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Bjørn Wiik
Bjørn Håvard Wiik (born 13 February 1957 in Bruvik, Norway; died 26 February 1999 in Hamburg, Germany) was a Norwegian elementary particle physicist, noted for his role on the experiment that produced the first experimental evidence for gluons and for his influential role on later accelerator projects. Wiik was director of DESY, in Hamburg, Germany, from 1993 until his death. Biography Bjørn Wiik lived in his home town Bruvik until he finished his physics studies at Germany's Technische Universität Darmstadt. In 1965, he got his doctorate degree there. Two years later he began working at the Stanford Linear Accelerator Center in Menlo Park, California. In 1972, Wiik returned to Germany, to the German Electron Synchrotron (DESY) in Hamburg where, four years later, he was appointed lead scientist. In 1978, Wiik and his collaborators finished using DESY's newly commissioned PETRA electron–positron storage ring to look for hard-gluon bremsstrahlung events that would provide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruvik (municipality)
Bruvik is a former municipality in the old Hordaland county, Norway. The municipality existed from 1870 until its dissolution in 1964. At the time of its dissolution, the municipality covered on both sides of the Veafjorden, the innermost part of the Sørfjorden, including the southeastern part of the island of Osterøy. The administrative centre of the municipality was the village of Bruvik where Bruvik Church is located. History The parish of Haus was established as a municipality on 1 January 1838 (see formannskapsdistrikt law). On 1 January 1870, the northeastern district of Haus (population: 2,062) was separated from Haus to form the new municipality of Bruvik. During the 1960s, there were many municipal mergers across Norway due to the work of the Schei Committee. On 1 January 1964, the municipality of Bruvik was dissolved and its lands were split up as follows: *the area around the village of Bruvik on the island of Osterøy (population: 409) was merged with parts ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paul Söding
Paul Heinrich Söding (born 20 February 1933 in Dresden, Germany) is a German physicist. He is best known for his work in particle physics and as former director of research of the German particle physics lab DESY. Career Paul Söding studied physics at the universities of Hamburg and Munich in Germany. He was the first doctoral student of Willibald Jentschke in Hamburg. In 1964 he received his doctorate from the University of Hamburg. He subsequently did research at the University of California, Berkeley, Cornell University in New York and the European particle physics research lab CERN. In 1969 he became senior scientist at the Deutsches Elektronen-Synchrotron (DESY) in Hamburg. There he and his colleagues at the TASSO detector used the PETRA positron-electron accelerator to observe the first direct evidence of the gluon, the elementary particle that mediates the strong nuclear force. For that discovery, he was awarded together with Bjørn Wiik, Günter Wolf, and Sau La ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norwegian Physicists
Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the two official written forms: **Bokmål, literally "book language", used by 85–90% of the population of Norway **Nynorsk, literally "New Norwegian", used by 10–15% of the population of Norway *The Norwegian Sea Norwegian or may also refer to: Norwegian *Norwegian Air Shuttle, an airline, trading as Norwegian **Norwegian Long Haul, a defunct subsidiary of Norwegian Air Shuttle, flying long-haul flights *Norwegian Air Lines, a former airline, merged with Scandinavian Airlines in 1951 *Norwegian coupling, used for narrow-gauge railways *Norwegian Cruise Line, a cruise line *Norwegian Elkhound, a canine breed. *Norwegian Forest cat, a domestic feline breed *Norwegian Red, a breed of dairy cattle *Norwegian Township, Schuylkill County, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Vaksdal
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1999 Deaths
File:1999 Events Collage.png, From left, clockwise: The funeral procession of King Hussein of Jordan in Amman; the 1999 İzmit earthquake kills over 17,000 people in Turkey; the Columbine High School massacre, one of the first major school shootings in the United States; the Year 2000 problem ("Y2K"), perceived as a major concern in the lead-up to the year 2000; the Millennium Dome opens in London; online music downloading platform Napster is launched, soon a source of online piracy; NASA loses both the Mars Climate Orbiter and the Mars Polar Lander; a destroyed T-55 tank near Prizren during the Kosovo War., 300x300px, thumb rect 0 0 200 200 Death and state funeral of King Hussein rect 200 0 400 200 1999 İzmit earthquake rect 400 0 600 200 Columbine High School massacre rect 0 200 300 400 Kosovo War rect 300 200 600 400 Year 2000 problem rect 0 400 200 600 Mars Climate Orbiter rect 200 400 400 600 Napster rect 400 400 600 600 Millennium Dome 1999 was designated as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1937 Births
