Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons
This article is based on the study of pure leptonic decays of charged pseudoscalar mesons taking non-universality into account. We calculate the branching ratios of the processes 𝜋 ±, 𝐾±, 𝐷±, 𝐷±𝑠, 𝐵±. For the search for new physics (NP), we examine the discrepancies between theoretical and experimen...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Kuwait Journal of Science |
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| Online Access: | https://www.sciencedirect.com/science/article/pii/S2307410823001803 |
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| author | Wasi Uz Zaman Shakeel Mahmood Abrar Ahmad Maimoona Razzaq Kamran Hussain Tahir |
| author_facet | Wasi Uz Zaman Shakeel Mahmood Abrar Ahmad Maimoona Razzaq Kamran Hussain Tahir |
| author_sort | Wasi Uz Zaman |
| collection | DOAJ |
| description | This article is based on the study of pure leptonic decays of charged pseudoscalar mesons taking non-universality into account. We calculate the branching ratios of the processes 𝜋 ±, 𝐾±, 𝐷±, 𝐷±𝑠, 𝐵±. For the search for new physics (NP), we examine the discrepancies between theoretical and experimental results. The discrepancies are possibly due to massive neutrinos, processed massless in the Standard Model (SM), and universal coupling of leptons. We focus on the non-universality of leptons in order to find the bounds on Non-Standard Interaction (NSI) parameters 𝜀. We use charge current like NSI and conclude that these decays could provide strong constraints on the NSI parameter. |
| format | Article |
| id | doaj-art-a0bf265c18e5478081a6ff8fe0aec7bc |
| institution | DOAJ |
| issn | 2307-4116 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Kuwait Journal of Science |
| spelling | doaj-art-a0bf265c18e5478081a6ff8fe0aec7bc2025-08-20T03:19:57ZengElsevierKuwait Journal of Science2307-41162024-01-01511100139https://doi.org/10.1016/j.kjs.2023.10.006Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesonsWasi Uz Zaman0Shakeel Mahmood1https://orcid.org/0000-0002-4509-3111Abrar Ahmad2Maimoona Razzaq3Kamran Hussain Tahir4Department of Physics, Air University, PAF Complex, E-9, Islamabad, PakistanDepartment of Physics, Air University, PAF Complex, E-9, Islamabad, PakistanDepartment of Physics, COMSATS University Islamabad, PakistanDepartment of Physics, Air University, PAF Complex, E-9, Islamabad, PakistanDepartment of Physics, Air University, PAF Complex, E-9, Islamabad, PakistanThis article is based on the study of pure leptonic decays of charged pseudoscalar mesons taking non-universality into account. We calculate the branching ratios of the processes 𝜋 ±, 𝐾±, 𝐷±, 𝐷±𝑠, 𝐵±. For the search for new physics (NP), we examine the discrepancies between theoretical and experimental results. The discrepancies are possibly due to massive neutrinos, processed massless in the Standard Model (SM), and universal coupling of leptons. We focus on the non-universality of leptons in order to find the bounds on Non-Standard Interaction (NSI) parameters 𝜀. We use charge current like NSI and conclude that these decays could provide strong constraints on the NSI parameter.https://www.sciencedirect.com/science/article/pii/S2307410823001803fcccmeson decaysnon-universalitynsitree level |
| spellingShingle | Wasi Uz Zaman Shakeel Mahmood Abrar Ahmad Maimoona Razzaq Kamran Hussain Tahir Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons Kuwait Journal of Science fccc meson decays non-universality nsi tree level |
| title | Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| title_full | Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| title_fullStr | Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| title_full_unstemmed | Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| title_short | Non-universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| title_sort | non universality of leptons as a source of new physics from tree level interactions of pseudoscalar mesons |
| topic | fccc meson decays non-universality nsi tree level |
| url | https://www.sciencedirect.com/science/article/pii/S2307410823001803 |
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