Article
Physics, Particles & Fields
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
Summary: This study involves using the off-shell formulation for N = 2 conformal supergravity in four dimensions to investigate superconformal higher-spin multiplets of conserved currents in a curved background, and demonstrates their associated unconstrained gauge prepotentials. By constructing locally superconformal chiral actions and proving their gauge invariance in arbitrary conformally flat backgrounds, the main N = 2 results are then generalized to the N-extended case. Additionally, gauge-invariant field strengths for on-shell massless higher-spin N = 2 supermultiplets in anti-de Sitter space are presented, showing representations of the N = 2 superconformal group.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Astronomy & Astrophysics
Ernesto Arganda, Antonio Delgado, Roberto A. Morales, Mariano Quiros
Summary: In this study, a novel supersymmetric signal with gluinos decaying into jets and bino-like neutralino is analyzed at the LHC. The signal involves four light jets, four b-jets, and a significant amount of missing transverse energy. Backgrounds such as top quark pairs, V + jets, and top quark pairs with additional electroweak boson productions are identified as challenging, but prospects for discovery at high luminosity phases of the LHC are promising.
Article
Physics, Particles & Fields
Ernesto Arganda, Antonio Delgado, Roberto A. Morales, Mariano Quiros
Summary: This study proposes a search strategy for gluinos with r leptons in the final state at the LHC. The results demonstrate the sensitivity of the search strategy and provide projections for higher luminosity experiments.
EUROPEAN PHYSICAL JOURNAL C
(2022)
Article
Astronomy & Astrophysics
Antonio Delgado, Mariano Quiros
Summary: The study focuses on a cosmologically stable neutral component from a nearly pure SU(2) doublet as a candidate for dark matter, with a mass of around 1.1 TeV. Investigating the role of Higgsino as dark matter in the context of the minimal supersymmetric extension of the Standard Model, the search for light supersymmetric spectra in models with universal and nonuniversal Higgs and gaugino Majorana masses is discussed. The possibilities for detecting the lightest supersymmetric particles, gluino, top squark, and stau, in future collider experiments are also explored.
Article
Physics, Multidisciplinary
D. Farotti, J. B. Gutowski
Summary: This article classifies warped dS(5) backgrounds in D = 11 supergravity with enhanced supersymmetry. The backgrounds preserving different supersymmetries are studied and the corresponding conclusions are given.
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
(2022)
Article
Astronomy & Astrophysics
Howard Baer, Vernon Barger, Shadman Salam, Dibyashree Sengupta
Summary: Recent research on string theory landscape calculations suggests a Higgs boson mass around 125 GeV and sparticle masses beyond the reach of the high-luminosity LHC. Studies on supersymmetry breaking in BB string models indicate a power law distribution for certain stabilization methods, while large-volume scenarios yield a logarithmic soft term distribution. Evaluations of statistical distributions for the Higgs boson and sparticle masses show peaks around 125 GeV with sparticles beyond the reach of the LHC, albeit with softer distributions than those based on a power law.
Article
Physics, Particles & Fields
Sergei M. Kuzenko, Jake C. Stirling
Summary: In this study, a new family of U(1) duality-invariant models is proposed for the coupling between nonlinear N = 1 supersymmetric electrodynamics and supergravity. This family includes the Cribiori-FarakosTournoy-van Proeyen supergravity-matter theory for spontaneously broken local supersymmetry and introduces a novel Fayet-Iliopoulos term without gauged R-symmetry.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Physics, Particles & Fields
Pedro D. Alvarez, Lucas Delage, Mauricio Valenzuela, Jorge Zanelli
Summary: A gauge theory based on the supergroup G = SU(2, 2|2) was constructed, which generalizes MacDowell-Mansouri supergravity by introducing an extended notion of Hodge operator. The model closely resembles a Yang-Mills theory and avoids the use of complicated component formalism. The theory enjoys off-shell symmetry H = SO(3, 1) x x U(1) x SU(2) while broken symmetries can be recovered on the surface of integrability conditions of the equations of motion.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Review
Multidisciplinary Sciences
Pedro D. Alvarez, Lucas Delage, Mauricio Valenzuela, Jorge Zanelli
Summary: Supersymmetry plays a crucial role in the extensions of the Standard Model, with potential to simplify systems while emerging as a contingent symmetry depending on features of the vacuum state.
Article
Multidisciplinary Sciences
Sergei M. Kuzenko
Summary: This paper revisits the work of Volkov and Soroka on spontaneously broken local supersymmetry. It is shown for the first time that, for specially chosen theory parameters, the Volkov-Soroka action is invariant under two different local supersymmetries. One acts on the Goldstino for arbitrary parameter values, while the other emerges only in a special case and leaves the Goldstino unchanged. The former can be used to gauge away the Goldstino and obtain the action proposed by Deser and Zumino for consistent supergravity. In this sense, pure N=1 supergravity is a special case of the Volkov-Soroka theory, although not discovered by these authors. The paper also explains how the Volkov-Soroka approach naturally leads to the 1.5 formalism. Our analysis provides a nonlinear realization approach for constructing unbroken N=1 Poincare supergravity.
