Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector

M. Aaboud; G. Aad; B. Abbott; O. Abdinov; B Abeloos; DK Abhayasinghe; S.H. Abidi; Ossama Sherif Alexander Abouzeid; NL Abraham; H. Abramowicz; H. Abreu; Y. Abulaiti; B.S. Acharya; Sosuke Adachi; L. Adamczyk; J. Adelman; M. Adersberger; A. Adiguzel; T. Adye; A. A. Affolder; Y.  Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; Milena Bajic; Geert-Jan Besjes; Flavia de Almeida Dias; Alejandro Alonso Diaz; Peter Henrik Hansen; Jørgen Beck Hansen; Gorm Aske Gram Krohn Galster; Jørn Dines Hansen; Mogens Dam; James William Monk; Simon Holm Stark; Fabian A.J. Thiele; Stefania Xella; Troels Christian Petersen; Graig Wiglesworth

doi:10.1140/epjc/s10052-018-6457-x

Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, DK Abhayasinghe, S.H. Abidi, Ossama Sherif Alexander Abouzeid, NL Abraham, H. Abramowicz, H. Abreu, Y. Abulaiti, B.S. Acharya, Sosuke Adachi, L. Adamczyk, J. Adelman, M. Adersberger, A. Adiguzel, T. Adye, A. A. AffolderY. Afik, C. Agheorghiesei, J. A. Aguilar-Saavedra, Milena Bajic, Geert-Jan Besjes, Flavia de Almeida Dias, Alejandro Alonso Diaz, Peter Henrik Hansen, Jørgen Beck Hansen, Gorm Aske Gram Krohn Galster, Jørn Dines Hansen, Mogens Dam, James William Monk, Simon Holm Stark, Fabian A.J. Thiele, Stefania Xella, Troels Christian Petersen, Graig Wiglesworth

Experimental Particle Physics

33 Citations (Scopus)

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Abstract

Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW^∗ channel with the final state of γγℓνjj using 36.1 fb ^{- 1} of proton–proton collision data recorded at a centre-of-mass energy of s=13 TeV by the ATLAS detector at the Large Hadron Collider. No significant deviation from the Standard Model prediction is observed. A 95% confidence-level observed upper limit of 7.7 pb is set on the cross section for non-resonant production, while the expected limit is 5.4 pb. A search for a narrow-width resonance X decaying to a pair of Standard Model Higgs bosons HH is performed with the same set of data, and the observed upper limits on σ(pp→ X) × B(X→ HH) range between 40.0 and 6.1 pb for masses of the resonance between 260 and 500 GeV, while the expected limits range between 17.6 and 4.4 pb. When deriving the limits above, the Standard Model branching ratios of the H→ γγ and H→ WW^∗ are assumed.

Original language	English
Article number	1007
Journal	European Physical Journal C
Volume	78
Issue number	12
Number of pages	26
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-018-6457-x
Publication status	Published - 1 Dec 2018

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., ... Wiglesworth, G. (2018). Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector. European Physical Journal C, 78(12), [1007]. https://doi.org/10.1140/epjc/s10052-018-6457-x

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abhayasinghe, DK, Abidi, SH, Abouzeid, OSA, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adiguzel, A, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Bajic, M, Besjes, G-J, de Almeida Dias, F, Alonso Diaz, A, Hansen, PH , Hansen, JB, Galster, GAGK, Hansen, JD , Dam, M, Monk, JW, Stark, SH, Thiele, FAJ, Xella, S , Petersen, TC & Wiglesworth, G 2018, 'Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector', European Physical Journal C, vol. 78, no. 12, 1007. https://doi.org/10.1140/epjc/s10052-018-6457-x