Events January * January 1 – Anastasio Somoza García becomes President of Nicaragua. * January 5 – Water levels begin to rise in the Ohio River in the United States, leading to the Ohio River flood of 1937, which continues into February, leaving 1 million people homeless and 385 people dead. * January 15 – Spanish Civil War: Second Battle of the Corunna Road ends inconclusively. * January 20 – Second inauguration of Franklin D. Roosevelt: Franklin D. Roosevelt is sworn in for a second term as President of the United States. This is the first time that the United States presidential inauguration occurs on this date; the change is due to the ratification in 1933 of the Twentieth Amendment to the United States Constitution. * January 23 – Moscow Trials: Trial of the Anti-Soviet Trotskyist Center – In the Soviet Union 17 leading Communists go on trial, accused of participating in a plot led by Leon Trotsky to overthrow Joseph Stalin's regime, and assas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellow Of The American Physical Society
The American Physical Society honors members with the designation ''Fellow'' for having made significant accomplishments to the field of physics. The following lists are divided chronologically by the year of designation. * List of American Physical Society Fellows (1921–1971) * List of American Physical Society Fellows (1972–1997) * List of American Physical Society Fellows (1998–2010) * List of American Physical Society Fellows (2011–) The American Physical Society honors members with the designation ''Fellow'' for having made significant accomplishments to the field of physics. The following list includes those fellows selected since 2011. 2011 * Nikolaus Adams * Claudia ... References {{reflist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CERN
The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in a northwestern suburb of Geneva, on the France–Switzerland border. It comprises 23 member states, and Israel (admitted in 2013) is currently the only non-European country holding full membership. CERN is an official United Nations General Assembly observer. The acronym CERN is also used to refer to the laboratory; in 2019, it had 2,660 scientific, technical, and administrative staff members, and hosted about 12,400 users from institutions in more than 70 countries. In 2016, CERN generated 49 petabytes of data. CERN's main function is to provide the particle accelerators and other infrastructure needed for high-energy physics research — consequently, numerous experiments have been constructed at CERN through international collaborations. CERN is the site of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Super Proton Synchrotron
The Super Proton Synchrotron (SPS) is a particle accelerator of the synchrotron type at CERN. It is housed in a circular tunnel, in circumference, straddling the border of France and Switzerland near Geneva, Switzerland. History The SPS was designed by a team led by John Adams, director-general of what was then known as Laboratory II. Originally specified as a 300 GeV accelerator, the SPS was actually built to be capable of 400 GeV, an operating energy it achieved on the official commissioning date of 17 June 1976. However, by that time, this energy had been exceeded by Fermilab, which reached an energy of 500 GeV on 14 May of that year. The SPS has been used to accelerate protons and antiprotons, electrons and positrons (for use as the injector for the Large Electron–Positron Collider (LEP)), and heavy ions. From 1981 to 1991, the SPS operated as a hadron (more precisely, proton–antiproton) collider (as such it was called SpS), when its beams provided the data ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hadron Elektron Ring Anlage
HERA (german: Hadron-Elektron-Ringanlage, en, Hadron-Electron Ring Accelerator) was a particle accelerator at DESY in Hamburg. It began operating in 1992. At HERA, electrons or positrons were collided with protons at a center of mass energy of 318 GeV. It was the only lepton- proton collider in the world while operating. Also, it was on the energy frontier in certain regions of the kinematic range. HERA was closed down on 30 June 2007. The HERA tunnel is located under the DESY site and the nearby Volkspark around 15 to 30 m underground and has a circumference of 6.3 km. Leptons and protons were stored in two independent storage rings on top of each other inside this tunnel. There are four interaction regions, which were used by the experiments '' H1'', ''ZEUS'', ''HERMES'' and '' HERA-B''. All these experiments were particle detectors. Leptons (electrons or positrons) were pre-accelerated to 450 MeV in the linear accelerator ''LINAC-II''. From there they were inje ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrons
The electron ( or ) is a subatomic particle with a negative one elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron's mass is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum ( spin) of a half-integer value, expressed in units of the reduced Planck constant, . Being fermions, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. Like all elementary particles, electrons exhibit properties of both particles and waves: They can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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