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Non-Universal Gauge Bosons Z′ and Rare Top Decays.

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Title: Non-Universal Gauge Bosons Z′ and Rare Top Decays.
Authors: Chongxing Yue, C.1 cxyue@lnnu.edu.cn, Hongjie Zong, C.2, Lanjun Liu, C.2
Source: Modern Physics Letters A. 10/10/2003, Vol. 18 Issue 31, p2187. 7p.
Subjects: Interacting boson models, Physics
Abstract: We study a new method for detecting non-universal gauge bosons Z′ via considering their effects on rare top decays. We calculate the contributions of the non-universal gauge bosons Z′ predicted by topcolor-assisted technicolor (TC2) models and flavor-universal TC2 models on the rare top decays t → cV (V = g,γ,Z) and t → cl[sub i]l[sub j] (l[sub i],l[sub j] = τ,μ, or e). We show that the branching ratios of these processes can be significantly enhanced. Over a sizeable region of the parameter space, we have Br(t → cg) ~ 10[sup -5] and Br(t → cττ) ~ 10[sup -7], which may approach the observable threshold of near future experiments. Non-universal gauge bosons Z′ may be detected via the rare top decay processes at the top-quark factories such as the CERN LHC. [ABSTRACT FROM AUTHOR]
Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: <searchLink fieldCode="AR" term="%22Chongxing+Yue%2C+C%2E%22">Chongxing Yue, C.</searchLink><relatesTo>1</relatesTo><i> cxyue@lnnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hongjie+Zong%2C+C%2E%22">Hongjie Zong, C.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Lanjun+Liu%2C+C%2E%22">Lanjun Liu, C.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Modern+Physics+Letters+A%22">Modern Physics Letters A</searchLink>. 10/10/2003, Vol. 18 Issue 31, p2187. 7p.
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  Data: We study a new method for detecting non-universal gauge bosons Z′ via considering their effects on rare top decays. We calculate the contributions of the non-universal gauge bosons Z′ predicted by topcolor-assisted technicolor (TC2) models and flavor-universal TC2 models on the rare top decays t → cV (V = g,γ,Z) and t → cl[sub i]l[sub j] (l[sub i],l[sub j] = τ,μ, or e). We show that the branching ratios of these processes can be significantly enhanced. Over a sizeable region of the parameter space, we have Br(t → cg) ~ 10[sup -5] and Br(t → cττ) ~ 10[sup -7], which may approach the observable threshold of near future experiments. Non-universal gauge bosons Z′ may be detected via the rare top decay processes at the top-quark factories such as the CERN LHC. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0217732303011915
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      – TitleFull: Non-Universal Gauge Bosons Z′ and Rare Top Decays.
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            NameFull: Hongjie Zong, C.
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              Text: 10/10/2003
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