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Masatoshi Koshiba
was a Japanese physicist and one of the founders of neutrino astronomy. His work with the neutrino detectors Kamiokande and Super-Kamiokande was instrumental in detecting solar neutrinos, providing experimental evidence for the solar neutrino problem. Koshiba won the Nobel Prize in Physics in 2002 (jointly with Raymond Davis Jr.) "for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos". He was a senior counselor at the International Center for Elementary Particle Physics (ICEPP) and professor at the University of Tokyo. Early life Koshiba was born in Toyohashi in central Japan on September 19, 1926, to Toshio and Hayako Koshiba. His father was a military officer. His mother died when he was three, leading to his father marrying his wife's elder sister. He grew up in Yokosuka, and completed his high school in Tokyo. It is mentioned that his initial interest was in studying German literature, but, ended up studying physics, spurred b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyohashi
is a city in Aichi Prefecture, Japan. , the city had an estimated population of 377,453 in 160,516 households and a population density of 1,400 persons per km2. The total area of the city was . By area, Toyohashi was Aichi Prefecture's second-largest city until March 31, 2005 when it was surpassed by the city of Toyota, which had merged with six peripheral municipalities. Geography Toyohashi is located in southeastern Aichi Prefecture, and is the capital of the informal "Higashi-Mikawa Region" of the prefecture. It is bordered by Shizuoka Prefecture to the east, and by Mikawa Bay and the headlands of the Atsumi Peninsula to the west. To the south is the Enshu Bay of the Pacific Ocean. The presence of the warm Kuroshio Current offshore gives the city a temperate climate. The in Toyohashi is a sea turtle nesting spot. Climate The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification ''Cfa''). The average annual te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nobel Prize In Physics
) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "MDCCCXXXIII" above, followed by (smaller) "OB•" then "MDCCCXCVI" below. , awarded_for = Outstanding contributions for humankind in the field of Physics , presenter = Royal Swedish Academy of Sciences , location = Stockholm, Sweden , date = , reward = 9 million Swedish kronor (2017) , year = 1901 , holder_label = Most recently awarded to , holder = Alain Aspect, John Clauser, and Anton Zeilinger , most_awards = John Bardeen (2) , website nobelprize.org, previous = 2021 , year2=2022, main=2022, next=2023 The Nobel Prize in Physics is a yearly award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions for humankind in the field of physics. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Masatoshi Koshiba And Junichiro Koizumi 20030827
Masatoshi (written: , , , , , , , , , , , , or ) is a masculine Japanese given name. Notable people with the name include: *, Japanese politician *, Japanese film director *, Japanese politician *, Japanese comedian *, Japanese samurai *, Japanese ''daimyō'' *, Japanese cyclist *, Japanese samurai and ''daimyō'' * Masatoshi Ishida (other), multiple people *, Japanese businessman *, Japanese manga artist *, Japanese physicist *, Japanese footballer *, Japanese politician *, Japanese guitarist *, Japanese footballer *, Japanese footballer *, Japanese footballer *, Japanese diplomat *, Japanese actor *Masatoshi Nagatomi Masatoshi Nagatomi (September 1, 1926 – June 3, 2000) was Japanese professor of Buddhist studies at Harvard University. He was also known by his nickname "Mas." Nagatomi is remembered for introducing the term ''Nikaya Buddhism'' as a replacement ... (1926–2000), Japanese professor of Buddhist studies at Harvard University *, Japanese photographer *, Ja ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Masatoshi Koshiba Junichiro Koizumi And Koichi Tanaka 20021011
Masatoshi (written: , , , , , , , , , , , , or ) is a masculine Japanese given name. Notable people with the name include: *, Japanese politician *, Japanese film director *, Japanese politician *, Japanese comedian *, Japanese samurai *, Japanese ''daimyō'' *, Japanese cyclist *, Japanese samurai and ''daimyō'' * Masatoshi Ishida (other), multiple people *, Japanese businessman *, Japanese manga artist *, Japanese physicist *, Japanese footballer *, Japanese politician *, Japanese guitarist *, Japanese footballer *, Japanese footballer *, Japanese footballer *, Japanese diplomat *, Japanese actor *Masatoshi Nagatomi Masatoshi Nagatomi (September 1, 1926 – June 3, 2000) was Japanese professor of Buddhist studies at Harvard University. He was also known by his nickname "Mas." Nagatomi is remembered for introducing the term ''Nikaya Buddhism'' as a replacement ... (1926–2000), Japanese professor of Buddhist studies at Harvard University *, Japanese photographer *, Ja ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Literature
German literature () comprises those literature, literary texts written in the German language. This includes literature written in Germany, Austria, the German parts of Switzerland and Belgium, Liechtenstein, Luxembourg, South Tyrol in Italy and to a lesser extent works of the German diaspora. German literature of the modern period is mostly in Standard German, but there are some currents of literature influenced to a greater or lesser degree by German dialects, dialects (e.g. Alemannic literature, Alemannic). Medieval German literature is literature written in Germany, stretching from the Carolingian dynasty; various dates have been given for the end of the German literary Middle Ages, the Protestant Reformation, Reformation (1517) being the last possible cut-off point. The Old High German period is reckoned to run until about the mid-11th century; the most famous works are the ''Hildebrandslied'' and a heroic epic known as the ''Heliand''. Middle High German starts in the 12t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yokosuka
