Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5)
Abstract We investigate the R D and R D ∗ $$ {R}_{D^{\ast }} $$ anomalies in the context of non-minimal SU(5), where Higgs sector is extended by adjoint 45-dimensional multiplet. One of the light spectrum of this model could be the scalar triplet leptoquark that is contained in this multiplet. We de...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-11-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP11(2023)143 |
| _version_ | 1827277392283959296 |
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| author | A. Ismael S. Khalil |
| author_facet | A. Ismael S. Khalil |
| author_sort | A. Ismael |
| collection | DOAJ |
| description | Abstract We investigate the R D and R D ∗ $$ {R}_{D^{\ast }} $$ anomalies in the context of non-minimal SU(5), where Higgs sector is extended by adjoint 45-dimensional multiplet. One of the light spectrum of this model could be the scalar triplet leptoquark that is contained in this multiplet. We demonstrate that this particular scalar leptogquark mediation of the transition b → cτν is capable of simultaneously accounting for both R D and R D ∗ $$ {R}_{D^{\ast }} $$ anomalies. We further emphasize that another Yukawa coupling controls its contribution to b → sℓ + ℓ − , ensuring that R K and R K ∗ $$ {R}_{K^{\ast }} $$ remain consistent with the standard model predictions. |
| first_indexed | 2024-03-09T15:32:41Z |
| format | Article |
| id | doaj.art-f5846596dde1434db5fc529890e25596 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-04-24T07:20:19Z |
| publishDate | 2023-11-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-f5846596dde1434db5fc529890e255962024-04-21T11:06:14ZengSpringerOpenJournal of High Energy Physics1029-84792023-11-0120231111310.1007/JHEP11(2023)143Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5)A. Ismael0S. Khalil1Physics Department, Faculty of Science, Ain Shams UniversityCenter for Fundamental Physics, Zewail City of Science and TechnologyAbstract We investigate the R D and R D ∗ $$ {R}_{D^{\ast }} $$ anomalies in the context of non-minimal SU(5), where Higgs sector is extended by adjoint 45-dimensional multiplet. One of the light spectrum of this model could be the scalar triplet leptoquark that is contained in this multiplet. We demonstrate that this particular scalar leptogquark mediation of the transition b → cτν is capable of simultaneously accounting for both R D and R D ∗ $$ {R}_{D^{\ast }} $$ anomalies. We further emphasize that another Yukawa coupling controls its contribution to b → sℓ + ℓ − , ensuring that R K and R K ∗ $$ {R}_{K^{\ast }} $$ remain consistent with the standard model predictions.https://doi.org/10.1007/JHEP11(2023)143Baryon/Lepton Number ViolationFlavour SymmetriesGauge SymmetrySemi-Leptonic Decays |
| spellingShingle | A. Ismael S. Khalil Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) Journal of High Energy Physics Baryon/Lepton Number Violation Flavour Symmetries Gauge Symmetry Semi-Leptonic Decays |
| title | Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) |
| title_full | Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) |
| title_fullStr | Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) |
| title_full_unstemmed | Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) |
| title_short | Resolving RD and R D ∗ $$ {\textrm{R}}_{{\textrm{D}}^{\ast }} $$ anomalies in adjoint SU(5) |
| title_sort | resolving rd and r d ∗ textrm r textrm d ast anomalies in adjoint su 5 |
| topic | Baryon/Lepton Number Violation Flavour Symmetries Gauge Symmetry Semi-Leptonic Decays |
| url | https://doi.org/10.1007/JHEP11(2023)143 |
| work_keys_str_mv | AT aismael resolvingrdandrdtextrmrtextrmdastanomaliesinadjointsu5 AT skhalil resolvingrdandrdtextrmrtextrmdastanomaliesinadjointsu5 |