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Related papers: Reevaluation of heavy-fermion-induced electron EDM…

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Given current discrepancy in muon $g-2$ and future dedicated efforts to measure muon electric dipole moment (EDM) $d_\mu$, we assess the indirect constraints imposed on $d_\mu$ by the EDM measurements performed with heavy atoms and…

High Energy Physics - Phenomenology · Physics 2022-03-29 Yohei Ema , Ting Gao , Maxim Pospelov

We derive an upper limit on the electric dipole moment (EDM) of the tau-lepton, which follows from the precision measurements of the electron EDM.

High Energy Physics - Phenomenology · Physics 2009-08-05 A. G. Grozin , I. B. Khriplovich , A. S. Rudenko

CP violation from physics beyond the Standard Model may reside in triple boson vertices of the electroweak theory. We review the effective theory description and discuss how CP violating contributions to these vertices might be discerned by…

High Energy Physics - Phenomenology · Physics 2009-10-05 Sunghoon Jung , James D. Wells

New bounds on the electric dipole moment (EDM) of charm and bottom quarks are derived using the stringent limits on their chromo-EDMs. The new limits, $|d_c|<1.5\times10^{-21}\:e\,\text{cm}$ and $|d_b|< 1.2\times 10^{-20}\:e\,\text{cm}$,…

High Energy Physics - Phenomenology · Physics 2020-07-22 Hector Gisbert , Joan Ruiz Vidal

The electric dipole moment (EDM) of the top quark is calculated in a model with a vector like multiplet which mixes with the third generation in an extension of the MSSM. Such mixings allow for new CP violating phases. Including these new…

High Energy Physics - Phenomenology · Physics 2014-11-21 Tarek Ibrahim , Pran Nath

We reexamine the R-parity violating contribution to the fermion electric and chromo-electric dipole moments (EDM and cEDM) in the two-loop diagrams. It is found that the leading Barr-Zee type two-loop contribution is smaller than the result…

High Energy Physics - Phenomenology · Physics 2012-06-20 Nodoka Yamanaka , Toru Sato , Takahiro Kubota

We study the prospects and opportunities of a large muon electric dipole moment (EDM) of the order (10^{-24} - 10^{-22}) ecm. We investigate how natural such a value is within the general minimal supersymmetric extension of the Standard…

High Energy Physics - Phenomenology · Physics 2010-12-23 Gudrun Hiller , Katri Huitu , Jari Laamanen , Timo Rüppell

We study the interplay of New Physics (NP) among the lepton magnetic moment, the lepton flavor violation (LFV) and the electron electric dipole moment (EDM) in light of recent data of the muon $(g-2)_\mu$. The NP is discussed in the…

High Energy Physics - Phenomenology · Physics 2024-03-15 Morimitsu Tanimoto , Kei Yamamoto

The ACME collaboration has recently reported a new bound on the electric dipole moment (EDM) of the electron, $|d_e|< 1.1 \times 10^{-29}\, {\rm e\cdot cm}$ at 90$\%$ confidence level, reaching an unprecedented accuracy level. This can…

High Energy Physics - Phenomenology · Physics 2021-11-05 Giuliano Panico , Alex Pomarol , Marc Riembau

The two-loop contribution to the electric dipole moment (EDM) and the chromo electric dipole moment (CEDM) of an arbitrary fermion f induced by the most general renormalizable tbW coupling with complex left- and right-handed components (a_L…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Avilez-Lopez , H. Novales-Sanchez , G. Tavares-Velasco , J. J. Toscano

We derive bounds on the electric and chromo-electric dipole moments of the charm quark. The second one turns out to be particularly strong, and we quantify its impact on models that allow for a sizeable flavour violation in the up quark…

High Energy Physics - Phenomenology · Physics 2015-06-18 Filippo Sala

Flavor-changing terms with CP-violating phases in the quark sector may contribute to the hadronic electric dipole moments (EDMs). However, within the Standard Model (SM), the source of CP violation comes from the unique CKM phase, and it…

High Energy Physics - Phenomenology · Physics 2009-11-11 Junji Hisano , Minoru Nagai , Paride Paradisi

Within the minimal supersymmetric standard model (MSSM), the large tan(beta) regime can lead to important modifications in the pattern of CP-violating sources contributing to low energy electric dipole moments (EDMs). In particular,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Durmus Demir , Oleg Lebedev , Keith A. Olive , Maxim Pospelov , Adam Ritz

We review several aspects of flavour-diagonal CP violation, focussing on the role played by the electric dipole moments (EDMs) of leptons, nucleons, atoms and molecules, which consitute the source of several stringent constraints on new…

High Energy Physics - Phenomenology · Physics 2009-07-09 Maxim Pospelov , Adam Ritz

We study the light quark and the neutron electric dipole moments (EDMs) under the assumptions that the CP source is still in the usual CKM matrix and that there is a small mixing of right-handed charged currents in the quark sector. We find…

High Energy Physics - Phenomenology · Physics 2014-11-17 Yi Liao , Xiaoyuan Li

We examine the sensitivity of electric dipole moments (EDMs) to new $CP$-violating physics in a hidden (or dark) sector, neutral under the Standard Model (SM) gauge groups, and coupled via renormalizable portals. In the absence of weak…

High Energy Physics - Phenomenology · Physics 2019-10-17 Shohei Okawa , Maxim Pospelov , Adam Ritz

We discuss upper limits on the electric dipole moments (EDM) of the tau-lepton, heavy quarks, and W-boson, which follow from the precision measurements of the electron and neutron EDM.

High Energy Physics - Phenomenology · Physics 2009-08-11 A. G. Grozin , I. B. Khriplovich , A. S. Rudenko

The searching for the electric dipole moments (EDMs) of neutron ($d_n$), $b$ quark ($d_b$) and $c$ quark ($d_c$) gives strict upper bounds on these quantities. And recently, new upper bounds on $d_b$, $d_c$ are obtained by the strict limit…

High Energy Physics - Phenomenology · Physics 2020-04-10 Jin-Lei Yang , Tai-Fu Feng , Sheng-Kai Cui , Chang-Xin Liu , Wei Li , Hai-Bin Zhang

Electric dipole moments (EDMs) of elementary particles are powerful probes of new physics with flavor-diagonal CP violation. The reported discrepancy in the muon anomalous magnetic moment motivates us to explore to what extent new physics…

High Energy Physics - Phenomenology · Physics 2022-06-03 Yuichiro Nakai , Ryosuke Sato , Yoshihiro Shigekami

Recent calculations of EDMs of light nuclei in the framework of chiral effective field theory are presented. We argue that they can be written in terms of the leading six low-energy constants encoding CP-violating physics. EDMs of the…

Nuclear Theory · Physics 2015-06-11 Renato Higa
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