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8,845 results on '"gauge boson"'

1. DECAY WIDTH OF 3-3-1 MODEL CHARGED HIGGS AND GAUGE BOSONS.

Author

Ramos, Kelvin J., Morgan, Carlos A., Cieza Montalvo, Jorge E., Rivasplata, Antonio I., Ramirez, Guillermo H., and Rodriguez-Benites, Carlos E.

Subjects
GAUGE bosons, HIGGS bosons
Abstract

Copyright of Momento: Revista de Física is the property of Universidad Nacional de Colombia, Departamento de Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2022
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4. Minimal Supersymmetric Standard Model

Author

Raby, Stuart, Bartelmann, Matthias, Series editor, Hänggi, Peter, Series editor, Hjorth-Jensen, Morten, Series editor, Jones, Richard A L, Series editor, Lewenstein, Maciej, Series editor, von Löhneysen, H., Series editor, Rubio, Angel, Series editor, Theisen, Stefan, Series editor, Vollhardt, Prof. Dieter, Series editor, Wells, James, Series editor, Zank, Gary P., Series editor, Salmhofer, Manfred, Series editor, Schleich, Wolfgang, Series editor, and Raby, Stuart

Published
2017
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5. The Theory of Electroweak Interactions

Author

Altarelli, Guido, Wells, James, Bartelmann, Matthias, Series editor, Hänggi, Peter, Series editor, Hjorth-Jensen, Morten, Series editor, Jones, Richard A L, Series editor, Lewenstein, Maciej, Series editor, von Löhneysen, H., Series editor, Rubio, Angel, Series editor, Theisen, Stefan, Series editor, Vollhardt, Prof. Dieter, Series editor, Wells, James, Series editor, Zank, Gary P., Series editor, Salmhofer, Manfred, Series editor, Schleich, Wolfgang, Series editor, and Altarelli, Guido

Published
2017
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6. Gauge Theories and the Standard Model

Author

Altarelli, Guido, Wells, James, Bartelmann, Matthias, Series editor, Hänggi, Peter, Series editor, Hjorth-Jensen, Morten, Series editor, Jones, Richard A L, Series editor, Lewenstein, Maciej, Series editor, von Löhneysen, H., Series editor, Rubio, Angel, Series editor, Theisen, Stefan, Series editor, Vollhardt, Prof. Dieter, Series editor, Wells, James, Series editor, Zank, Gary P., Series editor, Salmhofer, Manfred, Series editor, Schleich, Wolfgang, Series editor, and Altarelli, Guido

Published
2017
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15. Supersymmetric Almost-Commutative Geometries

Author

Beenakker, Wim, van den Broek, Thijs, van Suijlekom, Walter D., Berestycki, Nathanaël, Series editor, Dafermos, Mihalis, Series editor, Eguchi, Tohru, Series editor, Kuniba, Atsuo, Series editor, Marcolli, Matilde, Series editor, Nachtergaele, Bruno, Series editor, Beenakker, Wim, van den Broek, Thijs, and Suijlekom, Walter D.

Published
2016
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16. Theory Overview

Author

Mozer, Matthias U., Chen, Yan, Series editor, Fujimori, Atsushi, Series editor, Stwalley, William C., Series editor, Woggon, Ulrike, Series editor, and Mozer, Matthias U.

Published
2016
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18. Supersymmetry

Author

Bahr, Benjamin, Lemmer, Boris, Piccolo, Rina, Bahr, Benjamin, Lemmer, Boris, and Piccolo, Rina

Published
2016
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19. Phenomenology of the left-right twin Higgs model

Author

Goh, Hock-Seng

Subjects
Physics of elementary particles and fields, Higgs model, symmetry, left-right, quark, heavy, quark, mass spectrum, p p, inclusive reaction, quark, truth, quark, hadroproduction, quark, hadronic decay, quark, width, gauge boson, hadroproduction, gauge boson, leptonic decay, gauge boson, branching ratio, gluon gluon, fusion, Higgs particle, hadroproduction, Higgs particle, hadronic decay, channel cross section, numerical calculations, CERN LHC Coll
Abstract

The twin Higgs mechanism was proposed recently to solve the little hierarchy problem. We study the implementation of the twin Higgs mechanism in left-right models. At the TeV scale, heavy quark and gauge bosons appear, with rich collider phenomenology. In addition, there are extra Higgs bosons, some of which couple to both the standard model fermion sector and the gauge sector, while others couple to the gauge bosons only. We present the particle spectrum and study the general features of the collider phenomenology of this class of model at the Large Hadron Collider.

Published
2008

20. The Higgs Mechanism and the Standard Model of Particle Physics

Author

De Angelis, Alessandro, Pimenta, Mário João Martins, Ashby, Neil, Series editor, Brantley, William, Series editor, Deady, Matthew, Series editor, Fowler, Michael, Series editor, Hjorth-Jensen, Morten, Series editor, Inglis, Michael, Series editor, Klose, Heinz, Series editor, Sherif, Helmy, Series editor, De Angelis, Alessandro, and Pimenta, Mário João Martins

Published
2015
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25. The Noncommutative Geometry of the Standard Model

Author

van Suijlekom, Walter D., Dito, Giuseppe, Series editor, Frenkel, Edward, Series editor, Gukov, Sergei, Series editor, Kawahigashi, Yasuyuki, Series editor, Kontsevich, Maxim, Series editor, Landsman, Nicolaas P., Series editor, and van Suijlekom, Walter D.

