Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in $$pp$$ pp collisions at $$\sqrt{s}=13$$ s=13 TeV with the ATLAS detector

Aad, G.; Abbott, B.; Abbott, D. C.; Abud, A. Abed; Abeling, K.; Abhayasinghe, D. K.; Abidi, S. H.; AbouZeid, O. S.; Abraham, N. L.; Abramowicz, H.; Abulaiti, Y.; Abreu, H.; Acharya, B. S.; Achkar, B.; Adachi, S.; Adam, L.; Bourdarios, C. Adam; Adamczyk, L.; Adamek, L.; Adelman, J.; Adersberger, M.; Adiguzel, A.; Adorni, S.; Adye, T.; Affolder, A. A.; Afik, Y.; Agapopoulou, C.; Agaras, M. N.; Aggarwal, A.; Agheorghiesei, C.; Aguilar-Saavedra, J. A.; Ahmadov, F.; Ahmed, W. S.; Ai, X.; Aielli, G.; Akatsuka, S.; Åkesson, T. P. A.; Akilli, E.; Akimov, A. V.; Khoury, K. Al; Alberghi, G. L.; Albert, J.; Verzini, M. J. Alconada; Alderweireldt, S.; Aleksa, M.; Aleksandrov, I. N.; Alexa, C.; Alexandre, D.; Alexopoulos, T.; Alfonsi, A.; Alfonsi, F.; Alhroob, M.; Ali, B.; Aliev, M.; Alimonti, G.; Alison, J.; Alkire, S. P.; Allaire, C.; Allbrooke, B. M. M.; Allen, B. W.; Allport, P. P.; Aloisio, A.; Alonso, A.; Alonso, F.; Alpigiani, C.; Alshehri, A. A.; Estevez, M. Alvarez; Piqueras, D. Álvarez; Alviggi, M. G.; Coutinho, Y. Amaral; Ambler, A.; Ambroz, L.; Amelung, C.; Amidei, D.; Santos, S. P. Amor Dos; Amoroso, S.; Amrouche, C. S.; An, F.; Anastopoulos, C.; Andari, N.; Andeen, T.; Anders, C. F.; Anders, J. K.; Andreazza, A.; Andrei, V.; Anelli, C. R.; Angelidakis, S.; Angerami, A.; Anisenkov, A. V.; Annovi, A.; Antel, C.; Anthony, M. T.; Antipov, E.; Antonelli, M.; Antrim, D. J. A.; Anulli, F.; Aoki, M.; Pozo, J. A. Aparisi; Bella, L. Aperio; Arabidze, G.

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in $$pp$$ pp collisions at $$\sqrt{s}=13$$ s=13 TeV with the ATLAS detector

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ID: 128007

2020

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Ranked #10 of 12 articles by views in european physical journal c: particles and fields

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Abstract

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Abstract The results of a search for electroweakino pair production $$pp \rightarrow \tilde{\chi }^\pm _1 \tilde{\chi }^0_2$$ pp→χ~1±χ~20 in which the chargino ($$\tilde{\chi }^\pm _1$$ χ~1± ) decays into a W boson and the lightest neutralino ($$\tilde{\chi }^0_1$$ χ~10 ), while the heavier neutralino ($$\tilde{\chi }^0_2$$ χ~20 ) decays into the Standard Model 125 GeV Higgs boson and a second $$\tilde{\chi }^0_1$$ χ~10 are presented. The signal selection requires a pair of b-tagged jets consistent with those from a Higgs boson decay, and either an electron or a muon from the W boson decay, together with missing transverse momentum from the corresponding neutrino and the stable neutralinos. The analysis is based on data corresponding to 139 $$\mathrm {fb}^{-1}$$ fb-1 of $$\sqrt{s}=13$$ s=13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. No statistically significant evidence of an excess of events above the Standard Model expectation is found. Limits are set on the direct production of the electroweakinos in simplified models, assuming pure wino cross-sections. Masses of $$\tilde{\chi }^{\pm }_{1}/\tilde{\chi }^{0}_{2}$$ χ~1±/χ~20 up to 740 GeV are excluded at 95% confidence level for a massless $$\tilde{\chi }^{0}_{1}$$ χ~10 .

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Authors	G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling, D. K. Abhayasinghe, S. H. Abidi, O. S. AbouZeid, N. L. Abraham, H. Abramowicz, Y. Abulaiti, H. Abreu, B. S. Acharya, B. Achkar, S. Adachi, L. Adam, C. Adam Bourdarios, L. Adamczyk, L. Adamek, J. Adelman, M. Adersberger, A. Adiguzel, S. Adorni, T. Adye, A. A. Affolder, Y. Afik, C. Agapopoulou, M. N. Agaras, A. Aggarwal, C. Agheorghiesei, J. A. Aguilar-Saavedra, F. Ahmadov, W. S. Ahmed, X. Ai, G. Aielli, S. Akatsuka, T. P. A. Åkesson, E. Akilli, A. V. Akimov, K. Al Khoury, G. L. Alberghi, J. Albert, M. J. Alconada Verzini, S. Alderweireldt, M. Aleksa, I. N. Aleksandrov, C. Alexa, D. Alexandre, T. Alexopoulos, A. Alfonsi, F. Alfonsi, M. Alhroob, B. Ali, M. Aliev, G. Alimonti, J. Alison, S. P. Alkire, C. Allaire, B. M. M. Allbrooke, B. W. Allen, P. P. Allport, A. Aloisio, A. Alonso, F. Alonso, C. Alpigiani, A. A. Alshehri, M. Alvarez Estevez, D. Álvarez Piqueras, M. G. Alviggi, Y. Amaral Coutinho, A. Ambler, L. Ambroz, C. Amelung, D. Amidei, S. P. Amor Dos Santos, S. Amoroso, C. S. Amrouche, F. An, C. Anastopoulos, N. Andari, T. Andeen, C. F. Anders, J. K. Anders, A. Andreazza, V. Andrei, C. R. Anelli, S. Angelidakis, A. Angerami, A. V. Anisenkov, A. Annovi, C. Antel, M. T. Anthony, E. Antipov, M. Antonelli, D. J. A. Antrim, F. Anulli, M. Aoki, J. A. Aparisi Pozo, L. Aperio Bella, G. Arabidze Are you one of these authors? Claim your profile
Journal	european physical journal c: particles and fields
Year	2020
DOI	DOI not found Searching for DOI...
URL	http://link.springer.com/article/10.1140/epjc/s10052-020-8050-3
Keywords	Mineralogy physics nuclear and particle physics. atomic energy. radioactivity astrophysics

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