Results 111 to 120 of about 29,222 (198)

Ultra cold neutrons: determination of the electric dipole moment and gravitational corrections via matter wave interferometry

, 2004
We propose experiments using ultra cold neutrons which can be used to determine the electric dipole moment of the neutron itself, a well as to test corrections to gravity as they are foreseen by string theories and Kaluza-Klein mechanisms.Comment: 3 ...
Abdalla, E., Hussein, M. S.
core   +3 more sources

Twists and Turns of Liquid Crystals Unravelled by Small‐Angle Scattering

Small Methods, Volume 10, Issue 3, 9 February 2026.
X‐ray scattering provides valuable insights into material structure and self‐assembly. This review discusses the use of small‐ and wide‐angle X‐ray scattering (SWAXS) as well as grazing incident SWAXS for examining self‐assembled systems, especially liquid crystals.
Jessie Wong, Jean‐Luc Brousseau, Hatem M. Titi   +2 more
wiley   +1 more source

Searches for Electric Dipole Moments—Overview of Status and New Experimental Efforts

Universe, 2019
Searches for permanent electric dipole moments (EDMs) of fundamental particles, atoms and molecules are promising experiments to constrain and potentially reveal beyond Standard Model (SM) physics.
Florian Kuchler, on behalf of the TUCAN and HeXeEDM Collaborations   +1 more
doaj   +1 more source

Galactic Cosmic Ray Ionization on Uranus; Geomagnetic Latitude Dependencies

Journal of Geophysical Research: Planets, Volume 131, Issue 2, February 2026.
Abstract Galactic Cosmic Rays (GCRs) are a major source of atmospheric ionization, influencing ion abundance, aerosol formation, and electrical processes. GCR‐induced effects are expected to be more pronounced on Uranus than planets closer to the Sun for two reasons; reduced solar irradiance, and weaker solar modulation of incident GCR.
Ola Al‐Khuraybi, Karen L. Aplin, Alberto Gambaruto   +2 more
wiley   +1 more source

Probing the QCD θ ¯ $$ \overline{\theta} $$ term with paramagnetic molecules

Journal of High Energy Physics
The experimental search for CP violation in paramagnetic atomic and molecular systems has made impressive progress in recent years. This has led to strong upper limits on the electron electric dipole moment.
Heleen Mulder, Rob Timmermans, Jordy de Vries   +2 more
doaj   +1 more source

A no-go theorem for non-standard explanations of the $\tau\to K_S\pi\nu_\tau$ CP asymmetry

SciPost Physics Proceedings, 2019
A new tensor interaction is the only possibility to explain the $2.8\sigma$ tension observed by the BaBar collaboration in the CP asymmetry in $\tau\to K_S\pi\nu_\tau$ with physics beyond the Standard Model (BSM) realized above the electroweak scale.
Vincenzo Cirigliano, Andreas Crivellin, Martin Hoferichter
doaj   +1 more source

The Neutron Electric Dipole Moment and CP-violating Couplings in the Supersymmetric Standard Model without R-parity

, 2000
We analyze the neutron electric dipole moment (EDM) in the Minimal Supersymmetric Model with explicit R-parity violating terms. The leading contribution to the EDM occurs at the 2-loop level and is dominated by the chromoelectric dipole moments of quarks,
A. Pilaftsis, B. Brahmachari, B. E. Sauer, B. E. Sauer, C. Kao, D. Bowser-Chao, D. Chang, D. Chang, D. Chang, D. Chang, D. Chang, Darwin Chang, E. Commins, F. Zwirner, G. Bhattacharyya, G. G. Ross, H. E. Haber, H. P. Nilles, J. Ellis, J. F. Gunion, J. L. Goity, K. Abdullah, K. S. Babu, L. Hall, M. Hirsch, Mariana Frank, P. G. Harris, R. Arnowitt, R. Barbieri, R. Barbieri, R. G. Leigh, R. Godbole, R. M. Godbole, R. N. Mohapatra, R. N. Mohapatra, S. A. Abel, S. Dawson, S. Dimopoulos, S. M. Barr, V. Barger, Wai-Yee Keung, We-Fu Chang   +41 more
core   +1 more source

Electroweak symmetry breaking and collider signatures in the next-to-minimal composite Higgs model

Journal of High Energy Physics, 2017
We conduct a detailed numerical analysis of the composite pseudo-Nambu-Goldstone Higgs model based on the next-to-minimal coset SO(6)/SO(5) ≅ SU(4)/Sp(4), featuring an additional SM singlet scalar in the spectrum, which we allow to mix with the Higgs ...
Christoph Niehoff, Peter Stangl, David M. Straub   +2 more
doaj   +1 more source

Electric dipole moment constraints on CP-violating heavy-quark Yukawas at next-to-leading order

, 2019
Electric dipole moments are sensitive probes of new phases in the Higgs Yukawa couplings. We calculate the complete two-loop QCD anomalous dimension matrix for the mixing of CP-odd scalar and tensor operators and apply our results for a phenomenological ...
Brod, Joachim, Stamou, Emmanuel
core   +1 more source

Theory of the neutron electric dipole moment [PDF]

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1989
Abstract Predictions of various models for the neutron electric dipole moment are presented and compared with the experimental situation of CP violation.
openaire   +1 more source