Novel Collider Signature for Little Higgs Dark Matter Models

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題名:	Novel Collider Signature for Little Higgs Dark Matter Models
作者:	Chen, Chian-Shu;Cheung, Kingman;Yuan, Tzu-Chiang
日期:	2007-01-11
上傳時間:	2016-11-09 02:10:46 (UTC+8)
出版者:	Elsevier BV * North-Holland
摘要:	Little Higgs models with T -parity provide a stable neutral particle AH, the lightest T -odd particle (LTP), which was recently proposed to explain the cold dark matter of the Universe. In the coannihilation region of the LTP with the Little Higgs partner of the light quark QH, we propose novel signatures for its detection at hadronic colliders by searching for monojet and dijet plus missing energy events due to the associated production of QHAH and direct production of View the MathML source, respectively. Using the most recent WMAP data, we show that the coupling of AH–QH–q is tightly constrained in the coannihilation region. This implies that the monojet signal is too small to be discernible but the dijet plus missing energy signal is potentially measurable at the LHC.
關聯:	Physics Letters B 644(2-3), pp.158–164
DOI:	10.1016/j.physletb.2006.11.050
顯示於類別:	[物理學系暨研究所] 期刊論文

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