This title appears in the Scientific Report :
2008
Please use the identifier:
http://dx.doi.org/10.1103/PhysRevD.78.097501 in citations.
Please use the identifier: http://hdl.handle.net/2128/10463 in citations.
B to gamma gamma in an Appelquist-Cheng-Dobrescu model
B to gamma gamma in an Appelquist-Cheng-Dobrescu model
We present a full calculation of the amplitudes for B-d[s] -> gamma gamma in a simple Appelquist-Cheng-Dobrescu model that extends an incomplete one in a previous paper. We find cancellations between the contributions from different Kaluza-Klein towers and a small decrease relative to the standar...
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Personal Name(s): | Bigi, I.I. |
---|---|
Devidze, G.G. / Liparteliani, A.G / Meissner, U.G. | |
Contributing Institute: |
Theorie der starken Wechselwirkung; IKP-3 Jülich-Aachen Research Alliance - Simulation Sciences; JARA-SIM |
Published in: | Physical Review D Physical review / D, 78 78 (2008 2008) 9 9, S. 097501 097501 |
Imprint: |
[S.l.]
Soc.
2008
2008-11-13 2008-11-01 |
Physical Description: |
097501 |
DOI: |
10.1103/PhysRevD.78.097501 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physical Review D
78 |
Subject (ZB): | |
Link: |
Get full text OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/10463 in citations.
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520 | |a We present a full calculation of the amplitudes for B-d[s] -> gamma gamma in a simple Appelquist-Cheng-Dobrescu model that extends an incomplete one in a previous paper. We find cancellations between the contributions from different Kaluza-Klein towers and a small decrease relative to the standard model predictions. It is conjectured that radiative QCD corrections might actually lead to an enhancement in the branching ratios and CP asymmetries, but no more than modest ones. | ||
650 | 7 | |2 INSPIRE |a B: radiative decay | |
650 | 7 | |2 INSPIRE |a B: width | |
650 | 7 | |2 INSPIRE |a B: branching ratio | |
650 | 7 | |2 INSPIRE |a amplitude analysis: decay | |
650 | 7 | |2 INSPIRE |a quantum chromodynamics: radiative correction | |
650 | 7 | |2 INSPIRE |a Kaluza-Klein model | |
650 | 7 | |2 INSPIRE |a asymmetry: CP | |
650 | 7 | |2 INSPIRE |a numerical calculations | |
650 | 7 | |2 INSPIRE |a B --> 2photon | |
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500 | |a This work was supported by the NSF under Grant No. PHY-0355098 and by Deutsche Forschungsgemeinschaft through funds provided to the SFB/TR 16 "Subnuclear Structure of Matter" and by the EU Contract No. MRTN-CT-2006-035482, FLAVIAnet. This research is part of the EU Integrated Infrastructure Initiative Hadron Physics Project under Contract No. R113-CT-2004-506078. We thank G. Hiller for directing our attention to Ref. [5]. | ||
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