@article{df3ba5cb07234863a73acadcc708f60e,

title = "Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector",

abstract = "Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW∗ channel with the final state of γγℓνjj using 36.1 fb - 1 of proton–proton collision data recorded at a centre-of-mass energy of s=13 TeV by the ATLAS detector at the Large Hadron Collider. No significant deviation from the Standard Model prediction is observed. A 95% confidence-level observed upper limit of 7.7 pb is set on the cross section for non-resonant production, while the expected limit is 5.4 pb. A search for a narrow-width resonance X decaying to a pair of Standard Model Higgs bosons HH is performed with the same set of data, and the observed upper limits on σ(pp→ X) × B(X→ HH) range between 40.0 and 6.1 pb for masses of the resonance between 260 and 500 GeV, while the expected limits range between 17.6 and 4.4 pb. When deriving the limits above, the Standard Model branching ratios of the H→ γγ and H→ WW∗ are assumed.",

author = "M. Aaboud and G. Aad and B. Abbott and O. Abdinov and B Abeloos and DK Abhayasinghe and S.H. Abidi and Abouzeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and Y. Abulaiti and B.S. Acharya and Sosuke Adachi and L. Adamczyk and J. Adelman and M. Adersberger and A. Adiguzel and T. Adye and Affolder, {A. A.} and Y. Afik and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and Milena Bajic and Geert-Jan Besjes and {de Almeida Dias}, Flavia and {Alonso Diaz}, Alejandro and Hansen, {Peter Henrik} and Hansen, {J{\o}rgen Beck} and Galster, {Gorm Aske Gram Krohn} and Hansen, {J{\o}rn Dines} and Mogens Dam and Monk, {James William} and Stark, {Simon Holm} and Thiele, {Fabian A.J.} and Stefania Xella and Petersen, {Troels Christian} and Graig Wiglesworth",

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doi = "10.1140/epjc/s10052-018-6457-x",

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journal = "The European Physical Journal C: Particles and Fields",

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T1 - Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdinov, O.

AU - Abeloos, B

AU - Abhayasinghe, DK

AU - Abidi, S.H.

AU - Abouzeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Sosuke

AU - Adamczyk, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Bajic, Milena

AU - Besjes, Geert-Jan

AU - de Almeida Dias, Flavia

AU - Alonso Diaz, Alejandro

AU - Hansen, Peter Henrik

AU - Hansen, Jørgen Beck

AU - Galster, Gorm Aske Gram Krohn

AU - Hansen, Jørn Dines

AU - Dam, Mogens

AU - Monk, James William

AU - Stark, Simon Holm

AU - Thiele, Fabian A.J.

AU - Xella, Stefania

AU - Petersen, Troels Christian

AU - Wiglesworth, Graig

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW∗ channel with the final state of γγℓνjj using 36.1 fb - 1 of proton–proton collision data recorded at a centre-of-mass energy of s=13 TeV by the ATLAS detector at the Large Hadron Collider. No significant deviation from the Standard Model prediction is observed. A 95% confidence-level observed upper limit of 7.7 pb is set on the cross section for non-resonant production, while the expected limit is 5.4 pb. A search for a narrow-width resonance X decaying to a pair of Standard Model Higgs bosons HH is performed with the same set of data, and the observed upper limits on σ(pp→ X) × B(X→ HH) range between 40.0 and 6.1 pb for masses of the resonance between 260 and 500 GeV, while the expected limits range between 17.6 and 4.4 pb. When deriving the limits above, the Standard Model branching ratios of the H→ γγ and H→ WW∗ are assumed.

AB - Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW∗ channel with the final state of γγℓνjj using 36.1 fb - 1 of proton–proton collision data recorded at a centre-of-mass energy of s=13 TeV by the ATLAS detector at the Large Hadron Collider. No significant deviation from the Standard Model prediction is observed. A 95% confidence-level observed upper limit of 7.7 pb is set on the cross section for non-resonant production, while the expected limit is 5.4 pb. A search for a narrow-width resonance X decaying to a pair of Standard Model Higgs bosons HH is performed with the same set of data, and the observed upper limits on σ(pp→ X) × B(X→ HH) range between 40.0 and 6.1 pb for masses of the resonance between 260 and 500 GeV, while the expected limits range between 17.6 and 4.4 pb. When deriving the limits above, the Standard Model branching ratios of the H→ γγ and H→ WW∗ are assumed.

U2 - 10.1140/epjc/s10052-018-6457-x

DO - 10.1140/epjc/s10052-018-6457-x

M3 - Journal article

C2 - 30872957

SN - 1434-6044

VL - 78

JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

IS - 12

M1 - 1007

ER -

Search for Higgs boson pair production in the..WW * channel using pp collision data recorded at v s=13 TeV with the ATLAS detector

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