%0 Journal Article %1 levinton.1989 %A Levinton, F. M. %A Fonck, R. J. %A Gammel, G. M. %A Kaita, R. %A Kugel, H. W. %A Powell, E. T. %A Roberts, D. W. %D 1989 %I American Physical Society %J Phys. Rev. Lett. %K MSE diagnostics tokamak %N 19 %P 2060-2063 %R 10.1103/PhysRevLett.63.2060 %T Magnetic field pitch-angle measurments in the PBX-M tokamak using the motional Stark effect %U http://link.aps.org/doi/10.1103/PhysRevLett.63.2060 %V 63 %X Polarimetry measurements of the Doppler-shifted $H_\alpha$ emission from a neutral hydrogen beam on the PBX-M tokamak have been employed in a novel technique for obtaining $q(r)$ and magnetic field pitch-angle profiles using the Stark effect. The resulting $q(r)$ profile is very broad and its central value, $q(0)$, is significantly below 1, which has important implications for theoretical models of sawteeth.

@article{levinton.1989, abstract = {Polarimetry measurements of the Doppler-shifted $H_{\alpha}$ emission from a neutral hydrogen beam on the PBX-M tokamak have been employed in a novel technique for obtaining $q(r)$ and magnetic field pitch-angle profiles using the Stark effect. The resulting $q(r)$ profile is very broad and its central value, $q(0)$, is significantly below 1, which has important implications for theoretical models of sawteeth.}, added-at = {2009-07-02T15:31:47.000+0200}, author = {Levinton, F. M. and Fonck, R. J. and Gammel, G. M. and Kaita, R. and Kugel, H. W. and Powell, E. T. and Roberts, D. W.}, biburl = {https://www.bibsonomy.org/bibtex/238510fa03f8945e4e63c5d5bccf6e02b/prodrigues}, description = {First MSE diagnostic implementation (PBX-M).}, doi = {10.1103/PhysRevLett.63.2060}, interhash = {fb0703412f04a370ffc9a75a4a082627}, intrahash = {38510fa03f8945e4e63c5d5bccf6e02b}, journal = {Phys. Rev. Lett.}, keywords = {MSE diagnostics tokamak}, month = Nov, number = 19, numpages = {4}, pages = {2060-2063}, publisher = {American Physical Society}, timestamp = {2009-07-06T12:46:18.000+0200}, title = {Magnetic field pitch-angle measurments in the PBX-M tokamak using the motional Stark effect}, url = {http://link.aps.org/doi/10.1103/PhysRevLett.63.2060}, volume = 63, year = 1989 }