Inclusive dielectron production in proton-proton collisions at 2.2 GeV beam energy

Autor: Agakishiev, G., Alvarez-Pol, H., Balanda, A., Bassini, R., Böhmer, M., Bokemeye, H., Boyard, J. L., Cabanelas, P., Chernenko, S., Christ, T., Destefanis, M., Dohrmann, F., Dybczak, A., Eberl, T., Fabbietti, L., Fateev, O., Finocchiaro, P., Friese, J., Fröhlich, I., Galatyuk, T., Garzón, J. A., Gernhäuser, R., Gilardi, C., Golubeva, M., González-Díaz, D., Guber, F., Gumberidze, M., Hennino, T., Holzmann, R., Ierusalimov, A., Iori, I., Ivashkin, A., Jurkovic, M., Kämpfer, B., Kanaki, K., Karavicheva, T., Koenig, I., Koenig, W., Kolb, B. W., Kotte, R., Kozuch, A., Krizek, F., Kühn, W., Kugler, A., Kurepin, A., Lang, S., Lapidus, K., Liu, T., Maier, L., Markert, J., Metag, V., Michalska, B., Morinière, E., Mousa, J., Münch, M., Müntz, C., Naumann, L., Otwinowski, J., Pachmayer, Y. C., Pechenov, V., Pechenova, O., Cavalcanti, T. Perez, Pietraszko, J., Pospisil, V., Przygoda, W., Ramstein, B., Reshetin, A., Roy-Stephan, M., Rustamov, A., Sadovsky, A., Sailer, B., Salabura, P., Sánchez, M., Schmah, A., Schwab, E., Sobolev, Yu. G., Spataro, S., Spruck, B., Ströbele, H., Stroth, J., Sturm, C., Tarantola, A., Teilab, K., Tlusty, P., Toia, A., Traxler, M., Trebacz, R., Tsertos, H., Wagner, V., Wisniowski, M., Wojcik, T., Wüstenfeld, J., Yurevich, S., Zanevsky, Y., Zumbruch, P.

Data on inclusive dielectron production are presented for the reaction p+p at 2.2 GeV measured with the High Acceptance DiElectron Spectrometer (HADES). Our results supplement data obtained earlier in this bombarding energy regime by DLS and HADES. T

Externí odkaz: http://arxiv.org/abs/1203.2549

Hyperon production in Ar+KCl collisions at 1.76A GeV

Autor: Agakishiev, G., Balanda, A., Bannier, B., Bassini, R., Belver, D., Belyaev, A., Blanco, A., Böhmer, M., Boyard, J. L., Cabanelas, P., Castro, E., Chernenko, S., Christ, T., Destefanis, M., Diaz, J., Dohrmann, F., Dybczak, A., Eberl, T., Epple, E., Fabbietti, L., Fateev, O., Finocchiaro, P., Fonte, P., Friese, J., Froehlich, I., Galatyuk, T., Garzon, J. A., Gernhaeuser, R., Gil, A., Gilardi, C., Golubeva, M., Gonzalez-Diaz, D., Guber, F., Gumberidze, M., Heilmann, M., Heinz, T., Hennino, T., Holzmann, R., Huck, P., Iori, I., Ivashkin, A., Jurkovic, M., Kaempfer, B., Kanaki, K., Karavicheva, T., Kirschner, D., Koenig, I., Koenig, W., Kolb, B. W., Kotte, R., Krizek, F., Kruecken, R., Kuehn, W., Kugler, A., Kurepin, A., Lang, S., Lange, J. S., Lapidus, K., Liu, T., Lopes, L., Lorenz, M., Maier, L., Mangiarotti, A., Markert, J., Metag, V., Michalska, B., Michel, J., Mishra, D., Moriniere, E., Mousa, J., Muentz, C., Naumann, L., Otwinowski, J., Pachmayer, Y. C., Palka, M., Parpottas, Y., Pechenov, V., Pechenova, O., Perez-Cavalcanti, T., Pietraszko, J., Przygoda, W., Ramstein, B., Reshetin, A., Roy-Stephan, M., Rustamov, A., Sadovsky, A., Sailer, B., Salabura, P., Schmah, A., Schwab, E., Siebenson, J., Sobolev, Yu. G., Spataro, S., Spruck, B., Stroebele, H., Stroth, J., Sturm, C., Tarantola, A., Teilab, K., Tlusty, P., Traxler, M., Trebacz, R., Tsertos, H., Wagner, V., Weber, M., Wendisch, C., Wisniowski, M., Wojcik, T., Wuestenfeld, J., Yurevich, S., Zanevsky, Y., Zhou, P., Zumbruch, P., Collaboration, HADES

Publikováno v: Eur.Phys.J.A47:21,2011

We present transverse momentum spectra, rapidity distribution and multiplicity of Lambda-hyperons measured with the HADES spectrometer in the reaction Ar(1.76A GeV)+KCl. The yield of Xi- is calculated from our previously reported Xi-/(Lambda+Sigma0)

