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The neutron electric dipole moment experiment at the Spallation Neutron Source

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Zeitschriftentitel: EPJ Web of Conferences
Personen und Körperschaften: Leung, K.K.H., Ahmed, M., Alarcon, R., Aleksandrova, A., Baeßler, S., Barrón-Palos, L., Bartoszek, L., Beck, D.H., Behzadipour, M., Bessuille, J., Blatnik, M.A., Broering, M., Broussard, L.J., Busch, M., Carr, R., Chu, P.-H., 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.L., Haase, D.G., Hasell, D., Hawari, A.I., Hayden, M.E., Holley, A.T., Holt, R.J., Huffman, P.R., Ihloff, E., Ito, T.M., Kelsey, J., Kim, Y.J., Korobkina, E., Korsch, W., Lamoreaux, S.K., Leggett, E., Lipman, A., Liu, C.-Y., Long, J., MacDonald, S.W.T., Makela, M., Matlashov, A., Maxwell, J., McCrea, M., Mendenhall, M., Meyer, H.O., Milner, R., Mueller, P., Nouri, N., O'Shaughnessy, C.M., Osthelder, C., Peng, J.-C., Penttila, S., Phan, N.S., Plaster, B., Ramsey, J., Rao, T., Redwine, R.P., Reid, A., Saftah, A., Seidel, G.M., Silvera, I.F., 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.
In: EPJ Web of Conferences, 219, 2019, S. 02005
Format: E-Article
Sprache: Unbestimmt
veröffentlicht:
EDP Sciences
Schlagwörter:
General Earth and Planetary Sciences
General Engineering
General Environmental Science
author_facet Leung, K.K.H.
Ahmed, M.
Alarcon, R.
Aleksandrova, A.
Baeßler, S.
Barrón-Palos, L.
Bartoszek, L.
Beck, D.H.
Behzadipour, M.
Bessuille, J.
Blatnik, M.A.
Broering, M.
Broussard, L.J.
Busch, M.
Carr, R.
Chu, P.-H.
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.L.
Haase, D.G.
Hasell, D.
Hawari, A.I.
Hayden, M.E.
Holley, A.T.
Holt, R.J.
Huffman, P.R.
Ihloff, E.
Ito, T.M.
Kelsey, J.
Kim, Y.J.
Korobkina, E.
Korsch, W.
Lamoreaux, S.K.
Leggett, E.
Lipman, A.
Liu, C.-Y.
Long, J.
MacDonald, S.W.T.
Makela, M.
Matlashov, A.
Maxwell, J.
McCrea, M.
Mendenhall, M.
Meyer, H.O.
Milner, R.
Mueller, P.
Nouri, N.
O'Shaughnessy, C.M.
Osthelder, C.
Peng, J.-C.
Penttila, S.
Phan, N.S.
Plaster, B.
Ramsey, J.
Rao, T.
Redwine, R.P.
Reid, A.
Saftah, A.
Seidel, G.M.
Silvera, I.F.
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.
Leung, K.K.H.
Ahmed, M.
Alarcon, R.
Aleksandrova, A.
Baeßler, S.
Barrón-Palos, L.
Bartoszek, L.
Beck, D.H.
Behzadipour, M.
Bessuille, J.
Blatnik, M.A.
Broering, M.
Broussard, L.J.
Busch, M.
Carr, R.
Chu, P.-H.
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.L.
Haase, D.G.
Hasell, D.
Hawari, A.I.
Hayden, M.E.
Holley, A.T.
Holt, R.J.
Huffman, P.R.
Ihloff, E.
Ito, T.M.
Kelsey, J.
Kim, Y.J.
Korobkina, E.
Korsch, W.
Lamoreaux, S.K.
Leggett, E.
Lipman, A.
Liu, C.-Y.
Long, J.
MacDonald, S.W.T.
Makela, M.
Matlashov, A.
Maxwell, J.
McCrea, M.
Mendenhall, M.
Meyer, H.O.
Milner, R.
Mueller, P.
Nouri, N.
O'Shaughnessy, C.M.
Osthelder, C.
Peng, J.-C.
Penttila, S.
Phan, N.S.
Plaster, B.
Ramsey, J.
Rao, T.
Redwine, R.P.
Reid, A.
Saftah, A.
Seidel, G.M.
Silvera, I.F.
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.
author Leung, K.K.H.
Ahmed, M.
Alarcon, R.
Aleksandrova, A.
Baeßler, S.
