Search for parity nonconservation in atomic dysprosium

Nguyen, Angela-Maithy; Budker, Dmitry; DeMille, David; Zolotorev, M.

doi:10.1103/physreva.56.3453

Cited by 75 publications

(172 citation statements)

References 12 publications

Supporting

Mentioning

165

Contrasting

Unclassified

Order By: Relevance

“…The result of our previous calculations is A|W |B = 70(40) Hz [11]. Later measurements [3] lead to the limit A|W |B = |2.3 ± 2.9(statistical) ± 0.7(systematic). Although the measured value is not in strong disagreement with theoretical prediction, given the large uncertainty of the latter, the experiment did not confirm the large PNC effect that was hoped for in this system.…”

Section: Introductionmentioning

confidence: 95%

“…This means that further cancellation to even smaller number is highly unlikely and the measurements might be possible on about the same level of sensitivity which has been already achieved in Ref. [3].…”

Section: Introductionmentioning

confidence: 97%

“…It has been recently used in search for the time variation of the fine structure constant [1], study of possible variation of the fine structure constant due to variation of the gravitation field [2], measurement of the parity nonconservation (PNC) [3], etc. Recent progress in trapping and cooling of dysprosium atoms [4][5][6] opens new exciting possibilities.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Theoretical study of some experimentally relevant states of dysprosium

Dzuba

Flambaum

2010

Phys. Rev. A

View full text Add to dashboard Cite

Configuration interaction method is used to calculate transition amplitudes and other properties of the low states of dysprosium which are used in cooling and in study of the time variation of the fine structure constant and violation of fundamental symmetries. The branching ratio for the cooling state to decay to states other than ground state is found to be smaller than 10 −4 . The matrix element of the weak interaction between degenerate states at E = 19797.96 cm −1 is about 2 Hz which is consistent with the experimental limit |HW | = |2.3 ± 2.9(statistical) ± 0.7(systematic)| Hz [A. T. Nguyen, D. Budker, D. DeMille, and M. Zolotorev, Phys. Rev. A 56, 3453 (1997)] and points to feasibility of its experimental measurement. Applications include search for physics beyond the standard model using the PNC isotopic chain approach.

show abstract

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Theoretical study of some experimentally relevant states of dysprosium

Dzuba

Flambaum

2010

Phys. Rev. A

View full text Add to dashboard Cite

show abstract

“…This is a heavy atom which has many stable Bose and Fermi isotopes (from A = 156 to A = 164) and a pair of almost degenerate states of opposite parity at E=19798 cm −1 . These features were used in study of the parity non-conservation (PNC) [1][2][3][4][5] and possible time-variation of the fine structure constant [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Dynamic polarizabilities and magic wavelengths for dysprosium

2011

View full text Add to dashboard Cite

We theoretically study dynamic scalar polarizabilities of the ground and select long-lived excited states of dysprosium, a highly magnetic atom recently laser cooled and trapped. We demonstrate that there are a set of magic wavelengths of the unpolarized lattice laser field for each pair of states which includes the ground state and one of these excited states. At these wavelengths, the energy shift due to laser field is the same for both states, which can be useful for resolved sideband cooling on narrow transitions and precision spectroscopy. We present an analytical formula which, near resonances, allows for the determination of approximate values of the magic wavelengths without calculating the dynamic polarizabilities of the excited states.

show abstract

“…However, for other PNC candidates, as the precision in the atomic theory is not expected to significantly surpass the current experimental or theoretical PNC precision of Cs, future PNC experiments have focused on other fruitful directions, such as the measurement of atomic PNC on a chain of isotopes [9,15], or the measurement of nuclear anapole moments. Therefore, along these lines, PNC experiments are in progress on Yb and Dy at Berkeley [16,17], on Rb and Fr at the Tri-University Meson Facility (TRIUMF, University of British Columbia) [18,19], on Ra + at KVI Groningen [20], and on Ba + at the University of Washington, Seattle [21]. Recently, Bougas et al…”

mentioning

confidence: 99%

Calculation of parity-nonconserving optical rotation in iodine at 1315 nm

et al. 2013

View full text Add to dashboard Cite

We examine the feasibility of a parity non-conserving (PNC) optical rotation experiment for the 2 P 3/2 → 2 P 1/2 transition of atomic iodine at 1315 nm. The calculated E1PNC to M 1 amplitude ratio is R = 0.80(16) × 10 −8 . We show that very large PNC rotations (greater than 10 µrad) are obtained for iodine-atom column densities of ∼ 10 22 cm −2 , which can be produced by increasing the effective interaction pathlength by a factor of ∼ 10 4 with a high-finesse optical cavity. The simulated signals indicate that measurement of the nuclear anapole moment is feasible, and that a 1% PNC precision measurement should resolve the inconsistency between previous measurements in Cs and Tl. [5][6][7][8]. The highlight of these efforts was the 0.35% precision measurement of nuclear-spin-independent PNC in Cs, and the 14% precision measurement of the nuclear spin-dependent PNC for the odd-proton nucleus of 133 Cs [4]. However, measurement of the anapole moment in Cs disagrees with Tl [4,5], and also with some theoretical nuclear calculations ([9-11] and references therein). To help resolve these inconsistencies, and to improve the atomic PNC tests of the standard model, further experiments are needed. For example, there is a proposal to measure the nuclear anapole moment using the PNC-generated hyperfine frequency shift of dressed states in atoms [12], with particular proposals for Cs [13] and Fr [14]. However, for other PNC candidates, as the precision in the atomic theory is not expected to significantly surpass the current experimental or theoretical PNC precision of Cs, future PNC experiments have focused on other fruitful directions, such as the measurement of atomic PNC on a chain of isotopes [9,15], or the measurement of nuclear anapole moments. Therefore, along these lines, PNC experiments are in progress on Yb and Dy at Berkeley [16,17], on Rb and Fr at the Tri-University Meson Facility (TRIUMF, University of British Columbia) [18,19], on Ra + at KVI Groningen [20], and on Ba + at the University of Washington, Seattle [21]. Recently, Bougas et al.

show abstract

Search for parity nonconservation in atomic dysprosium

Cited by 75 publications

References 12 publications

Theoretical study of some experimentally relevant states of dysprosium

Theoretical study of some experimentally relevant states of dysprosium

Dynamic polarizabilities and magic wavelengths for dysprosium

Calculation of parity-nonconserving optical rotation in iodine at 1315 nm

Contact Info

Product

Resources

About