Zobrazeno 1 - 10
of 91
pro vyhledávání: '"K. Tullney"'
Publikováno v:
Journal of Magnetic Resonance. 252:163-169
The spin-lattice relaxation time T1 of hyperpolarized (HP)-(129)Xe was improved at typical storage conditions (i.e. low and homogeneous magnetic fields). Very long wall relaxation times T(1)(wall) of about 18 h were observed in uncoated, spherical GE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cdc41d1c7a8e06b383695eb0726590c
https://doi.org/10.1016/j.jmr.2015.01.015
https://doi.org/10.1016/j.jmr.2015.01.015
Autor:
Wolfgang Müller, M. Güldner, Zahir Salhi, Ulrich Schmidt, Yu. Sobolev, S. Karpuk, Werner Heil, Allard Schnabel, S. Knappe-Grüneberg, W. Kilian, M. Repetto, Ernst W. Otten, Lutz Trahms, F. Allmendinger, Ch. Mrozik, K. Tullney, Martin Burghoff, C. Gemmel, Frank Seifert
Publikováno v:
Physics of Particles and Nuclei. 44:904-908
Polarization of 3He gas by means of optical pumping is well known since the early 1960s with first applications in fundamental physics. Some thirty years later it was discovered, that one can use hyperpolarized 3He as contrast agent for magnetic reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37d50343d545153ee4576566c615dc45
https://doi.org/10.1134/s1063779613060105
https://doi.org/10.1134/s1063779613060105
Autor:
W. Kilian, Werner Heil, S. Knappe-Grüneberg, Ulrich Schmidt, Allard Schnabel, K. Tullney, Martin Burghoff, F. Allmendinger, Yu. Sobolev, Lutz Trahms, S. Karpuk, Wolfgang Müller, Frank Seifert
Publikováno v:
Hyperfine Interactions. 215:15-23
We discuss the design and performance of a very sensitive low-field magnetometer based on the detection of free spin precession of gaseous, nuclear polarized 3He or 129Xe samples with a SQUID as magnetic flux detector. Characteristic spin precession
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5650ebe6b0d8857458a15255f76ad8d7
https://doi.org/10.1007/s10751-013-0785-x
https://doi.org/10.1007/s10751-013-0785-x
We performed a search for a Lorentz-invariance- and CPT-violating coupling of the $^3$He and $^{129}$Xe nuclear spins to posited background fields. Our experimental approach is to measure the free precession of nuclear spin polarized $^3$He and $^{12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9af33b8b81aa5babbac6d0ac4f6e42e2
http://arxiv.org/abs/1607.06719
http://arxiv.org/abs/1607.06719
Autor:
Andreas Offenhäusser, Olivier Grasdijk, M. Repetto, Michael Doll, Werner Heil, S. Zimmer, Yuri Sobolev, S. Karpuk, Ulrich Schmidt, Hans-Joachim Krause, Lorenz Willmann, F. Allmendinger, Klaus Jungmann, Peter Blümler, K. Tullney
Publikováno v:
The European physical journal / D 71(4), 98 (2017). doi:10.1140/epjd/e2017-70505-4
European Physical Journal D, 71(4):98. SPRINGER
European Physical Journal D, 71(4):98. SPRINGER
We report on precise measurements of magnetic field gradients extracted from transverse relaxation rates of precessing spin samples. The experimental approach is based on the free precession of gaseous, nuclear spin polarized 3He and 129Xe atoms in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fd5eed1f2433591e8ba41ef9564e677
Publikováno v:
Physical Review Letters. 113
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ee6044e6fc62f2dae240755953e9397
https://doi.org/10.1103/physrevlett.113.188902
https://doi.org/10.1103/physrevlett.113.188902
Autor:
Allard Schnabel, F. Allmendinger, A. Scharth, Werner Heil, S. Karpuk, W. Kilian, K. Tullney, Ulrich Schmidt, Yu. Sobolev
Publikováno v:
Physical Review Letters. 112
We report on the search for a $CPT$- and Lorentz-invariance-violating coupling of the $^{3}\mathrm{He}$ and $^{129}\mathrm{Xe}$ nuclear spins (each largely determined by a valence neutron) to posited background tensor fields that permeate the Univers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44b75b985edd4ac282ea7d981c056eb5
https://doi.org/10.1103/physrevlett.112.110801
https://doi.org/10.1103/physrevlett.112.110801
Autor:
Frank Seifert, Yuri Sobolev, Allard Schnabel, Wolfgang Müller, Werner Heil, K. Tullney, W. Kilian, S. Knappe-Grüneberg, S. Karpuk, Ulrich Schmidt, Martin Burghoff, Lutz Trahms, F. Allmendinger
We report on the search for a new spin-dependent P- and T-violating interaction between nucleons mediated by light, pseudoscalar bosons such as the axion which was invented to solve the strong CP problem. Our experimental approach is to use an ultra-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3ac408b450a3b426bb337323035f85a