Search Results - "Hostert, Matheus"

A dark seesaw solution to low energy anomalies: MiniBooNE, the muon (g − 2), and BaBar by Abdullahi, Asli, Hostert, Matheus, Pascoli, Silvia

“…A recent update from MiniBooNE has strengthened the observed 4.8σ excess of e-like events. Motivated by this and other notable deviations from standard model…”
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Testing New Physics Explanations of the MiniBooNE Anomaly at Neutrino Scattering Experiments by Argüelles, Carlos A, Hostert, Matheus, Tsai, Yu-Dai

“…Heavy neutrinos with additional interactions have recently been proposed as an explanation to the MiniBooNE excess. These scenarios often rely on marginally…”
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New physics in multi-electron muon decays by Hostert, Matheus, Menzo, Tony, Pospelov, Maxim, Zupan, Jure

“…A bstract We study the exotic muon decays with five charged tracks in the final state. First, we investigate the Standard Model rate for μ + → 3 e + 2 e − 2 ν…”
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Neutrino trident scattering at near detectors by Ballett, Peter, Hostert, Matheus, Pascoli, Silvia, Perez-Gonzalez, Yuber F., Tabrizi, Zahra, Funchal, Renata Zukanovich

“…A bstract Neutrino trident scattering is a rare Standard Model process where a charged-lepton pair is produced in neutrino-nucleus scattering. To date, only…”
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Effective portals to heavy neutral leptons by Fernández-Martínez, Enrique, González-López, Manuel, Hernández-García, Josu, Hostert, Matheus, López-Pavón, Jacobo

“…A bstract The existence of right-handed neutrinos, or heavy neutral leptons (HNLs), is strongly motivated by the observation of neutrino masses and mixing. The…”
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Constraining light thermal inelastic dark matter with NA64 by Mongillo, Martina, Abdullahi, Asli, Banto Oberhauser, Benjamin, Crivelli, Paolo, Hostert, Matheus, Massaro, Daniele, Molina Bueno, Laura, Pascoli, Silvia

“…A vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations,…”
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Neutrino non-standard interactions: A status report by Dev, Bhupal, Babu, K. S., Denton, Peter, Machado, Pedro, Argüelles, Carlos A., Barrow, Joshua L., Chatterjee, Sabya Sachi, Chen, Mu-Chun, de Gouvêa, André, Dutta, Bhaskar, Gonçalves, Dorival, Han, Tao, Hostert, Matheus, Jana, Sudip, Kelly, Kevin J., Li, Shirley Weishi, Martinez-Soler, Ivan, Mehta, Poonam, Mocioiu, Irina, Perez-Gonzalez, Yuber F., Salvado, Jordi, Shoemaker, Ian, Tammaro, Michele, Thapa, Anil, Turner, Jessica, Xu, Xun-Jie

“…This report summarizes the present status of neutrino non-standard interactions (NSI). After a brief overview, several aspects of NSIs are discussed, including…”
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Feebly-interacting particles: FIPs 2020 workshop report by Agrawal, P., Bauer, M., Beacham, J., Berlin, A., Boyarsky, A., Cebrian, S., Cid-Vidal, X., d’Enterria, D., De Roeck, A., Drewes, M., Echenard, B., Giannotti, M., Giudice, G. F., Gninenko, S., Gori, S., Goudzovski, E., Heeck, J., Hernandez, P., Hostert, M., Irastorza, I. G., Izmaylov, A., Jaeckel, J., Kahlhoefer, F., Knapen, S., Krnjaic, G., Lanfranchi, G., Monroe, J., Outschoorn, V. I. Martinez, Lopez-Pavon, J., Pascoli, S., Pospelov, M., Redigolo, D., Ringwald, A., Ruchayskiy, O., Ruderman, J., Russell, H., Salfeld-Nebgen, J., Schuster, P., Shaposhnikov, M., Shchutska, L., Shelton, J., Soreq, Y., Stadnik, Y., Swallow, J., Tobioka, K., Tsai, Y.-D.

