Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Thompson, Jedidiah O."'
The Froggatt-Nielsen (FN) mechanism is an elegant solution to the flavor problem. In its minimal application to the quark sector, the different quark types and generations have different charges under a $U(1)_X$ flavor symmetry. The SM Yukawa couplin
Externí odkaz:
http://arxiv.org/abs/2306.08026
The QCD axion offers a natural resolution to the strong CP problem and provides a compelling dark matter candidate. If the QCD axion constitutes all the dark matter, the simplest models pick out a narrow range of masses around $100\,\mu{\rm eV}$. We
Externí odkaz:
http://arxiv.org/abs/2306.04678
Autor:
Fedderke, Michael A., Thompson, Jedidiah O., Cervantes, Raphael, Giaccone, Bianca, Harnik, Roni, Kaplan, David E., Posen, Sam, Rajendran, Surjeet
Publikováno v:
Phys. Rev. D 109, 015025 (2024)
We propose a novel search technique for axions with a $CP$-violating monopole coupling $\tilde{g}_Q$ to bulk Standard Model charges $Q \in \{B,L,B-L\}$. Gradients in the static axion field configurations sourced by matter induce achromatic circular p
Externí odkaz:
http://arxiv.org/abs/2304.11261
Autor:
Henning, Brian, Murayama, Hitoshi, Riva, Francesco, Thompson, Jedidiah O., Walters, Matthew T.
We present a nonperturbative recipe for directly computing the $S$-matrix in strongly-coupled QFTs. The method makes use of spectral data obtained in a Hamiltonian framework and can be applied to a wide range of theories, including potentially QCD. W
Externí odkaz:
http://arxiv.org/abs/2209.14306
Pairs of misalignment-produced axions with nearby masses can experience a nonlinear resonance that leads to enhanced direct and astrophysical signatures of axion dark matter. In much of the relevant parameter space, self-interactions cause axion fluc
Externí odkaz:
http://arxiv.org/abs/2208.05501
A generic low-energy prediction of string theory is the existence of a large collection of axions, commonly known as a string axiverse. Axions also have a natural cosmological production mechanism, vacuum misalignment, making them well-motivated dark
Externí odkaz:
http://arxiv.org/abs/2109.09755
Autor:
Arvanitaki, Asimina, Dimopoulos, Savas, Galanis, Marios, Racco, Davide, Simon, Olivier, Thompson, Jedidiah O.
One contribution to any dark sector's abundance comes from its gravitational production during inflation. If the dark sector is weakly coupled to the inflaton and the Standard Model, this can be its only production mechanism. For non-interacting dark
Externí odkaz:
http://arxiv.org/abs/2108.04823
Autor:
Arvanitaki, Asimina, Dimopoulos, Savas, Galanis, Marios, Lehner, Luis, Thompson, Jedidiah O., Van Tilburg, Ken
Publikováno v:
Phys. Rev. D 101, 083014 (2020)
Axions are some of the best motivated particles beyond the Standard Model. We show how the attractive self-interactions of dark matter (DM) axions over a broad range of masses, from $10^{-22}$ eV to $10^7$ GeV, can lead to nongravitational growth of
Externí odkaz:
http://arxiv.org/abs/1909.11665
Publikováno v:
Phys. Rev. D 96, 065009 (2017)
We find double copy relations between classical radiating solutions in Yang-Mills theory coupled to dynamical color charges and their counterparts in a cubic bi-adjoint scalar field theory which interacts linearly with particles carrying bi-adjoint c
Externí odkaz:
http://arxiv.org/abs/1705.09263
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