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Topic: Hideki Yukawa


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In the News (Sat 20 Apr 19)

  
  Hideki Yukawa - Wikipedia, the free encyclopedia
Hideki Yukawa FRSE (湯川 秀樹, January 23, 1907 - September 8, 1981) was a Japanese theoretical physicist and the first Japanese to win the Nobel prize.
Yukawa also predicted K-capture, in which a low energy hydrogen electron could be absorbed by the nucleus.
Yukawa potential, an approximation for the binding force in an atomic nucleus
en.wikipedia.org /wiki/Hideki_Yukawa   (373 words)

  
 Hideki Yukawa and the Pi Mesons
Hideki Yukawa received the Nobel Prize in physics for 1949 for predicting the existence of what are now known as the pi mesons.
In his 1934 article Yukawa argued that the nuclear strong force is carried by a particle with a mass approximately 200 times that of an electron.
Although the potential Yukawa assumes involves an inverse function of distance with an exponential decay with distance it is not precisely the form that gives rise to the exponentially attenuated inverse distance squared form that has the proper form for a particle-based field.
www2.sjsu.edu /faculty/watkins/yukawa.htm   (2081 words)

  
 Hideki Yukawa Biography | World of Physics
Hideki Yukawa was the first citizen of Japan to receive a Nobel Prize, an award given to him in 1949 for his theory of the meson, the subatomic particle that binds the nucleus' protons and neutrons.
Hideki Yukawa was born Hideki Ogawa in Tokyo on January 23, 1907.
Yukawa first announced his theory of the meson at scientific meetings in Osaka and Tokyo in October and November, 1934, and then in the Proceedings of the Physico-Mathematical Society of Japan in February, 1935.
www.bookrags.com /biography/hideki-yukawa-wop   (1078 words)

  
 Hideki Yukawa - Biography
Hideki Yukawa was born in Tokyo, Japan, on 23rd January, 1907, the third son of Takuji Ogawa, who later became Professor of Geology at Kyoto University.
Yukawa was invited as Visiting Professor to the Institute for Advanced Study at Princeton, U.S.A., in 1948, and since July, 1949 he has been Visiting Professor at Columbia University, New York City.
The Imperial Prize of the Japan Academy was awarded to Yukawa in 1940; he received the Decoration of Cultural Merit in 1943, and the crowning award, the Nobel Prize for Physics, in 1949.
nobelprize.org /nobel_prizes/physics/laureates/1949/yukawa-bio.html   (523 words)

  
 Hideki Yukawa
Hideki Yukawa (湯川 秀樹, January 23, 1907 - September 8, 1981) is a Japanese theoretical physicist and the first Japanese who won Nobel prize.
He was born in Tokyo, on January 23, 1907.
He had published many scientific papers and lecture notes, including Introduction to Quantum Mechanics[?] (1946) and Introduction to the Theory of Elementary Particles[?] (1948), both in Japanese.
www.ebroadcast.com.au /lookup/encyclopedia/hi/Hideki_Yukawa.html   (205 words)

  
 Yukawa Hideki - Search Results - ninemsn Encarta
Hideki Yukawa (1907-1981), Japanese physicist and Nobel laureate, noted for his study of nuclear forces.
Anderson was born in New York and educated at the California Institute of...
In 1935 the Japanese physicist Hideki Yukawa developed a theory explaining how a nucleus is held together, despite the mutual repulsion of its...
au.encarta.msn.com /Yukawa_Hideki.html   (93 words)

  
 Hideki Yukawa Biography | Encyclopedia of World Biography
Hideki Yukawa was born in Tokyo on Jan. 23, 1907.
By this time, Yukawa was already immersed in the study of sub-atomic particles that be his focus for the rest of his life.
Quoted in Yukawa's own obituary in The Bulletin of the Atomic Scientists was an excerpt from his graceful epitaph for Einstein: "I feel very strongly that we have to take up his search and striving for world peace," a mission which Yukawa himself took extremely seriously.
www.bookrags.com /biography/hideki-yukawa   (604 words)

  
 General Introduction: Brief History
The history of the Yukawa Institute for Theoretical Physics (former Research Institute for Fundamental Physics) goes back to 1949 when Hideki Yukawa of Kyoto University (then staying at Columbia University) was awarded the first Nobel Prize for a Japanese citizen.
Yukawa was appointed as the first director of the institute and led the institute until his retirement in 1970.
Yukawa Hall is still used for research conferences and workshops organized by the Yukawa Institute besides use for its administrative offices, including Director's, and for the editorial office of the Progress of Theoretical Physics, a journal of theoretical physics founded by Yukawa in 1946.
www2.yukawa.kyoto-u.ac.jp /~youran/history.html   (863 words)

