Search for the SM and MSSM Higgs boson in the t(t)over-bar-H,H→b(b)over-bar channel

被引：0
|
作者：
Richter-Was, E [1 ]
Sapinski, M
机构：
[1] CERN, IT Div, CH-1211 Geneva 23, Switzerland
[2] Jagiellonian Univ, Inst Comp Sci, PL-30072 Krakow, Poland
[3] Inst Nucl Phys, PL-30055 Krakow, Poland
来源：
ACTA PHYSICA POLONICA B | 1999年 / 30卷 / 04期
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D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A detailed study of the associated Standard Model Higgs boson production t (t) over bar H with H --> b (b) over bar is presented for the SM and MSSM scenarios. For Higgs boson masses from 80 to 120 GeV and an integrated luminosity of 3 . 10(4) pb(-1) a clear evidence for an excess of events with four b-tagged jets over the background from W + jets and t (t) over bar production should be observable. However, a clean reconstruction of the H --> b (b) over bar mass peak will be difficult because of the combinatorial background from the signal itself. This problem can be to a large extent overcome if both top-quark decays are reconstructed in addition to the reconstruction of the H --> b (b) over bar mass peak. In the MSSM scenario, the low tan beta region (up to tan beta similar to 6) for an integrated luminosity of 3 . 10(4) pb(-1) and most of the (m(A),tan beta) parameter space for an integrated luminosity of 10(5) pb(-1) would be accessible with this channel. Excellent b-tagging capability and good efficiency for jet reconstruction are however necessary to explore this channel to its full potential.
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页码：1001 / 1040
页数：40
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