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ASACUSA Experiment
Atomic Spectroscopy and Collisions Using Slow Antiprotons (ASACUSA), AD-3, is an experiment at the Antiproton Decelerator (AD) at CERN. The experiment was proposed in 1997, started collecting data in 2002 by using the antiprotons beams from the AD, and will continue in future under the AD and ELENA decelerator facility. ASACUSA physics ASACUSA collaboration is testing for CPT-symmetry by laser spectroscopy of antiprotonic helium and microwave spectroscopy of the hyperfine structure of antihydrogen. It compares matter and antimatter using antihydrogen and antiprotonic helium and looks into matter-antimatter collisions. It also measures atomic and nuclear cross-sections of antiprotons on various targets at extremely low energies. In 2020 ASACUSA in collaboration with the Paul Scherrer Institut (PSI) reported spectral measurements of long lived pionic helium. In 2022 ASACUSA reported spectral measurements of antiprotonic helium suspended in gaseous and liquid ( He-I and He- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antiproton Decelerator
The Antiproton Decelerator (AD) is a storage ring at the CERN laboratory near Geneva. It was built from the Antiproton Collector (AC) to be a successor to the Low Energy Antiproton Ring (LEAR) and started operation in the year 2000. Antiprotons are created by impinging a proton beam from the Proton Synchrotron on a metal target. The AD decelerates the resultant antiprotons to an energy of 5.3 MeV, which are then ejected to one of several connected experiments. The major goals of experiments at AD are to spectroscopically observe the antihydrogen and to study the effects of gravity on antimatter. Though each experiment at AD has varied aims ranging from testing antimatter for cancer therapy to CPT symmetry and antigravity research. History From 1982 to 1996, CERN operated the Low Energy Antiproton Ring (LEAR), through which several experiments with slow-moving antiprotons were carried out. During the end stages of LEAR, the physics community involved in those antimatter ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio-frequency Quadrupole
A radio-frequency quadrupole (RFQ) is a linear accelerator component generally used at low beam energies, roughly 2keV to 3MeV. It is similar in layout to a quadrupole mass analyser but its purpose is to accelerate a single-species beam (a beam of one particular type of particle) rather than perform mass spectrometry on a multiple-species beam. As charged particles are accelerated along the beam line they alternately experience electric fields in two axes at right angles to the direction of motion, offset in phase, such that there is always a forwards force in the beam direction (Z), plus a beam focussing action alternately in X and then in Y. This is achieved by exciting 4 electrodes that run the length of the accelerator, and are shaped to have a periodically varying gap that matches the RF frequency to the beam velocity at that point in the accelerator. This causes the particles to form bunches in step with the exciting frequency, such that they pass through each region as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ATRAP Experiment
__FORCETOC__ The Antihydrogen Trap (ATRAP) collaboration at the Antiproton Decelerator facility at CERN, Geneva, is responsible for the AD-2 experiment. It is a continuation of the TRAP collaboration, which started taking data for the PS196 experiment in 1985. The TRAP experiment (PS196) pioneered cold antiprotons, cold positrons, and first made the ingredients of cold antihydrogen to interact. Later ATRAP members pioneered accurate hydrogen spectroscopy and observed the first hot antihydrogen atoms. Experimental setup ATRAP is a collaboration between physicists around the world with the goal of creating and experimenting with antihydrogen. ATRAP accumulates positrons emitted from a radioactive 22Na source. There are two effective ways to slow down the fast positrons by inelastic processes. The ATRAP collaboration initially chose a different method to ATHENA (AD-1). Slowing down and trapping positron The positrons which were emitted by the 22Na were first slowed down with a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aarhus University
Aarhus University ( da, Aarhus Universitet, abbreviated AU) is a public research university with its main campus located in Aarhus, Denmark. It is the second largest and second oldest university in Denmark. The university is part of the Coimbra Group, the Guild, and Utrecht Network of European universities and is a member of the European University Association. The university was founded in Aarhus, Denmark, in 1928 and comprises five faculties in Arts, Natural Sciences, Technical Sciences, Health, and Business and Social Sciences and has a total of twenty-seven departments. It is home to over thirty internationally recognised research centres, including fifteen centres of excellence funded by the Danish National Research Foundation. The university has been ranked among the top 100 world's best universities. ''Times Higher Education'' ranks Aarhus University in the top 10 of the most beautiful universities in Europe (2018). The university's alumni include Bjarne Stroustrup, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tokyo University Of Science
, formerly "Science University of Tokyo" or TUS, informally or simply is a private research university located in Shinjuku, Tokyo, Japan. History Tokyo University of Science was founded in 1881 as The Tokyo Academy of Physics by 21 graduates of the Department of Physics in the Faculty of Science, University of Tokyo (then the Imperial University). In 1883, it was renamed the Tokyo College of Science, and in 1949, it attained university status and became the Tokyo University of Science. The leading character appearing in Japanese novelist Soseki Natsume's novel Botchan graduated from Tokyo University of Science. , it is the only private university in Japan that has produced a Nobel Prize winner and the only private university in Asia to produce Nobel Prize winners within the natural sciences field. Academic rankings Global university rankings Academic Ranking of World Universities ranked Tokyo University of Science in equal 13th place in Japan. Graduate school rankings E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Insubria
