Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider
We present a study to examine the sensitivity of a future e-e+ collider to the anomalous top flavour-changing neutral current (FCNC) to the gluon. To separate signal from background a multivariate analysis is performed on top quark pair and background events, where one top quark is considered to fol...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2014/476490 |
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| author | Hoda Hesari Hamzeh Khanpour Morteza Khatiri Yanehsari Mojtaba Mohammadi Najafabadi |
| author_facet | Hoda Hesari Hamzeh Khanpour Morteza Khatiri Yanehsari Mojtaba Mohammadi Najafabadi |
| author_sort | Hoda Hesari |
| collection | DOAJ |
| description | We present a study to examine the sensitivity of a future e-e+ collider to the anomalous top flavour-changing neutral current (FCNC) to the gluon. To separate signal from background a multivariate analysis is performed on top quark pair and background events, where one top quark is considered to follow the dominant standard model (SM) decay, t→Wb, and the other top decays through FCNC, t→qg, where q is a u- or a c-quark. The analysis of fully hadronic FCNC decay of the tt- pair is also presented. The 95% confidence level limits on the top quark anomalous couplings are obtained for different values of the center-of-mass energies and integrated luminosities. |
| format | Article |
| id | doaj-art-e59ef78afcfe4789af04a948fdf4b94d |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-e59ef78afcfe4789af04a948fdf4b94d2025-08-20T03:26:21ZengWileyAdvances in High Energy Physics1687-73571687-73652014-01-01201410.1155/2014/476490476490Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron ColliderHoda Hesari0Hamzeh Khanpour1Morteza Khatiri Yanehsari2Mojtaba Mohammadi Najafabadi3School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, IranSchool of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, IranSchool of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, IranSchool of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, IranWe present a study to examine the sensitivity of a future e-e+ collider to the anomalous top flavour-changing neutral current (FCNC) to the gluon. To separate signal from background a multivariate analysis is performed on top quark pair and background events, where one top quark is considered to follow the dominant standard model (SM) decay, t→Wb, and the other top decays through FCNC, t→qg, where q is a u- or a c-quark. The analysis of fully hadronic FCNC decay of the tt- pair is also presented. The 95% confidence level limits on the top quark anomalous couplings are obtained for different values of the center-of-mass energies and integrated luminosities.http://dx.doi.org/10.1155/2014/476490 |
| spellingShingle | Hoda Hesari Hamzeh Khanpour Morteza Khatiri Yanehsari Mojtaba Mohammadi Najafabadi Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider Advances in High Energy Physics |
| title | Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider |
| title_full | Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider |
| title_fullStr | Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider |
| title_full_unstemmed | Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider |
| title_short | Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider |
| title_sort | probing the top quark flavour changing neutral current at a future electron positron collider |
| url | http://dx.doi.org/10.1155/2014/476490 |
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