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Supersymmetric model contributions to the neutron electric dipole moment arise via quark electric dipole moment operators, whose matrix elements are usually calculated using the Naive Quark Model (NQM). However, experiments indicate that…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Ricardo A. Flores

It is shown that relative coordinate and momentum of coherent electron pair have the meaning of observables with the help of quadrupole and magnetic moments. Distributions of quadrupole terms of scalar potential are shown. These…

Quantum Physics · Physics 2007-05-23 Constantin V. Usenko , Nataliia O. Cherkashyna

Parity and time invariance violating (${\cal P},{\cal T}$-odd) nuclear forces produce ${\cal P},{\cal T}$-odd nuclear moments, for example, the nuclear Schiff moment. In turn, this moment can induce electric dipole moments (EDMs) in atoms.…

Nuclear Theory · Physics 2009-08-18 V. V. Flambaum , V. G. Zelevinsky

Relativistic formulas for the electric quadrupole moment of a hydrogenlike atom, induced by the hyperfine interaction, are derived for $ns_{1/2}$ and $np_{1/2}$ states. Both the magnetic dipole and electric quadrupole hyperfine interactions…

Atomic Physics · Physics 2009-11-11 Y. S. Kozhedub , V. M. Shabaev

We study the lepton electric dipole moments in the framework of the supersymmetric type II seesaw model where the exchange of heavy SU(2)_W triplets generates small neutrino masses. We show that the CP violating phase of the bilinear soft…

High Energy Physics - Phenomenology · Physics 2010-05-12 Toru Goto , Takayuki Kubo , Yasuhiro Okada

The Electric Dipole Moment of the electron (eEDM) is typically investigated in experiments using paramagnetic molecules. However, the physical observable in these searches consists in a linear combination of CP-violating interactions,…

High Energy Physics - Phenomenology · Physics 2025-03-31 Marco Ardu , Nicola Valori

The electromagnetic dipole moments of the tau lepton and the chromoelectromagnetic dipole moments of the top quark are estimated via flavor-changing neutral currents, mediated by a new neutral massive gauge boson. We predict them in the…

High Energy Physics - Phenomenology · Physics 2018-12-19 J. I. Aranda , D. Espinosa-Gomez , J. Montano , B. Quezadas-Vivian , F. Ramirez-Zavaleta , E. S. Tututi

A periodic potential applied to a nanotube is shown to lock electrons into incompressible states that can form a devil's staircase. Electron interactions result in spectral gaps when the electron density (relative to a half-filled Carbon…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Dmitry S. Novikov

We evaluate the baryon number abundance based on the charge transport scenario of top quarks in the CP-violating two Higgs doublet model, in which Yukawa interactions are aligned to avoid dangerous flavor changing neutral currents, and…

High Energy Physics - Phenomenology · Physics 2022-01-25 Kazuki Enomoto , Shinya Kanemura , Yushi Mura

We show that doping of hole charge carriers leads to formation of electric dipolar clusters in cuprates. They are created by many-body interactions between the dopant ion outside and holes inside the CuO planes. Because of the two-fold…

Strongly Correlated Electrons · Physics 2017-03-08 Mikko Saarela , F. V. Kusmartsev

We examine the correlations between new scalar boson decays to photons and electric dipole moments (EDMs) in the CP-violating flavor-aligned two-Higgs-doublet model (2HDM). It is convenient to work in the Higgs basis $\{{H}_1, {H}_2\}$…

High Energy Physics - Phenomenology · Physics 2025-03-27 Sumit Banik , Guglielmo Coloretti , Andreas Crivellin , Howard E. Haber

In the recent work [Phys. Rev. D 91, 111702(R) (2015)], C. Hill concludes that the axion electromagnetic anomaly induces an oscillating electron electric dipole moment of frequency $m_a$ and strength $\sim 10^{-32}~e$ cm, in the limit $v/c…

High Energy Physics - Phenomenology · Physics 2017-04-03 V. V. Flambaum , B. M. Roberts , Y. V. Stadnik

The current limits for fourth generation quarks allows to expect their mass of the order of 500 GeV. In this mass region for quark-anti-quark pair the additional Yukawa-type attraction due to Higgs mechanism is expected to emerge. This…

High Energy Physics - Phenomenology · Physics 2014-01-27 S. Bladwell , V. F. Dmitriev , V. V. Flambaum , A. Kozlov

We reconsider constraints on $\cp$-violating phases in the Constrained Minimal Supersymmetric Standard Model. We include the recent calculations of Ibrahim and Nath on the chromoelectric and purely gluonic contributions to the quark…

High Energy Physics - Phenomenology · Physics 2009-09-15 Toby Falk , Keith A. Olive

An analysis is given of the chromoelectric dipole moment of quarks and of the neutron in an MSSM extension where the matter sector contains an extra vectorlike generation of quarks and mirror quarks. The analysis includes contributions to…

High Energy Physics - Phenomenology · Physics 2015-09-02 Amin Aboubrahim , Tarek Ibrahim , Pran Nath , Anas Zorik

We calculate the electric dipole moments of the neutron and the Lambda within the framework of heavy baryon chiral perturbation theory. They are induced by strong CP-violating terms of the effective Lagrangian in the presence of the vacuum…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Borasoy

The two-nucleon contributions to the electric dipole moment (EDM) of the deuteron, induced by the QCD $\theta$-term, are calculated in the framework of effective field theory up-to-and-including next-to-next-to-leading order. In particular…

High Energy Physics - Phenomenology · Physics 2013-03-13 J. Bsaisou , C. Hanhart , S. Liebig , U. -G. Meißner , A. Nogga , A. Wirzba

We analyze the constraints placed on individual, flavor diagonal CP-violating phases in the minimal supersymmetric extension of the Standard Model (MSSM) by current experimental bounds on the electric dipole moments (EDMs) of the neutron,…

High Energy Physics - Phenomenology · Physics 2014-11-21 Yingchuan Li , Stefano Profumo , Michael Ramsey-Musolf

The Standard Model (SM) is the best description of fundamental particles and their interactions we have to date. From this theory, all phenomena in the macroscopic world (except for gravity) can be explained, and it has successfully…

High Energy Physics - Phenomenology · Physics 2024-07-30 Joan Ruiz-Vidal

We investigate the phenomenological constraints on a model where, besides the standard model Higgs sector, there is an effective new strong interaction acting on the third generation of quarks and characterized by a $\theta$-like term. This…

High Energy Physics - Phenomenology · Physics 2009-11-07 G. C. Branco , D. Delepine , R. Gonzalez Felipe