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Pregled bibliografske jedinice broj: 1187664

Quark off-shell contributions to KL→γγ in a bound-state approach

(CMS Collaboration) Sirunyan, Albert M; ...; Antunović, Željko; Brigljević, Vuko; Ferenček, Dinko; Giljanović, Duje; Godinović, Nikola; Kovač, Marko; Lelas, Damir; Majumder, Devdatta et al.
Quark off-shell contributions to KL→γγ in a bound-state approach // Physics letters. B, 819 (2021), 136409, 34 doi:10.1016/j.physletb.2021.136409 (međunarodna recenzija, članak, znanstveni)

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Naslov
Quark off-shell contributions to KL→γγ in a bound-state approach

Autori
Sirunyan, Albert M ; ... ; Antunović, Željko ; Brigljević, Vuko ; Ferenček, Dinko ; Giljanović, Duje ; Godinović, Nikola ; Kovač, Marko ; Lelas, Damir ; Majumder, Devdatta ; Puljak, Ivica ; Roguljić, Matej ; Starodumov, Andrey ; Đurić, Senka ; Šuša, Tatjana ; Šćulac, Toni ; ... ; Vetens, Wren

Kolaboracija
CMS Collaboration

Izvornik
Physics letters. B (0370-2693) 819 (2021); 136409, 34

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
High energy physics ; Experimental particle physics ; LHC ; CMS ; Hadron-Hadron scattering (experiments) ; Higgs physics ; p p: colliding beams ; Higgs particle: pair production ; bottom: 2 ; p p: scattering ; Higgs particle: coupling ; Higgs particle: hadroproduction ; Higgs particle: decay modes ; bottom: pair production ; photon: pair production ; top: pair production ; coupling: Yukawa ; coupling constant: upper limit ; vector boson: fusion ; mass spectrum: two-photon ; Standard model

Sažetak
We present a new piece of evidence in favour of the importance of the quark off-shellness in the kaon. The matrix elements of the flavour-changing operators for KL→γγ comply with the general behaviour of the matrix elements expected in the pairing bound-state model used here. The present calculation in essence agrees with previous chiral-quark results. The off-shell contribution turns out to be dominant (the model on-shell amplitude being at the 10% level). Compared with the chiral perturbation-theory approach, our off- shell contribution is an entirely new O(p4) {;\em direct-decay}; piece, whereas the non-diagonal magnetic-moment term belongs to the order O(p6).

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Split

Profili:

Avatar Url Senka Đurić (autor)

Avatar Url Marko Kovač (autor)

Avatar Url Duje Giljanović (autor)

Avatar Url Matej Roguljić (autor)

Avatar Url Damir Lelas (autor)

Avatar Url Ivica Puljak (autor)

Avatar Url Toni Šćulac (autor)

Avatar Url Tatjana Šuša (autor)

Avatar Url Vuko Brigljević (autor)

Avatar Url Nikola Godinović (autor)

Avatar Url Dinko Ferenček (autor)

Avatar Url Devdatta Majumder (autor)

Avatar Url Željko Antunović (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada doi www.sciencedirect.com

Citiraj ovu publikaciju:

