TF08 Snowmass Report: BSM Model Building

Fox, Patrick J.; Kribs, Graham D.; Murayama, Hitoshi; Aboubrahim, Amin; Agrawal, Prateek; Altmannshofer, Wolfgang; Baer, Howard; Banerjee, Avik; Barger, Vernon; Batell, Brian; Berghaus, Kim V.; Berlin, Asher; Blinov, Nikita; Franzosi, Diogo Buarque; Cacciapaglia, Giacomo; Cesarotti, Cari; Craig, Nathaniel; Csáki, Csaba; D'Agnolo, Raffaele Tito; De Vries, Jordy; Deandrea, Aldo; Dolan, Matthew J.; Draper, Patrick; Elor, Gilly; Fan, JiJi; Feng, Wan-Zhe; Ferretti, Gabriele; Flacke, Thomas; Fuks, Benjamin; Harigaya, Keisuke; Harz, Julia; Hook, Anson; Ipek, Seyda; Karch, Andreas; Kunkel, Manuel; Lillard, Benjamin; Low, Matthew; Marques-Tavares, Gustavo; Mishra, Rashmish K.; Nath, Pran; Neil, Ethan T.; Panizzi, Luca; Porod, Werner; Randall, Lisa; Reece, Matthew; Rudelius, Tom; Salam, Shadman; Schwarze, Leonard; Sengupta, Dibyashree; Shakya, Bibhushan; Shelton, Jessie; Sundrum, Raman; Teresi, Daniele; Verhaaren, Christopher B.; Wang, Zhu-Yao; Zupan, Jure

doi:10.48550/arxiv.2210.03075

2022

DOI: 10.48550/arxiv.2210.03075

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TF08 Snowmass Report: BSM Model Building

Patrick J. Fox,

Graham D. Kribs,

Hitoshi Murayama

et al.

Abstract: We summarize the state of Beyond the Standard Model (BSM) model building in particle physics for Snowmass 2021, focusing mainly on several whitepaper contributions to BSM model building (TF08) and closely related areas.

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“…The Standard Model (SM) of particle physics has achieved remarkable successes as a highly predictive theory of fundamental particles and their interactions. Nonetheless, the SM is generally considered incomplete since it is unable to explain several important questions, anomalies, and phenomena [1][2][3]. One of the possible experimental evidences of physics beyond the SM is the persistent discrepancy of more than 3σ between the experimental observation and the SM prediction of the muon anomalous magnetic moment (g − 2) µ [4][5][6].…”

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confidence: 99%

Number of J/ψ events at BESIII *

et al. 2022

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Using inclusive decays of the J/ψ, a precise determination of the number of J/ψ events collected with the BESIII detector is performed. For the two data sets taken in 2009 and 2012, the numbers of J/ψ events are recalculated to be (224.0±1.3)×10^6 and (1088.5±4.4)×10^6 respectively, which are in good agreement with the previous measurements. For the J/ψ sample taken in 2017–2019, the number of events is determined to be (8774.0±39.4)×10^6. The total number of J/ψ events collected with the BESIII detector is determined to be (10087±44)×10^6, where the uncertainty is dominated by systematic effects and the statistical uncertainty is negligible. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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Vector-like quarks: Status and new directions at the LHC

Banerjee,

Bergeaas Kuutmann,

Ellajosyula

et al. 2024

SciPost Phys. Core

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Experimental searches for vector-like quarks have until now only considered their decays into Standard Model particles. However, various new physics scenarios predict additional scalars, so that these vector-like quarks can decay to new channels. These new channels reduce the branching ratios into Standard Model final states, significantly affecting current mass bounds. In this article, we quantitatively assess the relevance and observability of single and pair production processes of vector-like quarks, followed by decays into both standard and exotic final states. We highlight the importance of large widths and the relative interaction strengths with Standard Model particles and new scalars. Then, we review the post-Moriond 2024 status of these models in light of available LHC data and discuss potential future strategies to enhance the scope of vector-like quark searches.

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TF08 Snowmass Report: BSM Model Building

Abstract: We summarize the state of Beyond the Standard Model (BSM) model building in particle physics for Snowmass 2021, focusing mainly on several whitepaper contributions to BSM model building (TF08) and closely related areas.

Cited by 2 publications

References 262 publications

Number of J/ψ events at BESIII *

Number of J/ψ events at BESIII *

Vector-like quarks: Status and new directions at the LHC

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