All Outputs (16)

Testing realistic SO(10) SUSY GUTs with proton decay and gravitational waves (2024)
Journal Article
Fu, B., King, S. F., Marsili, L., Pascoli, S., Turner, J., & Zhou, Y.-L. (2024). Testing realistic SO(10) SUSY GUTs with proton decay and gravitational waves. Physical Review D, 109(5), Article 055025. https://doi.org/10.1103/physrevd.109.055025

We present a comprehensive analysis of a supersymmetric SO(10) grand unified theory, which is broken to the Standard Model via the breaking of two intermediate symmetries. The spontaneous breaking of the first intermediate symmetry, B−L, leads to the... Read More about Testing realistic SO(10) SUSY GUTs with proton decay and gravitational waves.

Superradiant leptogenesis (2024)
Journal Article
Ghoshal, A., Perez-Gonzalez, Y. F., & Turner, J. (2024). Superradiant leptogenesis. Journal of High Energy Physics, 2024(2), Article 113. https://doi.org/10.1007/jhep02%282024%29113

We investigate how superradiance affects the generation of baryon asymmetry in a universe with rotating primordial black holes, considering a scenario where a scalar boson is coupled to the heavy right-handed neutrinos. We identify the regions of the... Read More about Superradiant leptogenesis.

JUNO as a probe of the pseudo-Dirac nature using solar neutrinos (2023)
Journal Article
Franklin, J., Perez-Gonzalez, Y. F., & Turner, J. (2023). JUNO as a probe of the pseudo-Dirac nature using solar neutrinos. Physical Review D, 108(3), Article 035010. https://doi.org/10.1103/physrevd.108.035010

It remains a possibility that neutrinos are pseudo-Dirac states, such that a generation is composed of two maximally mixed Majorana neutrinos separated by a very small mass difference. We explore the physics potential of the JUNO experiment in constr... Read More about JUNO as a probe of the pseudo-Dirac nature using solar neutrinos.

Evaporation of primordial black holes in the early Universe: Mass and spin distributions (2023)
Journal Article
Cheek, A., Heurtier, L., Perez-Gonzalez, Y. F., & Turner, J. (in press). Evaporation of primordial black holes in the early Universe: Mass and spin distributions. Physical Review D, 108(1), Article 015005. https://doi.org/10.1103/physrevd.108.015005

Many cosmological phenomena lead to the production of primordial black holes in the early Universe. These phenomena often create a population of black holes with extended mass and spin distributions. As these black holes evaporate via Hawking radiati... Read More about Evaporation of primordial black holes in the early Universe: Mass and spin distributions.

ULYSSES, universal LeptogeneSiS equation solver: Version 2 (2023)
Journal Article
Granelli, A., Leslie, C., Perez-Gonzalez, Y., Schulz, H., Shuve, B., Turner, J., & Walker, R. (2023). ULYSSES, universal LeptogeneSiS equation solver: Version 2. Computer Physics Communications, 291(October), Article 108834. https://doi.org/10.1016/j.cpc.2023.108834

ULYSSES is a Python package that calculates the baryon asymmetry produced from leptogenesis in the context of a type-I seesaw mechanism. In this release, the new features include code which solves the Boltzmann equations for low-scale leptogenesis; t... Read More about ULYSSES, universal LeptogeneSiS equation solver: Version 2.

Redshift effects in particle production from Kerr primordial black holes (2022)
Journal Article
Cheek, A., Heurtier, L., Perez-Gonzalez, Y. F., & Turner, J. (2022). Redshift effects in particle production from Kerr primordial black holes. Physical Review D, 106(10), https://doi.org/10.1103/physrevd.106.103012

When rotating primordial black holes evaporate via Hawking radiation, their rotational energy and mass are dissipated with different dynamics. We investigate the effect of these dynamics on the production of dark radiation—in the form of hot graviton... Read More about Redshift effects in particle production from Kerr primordial black holes.

A predictive and testable unified theory of fermion masses, mixing and leptogenesis (2022)
Journal Article
Fu, B., King, S. F., Marsili, L., Pascoli, S., Turner, J., & Zhou, Y. (2022). A predictive and testable unified theory of fermion masses, mixing and leptogenesis. Journal of High Energy Physics, 2022(11), Article 72. https://doi.org/10.1007/jhep11%282022%29072

We consider a minimal non-supersymmetric SO(10) Grand Unified Theory (GUT) model that can reproduce the observed fermionic masses and mixing parameters of the Standard Model. We calculate the scales of spontaneous symmetry breaking from the GUT to th... Read More about A predictive and testable unified theory of fermion masses, mixing and leptogenesis.

Rescuing high-scale leptogenesis using primordial black holes (2022)
Journal Article
Bernal, N., Fong, C. S., Perez-Gonzalez, Y. F., & Turner, J. (2022). Rescuing high-scale leptogenesis using primordial black holes. Physical Review D, 106(3), https://doi.org/10.1103/physrevd.106.035019

We explore the interplay between light primordial black holes (PBH) and high-scale baryogenesis, with a particular emphasis on leptogenesis. We first review a generic baryogenesis scenario where a heavy particle, X, with mass, MX, produced solely fro... Read More about Rescuing high-scale leptogenesis using primordial black holes.

