Outputs (2904)

Probing the type-II seesaw mechanism through the production of Higgs bosons at a lepton collider (2018)
Journal Article
Agrawal, P., Mitra, M., Niyogi, S., Shil, S., & Spannowsky, M. (2018). Probing the type-II seesaw mechanism through the production of Higgs bosons at a lepton collider. Physical Review D, 98(1), Article 015024. https://doi.org/10.1103/physrevd.98.015024

We investigate the production and decays of doubly-charged Higgs bosons for the Type-II seesaw mechanism at an eþe− collider with two center of mass energies, ffiffiffi s p ¼ 380 GeV and 3 TeV, and analyze the fully hadronic final states in detail. L... Read More about Probing the type-II seesaw mechanism through the production of Higgs bosons at a lepton collider.

Top quark FCNCs in extended Higgs sectors (2018)
Journal Article
Banerjee, S., Chala, M., & Spannowsky, M. (2018). Top quark FCNCs in extended Higgs sectors. The European Physical Journal C, 78(8), Article 683. https://doi.org/10.1140/epjc/s10052-018-6150-0

The large number of top quarks produced at the LHC and possible future hadron colliders allows to study rare decays of this particle. In many well motivated models of new physics, for example in non-minimal compositeHiggs models, the existence of sca... Read More about Top quark FCNCs in extended Higgs sectors.

Low-mass dark matter search with CDMSlite (2018)
Journal Article
Agnese, R., Anderson, A., Aralis, T., Aramaki, T., Arnquist, I., Baker, W., …Zhao, X. (2018). Low-mass dark matter search with CDMSlite. Physical Review D, 97(2), Article 022002. https://doi.org/10.1103/physrevd.97.022002

The SuperCDMS experiment is designed to directly detect weakly interacting massive particles (WIMPs) that may constitute the dark matter in our Galaxy. During its operation at the Soudan Underground Laboratory, germanium detectors were run in the CDM... Read More about Low-mass dark matter search with CDMSlite.

On neutrino mixing in matter and CP and T violation effects in neutrino oscillations (2018)
Journal Article
Petcov, S., & Zhou, Y. (2018). On neutrino mixing in matter and CP and T violation effects in neutrino oscillations. Physics Letters B, 785, 95-104. https://doi.org/10.1016/j.physletb.2018.08.025

Aspects of 3-neutrino mixing and oscillations in vacuum and in matter with constant density are investigated working with a real form of the neutrino Hamiltonian. We find the (approximate) equalities θm23= θ23and δm=δ, θ23(θm23) and δ (δm) being respe... Read More about On neutrino mixing in matter and CP and T violation effects in neutrino oscillations.

Monojet signatures from heavy colored particles: future collider sensitivities and theoretical uncertainties (2018)
Journal Article
Chakraborty, A., Kuttimalai, S., Lim, S. H., Nojiri, M. M., & Ruiz, R. (2018). Monojet signatures from heavy colored particles: future collider sensitivities and theoretical uncertainties. The European Physical Journal C, 78(8), Article 679. https://doi.org/10.1140/epjc/s10052-018-6149-6

In models with colored particle Q that can decay into a dark matter candidate X, the relevant collider process pp → QQ¯ → X X¯ + jets gives rise to events with significant transverse momentum imbalance. When the masses of Q and X are very close, the... Read More about Monojet signatures from heavy colored particles: future collider sensitivities and theoretical uncertainties.

Z's in neutrino scattering at DUNE (2019)
Journal Article
Ballett, P., Hostert, M., Pascoli, S., Perez-Gonzalez, Y. F., Tabrizi, Z., & Funchal, R. Z. (2019). Z's in neutrino scattering at DUNE. Physical Review D, 100(5), Article 055012. https://doi.org/10.1103/physrevd.100.055012

Novel leptophilic neutral currents can be tested at upcoming neutrino oscillation experiments using two complementary processes, neutrino trident production and neutrino-electron (ν − e) elastic scattering. Considering generic anomaly-free Uð1Þ exten... Read More about Z's in neutrino scattering at DUNE.

