridor.
The muon neutrino is an elementary particle which has the symbol
ν
μ and zero electric charge. Together with the muon it forms the second generation of leptons, hence the name muon neutrino. It was discovered in 1962 by Leon Lederman, Melvin Schwartz and Jack Steinberger. The discovery was rewarded with the 1988 Nobel Prize in Physics.
Jack Steinberger was a German-born American physicist noted for his work with neutrinos, the subatomic particles considered to be elementary constituents of matter. He was a recipient of the 1988 Nobel Prize in Physics, along with Leon M. Lederman and Melvin Schwartz, for the discovery of the muon neutrino. Through his career as an experimental particle physicist, he held positions at the University of California, Berkeley, Columbia University (1950–68), and the CERN (1968–86). He was also a recipient of the United States National Medal of Science in 1988, and the Matteucci Medal from the Italian Academy of Sciences in 1990.
Neutrino oscillation is a quantum mechanical phenomenon in which a neutrino created with a specific lepton family number can later be measured to have a different lepton family number. The probability of measuring a particular flavor for a neutrino varies between three known states, as it propagates through space.
MiniBooNE is a Cherenkov detector experiment at Fermilab designed to observe neutrino oscillations. A neutrino beam consisting primarily of muon neutrinos is directed at a detector filled with 800 tons of mineral oil and lined with 1,280 photomultiplier tubes. An excess of electron neutrino events in the detector would support the neutrino oscillation interpretation of the LSND result.
Main injector neutrino oscillation search (MINOS) was a particle physics experiment designed to study the phenomena of neutrino oscillations, first discovered by a Super-Kamiokande (Super-K) experiment in 1998. Neutrinos produced by the NuMI beamline at Fermilab near Chicago are observed at two detectors, one very close to where the beam is produced, and another much larger detector 735 km away in northern Minnesota.
The NOνA experiment is a particle physics experiment designed to detect neutrinos in Fermilab's NuMI beam. Intended to be the successor to MINOS, NOνA consists of two detectors, one at Fermilab, and one in northern Minnesota. Neutrinos from NuMI pass through 810 km of Earth to reach the far detector. NOνA's main goal is to observe the oscillation of muon neutrinos to electron neutrinos. The primary physics goals of NOvA are:
Double Chooz was a short-baseline neutrino oscillation experiment in Chooz, France. Its goal was to measure or set a limit on the θ13 mixing angle, a neutrino oscillation parameter responsible for changing electron neutrinos into other neutrinos. The experiment uses reactors of the Chooz Nuclear Power Plant as a neutrino source and measures the flux of neutrinos they receive. To accomplish this, Double Chooz has a set of two detectors situated 400 meters and 1050 meters from the reactors. Double Chooz was a successor to the Chooz experiment; one of its detectors occupies the same site as its predecessor. Until January 2015 all data has been collected using only the far detector. The near detector was completed in September 2014, after construction delays, and started taking data at the beginning of 2015. Both detectors stopped taking data in late December 2017.
The Reactor Experiment for Neutrino Oscillation (RENO) is a short baseline reactor neutrino oscillation experiment in South Korea. The experiment was designed to either measure or set a limit on the neutrino mixing matrix parameter θ13, a parameter responsible for oscillations of electron neutrinos into other neutrino flavours. RENO has two identical detectors, placed at distances of 294 m and 1383 m, that observe electron antineutrinos produced by six reactors at the Hanbit Nuclear Power Plant in Korea.
Antonio Ereditato is an Italian physicist, currently associate researcher at Fermilab, Batavia, USA, and Emeritus professor at the University of Bern, Switzerland, where he has been Director of the Laboratory for High Energy Physics from 2006 to 2020. From 2021 to 2022 he has been Visiting Professor at the Yale University, USA. He carried out research activities in the field of experimental neutrino physics, of weak interactions and strong interactions with experiments conducted at CERN, in Japan, at Fermilab in United States and at the LNGS in Italy. Ereditato has accomplished several R&D studies on particle detectors: wire chambers, calorimeters, time projection chambers, nuclear emulsions, detectors for medical applications.
