Bounds on neutrino mixing with exotic singlet neutrinos
Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Singhal, J K [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Schlagwörter: |
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| Anmerkung: |
© Indian Academy of Sciences 2002 |
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| Übergeordnetes Werk: |
Enthalten in: Pramāna - Springer India, 1973, 59(2002), 3 vom: Sept., Seite 465-477 |
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| Übergeordnetes Werk: |
volume:59 ; year:2002 ; number:3 ; month:09 ; pages:465-477 |
| Links: |
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| DOI / URN: |
10.1007/s12043-002-0044-1 |
|---|
| Katalog-ID: |
OLC2076037810 |
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| 520 | |a Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). | ||
| 650 | 4 | |a Neutrino | |
| 650 | 4 | |a neutrino mixing | |
| 650 | 4 | |a exotic neutrino | |
| 650 | 4 | |a singlet neutrino | |
| 700 | 1 | |a Singh, Sardar |4 aut | |
| 700 | 1 | |a Nagawat, Ashok K |4 aut | |
| 700 | 1 | |a Sharma, N K |4 aut | |
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10.1007/s12043-002-0044-1 doi (DE-627)OLC2076037810 (DE-He213)s12043-002-0044-1-p DE-627 ger DE-627 rakwb eng 530 VZ Singhal, J K verfasserin aut Bounds on neutrino mixing with exotic singlet neutrinos 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 2002 Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). Neutrino neutrino mixing exotic neutrino singlet neutrino Singh, Sardar aut Nagawat, Ashok K aut Sharma, N K aut Enthalten in Pramāna Springer India, 1973 59(2002), 3 vom: Sept., Seite 465-477 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:59 year:2002 number:3 month:09 pages:465-477 https://doi.org/10.1007/s12043-002-0044-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_70 GBV_ILN_4012 AR 59 2002 3 09 465-477 |
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10.1007/s12043-002-0044-1 doi (DE-627)OLC2076037810 (DE-He213)s12043-002-0044-1-p DE-627 ger DE-627 rakwb eng 530 VZ Singhal, J K verfasserin aut Bounds on neutrino mixing with exotic singlet neutrinos 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 2002 Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). Neutrino neutrino mixing exotic neutrino singlet neutrino Singh, Sardar aut Nagawat, Ashok K aut Sharma, N K aut Enthalten in Pramāna Springer India, 1973 59(2002), 3 vom: Sept., Seite 465-477 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:59 year:2002 number:3 month:09 pages:465-477 https://doi.org/10.1007/s12043-002-0044-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_70 GBV_ILN_4012 AR 59 2002 3 09 465-477 |
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10.1007/s12043-002-0044-1 doi (DE-627)OLC2076037810 (DE-He213)s12043-002-0044-1-p DE-627 ger DE-627 rakwb eng 530 VZ Singhal, J K verfasserin aut Bounds on neutrino mixing with exotic singlet neutrinos 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 2002 Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). Neutrino neutrino mixing exotic neutrino singlet neutrino Singh, Sardar aut Nagawat, Ashok K aut Sharma, N K aut Enthalten in Pramāna Springer India, 1973 59(2002), 3 vom: Sept., Seite 465-477 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:59 year:2002 number:3 month:09 pages:465-477 https://doi.org/10.1007/s12043-002-0044-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_70 GBV_ILN_4012 AR 59 2002 3 09 465-477 |
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10.1007/s12043-002-0044-1 doi (DE-627)OLC2076037810 (DE-He213)s12043-002-0044-1-p DE-627 ger DE-627 rakwb eng 530 VZ Singhal, J K verfasserin aut Bounds on neutrino mixing with exotic singlet neutrinos 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 2002 Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). Neutrino neutrino mixing exotic neutrino singlet neutrino Singh, Sardar aut Nagawat, Ashok K aut Sharma, N K aut Enthalten in Pramāna Springer India, 1973 59(2002), 3 vom: Sept., Seite 465-477 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:59 year:2002 number:3 month:09 pages:465-477 https://doi.org/10.1007/s12043-002-0044-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_70 GBV_ILN_4012 AR 59 2002 3 09 465-477 |
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10.1007/s12043-002-0044-1 doi (DE-627)OLC2076037810 (DE-He213)s12043-002-0044-1-p DE-627 ger DE-627 rakwb eng 530 VZ Singhal, J K verfasserin aut Bounds on neutrino mixing with exotic singlet neutrinos 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Indian Academy of Sciences 2002 Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). Neutrino neutrino mixing exotic neutrino singlet neutrino Singh, Sardar aut Nagawat, Ashok K aut Sharma, N K aut Enthalten in Pramāna Springer India, 1973 59(2002), 3 vom: Sept., Seite 465-477 (DE-627)129403342 (DE-600)186949-8 (DE-576)014785102 0304-4289 nnns volume:59 year:2002 number:3 month:09 pages:465-477 https://doi.org/10.1007/s12043-002-0044-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_70 GBV_ILN_4012 AR 59 2002 3 09 465-477 |
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Bounds on neutrino mixing with exotic singlet neutrinos |
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Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). © Indian Academy of Sciences 2002 |
| abstractGer |
Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). © Indian Academy of Sciences 2002 |
| abstract_unstemmed |
Abstract We examine the effects of mixing induced non-diagonal light-heavy neutrino weak neutral currents on the amplitude for the process $$v_a \overline v _a \to ZZ$$ (with a=e, μ or τ). By imposing constraint that the amplitude should not exceed the perturbative unitarity limit at high energy $$\left( {\sqrt s = \Lambda } \right)$$, we obtain bounds on light-heavy neutrino mixing parameter $ sin^{2} $$$\theta _L^{v_a } $$ where $$\theta _L^{v_a } $$ is the mixing angle. In the case of one heavy neutrino (mass mξ) or mass degenerate heavy neutrinos, for Λ=1 TeV, no bound is obtained for mξ<0.50 TeV. However, $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−6} $ for mξ=5 TeV and sin $$\theta _L^{v_a } $$≤6.0 × $ 10^{−8} $ for mξ=10 TeV. For Λ=∞, no constraint is obtained for mξ<0.99 TeV and $ sin^{2} $$$\theta _L^{v_a } $$≤3.8 × $ 10^{−2} $ (for mξ=5 TeV) and $ sin^{2} $$$\theta _L^{v_a } $$≤9.6 × $ 10^{−3} $ (for mξ=10 TeV). © Indian Academy of Sciences 2002 |
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| title_short |
Bounds on neutrino mixing with exotic singlet neutrinos |
| url |
https://doi.org/10.1007/s12043-002-0044-1 |
| remote_bool |
false |
| author2 |
Singh, Sardar Nagawat, Ashok K Sharma, N K |
| author2Str |
Singh, Sardar Nagawat, Ashok K Sharma, N K |
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129403342 |
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| hochschulschrift_bool |
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| doi_str |
10.1007/s12043-002-0044-1 |
| up_date |
2024-07-04T02:31:58.005Z |
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