Limit on Lorentz-invariance- and CPT-violating neutron spin interactions using a 3He-129Xe comagnetometer
We performed a search for a Lorentz-invariance- and CPT-violating coupling of the 3He and 129129<math display="inline" overflow="scroll" altimg="eq-00003.gif"><msup><mrow></mrow><mrow><mn>1</mn><mn>2</mn><mn>9&...
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) Konferenzschrift |
| Sprache: | Englisch |
| Veröffentlicht: |
Jul 22, 2016
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| In: |
International journal of modern physics. Conference series
Year: 2016, Jahrgang: 40 |
| ISSN: | 2010-1945 |
| DOI: | 10.1142/S201019451660082X |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1142/S201019451660082X Verlag, lizenzpflichtig, Volltext: https://www.worldscientific.com/doi/abs/10.1142/S201019451660082X |
| Verfasserangaben: | F. Allmendinger, U. Schmidt, W. Heil, S. Karpuk, Yu. Sobolev and K. Tullney |
MARC
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| 245 | 1 | 0 | |a Limit on Lorentz-invariance- and CPT-violating neutron spin interactions using a 3He-129Xe comagnetometer |c F. Allmendinger, U. Schmidt, W. Heil, S. Karpuk, Yu. Sobolev and K. Tullney |
| 246 | 3 | 3 | |a Limit on Lorentz-invariance- and CPT-violating neutron spin interactions using a 3 He-129 Xe comagnetometer |
| 264 | 1 | |c Jul 22, 2016 | |
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| 500 | |a Part of Proceedings, 7th Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, USA, June 20-24, 2016 | ||
| 500 | |a Im Titel sind die Zahlen "3" und "129" hochgestellt | ||
| 500 | |a Gesehen am 13.08.2020 | ||
| 520 | |a We performed a search for a Lorentz-invariance- and CPT-violating coupling of the 3He and 129129<math display="inline" overflow="scroll" altimg="eq-00003.gif"><msup><mrow></mrow><mrow><mn>1</mn><mn>2</mn><mn>9</mn></mrow></msup></math>Xe nuclear spins to posited background fields. Our experimental approach is to measure the free precession of nuclear spin polarized 3He and 129129<math display="inline" overflow="scroll" altimg="eq-00004.gif"><msup><mrow></mrow><mrow><mn>1</mn><mn>2</mn><mn>9</mn></mrow></msup></math>Xe atoms using SQUIDs as detectors. As the laboratory reference frame rotates with respect to distant stars, we look for a sidereal modulation of the Larmor frequencies of the co-located spin samples. As a result we obtain an upper limit on the equatorial component of the background field b˜n⊥<8.4⋅10−34b̃⊥n<8.4⋅10−34<math display="inline" overflow="scroll" altimg="eq-00005.gif"><msubsup><mrow><mover accent="true"><mrow><mi>b</mi></mrow><mo class="MathClass-op">̃</mo></mover></mrow><mrow><mo class="MathClass-rel">⊥</mo></mrow><mrow><mi>n</mi></mrow></msubsup><mo class="MathClass-rel"><</mo><mn>8</mn><mo class="MathClass-punc">.</mo><mn>4</mn><mo stretchy="false" class="MathClass-bin">⋅</mo><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mo stretchy="false" class="MathClass-bin">−</mo><mn>3</mn><mn>4</mn></mrow></msup></math> GeV (68% C.L.). This experiment is currently the most precise test of spin anisotropy due to the excellent long spin-coherence time. | ||
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| 700 | 1 | |a Karpuk, S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sobolev, Yu. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Tullney, K. |e VerfasserIn |4 aut | |
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