Published
2015
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27. Introduction

Author

Wolf, Roger, Chen, Yan, Series editor, Fujimori, Atsushi, Series editor, Kühn, Johann H., Series editor, Müller, Thomas, Series editor, Steiner, Frank, Series editor, Stwalley, William C., Series editor, Trümper, Joachim E, Series editor, Wölfle, Peter, Series editor, Woggon, Ulrike, Series editor, and Wolf, Roger

Published
2015
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33. Conclusion

Author

Sundermeyer, Kurt, van Beijeren, Henk, Series editor, Blanchard, Philippe, Series editor, Busch, Paul, Series editor, Coecke, Bob, Series editor, Dieks, Dennis, Series editor, Dürr, Detlef, Series editor, Frigg, Roman, Series editor, Fuchs, Christopher, Series editor, Ghirardi, Giancarlo, Series editor, Giulini, Domenico J. W., Series editor, Jaeger, Gregg, Series editor, Kiefer, Claus, Series editor, Landsman, Nicolaas P., Series editor, Maes, Christian, Series editor, Nicolai, Hermann, Series editor, Petkov, Vesselin, Series editor, van der Merwe, Alwyn, Series editor, Verch, Rainer, Series editor, Werner, R. F., Series editor, Wuthrich, Christian, Series editor, and Sundermeyer, Kurt

Published
2014
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34. Relativistic Field Theory

Author

Sundermeyer, Kurt, van Beijeren, Henk, Series editor, Blanchard, Philippe, Series editor, Busch, Paul, Series editor, Coecke, Bob, Series editor, Dieks, Dennis, Series editor, Dürr, Detlef, Series editor, Frigg, Roman, Series editor, Fuchs, Christopher, Series editor, Ghirardi, Giancarlo, Series editor, Giulini, Domenico J. W., Series editor, Jaeger, Gregg, Series editor, Kiefer, Claus, Series editor, Landsman, Nicolaas P., Series editor, Maes, Christian, Series editor, Nicolai, Hermann, Series editor, Petkov, Vesselin, Series editor, van der Merwe, Alwyn, Series editor, Verch, Rainer, Series editor, Werner, R. F., Series editor, Wuthrich, Christian, Series editor, and Sundermeyer, Kurt

Published
2014
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35. Turning Point(s)

Author

Rickles, Dean, Elitzur, Avshalom C., Series editor, Mersini-Houghton, Laura, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A., Series editor, Vaas, Rüdiger, Series editor, Zeh, H. Dieter, Series editor, and Rickles, Dean

Published
2014
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36. Composite Higgses

Author

Bellazzini, Brando, Csáki, Csaba, Serra, Javi, Antoniadis, Ignatios, editor, and Ghilencea, Dumitru, editor

Published
2014
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37. The B anomalies, the U 1 leptoquark and dark matter

Author

Geneviève Bélanger, Jacky Kumar, David London, Alexander Pukhov, and HEP, INSPIRE

Subjects
Nuclear and High Energy Physics, gauge boson, scale: TeV, dark matter: relic density, High Energy Physics::Phenomenology, Mathematics::Analysis of PDEs, anomaly, FOS: Physical sciences, dark matter: annihilation, singlet: scalar, leptoquark, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, dark matter: singlet, High Energy Physics - Phenomenology (hep-ph), dark matter: heavy, High Energy Physics::Experiment
Abstract

The present-day $B$-anomalies involving $b \to s \mu^+ \mu^-$ or $b \to c \tau^- {\bar\nu}$ transitions can all be explained with the addition of a vector $U_1$ leptoquark with a mass of $M_{U_1} \ge 1.8$ TeV. In the scalar singlet dark matter model (SSDMM), the DM is a scalar $S$ that couples to the Higgs via $\lambda_{hS} \, S^2|H|^2$. We update the fit to the data and find that the SSDMM is now viable only for $M_S \ge 1.6$ TeV. In this paper, we assume that the DM also couples to the $U_1$ via $\lambda_{U_1 S} \, S^2 \, U_{1\mu}^{\dagger} U^{\mu}_1$. In addition to leading to DM annihilation via $S S \to U_1 {\bar U}_1$, this coupling generates $SSgg$ and $SS\gamma\gamma$ couplings at one loop. Although naively divergent, these loop diagrams can be calculated under the assumption that the $U_1$ is a gauge boson of a group broken at the TeV scale. With this DM-$U_1$ coupling term, there are additional contributions to the various DM observables (relic density, direct and indirect detection). We find that the constraints on the SSDMM are relaxed for both heavy DM ($M_S \ge M_{U_1}$) and light DM ($M_S < M_{U_1}$)., Comment: 21 pages, 5 figures

