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In computer vision, fine-tuning is the de-facto approach to leverage pre-trained vision models to perform downstream tasks. However, deploying it in practice is quite challenging, due to adopting parameter inefficient global update and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Xing Nie , Bolin Ni , Jianlong Chang , Gaomeng Meng , Chunlei Huo , Zhaoxiang Zhang , Shiming Xiang , Qi Tian , Chunhong Pan

Results are reported from a search for a class of composite dark matter models with feeble, long-range interactions with normal matter. We search for impulses arising from passing dark matter particles by monitoring the mechanical motion of…

High Energy Physics - Experiment · Physics 2020-11-03 Fernando Monteiro , Gadi Afek , Daniel Carney , Gordan Krnjaic , Jiaxiang Wang , David C. Moore

A comprehensive analysis of cosmological and collider constraints is presented for three simplified models characterised by a dark matter candidate (real scalar, Majorana fermion and real vector) and a coloured mediator (fermion, scalar and…

High Energy Physics - Phenomenology · Physics 2021-04-22 Chiara Arina , Benjamin Fuks , Luca Mantani , Hanna Mies , Luca Panizzi , Jakub Salko

Long-lived colored particles with masses m > 200 GeV are allowed by current accelerator searches, and are predicted by a number of scenarios for physics beyond the standard model. We argue that such "heavy partons'' effectively have a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Junhai Kang , Markus A. Luty , Salah Nasri

This article is a pedagogical review to searches for long-lived particles at the LHC, primarily aimed at experimentalists and theorists seeking to initiate and/or deepen their research in this field. We cover general theory priors and…

High Energy Physics - Phenomenology · Physics 2022-12-09 Simon Knapen , Steven Lowette

Long-lived charged particles are predicted by various theories beyond the Standard Model, leading to unique signatures that could reveal new physics. At the LHC, the CMS detector enables searches for these massive particles, identifiable by…

High Energy Physics - Experiment · Physics 2025-11-06 Tamas Almos Vami

We present a novel approach to identify potential dispersed signals of new physics in the slew of published LHC results. It employs a random walk algorithm to introduce sets of new particles, dubbed "proto-models", which are tested against…

High Energy Physics - Phenomenology · Physics 2021-05-20 Sabine Kraml , Andre Lessa , Wolfgang Waltenberger

Long-lived particles (LLPs) provide an unambiguous signal for physics beyond the Standard Model (BSM). They have a distinct detector signature, with decay lengths corresponding to lifetimes of around nanoseconds or longer. Lepton colliders…

High Energy Physics - Experiment · Physics 2025-11-18 Yulei Zhang , Cen Mo , Xiang Chen , Bingzhi Li , Hongyang Chen , Jifeng Hu , Liang Li

Direct searches for low mass dark matter particles via scattering off target nuclei require detection of recoiling atoms with energies of ~1 keV or less. The amount of electronic excitation produced by such atoms is quenched relative to a…

Instrumentation and Methods for Astrophysics · Physics 2015-04-16 Peter Sorensen

While the main goal of the J-PARC KOTO experiment is to measure the rare decay $K_L \to \pi^0 \nu \bar \nu$, the unique setup of KOTO raises the possibility to search for physics beyond the Standard Model, in an attempt to probe parts of…

High Energy Physics - Phenomenology · Physics 2023-09-28 Yoav Afik , Babette Döbrich , Jan Jerhot , Yotam Soreq , Kohsaku Tobioka

The cosmic curvature, a fundamental parameter for cosmology could hold deep clues to inflation and cosmic origins. We propose an improved model-independent method to constrain the cosmic curvature by combining the constructed Hubble diagram…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-19 Tonghua Liu , Shuo Cao , Jia Zhang , Marek Biesiada , Yuting Liu , Yujie Lian

We present a method based on three-particle azimuthal correlation cumulants for the study of the interaction of jets with the medium produced in heavy ion collisions at RHIC and LHC usable whenever jets cannot be reconstructed on an…

Nuclear Experiment · Physics 2008-11-26 Claude Pruneau

If long lived charged particles exist, and produced at the LHC, they may travel with velocity significantly slower than the speed of light. This unique signature was not considered during the design of the LHC experiments, ATLAS and CMS. As…

High Energy Physics - Experiment · Physics 2009-09-29 S. Bressler

Long-lived particles (LLPs), i.e., particles with macroscopic lifetimes $\tau>10$~ns, appear in various extensions of the Standard Model (SM) that address fundamental questions like the particulate nature of dark matter or baryogenesis. The…

High Energy Physics - Experiment · Physics 2025-11-03 ANUBIS Collaboration

The prompt has become an effective linguistic tool for utilizing pre-trained language models. However, in few-shot scenarios, subtle changes in the prompt design always make the result widely different, and the prompt learning methods also…

Computation and Language · Computer Science 2024-03-13 Jinta Weng , Yifan Deng , d Donghao Li , Hao You , Yue Hu , Heyan Huang

Combining cosmological probes has consolidated the standard cosmological model with percent precision, but some tensions have recently emerged when certain parameters are estimated from the local or primordial Universe. The origin of this…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-16 Fabrizio Cogato , Michele Moresco , Lorenzo Amati , Andrea Cimatti

Many extensions of the Standard Model predict large numbers of additional unstable particles whose decays in the early universe are tightly constrained by observational data. For example, the decays of such particles can alter the ratios of…

High Energy Physics - Phenomenology · Physics 2019-02-20 Keith R. Dienes , Jason Kumar , Patrick Stengel , Brooks Thomas

Exploring exoplanets has transformed our understanding of the universe by revealing many planetary systems that defy our current understanding. To study their atmospheres, spectroscopic observations are used to infer essential atmospheric…

Earth and Planetary Astrophysics · Physics 2025-12-19 Flavio Giobergia , Alkis Koudounas , Elena Baralis

The exquisite capabilities of liquid Argon Time Projection Chambers make them ideal to search for weakly interacting particles in Beyond the Standard Model scenarios. Given their location at CERN the ProtoDUNE detectors may be exposed to a…

High Energy Physics - Phenomenology · Physics 2024-01-26 Pilar Coloma , Jacobo López-Pavón , Laura Molina-Bueno , Salvador Urrea

We investigate the discovery potential for long-lived particles produced in association with a top-antitop quark pair at the (High-Luminosity) LHC. Compared to inclusive searches for a displaced vertex, top-associated signals offer new…

High Energy Physics - Phenomenology · Physics 2023-11-02 Lovisa Rygaard , Jeremi Niedziela , Ruth Schäfer , Sebastian Bruggisser , Juliette Alimena , Susanne Westhoff , Freya Blekman