Complexity and typical microstates (2019)
Journal Article
Ross, S. F. (2019). Complexity and typical microstates. Physical Review D, 100(6), Article 066014. https://doi.org/10.1103/physrevd.100.066014

Typical black hole microstates in AdS=CFT were recently conjectured to have a geometrical dual with a smooth horizon and a portion of a second asymptotic region. I consider the application of the holographic complexity conjectures to this geometry. T... Read More about Complexity and typical microstates.

Surrogate models for direct dark matter detection (2018)
Journal Article
Cerdeño, D., Cheek, A., Reid, E., & Schulz, H. (2018). Surrogate models for direct dark matter detection. Journal of Cosmology and Astroparticle Physics, 2018(08), Article 011. https://doi.org/10.1088/1475-7516/2018/08/011

In this work we introduce RAPIDD, a surrogate model that speeds up the computation of the expected spectrum of dark matter particles in direct detection experiments. RAPIDD replaces the exact calculation of the dark matter differential rate (which in... Read More about Surrogate models for direct dark matter detection.

Associated production of a Higgs boson at NNLO (2016)
Journal Article
Campbell, J. M., Ellis, R. K., & Williams, C. (2016). Associated production of a Higgs boson at NNLO. Journal of High Energy Physics, 2016(06), Article 179. https://doi.org/10.1007/jhep06%282016%29179

In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully flexible pa... Read More about Associated production of a Higgs boson at NNLO.

Interference effects for Higgs boson mediatedZ-pair plus jet production (2014)
Journal Article
Campbell, J. M., Ellis, R. K., Furlan, E., & Röntsch, R. (2014). Interference effects for Higgs boson mediatedZ-pair plus jet production. Physical Review D, 90(9), Article 093008. https://doi.org/10.1103/physrevd.90.093008

We study interference effects in the production channel Z Z + jet , in particular focusing on the role of the Higgs boson. This production channel receives contributions both from Higgs boson mediated diagrams via the decay H → Z Z (signal diagrams),... Read More about Interference effects for Higgs boson mediatedZ-pair plus jet production.

Fully automated precision predictions for heavy neutrino production mechanisms at hadron colliders (2016)
Journal Article
Degrande, C., Mattelaer, O., Ruiz, R., & Turner, J. (2016). Fully automated precision predictions for heavy neutrino production mechanisms at hadron colliders. Physical Review D, 94(5), Article 053002. https://doi.org/10.1103/physrevd.94.053002

Motivated by TeV-scale neutrino mass models, we propose a systematic treatment of heavy neutrino (N) production at hadron colliders. Our simple and efficient modeling of the vector boson fusion (VBF) Wγ → Nl and Nl þ nj signal definitions resolve col... Read More about Fully automated precision predictions for heavy neutrino production mechanisms at hadron colliders.

A Monte Carlo approach to the 4D scattering equations (2018)
Journal Article
Farrow, J. A. (2018). A Monte Carlo approach to the 4D scattering equations. Journal of High Energy Physics, 2018(8), Article 85. https://doi.org/10.1007/jhep08%282018%29085

The scattering equation formalism is a general framework for calculation of amplitudes in theories of massless particles. We provide a detailed introduction to the 4D scattering equation framework accessible to non-experts, outline current difficulti... Read More about A Monte Carlo approach to the 4D scattering equations.

Effective alignments as building blocks of flavor models (2018)
Journal Article
de Medeiros Varzielas, I., Neder, T., & Zhou, Y. (2018). Effective alignments as building blocks of flavor models. Physical Review D, 97(11), Article 115033. https://doi.org/10.1103/physrevd.97.115033

Flavor models typically rely on flavons—scalars that break the family symmetry by acquiring vacuum expectation values in specific directions. We develop the idea of effective alignments, i.e., cases where the contractions of multiple flavons give ris... Read More about Effective alignments as building blocks of flavor models.