Externí odkaz: http://arxiv.org/abs/1010.1675

In-Medium Effects on K0 Mesons in Relativistic Heavy-Ion Collisions

Autor: Agakishiev, G., Balanda, A., Bannier, B., Bassini, R., Belver, D., Belyaev, A. V., Blanco, A., Böhmer, M., Boyard, J. L., Cabanelas, P., Castro, E., Chernenko, S., Christ, T., Destefanis, M., Díaz, J., Dohrmann, F., Dybczak, A., Eberl, T., Epple, E., Fabbietti, L., Fateev, O. V., Finocchiaro, P., Fonte, P., Friese, J., Fröhlich, I., Galatyuk, T., Garzón, J. A., Gernhäuser, R., Gil, A., Gilardi, C., Golubeva, M., González-Díaz, D., Guber, F., Heilmann, M., Heinz, T., Hennino, T., Holzmann, R., Ierusalimov, A., Iori, I., Ivashkin, A., Jurkovic, M., Kämpfer, B., Kanaki, K., Karavicheva, T., Kirschner, D., Koenig, I., Koenig, W., Kolb, B. W., Kotte, R., Krizek, F., Krücken, R., Kühn, W., Kugler, A., Kurepin, A., Lang, S., Lange, J. S., Lapidus, K., Liu, T., Lopes, L., Lorenz, M., Maier, L., Mangiarotti, A., Markert, J., Metag, V., Michalska, B., Michel, J., Mishra, D., Morinière, E., Mousa, J., Müntz, C., Naumann, L., Otwinowski, J., Pachmayer, Y. C., Palka, M., Parpottas, Y., Pechenov, V., Pechenova, O., PérezCavalcanti, T., Pietraszko, J., Przygoda, W., Ramstein, B., Reshetin, A., Roy-Stephan, M., Rustamov, A., Sadovsky, A., Sailer, B., Salabura, P., Schmah, A., Schwab, E., Sobolev, Yu. G., Spataro, S., Spruck, B., Ströbele, H., Stroth, J., Sturm, C., Sudol, M., Tarantola, A., Teilab, K., Tlusty, P., Traxler, M., Trebac, R., Tsertos, H., Wagner, V., Weber, M., Wisniowski, M., Wojcik, T., Wüstenfel, J., Yurevich, S., Zanevsky, Y. V., Zhou, P., Zumbruch, P.

We present the transverse momentum spectra and rapidity distributions of $\pi^{-}$ and K$^0_S$ in Ar+KCl reactions at a beam kinetic energy of 1.756 A GeV measured with the spectrometer HADES. The reconstructed K$^0_S$ sample is characterized by good

Externí odkaz: http://arxiv.org/abs/1004.3881

Tracing a phase transition with fluctuations of the largest fragment size: Statistical multifragmentation models and the ALADIN S254 data

Autor: Pietrzak, T., Adrich, P., Aumann, T., Bacri, C. O., Barczyk, T., Bassini, R., Bianchin, S., Boiano, C., Botvina, A. S., Boudard, A., Brzychczyk, J., Chbihi, A., Cibor, J., Czech, B., De Napoli, M., Ducret, J. -E., Emling, H., Frankland, J. D., Hellstrom, M., Henzlova, D., Imme, G., Iori, I., Johansson, H., Kezzar, K., Lafriakh, A., Fevre, A. Le, Gentil, E. Le, Leifels, Y., Luhning, J., Lukasik, J., Lynch, W. G., Lynen, U., Majka, Z., Mocko, M., Muller, W. F. J., Mykulyak, A., Orth, H., Otte, A. N., Palit, R., Pawlowski, P., Pullia, A., Raciti, G., Rapisarda, E., Sann, H., Schwarz, C., Sfienti, C., Simon, H., Summerer, K., Trautmann, W., Tsang, M. B., Verde, G., Volant, C., Wallace, M., Weick, H., Wiechula, J., Wieloch, A., Zwieglinski, B.

A phase transition signature associated with cumulants of the largest fragment size distribution has been identified in statistical multifragmentation models and examined in analysis of the ALADIN S254 data on fragmentation of neutron-poor and neutro

Externí odkaz: http://arxiv.org/abs/1003.2800

Isotopic Dependence of the Caloric Curve

Autor: The ALADIN2000 Collaboration, Trautmann, W., Adrich, P., Aumann, T., Bacri, C. O., Barczyk, T., Bassini, R., Bianchin, S., Boiano, C., Botvina, A. S., Boudard, A., Brzychczyk, J., Chbihi, A., Cibor, J., Czech, B., De Napoli, M., Ducret, J. -E., Emling, H., Frankland, J. D., Hellstroem, M., Henzlova, D., Imme, G., Iori, I., Johansson, H., Kezzar, K., Lafriakh, A., Fevre, A. Le, Gentil, E. Le, Leifels, Y., Luehning, J., Lukasik, J., Lynch, W. G., Lynen, U., Majka, Z., Mocko, M., Mueller, W. F. J., Mykulyak, A., Orth, H., Otte, A. N., Palit, R., Pawlowski, P., Pullia, A., Raciti, G., Rapisarda, E., Sann, H., Schwarz, C., Sfienti, C., Simon, H., Suemmerer, K., Tsang, M. B., Verde, G., Volant, C., Wallace, M., Weick, H., Wiechula, J., Wieloch, A., Zwieglinski, B.

Publikováno v: Prog.Part.Nucl.Phys.62:407-412,2009

Isotopic effects in projectile fragmentation at relativistic energies have been studied with the ALADIN forward spectrometer at SIS. Stable and radioactive Sn and La beams with an incident energy of 600 MeV per nucleon have been used in order to expl

Externí odkaz: http://arxiv.org/abs/0907.1196