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We calculate the nucleon matrix element of Weinberg's dimension-6 CP-odd gluon operator $f^{abc} (\tilde F_{\mu\nu})^a (F^{\mu\rho})^b (F^{\nu}_{\;\;\rho})^c$ in the instanton vacuum. In leading order of the instanton packing fraction, the…

High Energy Physics - Phenomenology · Physics 2021-06-16 C. Weiss

We estimate the electron and neutron electric dipole moments in the focus point scenario of the minimal SUGRA model corresponding to large sfermion masses and moderate to large $\tan\beta$. There is a viable region of moderate fine-tuning…

High Energy Physics - Phenomenology · Physics 2009-10-31 Utpal Chattopadhyay , Tarek Ibrahim , D. P. Roy

We provide an interpretation of the structure functions of a thermal medium such as the quark-gluon plasma in terms of the scattering of an incoming electron on the medium via the exchange of a spacelike photon. We then focus on the…

High Energy Physics - Phenomenology · Physics 2020-12-15 Tim Harris , Harvey B. Meyer , Arianna Toniato , Marco Cè

The electric dipole moment of the muon ($d_\mu$) is evaluated in a two Higgs doublet model with a softly broken discrete symmetry. For $\tan\beta \equiv |v_2|/|v_1| \sim 1$, contributions from two loop diagrams involving the $t$ quark and…

High Energy Physics - Phenomenology · Physics 2016-11-03 Vernon Barger , Chung Kao , Ashok Das

Considering the CP violating phases, we analyze the neutron electric dipole moment (EDM) in a CP violating supersymmetric extension of the standard model where baryon and lepton numbers are local gauge symmetries(BLMSSM). The contributions…

High Energy Physics - Phenomenology · Physics 2015-06-16 Shu-Min Zhao , Tai-Fu Feng , Ben Yan , Hai-Bin Zhang , Yin-Jie Zhang , Biao Chen , Xue-Qian Li

The nuclear physics relevant to the electric dipole moment (EDM) of the deuteron is addressed. The general operator structure of the $P$- and $T$-odd nucleon-nucleon interaction is discussed and applied to the two-body contributions of the…

Nuclear Theory · Physics 2014-11-18 C. -P. Liu , R. G. E. Timmermans

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 investigate the dynamic nuclear polarization process by frequently injecting polarized electron spins into a quantum dot. Due to the suppression of the direct dipolar and indirect electron-mediated nuclear spin interactions, by the…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Na Wu , Wenkui Ding , Anqi Shi , Wenxian Zhang

We perform calculations of the CP-violating atomic and molecular electric dipole moments (EDM) induced by the interaction of the nuclear Schiff moments with electrons. EDM of atoms Eu, Dy, Gd, Ac, Th, Pa, U, Np and Pu are of special…

Atomic Physics · Physics 2020-04-15 V. V. Flambaum , V. A. Dzuba

The electric dipole moment of the muon ($d_\mu$) is evaluated in a two Higgs doublet model with a softly broken discrete symmetry. The leading contributions from both one loop and two loop diagrams are considered. For $\tan\beta \equiv…

High Energy Physics - Phenomenology · Physics 2009-09-15 Vernon Barger , Ashok Das , Chung Kao

We address novel features of deep inelastic lepton scattering on nuclei at small Bjorken variable $x_{Bj}$. In this regime the lepton-nuclear cross section involves the interference between the standard lepton-quark scattering amplitude for…

High Energy Physics - Phenomenology · Physics 2021-12-07 Stanley J. Brodsky , Valery E. Lyubovitskij , Ivan Schmidt

The continued interest in placing bounds on the neutron's Electric Dipole Moment (EDM) is due to the implications regarding the characteristics of the strong interaction and, in particular, its behavior under the CP symmetry. In this work,…

High Energy Physics - Phenomenology · Physics 2024-11-26 Octavio Guerrero , Libertad Barrón-Palos , Daniel Sudarsky

We investigate deep inelastic scattering off the polarized "neutron" using gauge/string duality. The "neutron" corresponds to a supergravity mode of the neutral dilatino. Through introducing the Pauli interaction term into the action in…

High Energy Physics - Phenomenology · Physics 2014-11-20 Jian-Hua Gao , Zong-Gang Mou

We present a theoretical approach to investigate the scattering of polarized electrons from light nuclei using the multipole expansion for the scattering cross section within the framework of the unified electroweak theory. Scattering…

Nuclear Theory · Physics 2026-05-01 Minh Truong Vo , Vu Dong Tran , Quang Hung Nguyen

Quantum fluctuations in the QED vacuum generate non-linear effects, such as peculiar induced electromagnetic fields. In particular, we show here that an electrically neutral particle, possessing a magnetic dipole moment, develops an induced…

High Energy Physics - Phenomenology · Physics 2009-09-01 C. A. Dominguez , H. Falomir , M. Ipinza , S. Kohler , M. Loewe , J. C. Rojas

Within nuclear DFT, we calculated spectroscopic magnetic dipole and electric quadrupole moments for various quasiparticle configurations of odd-$N$, even-$Z$, $83\leq{}N\leq125$ nuclei ranging from gadolinium to osmium. By tagging the…

Nuclear Theory · Physics 2026-05-06 J. Dobaczewski , A. E. Stuchbery , G. Danneaux , A. Nagpal , P. L. Sassarini , H. Wibowo

We provide a consistent and complete calculation of the electric dipole moments of the deuteron, helion, and triton in the framework of chiral effective field theory. The CP-conserving and CP-violating interactions are treated on equal…

High Energy Physics - Phenomenology · Physics 2015-05-19 J. Bsaisou , J. de Vries , C. Hanhart , S. Liebig , Ulf-G. Meißner , D. Minossi , A. Nogga , A. Wirzba

We calculate the electric dipole moment of the nucleon induced by the QCD theta term. We use the gradient flow to define the topological charge and use $N_f = 2+1$ flavors of dynamical quarks corresponding to pion masses of $700$, $570$,…

High Energy Physics - Lattice · Physics 2021-01-27 Jack Dragos , Thomas Luu , Andrea Shindler , Jordy de Vries , Ahmed Yousif

A series expansion of the interaction between a nucleus and its surrounding electron distribution provides terms that are well-known in the study of hyperfine interactions: the familiar quadrupole interaction and the less familiar…

Atomic and Molecular Clusters · Physics 2015-05-14 Katrin Koch , Klaus Koepernik , Dimitri Van Neck , Helge Rosner , Stefaan Cottenier

Supersymmetric loop corrections induce potentially large CP-violating couplings of the Higgs bosons to nucleons and electrons that do not vanish in the limit of heavy superpartners. The Higgs-mediated CP-odd four-fermion operators are…

High Energy Physics - Phenomenology · Physics 2009-11-07 Oleg Lebedev , Maxim Pospelov