All-in-one relaxion: A unified solution to five particle-physics puzzles (2019)
Journal Article
Gupta, R., Reiness, J., & Spannowsky, M. (2019). All-in-one relaxion: A unified solution to five particle-physics puzzles. Physical Review D, 100(5), Article 055003. https://doi.org/10.1103/physrevd.100.055003

We present a unified relaxion solution to the five major outstanding issues in particle physics: Higgs mass naturalness, dark matter, matter-antimatter asymmetry, neutrino masses and the strong CP problem. The only additional field content in our con... Read More about All-in-one relaxion: A unified solution to five particle-physics puzzles.

Vortices and Vermas (2018)
Journal Article
Bullimore, M., Dimofte, T., Gaiotto, D., Hilburn, J., & Kim, H. (2018). Vortices and Vermas. Advances in Theoretical and Mathematical Physics, 22(4), 803-917. https://doi.org/10.4310/atmp.2018.v22.n4.a1

In three-dimensional gauge theories, monopole operators create and destroy vortices. We explore this idea in the context of 3d N=4 gauge theories in the presence of an Ω-background. In this case, monopole operators generate a non-commutative algebra... Read More about Vortices and Vermas.

Twisted Hilbert spaces of 3d supersymmetric gauge theories (2018)
Journal Article
Bullimore, M., & Ferrari, A. (2018). Twisted Hilbert spaces of 3d supersymmetric gauge theories. Journal of High Energy Physics, 2018(08), Article 018. https://doi.org/10.1007/jhep08%282018%29018

We study aspects of 3d N=2 supersymmetric gauge theories on the product of a line and a Riemann surface. Performing a topological twist along the Riemann surface leads to an effective supersymmetric quantum mechanics on the line. We propose a constru... Read More about Twisted Hilbert spaces of 3d supersymmetric gauge theories.

Elastic and diffractive scattering at the LHC (2018)
Journal Article
Khoze, V., Martin, A., & Ryskin, M. (2018). Elastic and diffractive scattering at the LHC. Physics Letters B, 784, 192-198. https://doi.org/10.1016/j.physletb.2018.07.054

Inspired by the new TOTEM data on elastic pp scattering at 13 TeV, we study the possibility to describe all the diffractive collider data (, , ) in a wide interval of energy (0.0625 to 13 TeV) in the framework of a two-channel eikonal model. We show... Read More about Elastic and diffractive scattering at the LHC.

Production Rate Measurement of Tritium and Other Cosmogenic Isotopes in Germanium with CDMSlite (2018)
Journal Article
Agnese, R., Aralis, T., Aramaki, T., Arnquist, I., Azadbakht, E., Baker, W., …Zhao, X. (2019). Production Rate Measurement of Tritium and Other Cosmogenic Isotopes in Germanium with CDMSlite. Astroparticle Physics, 104, 1-12. https://doi.org/10.1016/j.astropartphys.2018.08.006

Future direct searches for low-mass dark matter particles with germanium detectors, such as SuperCDMS SNOLAB, are expected to be limited by backgrounds from radioactive isotopes activated by cosmogenic radiation inside the germanium. There are limite... Read More about Production Rate Measurement of Tritium and Other Cosmogenic Isotopes in Germanium with CDMSlite.

First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector (2018)
Journal Article
Agnese, R., Aralis, T., Aramaki, T., Arnquist, I., Azadbakht, E., Baker, W., …Zhao, X. (2018). First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector. Physical Review Letters, 121(5), Article 051301. https://doi.org/10.1103/physrevlett.121.051301

We present the first limits on inelastic electron-scattering dark matter and dark photon absorption using a prototype SuperCDMS detector having a charge resolution of 0.1 electron-hole pairs (CDMS HVeV, a 0.93 g CDMS high-voltage device). These elect... Read More about First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector.

Behavior of composite resonances breaking lepton flavor universality (2018)
Journal Article
Chala, M., & Spannowsky, M. (2018). Behavior of composite resonances breaking lepton flavor universality. Physical Review D, 98(3), Article 035010. https://doi.org/10.1103/physrevd.98.035010

Within the context of composite Higgs models, recent hints on lepton flavor nonuniversality in B decays can be explained by a vector resonance V with sizeable couplings to the Standard Model leptons ( ℓ ). We argue that, in such a case, spin- 1 / 2 l... Read More about Behavior of composite resonances breaking lepton flavor universality.