is a city in Kanagawa Prefecture, Japan. , the city has a population of 409,478, and a population density of . The total area is . Yokosuka is the 11th most populous city in the Greater Tokyo Area, and the 12th in the Kantō region. The city is host to United States Fleet Activities Yokosuka. Geography Yokosuka occupies most of Miura Peninsula, and is bordered by the mouth of Tokyo Bay to the east and Sagami Bay on the Pacific Ocean on the west. Surrounding municipalities * Kanazawa-ku, Yokohama * Miura * Hayama * Zushi History Pre-modern period Archaeologists have found stone tools and shell middens from the Japanese Paleolithic period and ceramic shards from the Jōmon and Kofun periods at numerous locations in the area. During the Heian period, local warlord Muraoka Tamemichi established Kinugasa Castle in 1063. He became the ancestor of the Miura clan, which subsequently dominated eastern Sagami Province for the next several hundred years. The Miura clan supported ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Professor
Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors are usually experts in their field and teachers of the highest rank. In most systems of List of academic ranks, academic ranks, "professor" as an unqualified title refers only to the most senior academic position, sometimes informally known as "full professor". In some countries and institutions, the word "professor" is also used in titles of lower ranks such as associate professor and assistant professor; this is particularly the case in the United States, where the unqualified word is also used colloquially to refer to associate and assistant professors as well. This usage would be considered incorrect among other academic communities. However, the otherwise unqualified title "Professor" designated with a capital let ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Center For Elementary Particle Physics
The is a division of the University of Tokyo, Japan dedicated to the study of particle physics. The ICEPP is located on the 10th floor of the Faculty of Science Building #1 at the 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 .... External links * http://www.icepp.s.u-tokyo.ac.jp/icepp-e.html University departments in Japan University of Tokyo {{tokyo-university-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raymond Davis Jr
Raymond is a male given name. It was borrowed into English from French (older French spellings were Reimund and Raimund, whereas the modern English and French spellings are identical). It originated as the Germanic ᚱᚨᚷᛁᚾᛗᚢᚾᛞ (''Raginmund'') or ᚱᛖᚷᛁᚾᛗᚢᚾᛞ (''Reginmund''). ''Ragin'' (Gothic) and ''regin'' (Old German) meant "counsel". The Old High German ''mund'' originally meant "hand", but came to mean "protection". This etymology suggests that the name originated in the Early Middle Ages, possibly from Latin. Alternatively, the name can also be derived from Germanic Hraidmund, the first element being ''Hraid'', possibly meaning "fame" (compare ''Hrod'', found in names such as Robert, Roderick, Rudolph, Roland, Rodney and Roger) and ''mund'' meaning "protector". Despite the German and French origins of the English name, some of its early uses in English documents appear in Latinized form. As a surname, its first recorded appearance in Br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Neutrino Problem
The solar neutrino problem concerned a large discrepancy between the flux of solar neutrinos as predicted from the Sun's luminosity and as measured directly. The discrepancy was first observed in the mid-1960s and was resolved around 2002. The flux of neutrinos at Earth is several tens of billions per square centimetre per second, mostly from the Sun's core. They are nevertheless hard to detect, because they interact very weakly with matter, traversing the whole Earth. Of the three types ( flavors) of neutrinos known in the Standard Model of particle physics, the Sun produces only electron neutrinos. When neutrino detectors became sensitive enough to measure the flow of electron neutrinos from the Sun, the number detected was much lower than predicted. In various experiments, the number deficit was between one half and two thirds. Particle physicists knew that a mechanism, discussed back in 1957 by Bruno Pontecorvo, could explain the deficit in electron neutrinos. However, they ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Neutrinos
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 the 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 the research in this field is ongoing. History and background Homestake experiment The timeline of solar neutrinos and their discovery dates back to the 1960s, beginning with the two astrophysicists John N. Bahcall and Raymond Davis Jr. The experiment, known as the Homestake experiment, named after the town in which it was conducted (Homestake, South Dakota), aimed to count the solar neutrinos arriving at Earth. Bahcall, using a solar model he developed, came to the conclusion that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Super-Kamiokande
Super-Kamiokande (abbreviation of Super-Kamioka Neutrino Detection Experiment, also abbreviated to Super-K or SK; ja, スーパーカミオカンデ) is a neutrino observatory located under Mount Ikeno near the city of Hida, Gifu Prefecture, Japan. It is located underground in the Mozumi Mine in Hida's Kamioka area. The observatory was designed to detect high-energy neutrinos, to search for proton decay, study solar and atmospheric neutrinos, and keep watch for supernovae in the Milky Way Galaxy. It consists of a cylindrical stainless steel tank about in height and diameter holding 50,000 metric tons (55,000 US tons) of ultrapure water. Mounted on an inside superstructure are about 13,000 photomultiplier tubes that detect light from Cherenkov radiation. A neutrino interaction with the electrons or nuclei of water can produce an electron or positron that moves faster than the speed of light in water, which is slower than the speed of light in a vacuum. This creates a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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