“…With the establishment and maturation of the experimental programs searching for new physics with sizeable couplings at the LHC, there is an increasing…”
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DarkNews: A Python-based event generator for heavy neutral lepton production in neutrino-nucleus scattering by Abdullahi, Asli M., Hoefken Zink, Jaime, Hostert, Matheus, Massaro, Daniele, Pascoli, Silvia

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Neutrino self-interactions: A white paper by Berryman, Jeffrey M., Blinov, Nikita, Brdar, Vedran, Brinckmann, Thejs, Bustamante, Mauricio, Cyr-Racine, Francis-Yan, Das, Anirban, de Gouvêa, André, Denton, Peter B., Dev, P.S. Bhupal, Dutta, Bhaskar, Esteban, Ivan, Fiorillo, Damiano, Gerbino, Martina, Ghosh, Subhajit, Ghosh, Tathagata, Grohs, Evan, Han, Tao, Hannestad, Steen, Hostert, Matheus, Huber, Patrick, Hyde, Jeffrey, Kelly, Kevin J., Kling, Felix, Liu, Zhen, Lattanzi, Massimiliano, Loverde, Marilena, Pandey, Sujata, Saviano, Ninetta, Sen, Manibrata, Shoemaker, Ian M., Tangarife, Walter, Zhang, Yongchao, Zhang, Yue

“…Neutrinos are the Standard Model (SM) particles which we understand the least, often due to how weakly they interact with the other SM particles. Beyond this,…”
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Hidden physics at the neutrino frontier : tridents, dark forces, and hidden particles by Hostert, Matheus

“…The unexplained origin of neutrino masses suggests that these neutral and weakly interacting particles might provide a portal to physics beyond the Standard…”
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Pion decay constraints on exotic 17 MeV vector bosons by Hostert, Matheus, Pospelov, Maxim

“…We derive constraints on the couplings of light vector particles to all first-generation Standard Model fermions using leptonic decays of the charged pion,…”
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Constraints on Decaying Sterile Neutrinos from Solar Antineutrinos by Hostert, Matheus, Pospelov, Maxim

“…Phys. Rev. D 104, 055031 (2021) Solar neutrino experiments are highly sensitive to sources of $\nu\to\overline{\nu}$ conversions in the $^8$B neutrino flux. In…”
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Decaying sterile neutrinos at short baselines by Hostert, Matheus, Kelly, Kevin J, Zhou, Tao

“…Long-standing anomalous experimental results from short-baseline neutrino experiments have persisted for decades. These results, when interpreted with one or…”
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Novel multi-lepton signatures of dark sectors in light meson decays by Hostert, Matheus, Pospelov, Maxim

“…We point out kaon decays to multiple charged leptons as a novel probe of light dark particles $X$. Previously neglected channels, such as $K^+\to \pi^+…”
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Resonant Neutrino Flavor Conversion in the Atmosphere by Sponsler, Connor, Hostert, Matheus, Martinez-Soler, Ivan, Argüelles, Carlos A

“…Neutrinos produced in the atmosphere traverse a column density of air before being detected at neutrino observatories like IceCube or KM3NeT. In this work, we…”
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Efficiently Exploring Multi-Dimensional Parameter Spaces Beyond the Standard Model by Argüelles, Carlos A, Foppiani, Nicolò, Hostert, Matheus

“…We propose a method to ease the challenges of exploring multi-dimensional parameter spaces in beyond-the-Standard Model theories. We evaluate the model…”
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Heavy neutral leptons below the kaon mass at hodoscopic detectors by Argüelles, Carlos A, Foppiani, Nicolò, Hostert, Matheus

“…Heavy neutral leptons ($N$) below the kaon mass are severely constrained by cosmology and lab-based searches for their decays in flight. If $N$ interacts via…”
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New physics in multi-electron muon decays by Hostert, Matheus, Menzo, Tony, Pospelov, Maxim, Zupan, Jure

“…We study the exotic muon decays with five charged tracks in the final state. First, we investigate the Standard Model rate for $\mu^+ \to 3e^+\,2e^-\,2\nu$ ($B…”
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Dark sectors in neutron-shining-through-a-wall and nuclear absorption signals by Hostert, Matheus, McKeen, David, Pospelov, Maxim, Raj, Nirmal

“…We propose new searches for $n^\prime$, a dark baryon that can mix with the Standard Model neutron. We show that IsoDAR, a proposal to place an intense…”
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