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

Kawada, Shin-ichi and Maeda, Nozomi and Takahashi, Tohru and Ikematsu, Katsumasa and Fujii, Keisuke and Kurihara, Yoshimasa and Tsumura, Koji and Harada, Daisuke and Kanemura, Shinya (2012) Feasibility study of the measurement of Higgs pair creation at a photon linear collider. In: PHYSICAL REVIEW D, 85 (11).

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Official URL: http://dx.doi.org/10.1103/PhysRevD.85.113009

Abstract

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 gamma gamma collision energy was found to be around 270 GeV for a Higgs mass of 120 GeV/c(2). We found that large backgrounds such as gamma gamma -> W+W-, ZZ, and b (b) over barb (b) over bar 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 similar to 5 sigma by operating the photon linear collider for 5 years.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the American Physical Society
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Date Deposited: 24 Jul 2012 12:52
Last Modified: 24 Jul 2012 12:52
URI: http://eprints.iisc.ernet.in/id/eprint/44829

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