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71.
Prof. Dr. O. Fuchs 《Colloid and polymer science》1973,251(5):353-355
Ohne Zusammenfassung 相似文献
72.
73.
74.
A. Gamp M. Bürgel M. R. Clover Ch. Egelhaaf H. Fuchs B. Gebauer H. Homeyer W. Rauch J. C. Jacmart 《Zeitschrift für Physik A Hadrons and Nuclei》1982,309(1):49-53
Angular and energy correlations betweenα-particles and deep-inelastic projectile-like fragments were measured for the system36Ar+197Au atE Lab=380 MeV. At most half of the coincident events can be attributed to statistical emission ofα-particles from the fully accelerated projectile-like fragments. The remainder of the events may be due to direct emission during the first 10?22 s of the scattering process and to preequilibrium processes taking place within some 10?21 s. 相似文献
75.
O. Fuchs 《Fresenius' Journal of Analytical Chemistry》1967,232(5):355-364
Ohne Zusammenfassung 相似文献
76.
D. Andre A. Dworkin P. Figuiere A.H. Fuchs H. Szwarc 《Journal of Physics and Chemistry of Solids》1985,46(4):505-513
This calorimetric study of crystalline thiophene between 77 and 250 K reveals the existence of four phase transitions at 174.50, 170.49, 136.8 and 111.26 K, respectively. The transition II-III (170.49 K) is easily avoided during cooling, leading to metastable phases, which, in turn, exhibit their own phase transitions.These findings explain previously confused observations. The existence of stable and metastable phases was confirmed by thermally stimulated current measurements. Intermolecular Raman spectra were observed between 10 and 300 K and assigned to the observed phases. Some predictions are made concerning the low-temperature behaviour of thiophene. Tentative rules are proposed to number metastable phases relative to stable ones. 相似文献
77.
78.
E. Martini H. Kämmerer H. Fasold F. Kloos M. Fleißner K. Dehnicke O. Fuchs 《Colloid and polymer science》1981,259(8):865-872
Ohne Zusammenfassung 相似文献
79.
We present simulation results addressing the dynamics of a colloidal system with attractive interactions close to gelation. Our interaction also has a soft, long-range repulsive barrier that suppresses liquid-gas type phase separation at long wavelengths. The new results presented here lend further weight to an intriguing picture emerging from our previous simulation work on the same system. Whereas mode coupling theory (MCT) offers quantitatively good results for the decay of correlators, closer inspection of the dynamics reveals a bimodal population of fast and slow particles with a very long exchange time scale. This population split represents a particular form of dynamic heterogeneity (DH). Although DH is usually associated with activated hopping and/or facilitated dynamics in glasses, the form of DH observed here may be more collective in character and associated with static (i.e., structural) heterogeneity. 相似文献
80.
Bartholomy O Credé V van Pee H Anisovich AV Anton G Bantes R Beloglazov Y Bogendörfer R Castelijns R Ehmanns A Ernst J Fabry I Flemming H Fösel A Freiesleben H Fuchs M Funke Ch Gothe R Gridnev A Gutz E Höffgen SK Horn I Hössl J Joosten R Junkersfeld J Kalinowsky H Klein F Klempt E Koch H Konrad M Kopf B Krusche B Langheinrich J Löhner H Lopatin I Lotz J Matthäy H Menze D Messchendorp J Morales C Novinski D Ostrick M Radkov A Reinnarth J Sarantsev AV Schadmand S Schmidt Ch Schmieden H Schoch B 《Physical review letters》2005,94(1):012003
Single pi(0) photoproduction has been studied with the CB-ELSA experiment at Bonn using tagged photon energies between 0.3 and 3.0 GeV. The experimental setup covers a very large solid angle of approximately 98% of 4pi. Differential cross sections dsigma/dOmega have been measured. Complicated structures in the angular distributions indicate a variety of different resonances being produced in the s channel intermediate state gammap-->N(*)(Delta(*))-->ppi(0). A combined analysis including the data presented in this letter along with other data sets reveals contributions from known resonances and evidence for a new resonance N(2070)D15. 相似文献