Large enhancement of deuteron polarization with frequency modulated microwaves

B. Adeva, E. Arik, S. Ahmad, A. Arvidson, B. Badelek, M. K. Ballintijn, G. Bardin, G. Baum, P. Berglund, L. Betev, I. G. Bird, R. Birsa, P. Björkholm, B. E. Bonner, N. de Botton, M. Boutemeur, F. Bradamante, A. Bressan, A. Brüll, J. BuchananS. Bültmann, E. Burtin, C. Cavata, J. P. Chen, J. Clement, M. Clocchiatti, M. D. Corcoran, D. Crabb, J. Cranshaw, J. Çuhadar, S. Dalla Torre, A. Deshpande, R. van Dantzig, D. Day, S. Dhawan, C. Dulya, A. Dyring, S. Eichblatt, J. C. Faivre, D. Fasching, F. Feinstein, C. Fernandez, B. Frois, C. Garabatos, J. A. Garzon, T. Gaussiran, M. Giorgi, E. von Goeler, I. A. Golutvin, A. Gomez, G. Gracia, N. de Groot, M. Grosse Perdekamp, E. Gülmez, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C. A. Heusch, N. Horikawa, VW Hughes, G. Igo, S. Ishimoto, T. Iwata, M. de Jong, E. M. Kabuß, T. Kageya, R. Kaiser, A. Karev, H. J. Kessler, T. J. Ketel, I. Kiryushin, A. Kishi, Y. Kisselev, L. Klostermann, D. Krämer, V. Krivokhijine, V. Kukhtin, J. Kyynäräinen, M. Lamanna, U. Landgraf, K. Lau, T. Layda, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, T. Lindqvist, M. Litmaath, S. Lopez-Ponte, M. Lowe, A. Magnon, G. K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, J. S. McCarthy, K. Medved, G. van Middelkoop, D. Miller, J. Mitchell, K. Mori, J. Moromisato, G. S. Mutchler, A. Nagaitsev, J. Nassalski, L. Naumann, B. Neganov, T. O. Niinikoski, J. E.J. Oberski, A. Ogawa, S. Okumi, C. S. Özben, A. Penzo, C. A. Perez, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, T. Pussieux, J. Pyrlik, I. Reyhancan, J. M. Rieubland, A. Rijllart, J. B. Roberts, S. E. Rock, M. Rodriguez, E. Rondio, O. Rondon, L. Ropelewski, A. Rosado, I. Sabo, J. Saborido, G. Salvato, A. Sandacz, D. Sanders, I. Savin, P. Schiavon, K. P. Schüler, R. Segel, R. Seitz, Y. Semertzidis, S. Sergeev, F. Sever, P. Shanahan, E. Sichtermann, G. Smirnov, A. Staude, A. Steinmetz, H. Stuhrmann, K. M. Teichert, F. Tessarotto, W. Thiel, M. Velasco, J. Vogt, R. Voss, R. Weinstein, C. Whitten, R. Willumeit, R. Windmolders, W. Wislicki, A. Witzmann, A. Yañez, N. I. Zamiatin, A. M. Zanetti, J. Zhao

Araştırma sonucu: ???type-name???Makalebilirkişi

20 Atıf (Scopus)

Özet

We report a large enhancement of 1.7 in deuteron polarization up to values of 0.6 due to frequency modulation of the polarizing microwaves in a two liter polarized target using the method of dynamic nuclear polarization. This target was used during a deep inelastic polarized muon-deuteron scattering experiment at CERN. Measurements of the electron paramagnetic resonance absorption spectra show that frequency modulation gives rise to additional microwave absorption in the spectral wings. Although these results are not understood theoretically, they may provide a useful testing ground for the deeper understanding of dynamic nuclear polarization.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)339-343
Sayfa sayısı5
DergiNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Hacim372
Basın numarası3
DOI'lar
Yayın durumuYayınlandı - 1 Nis 1996

Finansman

* Corresponding author. Tel. + I 1I 767 6422. ’ Now at CERN, 121 I Geneva 23, Switzerland. ’ Now at University of Montreal, PQ. H3C 357, Montreal, Canada. ’ Now at Max Planck Institute, Heidelberg. Germany. 4 Permanent address: Miyazaki University, 88921 Miyazak-Shi, Japan. ’ Pemranent address: PSI, 8093 Villigen. Switzerland. ’ Permanent address: KEK. 305 Ibaraki-Ken. Japan. ’ Permanent address: University of Buenos Aires. Physics Department, ‘Now at DESY, Hamburg, 52. Germany. * Supported by Bundesministerium fur Bildung, Wissenschaft, Forschung ‘I’ Supported by the Department of Energy. ” Supported by the National Science Foundation, ” Supportedby Ishida Foundation. Mitsubishi Foundation and Monbusho International Science Research Program. ” Supportedb y the National Science Foundation of the Netherlands. I4 Supported by Comision Interministerial de Ciencia y Tec-nologia. ” Supported by the US-Israel Binational Science Foundation and The Israeli Academy of Sciences. ‘* Supported by KBN. ” Now at Technische Universitgt. Dresden. D-01062.

FinansörlerFinansör numarası
Bundesministerium fur Bildung, Wissenschaft, Forschung
Israeli Academy of Sciences
KBN
National Science Foundation
U.S. Department of Energy
United States-Israel Binational Science Foundation
Comisión Interministerial de Ciencia y Tecnología
Politechnika KoszalińskaD-01062

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