Barrón-Palos, L.
Bartoszek, L.
Beck, D.H.
Behzadipour, M.
Bessuille, J.
Blatnik, M.A.
Broering, M.
Broussard, L.J.
Busch, M.
Carr, R.
Chu, P.-H.
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.L.
Haase, D.G.
Hasell, D.
Hawari, A.I.
Hayden, M.E.
Holley, A.T.
Holt, R.J.
Huffman, P.R.
Ihloff, E.
Ito, T.M.
Kelsey, J.
Kim, Y.J.
Korobkina, E.
Korsch, W.
Lamoreaux, S.K.
Leggett, E.
Lipman, A.
Liu, C.-Y.
Long, J.
MacDonald, S.W.T.
Makela, M.
Matlashov, A.
Maxwell, J.
McCrea, M.
Mendenhall, M.
Meyer, H.O.
Milner, R.
Mueller, P.
Nouri, N.
O'Shaughnessy, C.M.
Osthelder, C.
Peng, J.-C.
Penttila, S.
Phan, N.S.
Plaster, B.
Ramsey, J.
Rao, T.
Redwine, R.P.
Reid, A.
Saftah, A.
Seidel, G.M.
Silvera, I.F.
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.
spellingShingle Leung, K.K.H.
Ahmed, M.
Alarcon, R.
Aleksandrova, A.
Baeßler, S.
Barrón-Palos, L.
Bartoszek, L.
Beck, D.H.
Behzadipour, M.
Bessuille, J.
Blatnik, M.A.
Broering, M.
Broussard, L.J.
Busch, M.
Carr, R.
Chu, P.-H.
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.L.
Haase, D.G.
Hasell, D.
Hawari, A.I.
Hayden, M.E.
Holley, A.T.
Holt, R.J.
Huffman, P.R.
Ihloff, E.
Ito, T.M.
Kelsey, J.
Kim, Y.J.
Korobkina, E.
Korsch, W.
Lamoreaux, S.K.
Leggett, E.
Lipman, A.
Liu, C.-Y.
Long, J.
MacDonald, S.W.T.
Makela, M.
Matlashov, A.
Maxwell, J.
McCrea, M.
Mendenhall, M.
Meyer, H.O.
Milner, R.
Mueller, P.
Nouri, N.
O'Shaughnessy, C.M.
Osthelder, C.
Peng, J.-C.
Penttila, S.
Phan, N.S.
Plaster, B.
Ramsey, J.
Rao, T.
Redwine, R.P.
Reid, A.
Saftah, A.
Seidel, G.M.
Silvera, I.F.
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.
EPJ Web of Conferences
The neutron electric dipole moment experiment at the Spallation Neutron Source
General Earth and Planetary Sciences
General Engineering
General Environmental Science
author_sort leung, k.k.h.
spelling Leung, K.K.H. Ahmed, M. Alarcon, R. Aleksandrova, A. Baeßler, S. Barrón-Palos, L. Bartoszek, L. Beck, D.H. Behzadipour, M. Bessuille, J. Blatnik, M.A. Broering, M. Broussard, L.J. Busch, M. Carr, R. Chu, P.-H. 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.L. Haase, D.G. Hasell, D. Hawari, A.I. Hayden, M.E. Holley, A.T. Holt, R.J. Huffman, P.R. Ihloff, E. Ito, T.M. Kelsey, J. Kim, Y.J. Korobkina, E. Korsch, W. Lamoreaux, S.K. Leggett, E. Lipman, A. Liu, C.-Y. Long, J. MacDonald, S.W.T. Makela, M. Matlashov, A. Maxwell, J. McCrea, M. Mendenhall, M. Meyer, H.O. Milner, R. Mueller, P. Nouri, N. O'Shaughnessy, C.M. Osthelder, C. Peng, J.-C. Penttila, S. Phan, N.S. Plaster, B. Ramsey, J. Rao, T. Redwine, R.P. Reid, A. Saftah, A. Seidel, G.M. Silvera, I.F. 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. 2100-014X EDP Sciences General Earth and Planetary Sciences General Engineering General Environmental Science http://dx.doi.org/10.1051/epjconf/201921902005 <jats:p>Novel experimental techniques are required to make the next big leap in neutron electric dipole moment experimental sensitivity, both in terms of statistics and systematic error control. The nEDM experiment at the Spallation Neutron Source (nEDM@SNS) will implement the scheme of Golub &amp; Lamoreaux [Phys. Rep., 237, 1 (1994)]. The unique properties of combining polarized ultracold neutrons, polarized <jats:sup>3</jats:sup>He, and superfluid <jats:sup>4</jats:sup>He will be exploited to provide a sensitivity to ∼ 10<jats:sup>−28</jats:sup> <jats:italic>e</jats:italic> · cm. Our cryogenic apparatus will deploy two small (3 L) measurement cells with a high density of ultracold neutrons produced and spin analyzed in situ. The electric field strength, precession time, magnetic shielding, and detected UCN number will all be enhanced compared to previous room temperature Ramsey measurements. Our <jats:sup>3</jats:sup>He co-magnetometer offers unique control of systematic effects, in particular the Bloch-Siegert induced false EDM. Furthermore, there will be two distinct measurement modes: free precession and dressed spin. This will provide an important self-check of our results. Following five years of “critical component demonstration,” our collaboration transitioned to a “large scale integration” phase in 2018. An overview of our measurement techniques, experimental design, and brief updates are described in these proceedings.</jats:p> The neutron electric dipole moment experiment at the Spallation Neutron Source EPJ Web of Conferences
