English
Related papers

Related papers: Weinberg Operator Contribution to the Hadronic CP …

200 papers

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 electric dipole moment (EDM) is an excellent probe of new physics beyond the standard model of particle physics. The EDM of light nuclei is particularly interesting due to the high sensitivity to the hadron level CP violation. In this…

Nuclear Theory · Physics 2020-01-08 Nodoka Yamanaka

We report theoretical results of the electric dipole moment (EDM) of $^{210}$Fr which arises from the interaction of the EDM of an electron with the internal electric field in an atom and the scalar-pseudoscalar electron-nucleus…

High Energy Physics - Phenomenology · Physics 2021-02-23 Nanako Shitara , Nodoka Yamanaka , Bijaya Kumar Sahoo , Toshio Watanabe , Bhanu Pratap Das

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

Experimental sensitivity to the electric dipole moment (EDM) of the electron has improved remarkably in recent years. Consequently, future prospects could probe new physics whose contribution to the electron EDM first arises at three-loop…

High Energy Physics - Phenomenology · Physics 2026-03-02 Tatsuya Banno , Junji Hisano , Teppei Kitahara , Kiyoto Ogawa , Naohiro Osamura

In a previous paper \cite{Hatta:2020ltd}, we have pointed out the connection between the $CP$-odd three-gluon (Weinberg) operator and certain twist-four corrections in polarized deep inelastic scattering. Based on this observation, we give…

High Energy Physics - Phenomenology · Physics 2021-02-10 Yoshitaka Hatta

We present an update on our calculations of the matrix elements of the CP violating quark and gluon chromo-EDM operators, as well as the operators these mix with, such as the QCD Theta-term. Their contribution to the neutron EDM is obtained…

High Energy Physics - Lattice · Physics 2018-12-18 Tanmoy Bhattacharya , Boram Yoon , Rajan Gupta , Vincenzo Cirigliano

We study the effect of the "chromo-electric" dipole moment on the electric dipole moment(EDM) of the neutron in the two Higgs doublet model. We systematically investigate the Weinberg's operator $O_{3g}=GG\t G$ and the operator $O_{qg}=\bar…

High Energy Physics - Phenomenology · Physics 2010-11-01 Tkemi Hayashi , Yoshio Koide , Masahisa Matsuda , Morimitsu Tanimoto

We calculate the electric dipole form factor of the neutron in a perturbative chiral quark model, parameterizing CP-violation of generic origin by means of effective electric dipole moments of the constituent quarks and their CP-violating…

High Energy Physics - Phenomenology · Physics 2008-11-26 Claudio Dib , Amand Faessler , Thomas Gutsche , Sergey Kovalenko , Jan Kuckei , Valery E. Lyubovitskij , Kem Pumsa-ard

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 supersymmetric standard model (SSM) has a CP-violating phase in its gauge-Higgs sector. This new source of CP violation induces the electric dipole moments (EDMs) of the neutron and electron at the one-loop level. The same CP-violating…

High Energy Physics - Phenomenology · Physics 2009-10-30 Noriyuki Oshimo

At an hadronic scale the effect of CP-violating interactions that typically appear in extensions of the Standard Model may be described by an effective Lagrangian, in which the operators are expressed in terms of lepton and partonic gluon…

We present results for the neutron electric dipole moment due to the dimension 4 and dimension 6 gluonic CP violation, and the isovector quark chromoelectric dipole moment using clover valence quarks on HISQ dynamical ensembles generated by…

High Energy Physics - Lattice · Physics 2022-03-09 Tanmoy Bhattacharya , Vincenzo Cirigliano , Rajan Gupta , Emanuele Mereghetti , Boram Yoon

For the neutron to have an electric dipole moment (EDM), the theory of nature must have T, or equivalently CP, violation. Neutron EDM is a very good probe of novel CP violation in beyond the standard model physics. To leverage the…

High Energy Physics - Lattice · Physics 2018-04-18 Boram Yoon , Tanmoy Bhattacharya , Rajan Gupta

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 consider hadronic CP violation induced by chromoelectric dipolemoments (CEDMs) of light quarks and the QCD theta parameter ($?overline{?theta}$). We concentrate on the strange quark CEDM especially in this paper. Using effective CP…

High Energy Physics - Phenomenology · Physics 2011-07-19 Junji Hisano , Yasuhiro Shimizu

We present a detailed study of the Thallium, neutron, Mercury and deuteron electric dipole moments (EDMs) in the CP-violating Minimal Supersymmetric extension of the Standard Model (MSSM). We take into account the complete set of one-loop…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

Measurements of a permanent neutron electric dipole moment (EDM) potentially probe Beyond-the-Standard Model (BSM) sources of CP-violation. At low energy the CP-violating BSM interactions are parametrized by flavor-conserving CP-violating…

High Energy Physics - Lattice · Physics 2020-09-02 Matthew D. Rizik , Christopher J. Monahan , Andrea Shindler

We study the neutron electric dipole moment in the presence of the CP-violating operators up to the dimension five in terms of the QCD sum rules. It is found that the OPE calculation is robust when exploiting a particular interpolating…

High Energy Physics - Phenomenology · Physics 2012-07-17 Junji Hisano , Jeong Yong Lee , Natsumi Nagata , Yasuhiro Shimizu

We present preliminary results on the susceptibilities involving the CP-violating (CPV) Weinberg three-gluon operator and the topological $\Theta$ term using the gradient flow scheme, and study their continuum and chiral extrapolations.…