Di-Higgs enhancement by neutral scalar as probe of new colored sector

Nakamura, Koji; Nishiwaki, Kenji; Oda, Kinya; Park, Seong Chan; Yamamoto, Yasuhiro

doi:https://doi.org/10.1140/epjc/s10052-017-4835-4

Di-Higgs enhancement by neutral scalar as probe of new colored sector

Nakamura, Koji; Nishiwaki, Kenji; Oda, Kinya et al.

European Physical Journal C, 2017, 77(5), 273

アクセス数:824件（2026-08-11 09:23 集計）

固定URL: https://hdl.handle.net/11094/78738

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タイトル	Di-Higgs enhancement by neutral scalar as probe of new colored sector
著者	著者名 Nakamura, Koji
	著者名 Nishiwaki, Kenji
	NRID 1000060442943 1000060442943 著者名 Oda, Kinya
	著者名 Park, Seong Chan
	著者名 Yamamoto, Yasuhiro
内容	Nakamura, K., Nishiwaki, K., Oda, Ky. et al. Di-Higgs enhancement by neutral scalar as probe of new colored sector. Eur. Phys. J. C 77, 273 (2017). https://doi.org/10.1140/epjc/s10052-017-4835-4.
抄録	We study a class of models in which the Higgs pair production is enhanced at hadron colliders by an extra neutral scalar. The scalar particle is produced by the gluon fusion via a loop of new colored particles, and decays into di-Higgs through its mixing with the Standard Model Higgs. Such a colored particle can be the top/bottom partner, such as in the dilaton model, or a colored scalar which can be triplet, sextet, octet, etc., called leptoquark, diquark, coloron, etc., respectively. We examine the experimental constraints from the latest Large Hadron Collider (LHC) data, and discuss the future prospects of the LHC and the Future Circular Collider up to 100 TeV. We also point out that the 2.4σ excess in the bb¯ γγ final state reported by the ATLAS experiment can be interpreted as the resonance of the neutral scalar at 300 GeV.
出版者	Springer
収録物名	European Physical Journal C
巻(号)	77(5)
ページ	273
刊行年月	2017-05-02
言語	英語
ハンドルURL	https://hdl.handle.net/11094/78738
PISSN	14346044
eISSN	14346052
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1140/epjc/s10052-017-4835-4
アクセス権	open access
権利情報	© 2017 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	European Physical Journal C. 2017, 77(5), p. 273
DC.title	Di-Higgs enhancement by neutral scalar as probe of new colored sector
DC.creator	Nakamura, Koji
	Nishiwaki, Kenji
	Oda, Kinya
	Park, Seong Chan
	Yamamoto, Yasuhiro
DC.publisher	Springer
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2017-05-02
DC.identifier	https://doi.org/10.1140/epjc/s10052-017-4835-4
DC.description	Nakamura, K., Nishiwaki, K., Oda, Ky. et al. Di-Higgs enhancement by neutral scalar as probe of new colored sector. Eur. Phys. J. C 77, 273 (2017). https://doi.org/10.1140/epjc/s10052-017-4835-4.
DCTERMS.abstract	We study a class of models in which the Higgs pair production is enhanced at hadron colliders by an extra neutral scalar. The scalar particle is produced by the gluon fusion via a loop of new colored particles, and decays into di-Higgs through its mixing with the Standard Model Higgs. Such a colored particle can be the top/bottom partner, such as in the dilaton model, or a colored scalar which can be triplet, sextet, octet, etc., called leptoquark, diquark, coloron, etc., respectively. We examine the experimental constraints from the latest Large Hadron Collider (LHC) data, and discuss the future prospects of the LHC and the Future Circular Collider up to 100 TeV. We also point out that the 2.4σ excess in the bb¯ γγ final state reported by the ATLAS experiment can be interpreted as the resonance of the neutral scalar at 300 GeV.
DC.rights	© 2017 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	78738
citation_title	Di-Higgs enhancement by neutral scalar as probe of new colored sector
citation_author	Nakamura, Koji
	Nishiwaki, Kenji
	Oda, Kinya
	Park, Seong Chan
	Yamamoto, Yasuhiro
citation_publisher	Springer
citation_language	英語
citation_date	2017-05-02
citation_journal_title	European Physical Journal C
citation_volume	77
citation_issue	5
citation_firstpage	273
citation_doi	https://doi.org/10.1140/epjc/s10052-017-4835-4
citation_public_url	https://hdl.handle.net/11094/78738

Di-Higgs enhancement by neutral scalar as probe of new colored sector

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