Zobrazeno 1 - 10
of 949
pro vyhledávání: '"Wilkens, B."'
Every finite $p$-group of coclass 2 has a noninner automorphism of order $p$ leaving the center elementwise fixed.
Externí odkaz:
http://arxiv.org/abs/1307.5416
In this note, the existence of noninner automorphisms of order 2 for finite 2-groups of coclass 2 is proved. Combining our result with a recent one due to Y. Guerboussa and M. Reguiat (see arXiv:1301.0085), we prove that every finite $p$-group of coc
Externí odkaz:
http://arxiv.org/abs/1306.2649
Autor:
Zeng, Li, Helgren, E., Islam, R., Wilkens, B. J., Culbertson, R. J., Smith, David J., Hellman, F.
The magnetic and electrical transport properties of Mn-doped amorphous silicon (\textit{a-}Mn$_{x}$Si$_{1-x}$) thin films have been measured. The magnetic susceptibility obeys the Curie-Weiss law for a wide range of $x$ (0.005-0.175) and the saturati
Externí odkaz:
http://arxiv.org/abs/0706.2847
Autor:
Gandikota, R., Singh, R. K., Kim, J., Wilkens, B., Newman, N., Rowell, J. M., Pogrebnyakov, A. V., Xi, X. X., Redwing, J. M., Xu, S. Y., Li, Qi, Moeckly, B. H.
The effect of damage induced by 2-MeV alpha particles, followed by annealing, on the critical temperature (Tc), resistivity, and upper critical field (Hc2), of three MgB2 films made by different deposition processes has been studied. Damage creates a
Externí odkaz:
http://arxiv.org/abs/cond-mat/0503761
Effect of damage by 2-MeV He ions on the normal and superconducting properties of magnesium diboride
Autor:
Gandikota, R., Singh, R. K., Kim, J., Wilkens, B., Newman, N., Rowell, J. M., Pogrebnyakov, A. V., Xi, X. X., Redwing, J. M., Xu, S. Y., Li, Qi
We have studied the effect of damage induced by 2-MeV alpha particles on the critical temperature, Tc, and resistivity of MgB2 thin films. This technique allows defects to be controllably introduced into MgB2 in small successive steps. Tc decreases l
Externí odkaz:
http://arxiv.org/abs/cond-mat/0410655
Autor:
Braccini, V., Gurevich, A., Giencke, J. E., Jewell, M. C., Eom, C. B., Larbalestier, D. C., Pogrebnyakov, A., Cui, Y., Liu, B. T., Hu, Y. F., Redwing, J. M., Li, Qi, Xi, X. X., Singh, R. K., Gandikota, R., Kim, J., Wilkens, B., Newman, N., Rowell, J., Moeckly, B., Ferrando, V., Tarantini, C., Marre, D., Putti, M., Ferdeghini, C., Vaglio, R., Haanappel, E.
We investigated the effect of alloying on the upper critical field $H_{c2}$ in 12 $MgB_2$ films, in which disorder was introduced by growth, carbon doping or He-ion irradiation, finding a significant $H_{c2}$ enhancement in C-alloyed films, and an an
Externí odkaz:
http://arxiv.org/abs/cond-mat/0402001
Autor:
Harr, R., Liapis, C., Karchin, P., Biino, C., Erhan, S., Hofmann, W., Kreuzer, P., Lynn, D., Medinnis, M., Palestini, S., Pesando, L., Punturo, M., Schlein, P., Wilkens, B., Zweizig, J.
Publikováno v:
Phys.Lett. B401 (1997) 176-180
Using a silicon vertex detector, we measure the charged particle pseudorapidity distribution over the range 1.5 to 5.5 using data collected from PbarP collisions at root s = 630 GeV. With a data sample of 3 million events, we deduce a result with an
Externí odkaz:
http://arxiv.org/abs/hep-ex/9703002
Autor:
Aurenche, P., Schuler, G. A., Bawa, A., Boudinov, E., Buijs, A., Cacciari, M., Corsetti, A., Da Silva, W., Dubinin, M., Engel, R., Erne, F., Field, J., Finch, A., Forshaw, J., Godbole, R., Guillet, J. Ph., Hou, S. R., Kapusta, F., Kennedy, B., Kienzle, M. N., Kraemer, M., Kroll, P., Laenen, E., Lehto, M., Lonnblad, L., Miller, D., Pancheri, G., Parisi, J., Perret-Gallix, D., Ranft, J., van Rhee, T., Riemersma, S., Serbo, V., Seymour, M. H., Shimizu, Y., Sjostrand, T., Soldner-Rembold, S., Stratmann, M., Tyapkin, I., Vogt, A., Ward, J., Wilkens, B., Wright, A., Zimin, N. I.
This report is an overview of the gamma-gamma physics capabilities of LEP2, and covers the following topics: structure functions, equivalent photon approximation, tagging conditions etc, soft and semihard physics, large-$p_t$ processes, heavy-quark p
Externí odkaz:
http://arxiv.org/abs/hep-ph/9601317
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