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pro vyhledávání: '"SCHUMANN F."'
We discuss some experimental facets of electron pair emission from surfaces using two different experimental approaches. In the first case the instrument consists of a pair of hemispherical analyzers which are operated with continuous primary beams o
Externí odkaz:
http://arxiv.org/abs/2111.09203
Autor:
Leitner, T., Born, A., Bidermane, I., Ovsyannikov, R., Johansson, F. O. L., Sassa, Y., Föhlisch, A., Lindblad, A., Schumann, F. O., Svensson, S., Mårtensson, N.
In this work, we present the CoESCA station for electron-electron coincidence spectroscopy from surfaces, built in a close collaboration between Uppsala University and Helmholtz-Zentrum Berlin at the BESSY II synchrotron facility in Berlin, Germany.
Externí odkaz:
http://arxiv.org/abs/2012.09750
Akademický článek
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For a ultrathin NiO(001) film of 4 monolayers (ML) thickness grown on Ag(001), the vibrational properties have been determined by high-resolution electron energy loss spectroscopy (HREELS). For the well-ordered pseudomorphically grown film, nine phon
Externí odkaz:
http://arxiv.org/abs/1506.01278
Autor:
Lemut, A., Bemmerer, D., Confortola, F., Bonetti, R., Broggini, C., Corvisiero, P., Costantini, H., Cruz, J., Formicola, A., Fulop, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyurky, Gy., Imbriani, G., Jesus, A. P., Junker, M., Limata, B., Menegazzo, R., Prati, P., Roca, V., Rogalla, D., Rolfs, C., Romano, M., Alvarez, C. Rossi, Schumann, F., Somorjai, E., Straniero, O., Strieder, F., Terrasi, F., Trautvetter, H. P.
Publikováno v:
Phys.Lett. B634 (2006) 483-487
In stars with temperatures above 20*10^6 K, hydrogen burning is dominated by the CNO cycle. Its rate is determined by the slowest process, the 14N(p,gamma)15O reaction. Deep underground in Italy's Gran Sasso laboratory, at the LUNA 400 kV accelerator
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0602012
Autor:
Imbriani, G., Costantini, H., Formicola, A., Vomiero, A., Angulo, C., Bemmerer, D., Bonetti, R., Broggini, C., Confortola, F., Corvisiero, P., Cruz, J., Descouvemont, P., Fulop, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyurky, Gy., Jesus, A. P., Junker, M., Klug, J. N., Lemut, A., Menegazzo, R., Prati, P., Roca, V., Rolfs, C., Romano, M., Alvarez, C. Rossi, Schumann, F., Schurmann, D., Somorjai, E., Straniero, O., Strieder, F., Terrasi, F., Trautvetter, H. P.
Publikováno v:
Eur.Phys.J. A25 (2005) 455-466
The astrophysical S-factor of 14N(p,gamma)15O has been measured for effective center-of-mass energies between E_eff = 119 and 367 keV at the LUNA facility using TiN solid targets and Ge detectors. The data are in good agreement with previous and rece
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0509005
Feasibility of low energy radiative capture experiments at the LUNA underground accelerator facility
Autor:
Bemmerer, D., Confortola, F., Lemut, A., Bonetti, R., Broggini, C., Corvisiero, P., Costantini, H., Cruz, J., Formicola, A., Fulop, Zs., Gervino, G., Guglielmetti, A., Gustavino, C., Gyurky, Gy., Imbriani, G., Jesus, A. P., Junker, M., Limata, B., Menegazzo, R., Prati, P., Roca, V., Rogalla, D., Rolfs, C., Romano, M., Alvarez, C. Rossi, Schumann, F., Somorjai, E., Straniero, O., Strieder, F., Terrasi, F., Trautvetter, H. P., Vomiero, A.
Publikováno v:
Eur.Phys.J. A24 (2005) 313-319
The LUNA (Laboratory Underground for Nuclear Astrophysics) facility has been designed to study nuclear reactions of astrophysical interest. It is located deep underground in the Gran Sasso National Laboratory, Italy. Two electrostatic accelerators, w
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0502007
Autor:
Imbriani, G., Costantini, H., Formicola, A., Bemmerer, D., Bonetti, R., Broggini, C., Corvisiero, P., Cruz, J., Fulop, Z., Gervino, G., Guglielmetti, A., Gustavino, C., Gyurky, G., Jesus, A. P., Junker, M., Lemut, A., Menegazzo, R., Prati, P., Roca, V., Rolfs, C., Romano, M., Alvarez, C. Rossi, Schumann, F., Somorjai, E., Straniero, O., Strieder, F., Terrasi, F., Trautvetter, H. P., Vomiero, A., Zavatarelli, S.
Publikováno v:
Astron.Astrophys. 420 (2004) 625-629
The transition between the Main Sequence and the Red Giant Branch in low mass stars is powered by the onset of the CNO burning, whose bottleneck is the $^{14}$N(p,$\gamma)^{15}$O. The LUNA collaboration has recently improved the low energy measuremen
Externí odkaz:
http://arxiv.org/abs/astro-ph/0403071
Autor:
Makhmudova, U., Schatz, U., Perakakis, N., Kassner, U., Schumann, F., Axthelm, C., Stürzebecher, P., Sinning, D. L., Doevelaar, A., Rohn, B., Westhoff, T., Vogt, A., Scholl, M., Kästner, U., Geiling, J.-A., Stach, K., Mensch, J., Lorenz, E., Paitazoglou, C., Eitel, I.
Publikováno v:
Clinical Research in Cardiology; Nov2023, Vol. 112 Issue 11, p1639-1649, 11p
Akademický článek
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