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publishDateSort 2019
publisher EDP Sciences
recordtype ai
record_format ai
series EPJ Web of Conferences
source_id 49
title The neutron electric dipole moment experiment at the Spallation Neutron Source
title_unstemmed The neutron electric dipole moment experiment at the Spallation Neutron Source
title_full The neutron electric dipole moment experiment at the Spallation Neutron Source
title_fullStr The neutron electric dipole moment experiment at the Spallation Neutron Source
title_full_unstemmed The neutron electric dipole moment experiment at the Spallation Neutron Source
title_short The neutron electric dipole moment experiment at the Spallation Neutron Source
title_sort the neutron electric dipole moment experiment at the spallation neutron source
topic General Earth and Planetary Sciences
General Engineering
General Environmental Science
url http://dx.doi.org/10.1051/epjconf/201921902005
publishDate 2019
physical 02005
description <jats:p>Novel experimental techniques are required to make the next big leap in neutron electric dipole moment experimental sensitivity, both in terms of statistics and systematic error control. The nEDM experiment at the Spallation Neutron Source (nEDM@SNS) will implement the scheme of Golub &amp; Lamoreaux [Phys. Rep., 237, 1 (1994)]. The unique properties of combining polarized ultracold neutrons, polarized <jats:sup>3</jats:sup>He, and superfluid <jats:sup>4</jats:sup>He will be exploited to provide a sensitivity to ∼ 10<jats:sup>−28</jats:sup> <jats:italic>e</jats:italic> · cm. Our cryogenic apparatus will deploy two small (3 L) measurement cells with a high density of ultracold neutrons produced and spin analyzed in situ. The electric field strength, precession time, magnetic shielding, and detected UCN number will all be enhanced compared to previous room temperature Ramsey measurements. Our <jats:sup>3</jats:sup>He co-magnetometer offers unique control of systematic effects, in particular the Bloch-Siegert induced false EDM. Furthermore, there will be two distinct measurement modes: free precession and dressed spin. This will provide an important self-check of our results. Following five years of “critical component demonstration,” our collaboration transitioned to a “large scale integration” phase in 2018. An overview of our measurement techniques, experimental design, and brief updates are described in these proceedings.</jats:p>
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author Leung, K.K.H., Ahmed, M., Alarcon, R., Aleksandrova, A., Baeßler, S., Barrón-Palos, L., Bartoszek, L., Beck, D.H., Behzadipour, M., Bessuille, J., Blatnik, M.A., Broering, M., Broussard, L.J., Busch, M., Carr, R., Chu, P.-H., 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.L., Haase, D.G., Hasell, D., Hawari, A.I., Hayden, M.E., Holley, A.T., Holt, R.J., Huffman, P.R., Ihloff, E., Ito, T.M., Kelsey, J., Kim, Y.J., Korobkina, E., Korsch, W., Lamoreaux, S.K., Leggett, E., Lipman, A., Liu, C.-Y., Long, J., MacDonald, S.W.T., Makela, M., Matlashov, A., Maxwell, J., McCrea, M., Mendenhall, M., Meyer, H.O., Milner, R., Mueller, P., Nouri, N., O'Shaughnessy, C.M., Osthelder, C., Peng, J.-C., Penttila, S., Phan, N.S., Plaster, B., Ramsey, J., Rao, T., Redwine, R.P., Reid, A., Saftah, A., Seidel, G.M., Silvera, I.F., 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.
