International Workshop on Physics with Positrons at Jefferson Lab (JPos17)

Session

Plenary 10

Sep 14, 2017, 10:10 AM

Room F113 (CEBAF Center)

Conveners

Plenary 10

• Seamus Riordan (Argonne National Laboratory)

87. Dark forces searches with positrons: experiments and facilities

Paolo Valente (INFN Rome)

9/14/17, 10:10 AM

Test of the Standard Model

Oral Contribution

Dark Matter elusiveness could be explained by speculating that it lives in a separate sector with respect to the Standard Model (SM) and that interacts with it only by means of messengers. The simplest model foresees just one messenger: a possibly massive vector boson given by a new U(1) symmetry. This mediator can faintly mix with the photon and, hence, interact with SM charged particles,...

91. Searching for Dark Photons with Positrons at JLab

Luca Marsicano (INFN Genova)

9/14/17, 10:45 AM

Test of the Standard Model

Oral Contribution

The interest in the Dark Photon (A' or U) has recently grown, since it could act as a light mediator to a new sector of Dark Matter particles. In this paradigm, the electron-positron annihilation can rarely produce a $\gamma $ U couple. Various experiments (e.g. PADME@LNF, Adv. High Energy Phys. 2014:959802; VEPP-3, arXiv:1207.5089[hep-ex]) have been proposed to detect this process using ...

10. Constraints on CPT and Lorentz violation from deep inelastic scattering at a future EIC

Nathan Sherrill (Indiana University Bloomington)

9/14/17, 11:10 AM

Test of the Standard Model

Oral Contribution

Proposed theories beyond the Standard Model (SM) can support the breaking of Lorentz and CPT symmetry. Searches for violations of these symmetries are often performed within the framework of the Standard Model Extension (SME), the most general effective field theory parametrizing CPT and Lorentz violation. The breaking of CPT and Lorentz symmetries in the SME is characterized by coefficients...