Published
2023

38. Searching for heavy neutral lepton and lepton number violation through VBS at high-energy muon colliders

Author

Li, Tong, Yao, Chang-Yuan, and Yuan, Man

Subjects
vector boson, scattering, double-beta decay, neutrinoless, same sign, gauge boson, lepton, annihilation, electroweak interaction, lepton number, violation, mixing, signature, muon, storage ring, Majorana
Abstract

High-energy muon collider can play as an emitter of electroweak gauge bosons and thus leads to substantial vector boson scattering (VBS) processes. In this work, we investigate the production of heavy neutral lepton (HNL) $N$ and lepton number violation (LNV) signature through VBS at high-energy muon colliders. VBS induces LNV processes $W^\pm Z/\gamma\to \ell^\pm N \to \ell^\pm \ell^\pm W^\mp\to \ell^\pm \ell^\pm q\bar{q}'$ with an on-shell HNL $N$ at $\mu^+\mu^-$ colliders. In analogy to neutrinoless double-beta decay with the HNL in t-channel, the LNV signature $W^+W^+\to \ell^+\ell^+$ can also happen via VBS at same-sign muon collider. They provide clean and robust LNV signatures to tell the nature of Majorana HNLs and thus have more advantageous benefits than direct $\mu\mu$ annihilation. We analyze the potential of searching for Majorana HNL and obtain the exclusion limits on mixing $V_{\ell N}$.

Published
2023
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39. Revisiting the chiral effective action in holographic models

Author

Carlos Hoyos Badajoz, Daniel Logares, Niko Jokela, Department of Physics, and Helsinki Institute of Physics

Subjects
High Energy Physics - Theory, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, Symmetry, High Energy Physics - Phenomenology (hep-ph), Nuclear Theory, High Energy Physics - Theory (hep-th), Gauge boson, High Energy Physics::Lattice, FOS: Physical sciences, High Energy Physics::Experiment, Meson, 114 Physical sciences
Abstract

We obtain the pion decay constant and coefficients of fourth derivative terms in the chiral Lagrangian for massless quarks in the Witten-Sakai-Sugimoto model. We extract these quantities from the two-pion scattering amplitude, which we compute directly in the holographic dual through tree-level Witten diagrams. Identification of the low energy coefficients in the chiral action is subtle as their values will be shifted when the tower of massive vector bosons are integrated out. Indeed, by a direct comparison with the existing standard procedure of constructing the chiral action with radial modes in the gravity dual, we explicitly show that there are finite 't Hooft coupling corrections that have been missed. This suggests that past derivations of effective actions from holographic models may have to be revisited and future derivations more carefully considered., Comment: 34 pages, 3 figures; v2: published and revised version including now also discussion on vector-meson contributions, several added refs., and clarifications (conclusions unchanged)

Published
2023

42. Hidden Symmetries

Author

Satz, Helmut, Elitzur, Avshalom C., Series editor, Mersini-Houghton, Laura, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A., Series editor, Vaas, Rüdiger, Series editor, Zeh, H. Dieter, Series editor, and Satz, Helmut

Published
2013
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49. Cross-fertilising extra gauge boson searches at the LHC

Author

Özer Özdal, Mariana Frank, Benjamin Fuks, Stefano Moretti, Jack Y. Araz, Laboratoire de Physique Théorique et Hautes Energies (LPTHE), and Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Drell-Yan process, Nuclear and High Energy Physics, Particle physics, interference: effect, media_common.quotation_subject, Physics beyond the Standard Model, FOS: Physical sciences, QC770-798, 01 natural sciences, Asymmetry, Standard Model, symmetry: left-right, High Energy Physics - Phenomenology (hep-ph), Nuclear and particle physics. Atomic energy. Radioactivity, 0103 physical sciences, 010306 general physics, Phenomenological Models, media_common, Gauge symmetry, Boson, Physics, Gauge boson, Large Hadron Collider, 010308 nuclear & particles physics, background, new physics, High Energy Physics::Phenomenology, symmetry: gauge, Drell–Yan process, mass resolution, sensitivity, Breit-Wigner, High Energy Physics - Phenomenology, CERN LHC Coll, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], differential cross section, asymmetry
Abstract

For the purpose of cross-fertilising currently separate experimental approaches, we connect results of LHC analyses attempting to access the properties of additional $W^\prime$ and $Z^\prime$ bosons from Drell-Yan processes. Under theoretical assumptions linking the two new gauge bosons, we take into account that such possible states of nature are wide enough (in relation to the leptonic mass resolution) for the corresponding signals be significantly affected by interference effects with the background from the Standard Model. The shape of the differential cross section may then no longer be a standard Breit-Wigner distribution, and asymmetry observables would become useful for characterisation (and, possibly, discovery) purposes. Under such conditions we concentrate our analysis on specific widely-studied models: the Sequential Standard Model, a model with an additional $SU(2)_L$ gauge symmetry, as well as standard and alternative realisations of the Left-Right Symmetric Model. We show how information gathered in $Z'$ boson searches in terms of cross section and/or asymmetry distributions can be used to improve $W'$ boson searches in terms of the LHC sensitivity, and {\it vice versa}., 24 pages, 14 figures

Published
2021
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