Feasibility study of the measurement of Higgs pair creation at a photon linear collider

Physical Review D 85 巻 11 号 113009-1-113009-7 頁 2012 発行
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タイトル ( eng )
Feasibility study of the measurement of Higgs pair creation at a photon linear collider
作成者
Kawada Shin-ichi
Maeda Nozomi
Ikematsu Katsumasa
Fujii Keisuke
Kurihara Yoshimasa
Tsumura Koji
Harada Daisuke
Kanemura Shinya
収録物名
Physical Review D
85
11
開始ページ 113009-1
終了ページ 113009-7
抄録
We studied the feasibility of the measurement of Higgs pair creation at a photon linear collider. From the sensitivity to the anomalous self-coupling of the Higgs boson, the optimum γγ collision energy was found to be around 270 GeV for a Higgs mass of 120  GeV/c2. We found that large backgrounds such as γγ→W+W-, ZZ, and bb̅ bb̅ can be suppressed if correct assignment of tracks to parent partons is achieved and Higgs pair events can be observed with a statistical significance of ∼5σ by operating the photon linear collider for 5 years.
言語
英語
資源タイプ 学術雑誌論文
出版者
American Physical Society
発行日 2012
権利情報
(c) 2012 American Physical Society
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 1550-7998
[DOI] 10.1103/PhysRevD.85.113009
[NCID] AA00773624
[DOI] http://dx.doi.org/10.1103/PhysRevD.85.113009