Publications (22)
Electroweak Symmetry Restoration and Radiation Amplitude Zeros
Rodolfo Capdevilla, Tao Han
In high-energy collisions far above the electroweak scale, the effects of electroweak symmetry breaking are expected to become parametrically small . This defines the…
The physics case of a 3 TeV muon collider stage
Jorge De Blas, Dario Buttazzo, Rodolfo Capdevilla +131
In the path towards a muon collider with center of mass energy of 10 TeV or more, a stage at 3 TeV emerges as an appealing option. Reviewing the physics potential of such muon coll…
Hunting wino and higgsino dark matter at the muon collider with disappearing tracks
Rodolfo Capdevilla, Federico Meloni, Rosa Simoniello +1
We study the capabilities of a muon collider experiment to detect disappearing tracks originating when a heavy and electrically charged long-lived particle decays via $X^+ \to Y^+…
Gravitational Wave Detection With Plasma Haloscopes
Rodolfo Capdevilla, Graciela B. Gelmini, Jonah Hyman +2
Searches for high frequency gravitational waves using cavities based on the Gertsenshtein effect were recently proposed, building off existing axion dark matter experiments. In par…
Neutrino-Antineutrino Conversion from Ultralight Vector Dark Matter
Asher Berlin, Rodolfo Capdevilla, Ting Cheng +2
We show that Majorana neutrinos convert into antineutrinos in a background of ultralight vector dark matter coupled to lepton number, such as the gauge boson of …
High-Frequency Gravitational Waves on BREAD
Rodolfo Capdevilla, Roni Harnik, Taegyun Kim +1
The use of light axion dark matter experiments as high-frequency gravitational wave (HFGW) detectors has garnered increasing attention in recent years. We explore the capabilities…
Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
Tulika Bose, Antonio Boveia, Caterina Doglioni +318
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. It combines the EF topical group reports of EF08 (Model-specific explorations), EF09 (More gen…
Di-Higgs Signatures in Neutral Naturalness
Mario W. Barela, Rodolfo Capdevilla
The Higgs boson was the last fundamental piece of the Standard Model to be experimentally confirmed. LHC is embarked in a quest to probe the possibility that this particle provides…
Gravitational Photon Polarization Twist to Probe the Early Universe and the Galactic Center
Rodolfo Capdevilla
It is known that gravitational wave backgrounds (GWBs) change the polarization state of photons. This letter explores the possibility of using this effect to detect GWBs. The propo…
Building an AI-native Research Ecosystem for Experimental Particle Physics: A Community Vision
Thea Klaeboe Aarrestad, Alaa Abdelhamid, Haider Abidi +457
Experimental particle physics seeks to understand the universe by probing its fundamental particles and forces and exploring how they govern the large-scale processes that shape co…
A Guaranteed Discovery at Future Muon Colliders
Rodolfo Capdevilla, David Curtin, Yonatan Kahn +1
The longstanding muon g-2 anomaly may indicate the existence of new particles that couple to muons, which could either be light (< GeV) and weakly coupled, or heavy (>> 100 GeV) wi…
MuCol Milestone Report No. 7: Consolidated Parameters
Rebecca Taylor, Antoine Chancé, Dario Augusto Giove +459
This document is comprised of a collection of consolidated parameters for the key parts of the muon collider. These consolidated parameters follow on from the October 2024 Prelimin…
The Muon Collider
Carlotta Accettura, Simon Adrian, Rohit Agarwal +450
Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. A Muon Collider enables direct access to the underlying simplicity of the…
Systematically Testing Singlet Models for
Rodolfo Capdevilla, David Curtin, Yonatan Kahn +1
We comprehensively study all viable new-physics scenarios that resolve the muon anomaly with only Standard Model singlet particles coupled to muons via renormalizable in…
MuCol Milestone Report No. 5: Preliminary Parameters
Carlotta Accettura, Simon Adrian, Rohit Agarwal +391
This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2…
Searching for Leptoquarks at Future Muon Colliders
Pouya Asadi, Rodolfo Capdevilla, Cari Cesarotti +1
A high energy muon collider can provide new and complementary discovery potential to the LHC or future hadron colliders. Leptoquarks are a motivated class of exotic new physics mod…
Radiative corrections relating leptoquark-fermion couplings probed at low and high energy
Innes Bigaran, Rodolfo Capdevilla, Ulrich Nierste
Scalar leptoquarks (LQ) with masses between 2 TeV and 50 TeV are prime candidates to explain deviations between measurements and Standard-Model predictions in decay observables of…
Towards a Muon Collider
Carlotta Accettura, Dean Adams, Rohit Agarwal +294
A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions a…
A No-Lose Theorem for Discovering the New Physics of at Muon Colliders
Rodolfo Capdevilla, David Curtin, Yonatan Kahn +1
We perform a model-exhaustive analysis of all possible beyond Standard Model (BSM) solutions to the anomaly to study production of the associated new states at future mu…
Discovering Electroweak Interacting Dark Matter at Muon Colliders using Soft Tracks
Rodolfo Capdevilla, Federico Meloni, Jose Zurita
Minimal Dark Matter models feature one neutral particle that serves as a thermal relic dark matter candidate, as well as quasi-degenerate charged states with TeV masses. When the c…
Testing the Neutrino Content of the Muon at Muon Colliders
Rodolfo Capdevilla, Francesco Garosi, David Marzocca +1
Collinear emission of bosons off a high-energy muon induces a large muon-neutrino component among the Parton Distribution Functions (PDFs) of a muon. In this paper we study the…
Muon Collider Physics Summary
Chiara Aimè, Aram Apyan, Mohammed Attia Mahmoud +122
The perspective of designing muon colliders with high energy and luminosity, which is being investigated by the International Muon Collider Collaboration, has triggered a growing i…