  
 Yukawa Particle   (Site not responding. Last check: 2007-10-11)
In 1935, a Japanese physicist by the name of Hideki Yukawa, predicted that a particle existed which creates the force that holds the nucleons together inside the nucleus.
In 1947, the Yukawa Particle was found and the mass of this particle with a positive or negative charge was about 270X the mass of the electron, which is very close to the predicted number.
However, Hideki Yukawa began elementary particle physics with his prediction in 1935.
www.fordhamprep.com /physics/yukawa.htm   (201 words)

  
 Hadrons, baryons, mesons
The connection between pions and the strong force was proposed by Hideki Yukawa.
Yukawa worked out a potential for the force and predicted its mass based on the uncertainty principle from measurements of the apparent range of the strong force in nuclei.
In 1935, Hideki Yukawa reasoned that the electromagnetic force was infinite in range because the exchange particle was massless.
hyperphysics.phy-astr.gsu.edu /hbase/particles/hadron.html   (1130 words)

  
 AllRefer.com - meson (Physics) - Encyclopedia
The existence of mesons was first predicted in 1935 by Hideki Yukawa, who theorized that they could be responsible for the force holding the nucleus of an atom together.
The particle predicted by Yukawa was the pion, which was not discovered until 1947 by C. Powell and coworkers.
Both the muon and the pion were first observed in secondary cosmic rays, being produced in the upper atmosphere by collisions between primary cosmic rays and the atoms of the atmosphere.
reference.allrefer.com /encyclopedia/M/meson.html   (404 words)

  
 Metanexus Institute
Yukawa (as per a Japanese convention Yukawa's name is from his mother's family) set out to explore the nature of such an exchange particle.
Eventually it was realized that the Yukawa particles, now called pions (or pi mesons) quickly become (decay into) another type of particles (called muons) which is what one actually observed in cosmic rays.
Yukawa received the Nobel Prize for Physics in 1949 for this work which is at the basis of the quantum field theory for the strong interaction.
www.metanexus.net /metanexus_online/show_article2.asp?ID=5318   (1319 words)

  
 Early Cosmic Ray Results
This idea originated with the Japanese physicist Hideki Yukawa in 1935 in an effort to understand the forces between nucleons.
Yukawa hypothesized that the force which holds nucleons together is associated with the exchange of a boson, i.
However, as we shall see, the situation is more complex than Yukawa imagined, and the force between nucleons cannot be so simply treated.
www.physics.nmt.edu /~raymond/classes/ph13xbook/node191.html   (430 words)

  
 Hideki Yukawa   (Site not responding. Last check: 2007-10-11)
He rejoined Kyoto Imperial University as professor of theoretical physics (1939-50), held faculty appointments at the Institute for Advanced Study in Princeton, N.J., U.S., and at Columbia University in New York City, and became director of the Research Institute for Fundamental Physics in Kyoto (1953-70).
In 1935, while a lecturer at Osaka Imperial University, Yukawa proposed a new theory of nuclear forces in which he predicted the existence of mesons, or particles that have masses between those of the electron and the proton.
The discovery of one type of meson among cosmic rays by American physicists in 1937 suddenly established Yukawa's fame as the founder of meson theory, which later became an important part of nuclear and high-energy physics.
physics.nobel.brainparad.com /hideki_yukawa.html   (243 words)

  
 meson — FactMonster.com
The existence of mesons was first predicted in 1935 by Hideki Yukawa, who theorized that they could be responsible for the force holding the
In 1936 a particle was discovered by Carl D. Anderson and Seth Neddermeyer that had a mass close to that predicted for the Yukawa particle.
Hideki Yukawa - Yukawa, Hideki, 1907–81, Japanese physicist, grad.
www.factmonster.com /ce6/sci/A0832854.html   (354 words)

  
 Tojo Hideki - Search Results - MSN Encarta
Tojo Hideki - Search Results - MSN Encarta
Hideki Tojo (1884-1948), Japanese leader during World War II.
The son of an army officer, Tojo was born in Tokyo, and educated at the Imperial...
uk.encarta.msn.com /Tojo_Hideki.html   (108 words)

