Tests of Low Scale Gravity via Gauge Boson Pair Production in {gamma}{gamma} Collisions

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Arkani-Hamed, Dimopoulos and Dvali have recently proposed that gravity may become strong at energies near 1 TeV thus removing the hierarchy problem. This scenario can be tested in several ways at present and future colliders. In this paper we examine the exchange of towers of Kaluza-Klein gravitons and their influence on the production of pairs of massive gauge bosons in {gamma}{gamma} collisions. These tower exchanges are shown to lead to a new dimension-8 operator that can significant alter the Standard Model expectations for these processes. The role of polarization for both the initial state photons and the final state gauge ... continued below

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28 pages

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Rizzo, Thomas G. April 19, 1999.

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Description

Arkani-Hamed, Dimopoulos and Dvali have recently proposed that gravity may become strong at energies near 1 TeV thus removing the hierarchy problem. This scenario can be tested in several ways at present and future colliders. In this paper we examine the exchange of towers of Kaluza-Klein gravitons and their influence on the production of pairs of massive gauge bosons in {gamma}{gamma} collisions. These tower exchanges are shown to lead to a new dimension-8 operator that can significant alter the Standard Model expectations for these processes. The role of polarization for both the initial state photons and the final state gauge bosons in improving sensitivity to graviton exchange is emphasized. We find that the discovery reach for graviton tower exchange in the {gamma}{gamma} {r_arrow} W{sup +}W{sup {minus}} channel to be significantly greater than for any other process so far examined.

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28 pages

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  • Other Information: PBD: 19 Apr 1999

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  • Report No.: SLAC-PUB-8114
  • Grant Number: AC03-76SF00515
  • DOI: 10.2172/10201 | External Link
  • Office of Scientific & Technical Information Report Number: 10201
  • Archival Resource Key: ark:/67531/metadc621410

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  • April 19, 1999

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 5, 2016, 7:13 p.m.

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Rizzo, Thomas G. Tests of Low Scale Gravity via Gauge Boson Pair Production in {gamma}{gamma} Collisions, report, April 19, 1999; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc621410/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.