A new cryogenic apparatus to search for the neutron electric dipole moment
Por:
Ahmed, M. W., Alarcon, R., Aleksandrova, A., Baessler, S., Barron-Palos, L., Bartoszek, L. M., Beck, D. H., Behzadipour, M., Berkutov, I, Bessuille, J., Blatnik, M., Broering, M., Broussard, L. J., Busch, M., Carr, R., Cianciolo, V, Clayton, S. M., Cooper, M. D., Crawford, C., Currie, S. A., Daurer, C., Dipert, R., Dow, K., Dutta, D., Efremenko, Y., Erickson, C. B., Filippone, B. W., Fomin, N., Gao, H., Golub, R., Gould, C. R., Greene, G., Haase, D. G., Hasell, D., Hawari, I, A., Hayden, M. E., Holley, A., Holt, R. J., Huffman, P. R., Ihloff, E., Imam, S. K., Ito, T. M., Karcz, M., Kelsey, J., Kendellen, D. P., Kim, Y. J., Korobkina, E., Korsch, W., Lamoreaux, S. K., Leggett, E., Leung, K. K. H., Lipman, A., Liu, C. Y., Long, J., MacDonald, S. W. T., Makela, M., Matlashov, A., Maxwell, J. D., Mendenhall, M., Meyer, H. O., Milner, R. G., Mueller, P. E., Nouri, N., O'Shaughnessy, C. M., Osthelder, C., Peng, J. C., Penttila, I, S., Phan, N. S., Plaster, B., Ramsey, J. C., Rao, T. M., Redwine, R. P., Reid, A., Saftah, A., Seidel, G. M., Silvera, I, Slutsky, S., Smith, E., Snow, W. M., Sondheim, W., Sosothikul, S., Stanislaus, T. D. S., Sun, X., Swank, C. M., Tang, Z., Dinani, R. Tavakoli, Tsentalovich, E., Vidal, C., Wei, W., White, C. R., Williamson, S. E., Yang, L., Yao, W., Young, A. R.
Publicada:
1 nov 2019
Resumen:
A cryogenic apparatus is described that enables a new experiment,
nEDM@SNS, with a major improvement in sensitivity compared to the
existing limit in the search for a neutron Electric Dipole Moment (EDM).
This apparatus uses superfluid He-4 to produce a high density of
Ultra-Cold Neutrons (UCN) which are contained in a suitably coated pair
of measurement cells. The experiment, to be operated at the Spallation
Neutron Source at Oak Ridge National Laboratory, uses polarized He-3
from an Atomic Beam Source injected into the superfluid He-4 and
transported to the measurement cells where it serves as a
co-magnetometer. The superfluid He-4 is also used as an insulating
medium allowing significantly higher electric fields, compared to
previous experiments, to be maintained across the measurement cells.
These features provide an ultimate statistical uncertainty for the EDM
of 2 - 3 x 10(-28) e-cm, with anticipated systematic uncertainties below
this level.