The University of Insubria ( it, Università degli Studi dell'Insubria) is an Italian university located in Como and Varese, with secondary locations in Busto Arsizio and Saronno. It was founded in 1998, it has been named after the area where it is situated, the historical-geographical region of Insubria. According to the ranking made by Il Sole 24 Ore in 2011, the University of Insubria places itself 16th out of the 58 state-supported Italian universities; third in Lombardy after Politecnico di Milano and University of Pavia. The Faculty of Law in Como has passed from the 9th to the 6th place in the CENSIS 2010/2011 Faculty of Law table. In 2013 the Faculty of Law was ranked 7th place nationally, with a rating of "AAA", within the list drawn up by the "Great University Guide" prepared by the newspaper La Repubblica, in collaboration with Censis (was in 4th place in 2011 and the 6th place in 2010). History and profile The University of Insubria, which includes two main sites, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Milan
The University of Milan ( it, Università degli Studi di Milano; la, Universitas Studiorum Mediolanensis), known colloquially as UniMi or Statale, is a public research university in Milan, Italy. It is one of the largest universities in Europe, with about 60,000 students, and a permanent teaching and research staff of about 2,000. The University of Milan has ten schools and offers 140 undergraduate and graduate degree programmes, 32 Doctoral Schools and 65+ Specialization Schools. The University's research and teaching activities have grown over the years and have received important international recognitions. The University is the only Italian member of the League of European Research Universities (LERU), a group of twenty-one research-intensive European Universities. It consistently ranks as first university in Italy ( ARWU) sharing the place with University of Pisa and Sapienza University of Rome, and is also one of the best universities of Italy, both overall and in specif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Tokyo
, abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by the Japanese government. UTokyo has 10 faculties, 15 graduate schools and enrolls about 30,000 students, about 4,200 of whom are international students. In particular, the number of privately funded international students, who account for more than 80%, has increased 1.75 times in the 10 years since 2010, and the university is focusing on supporting international students. Its five campuses are in Hongō, Komaba, Kashiwa, Shirokane and Nakano. It is considered to be the most selective and prestigious university in Japan. As of 2021, University of Tokyo's alumni, faculty members and researchers include seventeen prime ministers, 18 Nobel Prize laureates, four Pritzker Prize laureates, five astronauts, and a Fields Medalist. Hist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Max-Planck-Institut Für Quantenoptik
The Max-Planck-Institute of Quantum Optics (abbreviation: MPQ; german: Max-Planck-Institut für Quantenoptik) is a part of the Max Planck Society which operates 87 research facilities in Germany. The institute is located in Garching, Germany, which in turn is located 10 km north-east of Munich. Five research groups work in the fields of attosecond physics, laser physics, quantum information theory, laser spectroscopy, quantum dynamics and quantum many body systems. Structure Divisions * Attosecond physics ( Ferenc Krausz) * Laser spectroscopy (Theodor W. Hänsch) * Quantum dynamics (Gerhard Rempe) * Quantum many body systems ( Immanuel Bloch) * Theory ( Juan Ignacio Cirac Sasturain) Research groups * RyD-QMB, Rydberg Dressed Quantum Many-Body Systems (Christian Groß) * Antimatter spectroscopy (Masaki Hori) * Otto Hahn Group Quantum Networks (Andreas Reiserer) * Theory of Quantum Matter (Richard Schmidt) * Entanglement of Complex Quantum Systems (Norbert Schu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hiroshima University
is a Japanese national university located in Higashihiroshima and Hiroshima, Japan. Established in 1929, it was chartered as a university in 1949 following the merge of a number of national educational institutions. History Under the National School Establishment Law, Hiroshima University was established on May 31, 1949. After World War II, the school system in Japan was entirely reformed and each of the institutions of higher education under the pre-war system was reorganized. As a general rule, one national university was established in each prefecture, and Hiroshima University became a national university under the new system by combining the pre-war higher educational institutions in Hiroshima Prefecture. The following eight schools were integrated or merged into Hiroshima University under the new system of education. * * - also translated "Hiroshima School of Secondary Education" * - also translated "Hiroshima Women's School of Secondary Education" * * - also trans ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polytechnic University Of Milan
The Polytechnic University of Milan () is the largest technical university in Italy, with about 42,000 students. The university offers undergraduate, graduate and higher education courses in engineering, architecture and design. Founded in 1863, it is the oldest university in Milan. The Polytechnic University of Milan has two main campuses in the city of Milan, Italy, where the majority of the research and teaching activities are located, as well as other satellite campuses in five other cities across the Lombardy and Emilia-Romagna regions. The central offices and headquarters are located in the historical campus of Città Studi in Milan, which is also the largest, active since 1927. According to the QS World University Rankings for the subject area 'Engineering & Technology', it ranked in 2022 as the 13th best in the world. It ranked 6th worldwide for Design, 9th for Civil and Structural Engineering, 9th for Mechanical, Aerospace Engineering and 7th for Architecture. Its no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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