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Related papers: Plans for a Neutron EDM Experiment at SNS

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We investigate the role played by the fermionic determinant in the evaluation of the CP-violating neutron electric dipole moment (EDM) adopting the Instanton Liquid Model. Significant differences between quenched and unquenched calculations…

High Energy Physics - Phenomenology · Physics 2009-11-10 P. Faccioli , D. Guadagnoli , S. Simula

This paper describes the results of the most recent measurement of the permanent electric dipole moment (EDM) of neutral $^{199}$Hg atoms. Fused silica vapor cells containing enriched $^{199}$Hg are arranged in a stack in a common magnetic…

Atomic Physics · Physics 2017-08-21 B. Graner , Y. Chen , E. G. Lindahl , B. R. Heckel

We carry out a feasibility study for the lattice QCD calculation of the neutron electric dipole moment (NEDM) in the presence of the $\theta$ term. We develop the strategy to obtain the nucleon EDM from the CP-odd electromagnetic form…

High Energy Physics - Lattice · Physics 2008-11-26 E. Shintani , S. Aoki , N. Ishizuka , K. Kanaya , Y. Kikukawa , Y. Kuramashi , M. Okawa , Y. Tanigchi , A. Ukawa , T. Yoshié

Neutrino-electron scattering can be used to probe neutrino electromagnetic properties at low-threshold underground detectors with good angular and recoil electron energy resolution. We propose to do this using a number of artificial…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. G. Miranda , J. Segura , V. B. Semikoz , J. W. F. Valle

A fourth generation of quarks, if it exist, may provide sufficient CP violation for the baryon asymmetry of the Universe. We estimate the neutron electric dipole moment in the presence of a fourth generation, and find it would be dominated…

High Energy Physics - Phenomenology · Physics 2013-05-29 Junji Hisano , Wei-Shu Hou , Fanrong Xu

In this proceeding, we present the results of the theoretical evaluations of the electric dipole moment (EDM) of light nuclei, including the preliminary value for the 11B nucleus. From the data, we can infer an approximate counting rule,…

Nuclear Theory · Physics 2018-08-30 Nodoka Yamanaka

Fundamental neutron physics, combining precision measurements and theory, probes particle physics at short range with reach well beyond the highest energies probed by the LHC. Significant US efforts are underway that will probe BSM CP…

A measurement of the magnitude of the electric dipole moment of the electron (eEDM) larger than that predicted by the Standard Model (SM) of particle physics is expected to have a huge impact on the search for physics beyond the SM. Polar…

Precision measurements of neutrino-electron scattering may provide a viable way to test the non-minimal form of the charged and neutral current weak interactions within a hypothetical near-detector setup for the Deep Underground Neutrino…

High Energy Physics - Phenomenology · Physics 2024-06-26 Salvador Centelles Chuliá , O. G. Miranda , Jose W. F. Valle

We elaborate the possibility of using the atomic radiative emission of neutrino pair (RENP) to probe the neutrino electromagnetic properties, including magnetic and electric dipole moments, charge radius, and anapole. With the typical O(eV)…

High Energy Physics - Phenomenology · Physics 2023-12-22 Shao-Feng Ge , Pedro Pasquini

A resonance method of measuring the electric dipole moment (EDM) of nuclei in storage rings is described, based on two new ideas: (1) Oscillating particles' velocities in resonance with spin precession, and (2) alternately producing two…

High Energy Physics - Experiment · Physics 2009-11-11 Yuri F. Orlov , William M. Morse , Yannis K. Semertzidis

We explore the decay of free neutrons into exotic long-lived particles, whose decays could be detected in the next-generation free neutron experiments. We show that such a possibility is viable as long as the exotic particle is highly…

High Energy Physics - Experiment · Physics 2025-06-11 B. Meirose , R. Nieuwenhuis , R. Pasechnik , H. Gisbert , L. Vale Silva , D. Milstead

Low-energy dipole excitations have been investigated theoretically in N=50, several N=82 isotones and the Z=50 Sn isotopes. For this purpose a method incorporating both HFB and multi-phonon QPM theory is applied. A concentration of…

Nuclear Theory · Physics 2008-11-26 N. Tsoneva , H. Lenske

We study the anomalous magnetic and electric dipole moments of charged leptons in supersymmetric low-scale seesaw models with right-handed neutrino superfields. We consider a minimally extended framework of minimal supergravity, by assuming…

High Energy Physics - Phenomenology · Physics 2014-01-15 Amon Ilakovac , Apostolos Pilaftsis , Luka Popov

From the famous experiments of Stern and Gerlach to the present, measurements of magnetic dipole moments, and searches for electric dipole moments of ``elementary'' particles have played a major role in our understanding of sub-atomic…

High Energy Physics - Experiment · Physics 2009-11-10 B. Lee Roberts

Majorana neutrino electromagnetic properties are studied through neutral current coherent neutrino-nucleus scattering. We focus on the potential of the recently planned COHERENT experiment at the Spallation Neutron Source to probe…

High Energy Physics - Phenomenology · Physics 2015-07-29 T. S. Kosmas , O. G. Miranda , D. K. Papoulias , M. Tortola , J. W. F. Valle

Permanent electric dipole moments (EDMs) of fundamental particles provide powerful probes for physics beyond the Standard Model. We propose to search for the EDM of strange and charm baryons at LHC, extending the ongoing experimental…

High Energy Physics - Experiment · Physics 2021-05-21 L. Henry , D. Marangotto , A. Merli , N. Neri , J. Ruiz , F. Martinez Vidal

The electric dipole moment (EDM) of an atom could arise also from $P$-odd and $T$-odd electron-nucleon couplings. In this work we investigate a general class of dimension-$6$ electron-nucleon ($e$-$N$) nonminimal interactions mediated by…

High Energy Physics - Phenomenology · Physics 2019-08-07 Jonas B. Araujo , A. H. Blin , Marcos Sampaio , Manoel M. Ferreira

The milliQan Collaboration has proposed to search for millicharged particles by looking for very weakly ionizing tracks in a detector installed in a cavern near the CMS experiment at the LHC. We note that another form of exotica can also…

High Energy Physics - Phenomenology · Physics 2018-01-17 Marc Sher , Justin Stevens
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