ICARUS is a physics experiment aimed at studying neutrinos. It was located at the Laboratori Nazionali del Gran Sasso (LNGS) where it started operations in 2010. After completion of its operations there, it was refurbished at CERN for re-use at Fermilab, in the same neutrino beam as the MiniBooNE, MicroBooNE and Short Baseline Near Detector (SBND) experiments. The ICARUS detector was then taken apart for transport and reassembled at Fermilab, where data collection is expected to begin in fall 2021.
Kam-Biu Luk is a professor of physics, with a focus on particle physics, at UC Berkeley and a senior faculty scientist in the Lawrence Berkeley National Laboratory's physics division. Luk has conducted research on neutrino oscillation and CP violation. Luk and his collaborator Yifang Wang were awarded the 2014 Panofsky Prize “for their leadership of the Daya Bay experiment, which produced the first definitive measurement of θ13 angle of the neutrino mixing matrix.” His work on neutrino oscillation also received 2016 Breakthrough Prize in Fundamental Physics shared with other teams. He also received a Doctor of Science honoris causa from the Hong Kong University of Science and Technology in 2016. Luk is a fellow of the American Physical Society, and the American Academy of Arts and Sciences.
The Jiangmen Underground Neutrino Observatory (JUNO) is a medium baseline reactor neutrino experiment under construction at Kaiping, Jiangmen in Guangdong province in Southern China. It aims to determine the neutrino mass hierarchy and perform precision measurements of the Pontecorvo–Maki–Nakagawa–Sakata matrix elements. It will build on the mixing parameter results of many previous experiments. The collaboration was formed in July 2014 and construction began January 10, 2015. The schedule aims to begin taking data in 2023. Funding is provided by the Chinese Academy of Sciences, but the collaboration is international.
Mayly Sánchez is a Venezuelan-born particle physicist who researches at Iowa State University. In 2011, she was awarded the Presidential Early Career Awards for Scientists and Engineers (PECASE), the highest honor given by the United States to scientists who are in the early stages of their research careers, for her contributions to the study of neutrinos and her work in promoting STEM fields to women. In 2013, she was named by the BBC as one of the top ten women scientists in Latin America.
Maury C. Goodman is an American experimental particle physicist at the Argonne National Laboratory. He earned his undergraduate degree at the Massachusetts Institute of Technology (1972) and his PhD (1979) at the University of Illinois, Urbana-Champaign under the supervision of Albert Wattenberg.
Karsten M. Heeger is a German–American physicist and Eugene Higgins Professor of Physics at Yale University, where he also serves as both chair of the Yale Department of Physics and director of Wright Laboratory. His work is primarily in the area of neutrino physics, focusing on the study of neutrino oscillations, neutrino mass, and dark matter.
Janet Marie Conrad is an American experimental physicist, researcher, and professor at MIT studying elementary particle physics. Her work focuses on neutrino properties and the techniques for studying them. In recognition of her efforts, Conrad has been the recipient of several highly prestigious awards during her career, including an Alfred P. Sloan Research Fellow, a Guggenheim Fellow, and the American Physical Society Maria Goeppert-Mayer Award.
Bonnie T. Fleming is an experimental particle physicist who has held leadership roles in several physics experiments and at Fermilab. Since 2022, she has been Fermilab's chief research officer and deputy director for science and technology. She has also served on the faculty of Yale University and the University of Chicago. Fleming is an expert in neutrino physics and liquid argon time projection chamber detector technology.
References
- ↑ "Physics Academic Programs". IIT. Retrieved 2012-10-19.
- ↑ "Double Chooz Collaboration". Double Chooz. Retrieved 2012-10-19.
- ↑ "MINOS Collaboration". MINOS. Retrieved 2012-10-19.
- ↑ "Daya Bay Reactor Neutrino Experiment". Daya Bay Collaboration. Retrieved 2017-04-20.
- ↑ "MicroBooNE". FNAL. Retrieved 2017-04-20.
- ↑ "PROSPECT". Yale. Retrieved 2017-04-20.
- ↑ "MICE Collaboration". MICE. Retrieved 2012-10-19.[ permanent dead link ]
- ↑ Marquard, Bryan (20 January 2008). "Sidney Coleman; Harvard icon taught physics classes with wit" – via The Boston Globe.