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Related papers: VLQBounds: Confronting Vector-Like Quark Models wi…

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Previously proposed quantum algorithms for solving linear systems of equations cannot be implemented in the near term due to the required circuit depth. Here, we propose a hybrid quantum-classical algorithm, called Variational Quantum…

Quantum Physics · Physics 2023-11-23 Carlos Bravo-Prieto , Ryan LaRose , M. Cerezo , Yigit Subasi , Lukasz Cincio , Patrick J. Coles

New vector-like quarks can have sizable couplings to first generation quarks without conflicting with current experimental constraints. The coupling with valence quarks and unique kinematics make single production the optimal discovery…

High Energy Physics - Phenomenology · Physics 2015-03-18 Anupama Atre , Georges Azuelos , Marcela Carena , Tao Han , Erkcan Ozcan , José Santiago , Gokhan Unel

An overview of recent searches with top quarks in the final state using up to 36 fb$^{-1}$ of pp collision data at $\sqrt{s}$ = 13 TeV collected with the ATLAS and CMS experiments at the LHC is presented. In particular, searches for heavy…

High Energy Physics - Experiment · Physics 2019-01-08 Leonid Serkin

The results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of vector-like top quarks in the…

High Energy Physics - Experiment · Physics 2017-09-06 The ATLAS Collaboration

Code reuse is common in modern software development, but it can also spread vulnerabilities when developers unknowingly copy risky code. The code fragments that preserve the logic of known vulnerabilities are known as vulnerable code clones…

Leptoquarks (LQ) are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the Standard Model and offer an attractive potential explanation for the lepton flavour anomalies observed at…

High Energy Physics - Experiment · Physics 2021-07-22 Andre Sopczak

We present up-to-date constraints on a generic Higgs parameter space. An accurate assessment of these exclusions must take into account statistical, and potentially signal, fluctuations in the data currently taken at the LHC. For this, we…

High Energy Physics - Phenomenology · Physics 2015-06-04 Aleksandr Azatov , Roberto Contino , Jamison Galloway

Thanks to the outstanding performance of the Large Hadron Collider (LHC) that delivered more than 2 fb^-1 of proton-proton collision data at center-of-mass energy of 7 TeV, the ATLAS experiment has been able to explore a wide range of…

High Energy Physics - Experiment · Physics 2015-06-03 Nicolas Bousson

Axionlike particles (ALPs) emerge from spontaneously broken global symmetries in high energy extensions of the Standard Model (SM). This causes ALPs to be among the objectives of future experiments which intend to search for new physics…

High Energy Physics - Phenomenology · Physics 2022-08-23 Yasaman Hosseini , Mojtaba Mohammadi Najafabadi

We review the theoretical and experimental situation for long-lived heavy quarks, or bound states thereof, arising in simple extensions of the Standard Model. If these particles propagate large distances before their decay, they give rise…

High Energy Physics - Phenomenology · Physics 2013-04-08 Mathieu Buchkremer , Alexander Schmidt

Numerous phenomenological studies and collider searches have probed for the existence of new physics by looking for signatures of leptoquarks (LQs) or vectorlike leptons (VLLs). We consider a new possibility that can arise in theories with…

High Energy Physics - Phenomenology · Physics 2025-08-26 Shruti Dubey , Nilanjana Kumar , Tanumoy Mandal , Subhadip Mitra , Rachit Sharma

A combination of searches for the single production of vector-like top quarks ($T$) is presented. These analyses are based on proton$-$proton collisions at $\sqrt{s}=13$ TeV recorded in 2015$-$2018 with the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2025-03-10 ATLAS Collaboration

The ATLAS and CMS collaborations at the Large Hadron Collider (LHC) are studying the top quark in pp collisions at 7 and 8 TeV. Due to the large integrated luminosity, precision measurements of production cross-sections and properties are…

High Energy Physics - Experiment · Physics 2019-08-14 Markus Seidel

We investigate the pair production of a vector-like quark triplet with hypercharge 5/3 decaying into top quark and a complex scalar triplet with hypercharge 1 at the LHC. This novel scenario, featuring particles with exotic charges - two…

High Energy Physics - Phenomenology · Physics 2024-07-12 Avik Banerjee , Venugopal Ellajosyula , Luca Panizzi

Vision-Language Models (VLMs) exhibit impressive performance, yet the integration of powerful vision encoders has significantly broadened their attack surface, rendering them increasingly susceptible to jailbreak attacks. However, lacking…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Jiaxin Song , Yixu Wang , Jie Li , Rui Yu , Yan Teng , Xingjun Ma , Yingchun Wang

Nelson-Barr models solve the strong CP problem based on spontaneous CP violation and generically requires vector-like quarks (VLQs) mixing with standard quarks to transmit the CP violation. We devise an explicit parametrization for the case…

High Energy Physics - Phenomenology · Physics 2023-09-01 G. H. S. Alves , A. L. Cherchiglia , C. C. Nishi

New vectorlike quarks have been proposed in many scenarios of new physics beyond the Standard Model, which address the hierarchy problem and may be potentially discovered at the Large Hadron Collider~(LHC). Based on a model-independent…

High Energy Physics - Phenomenology · Physics 2022-08-17 Jin-Zhong Han , Yao-Bei Liu , Lu Xing , Shuai Xu

In recent years, an interest in the study of quantum information has grown within the high-energy particle physics community. The possibility to establish the presence of entanglement at particle colliders, such as the Large Hadron Collider…

High Energy Physics - Phenomenology · Physics 2022-11-09 Luca Mantani

Vision-Language Models (VLMs) achieve outstanding performance, yet their huge model size severely hinders deployment on edge devices with limited resources. As an efficient model compression technique, vector quantization (VQ) excels in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhong Wang , Zukang Xu , Xing Hu , Dawei Yang

The existence of new vector-like quarks is often predicted by models of new physics beyond the Standard Model, and the development of discovery strategies at colliders is the object of an intense effort from the high-energy community. Our…

High Energy Physics - Phenomenology · Physics 2018-12-05 Giacomo Cacciapaglia , Aldo Deandrea , Naveen Gaur , Daisuke Harada , Yasuhiro Okada , Luca Panizzi
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