Unparticle Self-Interactions

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Unparticle Self-Interactions

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dc.contributor.author Georgi, Howard
dc.contributor.author Kats, Yevgeny
dc.date.accessioned 2010-07-26T14:45:07Z
dc.date.issued 2010
dc.identifier.citation Georgi, Howard, and Yevgeny Kats. Forthcoming. Unparticle self-interactions. Journal of High Energy Physics. en_US
dc.identifier.issn 1029-8479 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:4317739
dc.description.abstract We develop techniques for studying the effects of self-interactions in the conformal sector of an unparticle model. Their physics is encoded in the higher n-point functions of the conformal theory. We study inclusive processes and argue that the inclusive production of unparticle stuff in standard model processes due to the unparticle self-interactions can be decomposed using the conformal partial wave expansion and its generalizations into a sum over contributions from the production of various kinds of unparticle stuff, corresponding to different primary conformal operators. Such processes typically involve the production of unparticle stuff associated with operators other than those to which the standard model couples directly. Thus just as interactions between particles allow scattering processes to produce new particles in the final state, so unparticle self-interactions cause the production of various kinds of unparticle stuff. We discuss both inclusive and exclusive methods for computing these processes. The resulting picture, we believe, is a step towards understanding what unparticle stuff “looks like” because it is quite analogous to way we describe the production and scattering of ordinary particles in quantum field theory, with the primary conformal operators playing the role of particles and the coefficients in the conformal partial wave expansion (and its generalization to include more fields) playing the role of amplitudes. We exemplify our methods in the 2D toy model that we discussed previously in which the Banks-Zaks theory is exactly solvable. en_US
dc.description.sponsorship Physics en_US
dc.language.iso en_US en_US
dc.publisher Springer Verlag en_US
dc.relation.isversionof http://www.springer.com/new+%26+forthcoming+titles+%28default%29/journal/13130 en_US
dash.license OAP
dc.title Unparticle Self-Interactions en_US
dc.type Journal Article en_US
dc.description.version Proof en_US
dc.relation.journal Journal of High Energy Physics en_US
dash.depositing.author Georgi, Howard
dc.date.available 2010-07-26T14:45:07Z

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