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Topic: Strong interaction


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In the News (Fri 22 Mar 19)

  
  Strong interaction - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-07)
The strong interaction or strong force is today understood to represent the interactions between quarks and gluons as detailed by the theory of quantum chromodynamics (QCD).
The strong force is the fundamental force mediated by gluons, acting upon quarks, antiquarks, and the gluons themselves.
This force was postulated to overcome the electric repulsion between protons in the nucleus, and for its strength (at short distances) it was dubbed the "strong force".
www.sciencedaily.com /encyclopedia/strong_interaction   (428 words)

  
 Fundamental Forces
The discovery of the W and Z particles in 1983 was hailed as a confirmation of the theories which connect the weak force to the electromagnetic force in electroweak unification.
This suggests the weak interaction mechanism for the decay of the pion, which is observed to happen by the muon pathway.
The weak interaction in the electron form at left above is responsible for the decay of the neutron and for beta decay in general.
hyperphysics.phy-astr.gsu.edu /hbase/forces/funfor.html   (1170 words)

  
 STRONG INTERACTION BETWEEN FACTORS INFLUENCING CONSONANT DURATION - Title
The strong interactions could be attributed to a "floor" in the shortest durations and irregular behavior of Coronal consonants.
Interaction between factors, where the effect of one factor indeed depends on the values of other factors, is well known.
Interaction between the durational tiers and the position in the word is limited to a "floor" in the Short tier (at a duration of 40 ms).
fonsg3.let.uva.nl /IFA-publications/Eurospeech97/A0456/A0456.html   (2668 words)

  
 strong interaction - Hutchinson encyclopedia article about strong interaction
The strong nuclear force was first described by the Japanese physicist Hideki Yukawa in 1935.
The particle that is the carrier of the strong nuclear force is the gluon, of which there are eight kinds, each with zero mass and zero charge.
This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
encyclopedia.farlex.com /strong+interaction   (171 words)

  
 Strong interaction
Quantum Chromodynamics (QCD) is the theory of strong interactions and one of the components of the
QCD is the gauge field theory that describes the interactions of colored fermionic fields (quarks) and non-Abelian colored gauge fields (gluons).
The gluons mediate the interaction between the quarks, and in addition, due to the non-Abelian character of QCD, the gluons also interact with each other.
pihydrogen.web.psi.ch /papers_html/pip_prop/node9.html   (204 words)

  
 symmetry - December 2004/January 2005 - Voices: Strong Interaction
It is often said that the force between quarks is weak at short distances and strong at long distances; and on Nobel morning, more than one commentator described the analogy of a stretched rubber band whose restoring force diminishes as the two ends are brought closer together.
The discovery that earned David Gross, David Politzer, and Frank Wilczek the 2004 Nobel Prize in Physics—that the strong, or "color," force binding quarks together grows weaker as two quarks become closer, and is stronger as quarks are pulled apart—spawned a new physics theory with a profound impact on experimental nuclear and particle physics.
RHIC was designed specifically to exploit this new window into the strong interaction by colliding two beams of heavy nuclei (gold ions) at energies previously accessible only for the highest energy elementary particle collisions.
www.symmetrymagazine.org /cms?pid=1000047   (1252 words)

  
 Strong Interaction Fairness via Randomization - Joung, Smolka (ResearchIndex)   (Site not responding. Last check: 2007-10-07)
To our knowledge, Multi is the first algorithm for strong interaction fairness to appear in the literature.
Moreover, the expected time taken by Multi to establish an interaction is a constant not depending on the total number of processes in the system.
We think that those interaction models are interesting because they allow to express coordination regardless of the protocols needed to...
citeseer.ist.psu.edu /258140.html   (615 words)

  
 Comparison of weak to strong interaction   (Site not responding. Last check: 2007-10-07)
The strong interaction and weak interaction can be compared in a set of particle decays which yield the same final products:
The lifetime of a decay is proportional to the inverse square of the coupling constant between the initial and final products, and since the final products are identical, the difference in lifetime must come from the difference in coupling constants.
Since the strong force coupling constant has a value around 1 in the energy range of these decays, we can estimate that the weak coupling constant has a value in the range:
hyperphysics.phy-astr.gsu.edu /hbase/particles/weastr.html   (136 words)

  
 H. David Politzer, Asymptotic Freedom, and Strong Interaction - DOE R&D Accomplishments
This discovery has been known for 31 years as "asymptotic freedom," and is often described by physics professors to their students with the analogy of a rubber band increasing in tightness as it is pulled apart.
Of the four fundamental forces–the others besides the strong nuclear force are electromagnetism, the weak nuclear force (responsible for the decay of radioactive nuclei), and gravitation–the strong force was by far the most poorly understood in the early 1970s.
Meanwhile, studies of high-energy collisions between electrons and protons performed at the Stanford Linear Accelerator Center (SLAC) had probed the internal structure of the proton, and Caltech's Richard Feynman had suggested in 1969 that the results of these experiments could be explained if quarks inside a proton are nearly free, not subject to any force.
www.osti.gov /accomplishments/politzer.html   (625 words)

  
 Strong Interaction Seminars
The RG unifies all microscopic interactions used in nuclear structure applications.
In the past years several new laboratories for the study of QED and strong interactions have started to produce results.
The spectrum of quantum chromodynamics (QCD)---the fundamental theory of strong interactions---is dominated by states with quantum numbers of either quark-antiquark (qqbar) pairs---mesons or systems of three quarks---baryons.
www.physics.arizona.edu /~vankolck/seminars/seminars.html   (3868 words)

