Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings

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; Luise Adam; L. Adamczyk; J. Adelman; M. Adersberger; A. Adiguzel; T. Adye; A. A. Affolder; Y.  Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; F. Ahmadov; Alejandro Alonso Diaz; Milena Bajic; Geert-Jan Besjes; Mogens Dam; Flavia de Almeida Dias; Gorm Aske Gram Krohn Galster; Jørgen Beck Hansen; Peter Henrik Hansen; Jørn Dines Hansen; James William Monk; hqz214 hqz214; Simon Holm Stark; Troels Christian Petersen; Graig Wiglesworth; Stefania Xella

doi:10.1007/JHEP12(2018)010

Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings

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, Luise Adam, L. Adamczyk, J. Adelman, M. Adersberger, A. Adiguzel, T. AdyeA. A. Affolder, Y. Afik, C. Agheorghiesei, J. A. Aguilar-Saavedra, F. Ahmadov, Alejandro Alonso Diaz, Milena Bajic, Geert-Jan Besjes, Mogens Dam, Flavia de Almeida Dias, Gorm Aske Gram Krohn Galster, Jørgen Beck Hansen, Peter Henrik Hansen, Jørn Dines Hansen, James William Monk, hqz214 hqz214, Simon Holm Stark, Troels Christian Petersen, Graig Wiglesworth, Stefania Xella

Experimental Particle Physics

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Abstract

The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb⁻¹ collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Zγ events with invisible decays of the Z boson are selected by requiring significant transverse momentum (p_T) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (E_T). The rate of Zγ production is measured as a function of photon E_T, dineutrino system p_T and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Zγ production with photon E_T greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZγ and Zγγ couplings.[Figure not available: see fulltext.].

Original language	English
Article number	010
Journal	The Journal of High Energy Physics
Volume	2018
Issue number	12
Number of pages	42
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP12(2018)010
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., Adam, L., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., ... Xella, S. (2018). Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings. The Journal of High Energy Physics, 2018(12), [010]. https://doi.org/10.1007/JHEP12(2018)010

Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings. / Aaboud, M.; Aad, G.; Abbott, B. et al.

In: The Journal of High Energy Physics, Vol. 2018, No. 12, 010, 01.12.2018.

Research output: Contribution to journal › Journal article › Research › peer-review

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, Adam, L, Adamczyk, L, Adelman, J, Adersberger, M, Adiguzel, A, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahmadov, F, Alonso Diaz, A, Bajic, M, Besjes, G-J, Dam, M, de Almeida Dias, F, Galster, GAGK, Hansen, JB , Hansen, PH , Hansen, JD, Monk, JW, hqz214, H, Stark, SH, Petersen, TC , Wiglesworth, G & Xella, S 2018, 'Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings', The Journal of High Energy Physics, vol. 2018, no. 12, 010. https://doi.org/10.1007/JHEP12(2018)010

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title = "Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings",

abstract = "The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb−1 collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Zγ events with invisible decays of the Z boson are selected by requiring significant transverse momentum (pT) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (ET). The rate of Zγ production is measured as a function of photon ET, dineutrino system pT and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Zγ production with photon ET greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZγ and Zγγ couplings.[Figure not available: see fulltext.].",

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 Luise Adam 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 F. Ahmadov and {Alonso Diaz}, Alejandro and Milena Bajic and Geert-Jan Besjes and Mogens Dam and {de Almeida Dias}, Flavia and Galster, {Gorm Aske Gram Krohn} and Hansen, {J{\o}rgen Beck} and Hansen, {Peter Henrik} and Hansen, {J{\o}rn Dines} and Monk, {James William} and hqz214 hqz214 and Stark, {Simon Holm} and Petersen, {Troels Christian} and Graig Wiglesworth and Stefania Xella",

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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 - Adam, Luise

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 - Ahmadov, F.

AU - Alonso Diaz, Alejandro

AU - Bajic, Milena

AU - Besjes, Geert-Jan

AU - Dam, Mogens

AU - de Almeida Dias, Flavia

AU - Galster, Gorm Aske Gram Krohn

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Hansen, Jørn Dines

AU - Monk, James William

AU - hqz214, hqz214

AU - Stark, Simon Holm

AU - Petersen, Troels Christian

AU - Wiglesworth, Graig

AU - Xella, Stefania

PY - 2018/12/1

Y1 - 2018/12/1

N2 - The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb−1 collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Zγ events with invisible decays of the Z boson are selected by requiring significant transverse momentum (pT) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (ET). The rate of Zγ production is measured as a function of photon ET, dineutrino system pT and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Zγ production with photon ET greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZγ and Zγγ couplings.[Figure not available: see fulltext.].

AB - The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb−1 collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Zγ events with invisible decays of the Z boson are selected by requiring significant transverse momentum (pT) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (ET). The rate of Zγ production is measured as a function of photon ET, dineutrino system pT and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Zγ production with photon ET greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZγ and Zγγ couplings.[Figure not available: see fulltext.].

U2 - 10.1007/JHEP12(2018)010

DO - 10.1007/JHEP12(2018)010

M3 - Journal article

SN - 1126-6708

VL - 2018

JO - Journal of High Energy Physics (Online)

JF - Journal of High Energy Physics (Online)

IS - 12

M1 - 010

ER -

Measurement of the Z gamma ->nu nu gamma production cross section in pp collisions at root s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings

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