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preons

Overview page. Subjects: Physics.

Hypothetical entities that are postulated as being ‘building blocks’ of quarks and leptons. There is no experimental evidence for preons but the idea has considerable theoretical appeal....

See overview in Oxford Index

preons

Edited by Richard Rennie and Jonathan Law.

in A Dictionary of Physics

March 2019; p ublished online March 2019 .

Reference Entry. Subjects: Physics. 61 words.

Hypothetical entities that are postulated as being ‘building blocks’ of quarks and leptons. There is no experimental evidence for preons but the idea has considerable theoretical appeal....

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preons

in A Dictionary of Physics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Physics. 61 words.

Hypothetical entities that are postulated as being ‘building blocks’ of quarks and leptons. There is no experimental evidence for preons

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preons

Edited by Jonathan Law and Richard Rennie.

in A Dictionary of Physics

January 2015; p ublished online September 2015 .

Reference Entry. Subjects: Physics. 61 words.

Hypothetical entities that are postulated as being ‘building blocks’ of quarks and leptons. There is no experimental evidence for preons

Go to Oxford Reference »  home page

preons

Overview page. Subjects: Physics.

Hypothetical entities that are postulated as being ‘building blocks’ of quarks and leptons. There is no experimental evidence for preons but the idea has considerable theoretical appeal....

See overview in Oxford Index

Composite Weak Vector Bosons in a Left-Right Symmetric Preon Model

Motoo Sekiguchi, Shin Ishida and Hiroaki Wada.

in Progress of Theoretical Physics

September 1996; p ublished online September 1996 .

Journal Article. 0 words.

We take the viewpoint that the standard model is a low energy effective theory among composite quarks, leptons and weak bosons in a left-right (LR) symmetric preon model with a hypercolor SUnull...

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The Excess of HERA High-Q 2 Events and Leptoquarks in a Left-Right Symmetric Preon Model

Motoo Sekiguchi, Hiroaki Wada and Shin Ishida.

in Progress of Theoretical Physics

April 1998; p ublished online April 1998 .

Journal Article. 0 words.

An interpretation that the HERA excess events are due to intermediate production and decay of composite leptoquarks in the left-right symmetric preon model is given. Because of the...

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Preen, Church

A. D. Mills.

in A Dictionary of British Place Names

January 2011; p ublished online January 2011 .

Reference Entry. Subjects: Names Studies. 28 words.

Prene 1086 (db), Chircheprene 1256. OE prēon ‘a brooch, a pin’, perhaps used figuratively of some landscape

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Atomic Parity Violation, Muon Pair Production in e + e Collisions, and Detection of CDM WIMP

Hirofumi Senju.

in Progress of Theoretical Physics

November 1999; p ublished online November 1999 .

Journal Article. 0 words.

In our preon model there exists a neutral vector boson D 1 which is an isoscalar partner of W(Z) in the vector boson octet. It is shown that the exchange of a D 1 of...

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A Possible Excess of γ + Missing Energy Events in e + e - Collisions

Hirofumi Senju.

in Progress of Theoretical Physics

February 1996; p ublished online February 1996 .

Journal Article. 0 words.

It is shown that the preon model with preonic charge can explain qualitatively and, taking α s (M z ) = 0.11, also...

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Possible Signatures of New Physics in e + e and Collisions

Hirofumi Senju.

in Progress of Theoretical Physics

December 1998; p ublished online December 1998 .

Journal Article. 0 words.

A preon model with preonic charge predicts many unique new particles. Among them, several are expected to be relatively light, including the fermion l Snull...

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A Composite Model of Quarks with the ‘Effective Supersymmetry’

Nobuchika Okada.

in Progress of Theoretical Physics

April 1998; p ublished online April 1998 .

Journal Article. 0 words.

We present a composite model of quarks with ‘effective supersymmetry’. The model is based on the gauge group (SU(2) S ×SU(2) M ) ×(SU(...

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