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
(2023)
Article
Physics, Multidisciplinary
D. Farotti, J. B. Gutowski
Summary: We determine the necessary and sufficient conditions for warped product dS(n) solutions, 5 ≤ n ≤ 10, to preserve supersymmetry in D = 11 supergravity. We find that for 7 ≤ n ≤ 10, all such solutions are flat, with a vanishing four-form. Additionally, we show that the only warped product dS(6) solutions are either the maximally supersymmetric AdS(7) x S-4 solution or R-1,R-6 x N-4 where N-4 is hyperKibler, with a vanishing four-form. Supersymmetric warped product dS(5) solutions are classified as generalized M5-brane configurations where the transverse space is R x N-4 and N-4 is a hyperKahler manifold. If the four-form is covariantly constant, then N-4 admits a hyperKahler potential.
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
(2022)
Article
Physics, Particles & Fields
David Berman, Thomas Fischbacher, Gianluca Inverso, Benjamin Scellier
Summary: This paper provides a detailed analysis of the vacua of omega-deformed SO(8) supergravity in four dimensions. By using numerical methods based on Tensorflow, the equilibria of the theory are tracked as the electric-magnetic deformation parameter omega varies. The study reveals a new gauging and its known uplift in IIB supergravity, and demonstrates the generic procedure employed to obtain guaranteed equilibrium and potential novel upliftable solutions through omega-deformation.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Astronomy & Astrophysics
D. Farotti, J. Gutowski
Summary: This study investigates the supersymmetry of near-horizon geometries in heterotic supergravity. It obtains a necessary and sufficient condition for a solution to preserve more than the minimal N = 2 supersymmetry. A supersymmetric near-horizon solution is constructed, which is a U(1) fibration of AdS(3) over a specific Aloff-Wallach space.
CLASSICAL AND QUANTUM GRAVITY
(2022)
Article
Astronomy & Astrophysics
Ofer Aharony, Francesco Benini, Ohad Mamroud, Paolo Milan
Summary: The research focuses on the superconformal index of N = 4 SU(N) supersymmetric Yang-Mills theory, as well as its relationship with the AdS/CFT correspondence, particularly in the context of counting microstates of 1/16-BPS black holes. It is found that solutions to the Bethe Ansatz equations have a one-to-one mapping with (complex) Euclidean black hole solutions, highlighting the connections between the two sides in terms of both classical gravity action and nonperturbative corrections.
Article
Astronomy & Astrophysics
Lina Wu, Tianjun Li
Summary: This study proposes a generic no-scale inflation theory based on string theory compactifications. The research focuses on Kahler potentials with different numbers of inflaton field and moduli, as well as the renormalizable superpotential. The investigation analyzes the spectral index and tensor-to-scalar ratio in detail and discovers viable parameter spaces consistent with experimental data. Interestingly, quadratic and quartic potentials still satisfy the tight bound on the tensor-to-scalar ratio after being embedded into no-scale supergravity.
Article
Physics, Particles & Fields
Daniel Butter, Subramanya Hegde, Ivano Lodato, Bindusar Sahoo
JOURNAL OF HIGH ENERGY PHYSICS
(2018)
Editorial Material
Astronomy & Astrophysics
Subramanya Hegde, Bindusar Shaoo
Article
Physics, Particles & Fields
Daniel Butter, Franz Ciceri, Bindusar Sahoo
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Physics, Particles & Fields
Madhu Mishra, Bindusar Sahoo
Summary: In this paper, we derive the most general curvature squared action coupled to an arbitrary number of vector multiplets in four-dimensional N = 2 supergravity using the dilaton Weyl multiplet. The action is encoded in a single holomorphic prepotential.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Md. Abhishek, Subramanya Hegde, Arnab Priya Saha
Summary: This paper discusses the connection between singularities of (3, 6) amplitude in bi-adjoint scalar theory and the four-point one-loop integrand, as well as the factorization properties of the amplitude at various boundaries on the worldsheet.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Subramanya Hegde, Madhu Mishra, Bindusar Sahoo
Summary: This paper derives the action for N = 3 conformal supergravity in four space-time dimensions and embeds the N = 3 Weyl multiplet in it. By changing a specific coefficient, two different embeddings are obtained, resulting in different invariant actions. As a consistency check, the supersymmetrization of the Pontryagin density is shown to be a total derivative. The complete action for the supersymmetrization of the Weyl square term is also presented, and a consistent truncation of the N = 4 Weyl multiplet to the N = 3 Weyl multiplet is discussed.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Astronomy & Astrophysics
Subramanya Hegde, Bindusar Sahoo, Aravindhan Srinivasan
Article
Astronomy & Astrophysics
Subramanya Hegde, Ivano Lodato, Bindusar Sahoo
Article
Optics
S. P. Suma, Swarnamala Sirsi, Subramanya Hegde, Karthik Bharath