Dark matter freeze-out during SU(2)L confinement (2022)
Journal Article
Howard, J. N., Ipek, S., Tait, T. M., & Turner, J. (2022). Dark matter freeze-out during SU(2)L confinement. Journal of High Energy Physics, 2022(2), Article 47. https://doi.org/10.1007/jhep02%282022%29047

We explore the possibility that dark matter is a pair of vector-like fermionic SU(2)L doublets and propose a novel mechanism of dark matter production that proceeds through the confinement of the weak sector of the Standard Model. This confinement ph... Read More about Dark matter freeze-out during SU(2)L confinement.

Primordial black hole evaporation and dark matter production. II. Interplay with the freeze-in or freeze-out mechanism (2022)
Journal Article
Cheek, A., Heurtier, L., Perez-Gonzalez, Y. F., & Turner, J. (2022). Primordial black hole evaporation and dark matter production. II. Interplay with the freeze-in or freeze-out mechanism. Physical Review D, 105(1), https://doi.org/10.1103/physrevd.105.015023

We study how the evaporation of primordial black holes (PBHs) can affect the production of dark matter (DM) particles through thermal processes. We consider fermionic DM interacting with Standard Model particles via a spin-1 mediator in the context o... Read More about Primordial black hole evaporation and dark matter production. II. Interplay with the freeze-in or freeze-out mechanism.

Primordial black hole evaporation and dark matter production. I. Solely Hawking radiation (2022)
Journal Article
Cheek, A., Heurtier, L., Perez-Gonzalez, Y. F., & Turner, J. (2022). Primordial black hole evaporation and dark matter production. I. Solely Hawking radiation. Physical Review D, 105(1), https://doi.org/10.1103/physrevd.105.015022

Hawking evaporation of black holes in the early Universe is expected to copiously produce all kinds of particles, regardless of their charges under the Standard Model gauge group. For this reason, any fundamental particle, known or otherwise, could b... Read More about Primordial black hole evaporation and dark matter production. I. Solely Hawking radiation.

Assessing the tension between a black hole dominated early universe and leptogenesis (2021)
Journal Article
Perez-Gonzalez, Y. F., & Turner, J. (2021). Assessing the tension between a black hole dominated early universe and leptogenesis. Physical Review D, 104(10), https://doi.org/10.1103/physrevd.104.103021

We perform the first numerical calculation of the interplay between thermal and black hole induced leptogenesis, demonstrating that the right-handed neutrino surplus produced during the evaporation only partially mitigates the entropy dilution suffer... Read More about Assessing the tension between a black hole dominated early universe and leptogenesis.

Confronting SO(10) GUTs with proton decay and gravitational waves (2021)
Journal Article
King, S. F., Pascoli, S., Zhou, Y., & Turner, J. (2021). Confronting SO(10) GUTs with proton decay and gravitational waves. Journal of High Energy Physics, 2021(10), Article 225 (2021). https://doi.org/10.1007/jhep10%282021%29225

Grand Unified Theories (GUT) predict proton decay as well as the formation of cosmic strings which can generate gravitational waves. We determine which non-supersymmetric SO(10) breaking chains provide gauge unification in addition to a gravitational... Read More about Confronting SO(10) GUTs with proton decay and gravitational waves.

Light neutrino masses from gravitational condensation: the Schwinger–Dyson approach (2021)
Journal Article
Barenboim, G., Turner, J., & Zhou, Y. (2021). Light neutrino masses from gravitational condensation: the Schwinger–Dyson approach. The European Physical Journal C, 81(6), Article 511. https://doi.org/10.1140/epjc/s10052-021-09300-8

In this work we demonstrate that non-zero neutrino masses can be generated from gravitational interactions. We solve the Schwinger–Dyson equations to find a non-trivial vacuum thereby determining the neutrino condensate scale and the number of new pa... Read More about Light neutrino masses from gravitational condensation: the Schwinger–Dyson approach.

Gravitational Waves and Proton Decay: Complementary Windows into Grand Unified Theories (2021)
Journal Article
King, S. F., Pascoli, S., Turner, J., & Zhou, Y. (2021). Gravitational Waves and Proton Decay: Complementary Windows into Grand Unified Theories. Physical Review Letters, 126(2), Article 021802. https://doi.org/10.1103/physrevlett.126.021802

Proton decay is a smoking gun signature of grand unified theories (GUTs). Searches by Super-Kamiokande have resulted in stringent limits on the GUT symmetry-breaking scale. The large-scale multipurpose neutrino experiments DUNE, Hyper-Kamiokande, and... Read More about Gravitational Waves and Proton Decay: Complementary Windows into Grand Unified Theories.

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.