author_facet Leung, K.K.H., Ahmed, M., Alarcon, R., Aleksandrova, A., Baeßler, S., Barrón-Palos, L., Bartoszek, L., Beck, D.H., Behzadipour, M., Bessuille, J., Blatnik, M.A., Broering, M., Broussard, L.J., Busch, M., Carr, R., Chu, P.-H., 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.L., Haase, D.G., Hasell, D., Hawari, A.I., Hayden, M.E., Holley, A.T., Holt, R.J., Huffman, P.R., Ihloff, E., Ito, T.M., Kelsey, J., Kim, Y.J., Korobkina, E., Korsch, W., Lamoreaux, S.K., Leggett, E., Lipman, A., Liu, C.-Y., Long, J., MacDonald, S.W.T., Makela, M., Matlashov, A., Maxwell, J., McCrea, M., Mendenhall, M., Meyer, H.O., Milner, R., Mueller, P., Nouri, N., O'Shaughnessy, C.M., Osthelder, C., Peng, J.-C., Penttila, S., Phan, N.S., Plaster, B., Ramsey, J., Rao, T., Redwine, R.P., Reid, A., Saftah, A., Seidel, G.M., Silvera, I.F., 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., Leung, K.K.H., Ahmed, M., Alarcon, R., Aleksandrova, A., Baeßler, S., Barrón-Palos, L., Bartoszek, L., Beck, D.H., Behzadipour, M., Bessuille, J., Blatnik, M.A., Broering, M., Broussard, L.J., Busch, M., Carr, R., Chu, P.-H., 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.L., Haase, D.G., Hasell, D., Hawari, A.I., Hayden, M.E., Holley, A.T., Holt, R.J., Huffman, P.R., Ihloff, E., Ito, T.M., Kelsey, J., Kim, Y.J., Korobkina, E., Korsch, W., Lamoreaux, S.K., Leggett, E., Lipman, A., Liu, C.-Y., Long, J., MacDonald, S.W.T., Makela, M., Matlashov, A., Maxwell, J., McCrea, M., Mendenhall, M., Meyer, H.O., Milner, R., Mueller, P., Nouri, N., O'Shaughnessy, C.M., Osthelder, C., Peng, J.-C., Penttila, S., Phan, N.S., Plaster, B., Ramsey, J., Rao, T., Redwine, R.P., Reid, A., Saftah, A., Seidel, G.M., Silvera, I.F., 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.
author_sort leung, k.k.h.
container_start_page 0
container_title EPJ Web of Conferences
container_volume 219
description <jats:p>Novel experimental techniques are required to make the next big leap in neutron electric dipole moment experimental sensitivity, both in terms of statistics and systematic error control. The nEDM experiment at the Spallation Neutron Source (nEDM@SNS) will implement the scheme of Golub &amp; Lamoreaux [Phys. Rep., 237, 1 (1994)]. The unique properties of combining polarized ultracold neutrons, polarized <jats:sup>3</jats:sup>He, and superfluid <jats:sup>4</jats:sup>He will be exploited to provide a sensitivity to ∼ 10<jats:sup>−28</jats:sup> <jats:italic>e</jats:italic> · cm. Our cryogenic apparatus will deploy two small (3 L) measurement cells with a high density of ultracold neutrons produced and spin analyzed in situ. The electric field strength, precession time, magnetic shielding, and detected UCN number will all be enhanced compared to previous room temperature Ramsey measurements. Our <jats:sup>3</jats:sup>He co-magnetometer offers unique control of systematic effects, in particular the Bloch-Siegert induced false EDM. Furthermore, there will be two distinct measurement modes: free precession and dressed spin. This will provide an important self-check of our results. Following five years of “critical component demonstration,” our collaboration transitioned to a “large scale integration” phase in 2018. An overview of our measurement techniques, experimental design, and brief updates are described in these proceedings.</jats:p>
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imprint EDP Sciences, 2019
imprint_str_mv EDP Sciences, 2019
