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Neutrino astronomy is the branch of astronomy that gathers information about astronomical objects by observing and studying neutrinos emitted by them with the help of neutrino detectors in special Earth observatories. It is an emerging field in astroparticle physics providing insights into the high-energy and non-thermal processes in the universe.
John Norris Bahcall was an American astrophysicist and the Richard Black Professor for Astrophysics at the Institute for Advanced Study. He was known for a wide range of contributions to solar, galactic and extragalactic astrophysics, including the solar neutrino problem, the development of the Hubble Space Telescope and for his leadership and development of the Institute for Advanced Study in Princeton.
A solar neutrino is a neutrino originating from nuclear fusion in the Sun's core, and is the most common type of neutrino passing through any source observed on Earth at any particular moment. Neutrinos are elementary particles with extremely small rest mass and a neutral electric charge. They only interact with matter via weak interaction and gravity, making their detection very difficult. This has led to the now-resolved solar neutrino problem. Much is now known about solar neutrinos, but research in this field is ongoing.
Laboratori Nazionali del Gran Sasso (LNGS) is the largest underground research center in the world. Situated below Gran Sasso mountain in Italy, it is well known for particle physics research by the INFN. In addition to a surface portion of the laboratory, there are extensive underground facilities beneath the mountain. The nearest towns are L'Aquila and Teramo. The facility is located about 120 km from Rome.
MACRO was a particle physics experiment located at the Laboratori Nazionali del Gran Sasso in Abruzzo, Italy. MACRO was proposed by 6 scientific institutions in the United States and 6 Italian institutions.
The Istituto Nazionale di Fisica Nucleare is the coordinating institution for nuclear, particle, theoretical and astroparticle physics in Italy.
Astroparticle physics, also called particle astrophysics, is a branch of particle physics that studies elementary particles of astrophysical origin and their relation to astrophysics and cosmology. It is a relatively new field of research emerging at the intersection of particle physics, astronomy, astrophysics, detector physics, relativity, solid state physics, and cosmology. Partly motivated by the discovery of neutrino oscillation, the field has undergone rapid development, both theoretically and experimentally, since the early 2000s.
The Gran Sasso Tunnel is part of the A24 Motorway that links Rome and the Adriatic Sea via L'Aquila and Teramo, through the Apennine Mountains via the Gran Sasso in Abruzzo.
ASPERA is a network of national government agencies responsible for coordinating and funding national research efforts in astroparticle physics.
GALLEX or Gallium Experiment was a radiochemical neutrino detection experiment that ran between 1991 and 1997 at the Laboratori Nazionali del Gran Sasso (LNGS). This project was performed by an international collaboration of French, German, Italian, Israeli, Polish and American scientists led by the Max-Planck-Institut für Kernphysik Heidelberg. After brief interruption, the experiment was continued under a new name GNO from May 1998 to April 2003.
Borexino is a deep underground particle physics experiment to study low energy (sub-MeV) solar neutrinos. The detector is the world's most radio-pure liquid scintillator calorimeter and is protected by 3,800 meters of water-equivalent depth. The scintillator is pseudocumene and PPO which is held in place by a thin nylon sphere. It is placed within a stainless steel sphere which holds the photomultiplier tubes (PMTs) used as signal detectors and is shielded by a water tank to protect it against external radiation. Outward pointing PMT's look for any outward facing light flashes to tag incoming cosmic muons that manage to penetrate the overburden of the mountain above. Neutrino energy can be determined through the number of photoelectrons measured in the PMT's. While the position can be determined by extrapolating the difference in arrival times of photons at PMT's throughout the chamber.
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.
Ramanath Cowsik is an Indian astrophysicist and the James S. McDonnell Professor of Space Sciences at Washington University in St. Louis. He is considered by many as the father of astroparticle physics. A recipient of the Shanti Swarup Bhatnagar Prize, Cowsik was honored by the Government of India, in 2002, with the fourth highest Indian civilian award of Padma Shri
The diffuse supernova neutrino background(DSNB) is a theoretical population of neutrinos (and anti-neutrinos) cumulatively originating from all core-collapse supernovae events throughout the history of the universe. Though it has not yet been directly detected, the DSNB is theorized to be isotropic and consists of neutrinos with typical energies on the scale of 107 eV. Current detection efforts are limited by the influence of background noise in the search for DSNB neutrinos and are therefore limited to placing limits on the parameters of the DSNB, namely the neutrino flux. Restrictions on these parameters have gotten more strict in recent years, but many researchers are looking to make direct observations in the near future with next generation detectors. The DSNB is not to be confused with the cosmic neutrino background (CNB), which is comprised by relic neutrinos that were produced during the Big Bang and have much lower energies (10−4 to 10−6 eV).
Ettore Fiorini was an Italian experimental particle physicist. He studied the physics of the weak interaction and was a pioneer in the field of double beta decay. He served as a professor of nuclear and subnuclear physics at the University of Milano-Bicocca.
Angela Villela Olinto is an American astroparticle physicist who is the provost of Columbia University. Previously, she served as the Albert A. Michelson Distinguished Service Professor at the University of Chicago as well as the dean of the Physical Sciences Division. Her current work is focused on understanding the origin of high-energy cosmic rays, gamma rays, and neutrinos.
Mildred Widgoff was an American experimental particle physicist and astroparticle physicist who became the first female faculty member at the Brown University physics department.
Kate Scholberg is a Canadian and American neutrino physicist whose research has included experimental studies of neutrino oscillation and the detection of supernovae. She is currently the Arts & Sciences Distinguished Professor of Physics and Bass Fellow at Duke University.
Jocelyn Monroe is an American British experimental particle physicist who is a professor at the University of Oxford. Her research considers the development of novel detectors as part of the search for dark matter. In 2016 she was honoured with the Breakthrough Prize in Fundamental Physics for her work on the Sudbury Neutrino Observatory.
Stefan Funk is a German astroparticle physicist. He is a professor at the Erlangen Centre for Astroparticle Physics at the FAU Erlangen-Nuernberg in Germany and an elected a fellow of the American Physical Society.
References
- 1 2 3 4 Curriculum vitae (PDF), University of Wisconsin, retrieved 2022-04-13
- ↑ "Prof. Teresa MONTARULI", Members, Particle physics department, University of Geneva, retrieved 2022-04-13
- ↑ "Teresa Montaruli", ORCiD, retrieved 2022-04-13
- ↑ Teresa Montaruli, REINFORCE: Research Infrastructures for Citizens in Europe, retrieved 2022-04-13
- ↑ "In Brief", Physics Today, 54 (10): 86, October 2001, Bibcode:2001PhT....54j..86., doi:10.1063/1.1420567
- ↑ "Fellows nominated in 2009 by the Division of Astrophysics", APS Fellows archive, retrieved 2022-04-13
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