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Title: The search for permanent electric dipole moments

Permanent electric dipole moments (EDMs) of fundamental systems with spin - particles, nuclei, atoms or molecules violate parity and time reversal invariance. Invoking the CPT theorem, time reversal vmore »iolation implies CP violation. Although CP-violation is implemented in the standard electro-weak theory, EDM generated this way remain undetectably small. However, this CP-violation also appears to fail explaining the observed baryon asymmetry of our universe. Extensions of the standard theory usually include new sources of CP violation and often predict sizeable EDMs. EDM searches in different systems are complementary and various efforts worldwide are underway and no finite value has been established yet. The prototype of an EDM search is the pursuit of the EDM of the neutron. It has the longest history and at the same time is at the forefront of present research. The talk aims at giving an overview of the field with emphasis on our efforts within an international collaboration at PSI, nedm.web.psi.ch.« less
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Title: The search for permanent electric dipole moments
Authors:
Publication Date: 2013-02-13
OSTI Identifier: 1087560
DOE Contract Number: AC02-07CH11359
Resource Type: Multimedia
Resource Relation: Conference: Fermilab Colloquia, Fermi National Accelerator Laboratory (FNAL), Batvia, Illinois (United States), presented on February 13, 2013
Research Org: FNAL (Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States))
Sponsoring Org: USDOE Office of Science (SC)
Subject: 99 GENERAL AND MISCELLANEOUS
Country of Publication: United States
Language: English
Run Time: 1:01:27
System Entry Date: 2016-01-28