학술논문
Search for exclusive Higgs and Z boson decays to ωγ and Higgs boson decays to K ⁎ γ with the ATLAS detector
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article
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Aad, G; Abbott, B; Abeling, K; Abidi, SH; Aboulhorma, A; Abramowicz, H; Abreu, H; Abulaiti, Y; Hoffman, AC Abusleme; Acharya, BS; Bourdarios, C Adam; Adamczyk, L; Adamek, L; Addepalli, SV; Adelman, J; Adiguzel, A; Adorni, S; Adye, T; Affolder, AA; Afik, Y; Agaras, MN; Agarwala, J; Aggarwal, A; Agheorghiesei, C; Aguilar-Saavedra, JA; Ahmad, A; Ahmadov, F; Ahmed, WS; Ahuja, S; Ai, X; Aielli, G; Tamlihat, M Ait; Aitbenchikh, B; Aizenberg, I; Akbiyik, M; Åkesson, TPA; Akimov, AV; Al Khoury, K; Alberghi, GL; Albert, J; Albicocco, P; Alderweireldt, S; Aleksa, M; Aleksandrov, IN; Alexa, C; Alexopoulos, T; Alfonsi, A; Alfonsi, F; Alhroob, M; Ali, B; Ali, S; Aliev, M; Alimonti, G; Alkakhi, W; Allaire, C; Allbrooke, BMM; Flores, CA Allendes; Allport, PP; Aloisio, A; Alonso, F; Alpigiani, C; Estevez, M Alvarez; Fernandez, A Alvarez; Alviggi, MG; Aly, M; Coutinho, Y Amaral; Ambler, A; Amelung, C; Amerl, M; Ames, CG; Amidei, D; Dos Santos, SP Amor; Amos, KR; Ananiev, V; Anastopoulos, C; Andeen, T; Anders, JK; Andrean, SY; Andreazza, A; Angelidakis, S; Angerami, A; Anisenkov, AV; Annovi, A; Antel, C; Anthony, MT; Antipov, E; Antonelli, M; Antrim, DJA; Anulli, F; Aoki, M; Aoki, T; Pozo, JA Aparisi; Aparo, MA; Bella, L Aperio; Appelt, C; Aranzabal, N; Ferraz, V Araujo; Arcangeletti, C; Arce, ATH; Arena, E
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Abstract
Searches for the exclusive decays of the Higgs boson to an ω meson and a photon or a K⁎ meson and a photon can probe flavour-conserving and flavour-violating Higgs boson couplings to light quarks, respectively. Searches for these decays, along with the analogous Z boson decay to an ω meson and a photon, are performed with a pp collision data sample corresponding to integrated luminosities of up to 134 fb−1 collected at s=13 TeV with the ATLAS detector at the CERN Large Hadron Collider. The obtained 95% confidence-level upper limits on the respective branching fractions are B(H→ωγ)