  
 The Physics evolution
Yukawa took forward ideas on particle physics that were then developed by Gell-Mann
Salam developed Yukawa's ideas in his theories on forces.
Bardeen developed Yukawa's ideas and discoveries in QCD.
www.schoolscience.co.uk /content/4/physics/iop/biogs/biogs7.html   (1864 words)

  
 Discovery of the Muon   (Site not responding. Last check: 2007-10-11)
Before this point the fundamental particles were presumed to be electrons, protons and the (then) newly discovered neutron.
The discovery brought attention to the prediction by Hideki Yukawa in 1935 that an intermediate mass "meson" might be responsible for the nuclear strong force.
It was soon discovered, however, that the muon did not participate in the strong interaction at all.
hyperphysics.phy-astr.gsu.edu /hbase/particles/muonhist.html   (163 words)

  
 [No title]   (Site not responding. Last check: 2007-10-11)
Hideki Yukawa discovered electrons and became the first Japanese to win the Nobel Prize
Yukawa was known worldwide for his contributions to the development of theoretical physics and won the Nobel Prize for physics in 1949.
The existence of electrons in cosmic rays, discovered later by other physicists, were named in his honor as Yukawa Electrons or U-Electrons.
www.peaceuniversalist.com /nobel/Yukawa.htm   (77 words)

  
 Hideki Yukawa Winner of the 1949 Nobel Prize in Physics
Hideki Yukawa Winner of the 1949 Nobel Prize in Physics
Hideki Yukawa — Banquet Speech (submitted by Jennifer Shuber)
Hideki Yukawa (1907-1981), a Japanese physicist (submitted by Jackson)
www.almaz.com /nobel/physics/1949a.html   (118 words)

  
 AllRefer.com - Hideki Yukawa (Physics, Biography) - Encyclopedia
AllRefer.com - Hideki Yukawa (Physics, Biography) - Encyclopedia
Hideki Yukawa[hE´dekE yOOkA´wA] Pronunciation Key, 1907–81, Japanese physicist, grad.
More articles from AllRefer Reference on Hideki Yukawa
reference.allrefer.com /encyclopedia/Y/Yukawa-H.html   (194 words)

  
 Progress of Theoretical Physics Homepage
It was founded by Hideki YUKAWA in 1946.
Now it is published for the Yukawa Institute for Theoretical Physics and the Physical Society of Japan.
This journal publishes mainly the submitted and refereed original papers in all fields of theoretical physics such as particle physics, field theory,nuclear physics, condensed matter physics, statistical physics, astrophysics and cosmology.
www2.yukawa.kyoto-u.ac.jp /~ptpwww   (429 words)

  
 yukawa - OneLook Dictionary Search
We found 5 dictionaries with English definitions that include the word yukawa:
Tip: Click on the first link on a line below to go directly to a page where "yukawa" is defined.
Phrases that include yukawa: hideki yukawa, yukawa hideki, yukawa coupling, yukawa interaction, yukawa meson, more...
www.onelook.com /?w=yukawa   (110 words)

  
 Yukawa Hideki 1907 Papers, 1933-1938. AIP International Catalog of Sources   (Site not responding. Last check: 2007-10-11)
The collection consists of Yukawa's documents on meson theory.
Included are calculations, manuscripts and typescripts of his works; lectures delivered at seminars, colloquiums, and meetings of the Physico-Mathematical Society of Japan, etc.; laboratory diary of his group; and some rejected articles.
Materials of Hideki Yukawa on Meson theory -- List of Compilation.
www.aip.org /history/catalog/icos/455.html   (79 words)

  
 Web Sites Linking to IDEA
As the 43rd entry of its web pages related to the Nobel laureate Hideki Yukawa, the page of "Essay on Feynman 1" ("What Little I Can Talk about Feynman") of IDEA is listed.
The page linked includes the section "A Strange Photo," a story about the photo of Richard Feynman and Hideki Yukawa taken in Kyoto in 1956.
As the 7th entry of its web page related to the philosopher Robert M. Pirsig, the "Book Review 2" page of IDEA is listed.
www.geocities.com /tttabatasakai/linkidea.htm   (313 words)

  
 Physics.org - Physics Evolution Text Version, Page 7   (Site not responding. Last check: 2007-10-11)
However, even now, the two big theories of Quantum Mechanics (for the very small) and Relativity (for the enormous) remain unreconciled.
Hideki Yukawa, physicist - Forces and particles (1907-1981)
Sir Fred Hoyle, cosmologist - Gave us the 'Big Bang' - a theory he reviled (1915- 2001)
www.physics.org /evolution/physics_evolution_text7.asp?ts=3   (1918 words)

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