(CMS Collaboration) Sirunyan, Albert M; ...; Antunović, Željko; Brigljević, Vuko; Ferenček, Dinko; Giljanović, Duje; Godinović, Nikola; Kovač, Marko; Lelas, Damir; Majumder, Devdatta et al.
Quark off-shell contributions to KL→γγ in a bound-state approach // Physics letters. B, 819 (2021), 136409, 34 doi:10.1016/j.physletb.2021.136409 (međunarodna recenzija, članak, znanstveni)
(CMS Collaboration) (CMS Collaboration) Sirunyan, A., ..., Antunović, Ž., Brigljević, V., Ferenček, D., Giljanović, D., Godinović, N., Kovač, M., Lelas, D. & Majumder, D. (2021) Quark off-shell contributions to KL→γγ in a bound-state approach. Physics letters. B, 819, 136409, 34 doi:10.1016/j.physletb.2021.136409.
@article{article, author = {Sirunyan, Albert M and Antunovi\'{c}, \v{Z}eljko and Brigljevi\'{c}, Vuko and Feren\v{c}ek, Dinko and Giljanovi\'{c}, Duje and Godinovi\'{c}, Nikola and Kova\v{c}, Marko and Lelas, Damir and Majumder, Devdatta and Puljak, Ivica and Rogulji\'{c}, Matej and Starodumov, Andrey and \DJuri\'{c}, Senka and \v{S}u\v{s}a, Tatjana and \v{S}\'{c}ulac, Toni and Vetens, Wren}, year = {2021}, pages = {34}, DOI = {10.1016/j.physletb.2021.136409}, chapter = {136409}, keywords = {High energy physics, Experimental particle physics, LHC, CMS, Hadron-Hadron scattering (experiments), Higgs physics, p p: colliding beams, Higgs particle: pair production, bottom: 2, p p: scattering, Higgs particle: coupling, Higgs particle: hadroproduction, Higgs particle: decay modes, bottom: pair production, photon: pair production, top: pair production, coupling: Yukawa, coupling constant: upper limit, vector boson: fusion, mass spectrum: two-photon, Standard model}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2021.136409}, volume = {819}, issn = {0370-2693}, title = {Quark off-shell contributions to KL→γγ in a bound-state approach}, keyword = {High energy physics, Experimental particle physics, LHC, CMS, Hadron-Hadron scattering (experiments), Higgs physics, p p: colliding beams, Higgs particle: pair production, bottom: 2, p p: scattering, Higgs particle: coupling, Higgs particle: hadroproduction, Higgs particle: decay modes, bottom: pair production, photon: pair production, top: pair production, coupling: Yukawa, coupling constant: upper limit, vector boson: fusion, mass spectrum: two-photon, Standard model}, chapternumber = {136409} }
@article{article, author = {Sirunyan, Albert M and Antunovi\'{c}, \v{Z}eljko and Brigljevi\'{c}, Vuko and Feren\v{c}ek, Dinko and Giljanovi\'{c}, Duje and Godinovi\'{c}, Nikola and Kova\v{c}, Marko and Lelas, Damir and Majumder, Devdatta and Puljak, Ivica and Rogulji\'{c}, Matej and Starodumov, Andrey and \DJuri\'{c}, Senka and \v{S}u\v{s}a, Tatjana and \v{S}\'{c}ulac, Toni and Vetens, Wren}, year = {2021}, pages = {34}, DOI = {10.1016/j.physletb.2021.136409}, chapter = {136409}, keywords = {High energy physics, Experimental particle physics, LHC, CMS, Hadron-Hadron scattering (experiments), Higgs physics, p p: colliding beams, Higgs particle: pair production, bottom: 2, p p: scattering, Higgs particle: coupling, Higgs particle: hadroproduction, Higgs particle: decay modes, bottom: pair production, photon: pair production, top: pair production, coupling: Yukawa, coupling constant: upper limit, vector boson: fusion, mass spectrum: two-photon, Standard model}, journal = {Physics letters. B}, doi = {10.1016/j.physletb.2021.136409}, volume = {819}, issn = {0370-2693}, title = {Quark off-shell contributions to KL→γγ in a bound-state approach}, keyword = {High energy physics, Experimental particle physics, LHC, CMS, Hadron-Hadron scattering (experiments), Higgs physics, p p: colliding beams, Higgs particle: pair production, bottom: 2, p p: scattering, Higgs particle: coupling, Higgs particle: hadroproduction, Higgs particle: decay modes, bottom: pair production, photon: pair production, top: pair production, coupling: Yukawa, coupling constant: upper limit, vector boson: fusion, mass spectrum: two-photon, Standard model}, chapternumber = {136409} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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