Abstract
Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |de| < 1.05 × 10-27 e×cm [1] would be an indication of physics beyond the Standard Model. The ACME Collaboration is searching for an electron EDM by performing a precision measurement of electron spin precession in the metastable H3Δ1 state of thorium monoxide (ThO) using a slow, cryogenic beam. We discuss the current status of the experiment. Based on a data set acquired from 14 hours of running time over a period of 2 days, we have achieved a 1-sigma statistical uncertainty of δde = 1 × 10-28 e×cm/√T, where T is the running time in days.
| Original language | English (US) |
|---|---|
| Article number | 02004 |
| Journal | EPJ Web of Conferences |
| Volume | 57 |
| DOIs | |
| State | Published - Oct 9 2013 |
| Event | 23rd International Conference on Atomic Physics, ICAP 2012 - Palaiseau, France Duration: Jul 23 2012 → Jul 27 2012 |
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ASJC Scopus subject areas
- Physics and Astronomy(all)
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Advanced cold molecule electron EDM. / Campbell, Wesley C.; Chan, Cheong; Demille, David; Doyle, John M.; Gabrielse, Gerald; Gurevich, Yulia V.; Hess, Paul W.; Hutzler, Nicholas R.; Kirilov, Emil; O'Leary, Brendon; Petrik, Elizabeth S.; Spaun, Ben; Vutha, Amar C.
In: EPJ Web of Conferences, Vol. 57, 02004, 09.10.2013.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - Advanced cold molecule electron EDM
AU - Campbell, Wesley C.
AU - Chan, Cheong
AU - Demille, David
AU - Doyle, John M.
AU - Gabrielse, Gerald
AU - Gurevich, Yulia V.
AU - Hess, Paul W.
AU - Hutzler, Nicholas R.
AU - Kirilov, Emil
AU - O'Leary, Brendon
AU - Petrik, Elizabeth S.
AU - Spaun, Ben
AU - Vutha, Amar C.
PY - 2013/10/9
Y1 - 2013/10/9
N2 - Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |de| < 1.05 × 10-27 e×cm [1] would be an indication of physics beyond the Standard Model. The ACME Collaboration is searching for an electron EDM by performing a precision measurement of electron spin precession in the metastable H3Δ1 state of thorium monoxide (ThO) using a slow, cryogenic beam. We discuss the current status of the experiment. Based on a data set acquired from 14 hours of running time over a period of 2 days, we have achieved a 1-sigma statistical uncertainty of δde = 1 × 10-28 e×cm/√T, where T is the running time in days.
AB - Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |de| < 1.05 × 10-27 e×cm [1] would be an indication of physics beyond the Standard Model. The ACME Collaboration is searching for an electron EDM by performing a precision measurement of electron spin precession in the metastable H3Δ1 state of thorium monoxide (ThO) using a slow, cryogenic beam. We discuss the current status of the experiment. Based on a data set acquired from 14 hours of running time over a period of 2 days, we have achieved a 1-sigma statistical uncertainty of δde = 1 × 10-28 e×cm/√T, where T is the running time in days.
UR - http://www.scopus.com/inward/record.url?scp=84885008876&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84885008876&partnerID=8YFLogxK
U2 - 10.1051/epjconf/20135702004
DO - 10.1051/epjconf/20135702004
M3 - Conference article
AN - SCOPUS:84885008876
VL - 57
JO - EPJ Web of Conferences
JF - EPJ Web of Conferences
SN - 2101-6275
M1 - 02004
ER -