  
 Weak Interaction and Strong Interaction (ResearchIndex)   (Site not responding. Last check: 2007-10-07)
This problem is related to the fact that a particular conceptual model may give di#erent outputs according to its implementation.
Through two experiments, the paper shows that the implementation of the agents' interaction is one of the factors that are involved in this phenomenon.
3 ects of interaction topology and activation regime in severa..
citeseer.ist.psu.edu /644594.html   (427 words)

  
 Strong interaction of solitons governed by Korteweg-de Vries equation
Strong interaction of solitons governed by Korteweg-de Vries equation
Properties of the strong nonlinear interaction between solitons have been investigated in detail.
Momentum transfer is considered to be the basic mechanism of interaction.
stacks.iop.org /0305-4470/7/2109   (251 words)

  
 Strong interaction fairness via randomization   (Site not responding. Last check: 2007-10-07)
We present Multi, a symmetric, fully distributed, randomized algorithm that, with probability 1, schedules multiparty interactions in a strongly fair manner.
It thus offers an appealing tonic to the impossibility results of TsayandBagrodia and Joung concerning strong interaction fairness in an environment, shared-memory or message-passing, in which processes are deterministic and the communication time is nonnegligible.
Because strong interaction fairness is as strong a fairness condition that one might actually want to impose in practice, our results indicate that randomization may also prove fruitful for other notions of fairness lacking deterministic realizations and requiring real-time response.
csdl.computer.org /comp/proceedings/icdcs/1996/7398/00/73980475abs.htm   (241 words)

  
 Citebase - A geometric formulation of strong interaction   (Site not responding. Last check: 2007-10-07)
It is observed that, at short range, the field equations of general relativity admit a line element that takes the form of Yukawa potential.
The result leads to the possibility that strong interaction may also be described by field equations that have the same form as that of general relativity.
It is then shown how such field equations may arise from the coupling of two strong fields.
citebase.eprints.org /cgi-bin/citations?id=oai:arXiv.org:hep-th/9504072   (221 words)

  
 Fast ion-induced CO molecule fragmentation in the strong interaction regime
The results concern the strong interaction regime for which no data have yet been reported.
The general trend, from the perturbative regime to the strong interaction regime, is analysed in the light of recent ion-atom advances.
The use of recoil ion momentum spectroscopy to study one dissociative single ionization channel - with simultaneous excitation - greatly improves the experimental KER resolution.
stacks.iop.org /0953-4075/32/631   (316 words)

  
 Mass and strong interaction.
It seems to me he tried to\nunderstand the origin inertia mass from the view\npoint of strong interaction.
It seems to me he tried to\nandgt; understand the origin inertia mass from the view\nandgt; point of strong interaction.
In the presence of interaction, the multiparticle Hamiltonian
www.physicsforums.com /showthread.php?threadid=79988   (2829 words)

  
 Webster's NewWorld Dictionary: strong interaction (or force)@ HighBeam Research   (Site not responding. Last check: 2007-10-07)
Webster's NewWorld Dictionary: strong interaction (or force)@ HighBeam Research
strong interaction (or force) the short-range interaction between elementary...
This material is published under license from the publisher through ProQuest Information and Learning Company, Ann Arbor, Michigan.
highbeam.com /doc/1P1:28334523/strong+interaction+(or+force).html?...   (112 words)

  
 Amazon.ca: Strong Interaction: Books   (Site not responding. Last check: 2007-10-07)
Building on innovative conceptions of order, change, and organization, Thomas Spence Smith dramatically expands the definition of human interactions that hold societies together.
Here he examines the "strong interactions," such as love relationships, attachments, and addictive behaviors, that are inherently unstable--but are integral parts of any social order.
Blending physiology and psychology with historical examples of social change and a sophisticated new model of social systems, this book contributes to our understanding how societies are possible.
www.amazon.ca /exec/obidos/ASIN/0226764141   (227 words)

  
 Strong Interaction Biography @ AlienArtifacts.com (Alien Artifacts)   (Site not responding. Last check: 2007-10-07)
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"Strong interaction" results in these other popular encyclopedia sites:
www.alienartifacts.com /encyclopedia/Strong_interaction   (445 words)

  
 Citebase - Some discussions on strong interaction   (Site not responding. Last check: 2007-10-07)
Using the gauge field model with massive gauge bosons, we could construct a new model to describe the strong interaction.
In this new quantum chromodynamics(QCD) model, we will introduce two sets of gluon fields, one set is massive and another set is massless.
From the above lagrangian, we see that, gluon fields G1 are massive fields whose masses are ยต, and gluon fields G2 are massless fields.
citebase.eprints.org /cgi-bin/citations?id=oai:arXiv.org:hep-ph/9802297   (558 words)

  
 Strong Interaction
Note: Many facts have been simplified to make them easier to understand.
Also called the strong nuclear force, it is the force which holds quarks together to make protons and neutrons, and also holds these particles together to make the nuclei of atoms.
Gluons are the particles which carry the strong nuclear force.
www.historyoftheuniverse.com /strongnu.html   (72 words)

  
 Strong interaction in hadronic hydrogen atoms
Does anyone know why in pionic hydrogen the strong interaction should be attractive whilst in kaonic hydrogen it is repulsive.
I have heard it is something to do with a sub-threshold resonance but nothing more.
Hello,Does anyone know why in pionic hydrogen the strong interaction should be attractive whilst in kaonic hydrogen it is repulsive.
www.physicsforums.com /showthread.php?p=959995#post959995   (211 words)

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