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spelling Leung, K.K.H. Ahmed, M. Alarcon, R. Aleksandrova, A. Baeßler, S. Barrón-Palos, L. Bartoszek, L. Beck, D.H. Behzadipour, M. Bessuille, J. Blatnik, M.A. Broering, M. Broussard, L.J. Busch, M. Carr, R. Chu, P.-H. 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.L. Haase, D.G. Hasell, D. Hawari, A.I. Hayden, M.E. Holley, A.T. Holt, R.J. Huffman, P.R. Ihloff, E. Ito, T.M. Kelsey, J. Kim, Y.J. Korobkina, E. Korsch, W. Lamoreaux, S.K. Leggett, E. Lipman, A. Liu, C.-Y. Long, J. MacDonald, S.W.T. Makela, M. Matlashov, A. Maxwell, J. McCrea, M. Mendenhall, M. Meyer, H.O. Milner, R. Mueller, P. Nouri, N. O'Shaughnessy, C.M. Osthelder, C. Peng, J.-C. Penttila, S. Phan, N.S. Plaster, B. Ramsey, J. Rao, T. Redwine, R.P. Reid, A. Saftah, A. Seidel, G.M. Silvera, I.F. 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. 2100-014X EDP Sciences General Earth and Planetary Sciences General Engineering General Environmental Science http://dx.doi.org/10.1051/epjconf/201921902005 <jats:p>Novel experimental techniques are required to make the next big leap in neutron electric dipole moment experimental sensitivity, both in terms of statistics and systematic error control. The nEDM experiment at the Spallation Neutron Source (nEDM@SNS) will implement the scheme of Golub &amp; Lamoreaux [Phys. Rep., 237, 1 (1994)]. The unique properties of combining polarized ultracold neutrons, polarized <jats:sup>3</jats:sup>He, and superfluid <jats:sup>4</jats:sup>He will be exploited to provide a sensitivity to ∼ 10<jats:sup>−28</jats:sup> <jats:italic>e</jats:italic> · cm. Our cryogenic apparatus will deploy two small (3 L) measurement cells with a high density of ultracold neutrons produced and spin analyzed in situ. The electric field strength, precession time, magnetic shielding, and detected UCN number will all be enhanced compared to previous room temperature Ramsey measurements. Our <jats:sup>3</jats:sup>He co-magnetometer offers unique control of systematic effects, in particular the Bloch-Siegert induced false EDM. Furthermore, there will be two distinct measurement modes: free precession and dressed spin. This will provide an important self-check of our results. Following five years of “critical component demonstration,” our collaboration transitioned to a “large scale integration” phase in 2018. An overview of our measurement techniques, experimental design, and brief updates are described in these proceedings.</jats:p> The neutron electric dipole moment experiment at the Spallation Neutron Source EPJ Web of Conferences
spellingShingle Leung, K.K.H., Ahmed, M., Alarcon, R., Aleksandrova, A., Baeßler, S., Barrón-Palos, L., Bartoszek, L., Beck, D.H., Behzadipour, M., Bessuille, J., Blatnik, M.A., Broering, M., Broussard, L.J., Busch, M., Carr, R., Chu, P.-H., 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.L., Haase, D.G., Hasell, D., Hawari, A.I., Hayden, M.E., Holley, A.T., Holt, R.J., Huffman, P.R., Ihloff, E., Ito, T.M., Kelsey, J., Kim, Y.J., Korobkina, E., Korsch, W., Lamoreaux, S.K., Leggett, E., Lipman, A., Liu, C.-Y., Long, J., MacDonald, S.W.T., Makela, M., Matlashov, A., Maxwell, J., McCrea, M., Mendenhall, M., Meyer, H.O., Milner, R., Mueller, P., Nouri, N., O'Shaughnessy, C.M., Osthelder, C., Peng, J.-C., Penttila, S., Phan, N.S., Plaster, B., Ramsey, J., Rao, T., Redwine, R.P., Reid, A., Saftah, A., Seidel, G.M., Silvera, I.F., 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., EPJ Web of Conferences, The neutron electric dipole moment experiment at the Spallation Neutron Source, General Earth and Planetary Sciences, General Engineering, General Environmental Science
title The neutron electric dipole moment experiment at the Spallation Neutron Source
title_full The neutron electric dipole moment experiment at the Spallation Neutron Source
title_fullStr The neutron electric dipole moment experiment at the Spallation Neutron Source
title_full_unstemmed The neutron electric dipole moment experiment at the Spallation Neutron Source
title_short The neutron electric dipole moment experiment at the Spallation Neutron Source
title_sort the neutron electric dipole moment experiment at the spallation neutron source
title_unstemmed The neutron electric dipole moment experiment at the Spallation Neutron Source
topic General Earth and Planetary Sciences, General Engineering, General Environmental Science
url http://dx.doi.org/10.1051/epjconf/201921902005