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Prog. Theor. Phys. Vol. 106 No. 6 (2001) pp. 1247-1254

Model with Gauge Coupling Unification on an S¹ /(Z₂ ×Z₂') Orbifold

Naoyuki Haba,^1,2,* Takayuki Kondo,^2,** Yasuhiro Shimizu,^2,*** Tomoharu Suzuki^2,**** and Kazumasa Ukai^2,*****

¹Faculty of Engineering, Mie University, Tsu 514-8507, Japan
²Department of Physics, Nagoya University, Nagoya 464-8602, Japan

(Received August 1, 2001)

Abstract:

We propose a simple grand unified theory in which the fifth dimensional coordinate is compactified on an S¹/(Z₂ ×Z₂') orbifold. We propose two models within this theory, one containing an additional 10 + \overline10 and one containing an additional 15 + \overline15, together with two 24 Higgs multiplets in the non-supersymmetric SU(5) grand unified theory. Although this theory is a non-supersymmetric theory, gauge coupling unification is realized through the mass splittings of Higgs multiplets by S¹/(Z₂ ×Z₂') orbifolding. The constraints from b →s γ and µ→e γ and from electron and muon anomalous magnetic moments are also discussed.

URL : http://ptp.ipap.jp/link?PTP/106/1247/
DOI : 10.1143/PTP.106.1247

^*E-mail: haba@eken.phys.nagoya-u.ac.jp
^**E-mail: tkondo@eken.phys.nagoya-u.ac.jp
^***E-mail: shimizu@eken.phys.nagoya-u.ac.jp
^****E-mail: tomoharu@eken.phys.nagoya-u.ac.jp
^*****E-mail: ukai@eken.phys.nagoya-u.ac.jp

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Citing Article(s) :

1. Progress of Theoretical Physics Vol. 109 No. 5 (2003) pp. 831-842 :

   Unitarity in Gauge Symmetry Breaking on an Orbifold

   Yoshikazu Abe, Naoyuki Haba, Yoshihiro Higashide, Kenzo Kobayashi and Mamoru Matsunaga

2. Progress of Theoretical Physics Vol. 111 No. 2 (2004) pp. 265-289 :

   Classification and Dynamics of Equivalence Classes in SU(N) Gauge Theory on the Orbifold S¹/Z₂

   Naoyuki Haba, Yutaka Hosotani and Yoshiharu Kawamura

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