Pseudoscalar boson and standard model-like Higgs boson productions at the LHC in the simplest little Higgs model

Journal Article · Mon Nov 01 00:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.82.095009· OSTI ID:21503825

Lei, Wang; Xiaofang, Han ^[1]

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1. Department of Physics, Yantai University, Yantai 264005 (China)

In the framework of the simplest little Higgs model, we perform a comprehensive study for the pair productions of the pseudoscalar boson {eta} and standard model-like Higgs boson h at LHC, namely gg(bb){yields}{eta}{eta}, gg(qq){yields}{eta}h, and gg(bb){yields}hh. These production processes provide a way to probe the couplings between Higgs bosons. We find that the cross section of gg{yields}{eta}{eta} always dominates over that of bb{yields}{eta}{eta}. When the Higgs boson h which mediates these two processes is on-shell, their cross sections can reach several thousand fb and several hundred fb, respectively. When the intermediate state h is off-shell, those two cross sections are reduced by 2 orders of magnitude, respectively. The cross sections of gg{yields}{eta}h and qq{yields}{eta}h are about in the same order of magnitude, which can reach O(10{sup 2} fb) for a light {eta} boson. Besides, compared with the standard model prediction, the cross section of a pair of standard model-like Higgs bosons production at LHC can be enhanced sizably. Finally, we briefly discuss the observable signatures of {eta}{eta}, {eta}h, and hh at the LHC.

• OSTI ID: 21503825
• Journal Information: Physical Review. D, Particles Fields, Vol. 82, Issue 9; Other Information: DOI: 10.1103/PhysRevD.82.095009; (c) 2010 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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COUPLING
CROSS SECTIONS
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HIGGS BOSONS
HIGGS MODEL
INTERMEDIATE STATE
PAIR PRODUCTION
PSEUDOSCALARS
STANDARD MODEL
ACCELERATORS
BOSONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
FIELD THEORIES
GRAND UNIFIED THEORY
INTERACTIONS
MATHEMATICAL MODELS
PARTICLE MODELS
PARTICLE PRODUCTION
POSTULATED PARTICLES
QUANTUM FIELD THEORY
STORAGE RINGS
SYNCHROTRONS
UNIFIED GAUGE MODELS