Filiaciones:
Ahmed, M. W.:
North Carolina Cent Univ, Dept Math & Phys, Durham, NC 27707 USA
Duke Univ, Dept Phys, Durham, NC 27708 USA
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Alarcon, R.:
Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA
Aleksandrova, A.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Baessler, S.:
Univ Virginia, Phys Dept, 382 McCormick Rd, Charlottesville, VA 22904 USA
Penttila, S
Barron-Palos, L.:
Univ Nacl Autonoma Mexico, Inst Fis, Apartado Postal 20-364, Mexico City 01000, DF, Mexico
Bartoszek, L. M.:
Bartoszek Engn, 818 W Downer Pl, Aurora, IL 60506 USA
Beck, D. H.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
Behzadipour, M.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Berkutov, I:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Bessuille, J.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Blatnik, M.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Broering, M.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Broussard, L. J.:
Penttila, S
Busch, M.:
Duke Univ, Dept Phys, Durham, NC 27708 USA
Carr, R.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Cianciolo, V:
Penttila, S
Clayton, S. M.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Cooper, M. D.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Crawford, C.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Currie, S. A.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Daurer, C.:
Bartoszek Engn, 818 W Downer Pl, Aurora, IL 60506 USA
Dipert, R.:
Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA
Dow, K.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Dutta, D.:
Mississippi State Univ, Dept Phys, Mississippi State, MS 39762 USA
Efremenko, Y.:
Penttila, S
Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
Erickson, C. B.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
Filippone, B. W.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Fomin, N.:
Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
Gao, H.:
Duke Univ, Dept Phys, Durham, NC 27708 USA
Golub, R.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Hawari, A
Gould, C. R.:
North Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA
Greene, G.:
Penttila, S
Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
Haase, D. G.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Hawari, A
Hasell, D.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Hayden, M. E.:
Simon Fraser Univ, Dept Phys, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
Holley, A.:
Tennessee Technol Univ, Dept Phys, Cooteville, TN 38501 USA
Holt, R. J.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Huffman, P. R.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Penttila, S
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Ihloff, E.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Imam, S. K.:
Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
Ito, T. M.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Karcz, M.:
Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
Kelsey, J.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Kendellen, D. P.:
Duke Univ, Dept Phys, Durham, NC 27708 USA
Triangle Univ Nucl Lab, Durham, NC 27708 USA
Kim, Y. J.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Korobkina, E.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
North Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA
Korsch, W.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Lamoreaux, S. K.:
Yale Univ, Dept Phys, POB 208120, New Haven, CT 06520 USA
Leggett, E.:
Mississippi State Univ, Dept Phys, Mississippi State, MS 39762 USA
Leung, K. K. H.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Lipman, A.:
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Liu, C. Y.:
Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
Long, J.:
Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
MacDonald, S. W. T.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Makela, M.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Matlashov, A.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Maxwell, J. D.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Thomas Jefferson Natl Accelerator Facil, Newport News, VA USA
Mendenhall, M.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
Meyer, H. O.:
Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
Milner, R. G.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Mueller, P. E.:
Penttila, S
Nouri, N.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
O'Shaughnessy, C. M.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Osthelder, C.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Peng, J. C.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
Phan, N. S.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Plaster, B.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Ramsey, J. C.:
I , Oak Ridge Natl Lab, Phys Div, Oak Ridge, TN 37831 USA
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Rao, T. M.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
North Carolina State Univ, Raleigh, NC USA
Redwine, R. P.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Reid, A.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Indiana Univ, Bloomington, IN USA
Saftah, A.:
Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
Seidel, G. M.:
Brown Univ, Dept Phys, Providence, RI 02912 USA
Silvera, I:
Harvard Univ, Lyman Lab Phys, Cambridge, MA 02138 USA
Slutsky, S.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Smith, E.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Snow, W. M.:
Indiana Univ, Dept Phys, Bloomington, IN 47408 USA
Sondheim, W.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Sosothikul, S.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Stanislaus, T. D. S.:
Valparaiso Univ, Dept Phys, Valparaiso, IN 46383 USA
Sun, X.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Swank, C. M.:
CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA
Tang, Z.:
Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA
Dinani, R. Tavakoli:
Simon Fraser Univ, Dept Phys, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
Katholieke Univ Leuven, Leuven, Belgium
Tsentalovich, E.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Vidal, C.:
MIT, Bates Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
Wei, W.:
Univ Nacl Autonoma Mexico, Inst Fis, Apartado Postal 20-364, Mexico City 01000, DF, Mexico
Bartoszek Engn, 818 W Downer Pl, Aurora, IL 60506 USA
White, C. R.:
Triangle Univ Nucl Lab, Durham, NC 27708 USA
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
Williamson, S. E.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
Yang, L.:
Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA
Yao, W.:
I , Oak Ridge Natl Lab, Phys Div, Oak Ridge, TN 37831 USA
Young, A. R.:
I , North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
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