Nuclear electric dipole moments in chiral effective field theory

被引：63

作者：

Bsaisou, J. ^{[1
,2
]}

de Vries, J. ^{[1
,2
]}

Hanhart, C. ^{[1
,2
,3
]}

Liebig, S. ^{[1
,2
]}

Meissner, Ulf-G. ^{[1
,2
,3
,4
,5
,6
]}

Minossi, D. ^{[1
,2
]}

Nogga, A. ^{[1
,2
,3
]}

Wirzba, A. ^{[1
,2
,3
]}

机构：

[1] Forschungszentrum Julich, Inst Kernphys, Inst Adv Simulat, D-52425 Julich, Germany

[2] Forschungszentrum Julich, Julich Ctr Hadron Phys, D-52425 Julich, Germany

[3] Forschungszentrum Julich, JARA Forces & Matter Expt, D-52425 Julich, Germany

[4] Forschungszentrum Julich, JARA High Performance Comp, D-52425 Julich, Germany

[5] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany

[6] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2015年 / 03期

关键词：

Beyond Standard Model; CP violation; Chiral Lagrangians; TIME-REVERSAL; PRECISION CALCULATION; PERTURBATION-THEORY; CP VIOLATION; PARITY; SCATTERING; DEUTERON; SYMMETRY; NEUTRON; MODELS;

D O I：

10.1007/JHEP03(2015)104

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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 footing and we consider CP-violating one-, two-, and three-nucleon operators up to next-to-leading-order in the chiral power counting. In particular, we calculate for the first time EDM contributions induced by the CP-violating three-pion operator. We find that effects of CP-violating nucleon-nucleon contact interactions are larger than those found in previous studies based on phenomenological models for the CP-conserving nucleon-nucleon interactions. Our results which apply to any model of CP violation in the hadronic sector can be used to test various scenarios of CP violation. As examples, we study the implications of our results on the QCD theta-term and the minimal left-right symmetric model.

引用

页数：25

共 74 条

[1] Charge symmetry breaking in dd → 4Heπ0 with WASA-at-COSY [J].

Adlarson, P. ;

Augustyniak, W. ;

Bardan, W. ;

Bashkanov, M. ;

Bergmann, F. S. ;

Berlowski, M. ;

Bhatt, H. ;

Bondar, A. ;

Buescher, M. ;

Calen, H. ;

Ciepal, I. ;

Clement, H. ;

Coderre, D. ;

Czerwinski, E. ;

Demmich, K. ;

Doroshkevich, E. ;

Engels, R. ;

Erven, A. ;

Erven, W. ;

Eyrich, W. ;

Fedorets, P. ;

Foehl, K. ;

Fransson, K. ;

Goldenbaum, F. ;

Goslawski, P. ;

Goswami, A. ;

Grigoryev, K. ;

Gullstrom, C. -O. ;

Hanhart, C. ;

Hauenstein, F. ;

Heijkenskjold, L. ;

Hejny, V. ;

Hoistad, B. ;

Huesken, N. ;

Jarczyk, L. ;

Johansson, T. ;

Kamys, B. ;

Kemmerling, G. ;

Khan, F. A. ;

Khoukaz, A. ;

Kirillov, D. A. ;

Kistryn, S. ;

Kleines, H. ;

Klos, B. ;

Krzemien, W. ;

Kulessa, P. ;

Kupsc, A. ;

Kuzmin, A. ;

Lalwani, K. ;

Lersch, D. .

PHYSICS LETTERS B, 2014, 739 :44-49

[2] Model dependence of the 2H electric dipole moment [J].

Afnan, I. R. ;

Gibson, B. F. .

PHYSICAL REVIEW C, 2010, 82 (06)

[3] Finite-volume corrections to the CP-odd nucleon matrix elements of the electromagnetic current from the QCD vacuum angle [J].

Akan, Tarik ;

Guo, Feng-Kun ;

Meissner, Ulf-G. .

PHYSICS LETTERS B, 2014, 736 :163-168

[4]

[Anonymous], ARXIV14064088

[5] Review of lattice results concerning low-energy particle physics [J].

Aoki, S. ;

Aoki, Y. ;

Bernard, C. ;

Blum, T. ;

Colangelo, G. ;

Della Morte, M. ;

Duerr, S. ;

El-Khadra, A. X. ;

Fukaya, H. ;

Horsley, R. ;

Juettner, A. ;

Kaneko, T. ;

Laiho, J. ;

Lellouch, L. ;

Leutwyler, H. ;

Lubicz, V. ;

Lunghi, E. ;

Necco, S. ;

Onogi, T. ;

Pena, C. ;

Sachrajda, T. ;

Sharpe, S. R. ;

Simula, S. ;

Sommer, R. ;

Van de Water, R. S. ;

Vladikas, A. ;

Wenger, U. ;

Wittig, H. .

EUROPEAN PHYSICAL JOURNAL C, 2014, 74 (09)

[6] The multiple-scattering series in pion-deuteron scattering and the nucleon-nucleon potential: perspectives from effective field theory [J].

Baru, V. ;

Epelbaum, E. ;

Hanhart, C. ;

Hoferichter, M. ;

Kudryavtsev, A. E. ;

Phillips, D. R. .

EUROPEAN PHYSICAL JOURNAL A, 2012, 48 (05) :1-12

[7] Precision calculation of threshold π-d scattering, πN scattering lengths, and the GMO sum rule [J].

Baru, V. ;

Hanhart, C. ;

Hoferichter, M. ;

Kubis, B. ;

Nogga, A. ;

Phillips, D. R. .

NUCLEAR PHYSICS A, 2011, 872 (01) :69-116

[8] Effective field theory calculations of NN → NNπ [J].

Baru, Vadim ;

Hanhart, Christoph ;

Myhrer, Fred .

INTERNATIONAL JOURNAL OF MODERN PHYSICS E, 2014, 23 (04)

[9] Baryon chiral perturbation theory in manifestly Lorentz invariant form [J].

Becher, T ;

Leutwyler, H .

EUROPEAN PHYSICAL JOURNAL C, 1999, 9 (04) :643-671

[10] CHIRAL DYNAMICS IN NUCLEONS AND NUCLEI [J].

BERNARD, V ;

KAISER, N ;

MEISSNER, UG .

INTERNATIONAL JOURNAL OF MODERN PHYSICS E, 1995, 4 (02) :193-344

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