# CP violation in Higgs-gauge interactions: from tabletop experiments to the LHC

## Abstract

We investigate the interplay between the high- and low-energy phenomenology of C P -violating interactions of the Higgs boson with gauge bosons. For this purpose, we use an effective field theory approach and consider all dimension-six operators arising in so-called universal theories. We compute their loop-induced contributions to electric dipole moments and the C P asymmetry in B → X _{s}γ and compare the resulting current and prospective constraints to the projected sensitivity of the LHC. Low-energy measurements are shown to generally have a far stronger constraining power, which results in highly correlated allowed regions in coupling space—a distinctive pattern that could be probed at the high-luminosity LHC.

- Authors:

- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Paul Scherrer Inst. (PSI), Villigen (Switzerland); Univ. of Zurich (Switzerland)
- Univ. of California, San Diego, CA (United States)
- Univ. of Washington, Seattle, WA (United States)
- Univ. of Massachusetts, Amherst, MA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

- Publication Date:

- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

- Sponsoring Org.:
- USDOE Office of Science (SC). Nuclear Physics (NP) (SC-26); USDOE

- OSTI Identifier:
- 1545469

- Alternate Identifier(s):
- OSTI ID: 1571617

- Report Number(s):
- LA-UR-19-22027

Journal ID: 0031-9007 ; 1079-7114 (Electronic)

- Grant/Contract Number:
- 89233218CNA000001; AC52-06NA25396; FG02-00ER41132; SC0009919

- Resource Type:
- Published Article

- Journal Name:
- Physical Review Letters

- Additional Journal Information:
- Journal Volume: 123; Journal Issue: 5

- Publisher:
- American Physical Society (APS)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

### Citation Formats

```
Mereghetti, Emanuele, Cirigliano, Vincenzo, Crivellin, Andreas, Dekens, Wouter, Hoferichter, Martin, and De Vries, Jordy. CP violation in Higgs-gauge interactions: from tabletop experiments to the LHC. United States: N. p., 2019.
Web. doi:10.1103/PhysRevLett.123.051801.
```

```
Mereghetti, Emanuele, Cirigliano, Vincenzo, Crivellin, Andreas, Dekens, Wouter, Hoferichter, Martin, & De Vries, Jordy. CP violation in Higgs-gauge interactions: from tabletop experiments to the LHC. United States. doi:10.1103/PhysRevLett.123.051801.
```

```
Mereghetti, Emanuele, Cirigliano, Vincenzo, Crivellin, Andreas, Dekens, Wouter, Hoferichter, Martin, and De Vries, Jordy. Mon .
"CP violation in Higgs-gauge interactions: from tabletop experiments to the LHC". United States. doi:10.1103/PhysRevLett.123.051801.
```

```
@article{osti_1545469,
```

title = {CP violation in Higgs-gauge interactions: from tabletop experiments to the LHC},

author = {Mereghetti, Emanuele and Cirigliano, Vincenzo and Crivellin, Andreas and Dekens, Wouter and Hoferichter, Martin and De Vries, Jordy},

abstractNote = {We investigate the interplay between the high- and low-energy phenomenology of C P -violating interactions of the Higgs boson with gauge bosons. For this purpose, we use an effective field theory approach and consider all dimension-six operators arising in so-called universal theories. We compute their loop-induced contributions to electric dipole moments and the C P asymmetry in B → Xsγ and compare the resulting current and prospective constraints to the projected sensitivity of the LHC. Low-energy measurements are shown to generally have a far stronger constraining power, which results in highly correlated allowed regions in coupling space—a distinctive pattern that could be probed at the high-luminosity LHC.},

doi = {10.1103/PhysRevLett.123.051801},

journal = {Physical Review Letters},

number = 5,

volume = 123,

place = {United States},

year = {2019},

month = {7}

}

DOI: 10.1103/PhysRevLett.123.051801

*Citation information provided by*

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Web of Science

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