Measurement of polarization observables of the associated strangeness production in proton proton interactions

Autor: Collaboration, COSY-TOF, Hauenstein, F., Borodina, E., Clement, H., Doroshkevich, E., Dzhygadlo, R., Ehrhardt, K., Eyrich, W., Gast, W., Gillitzer, A., Grzonka, D., Jowzaee, S., Klaja, P., Kober, L., Kilian, K., Krapp, M., Mertens, M., Moskal, P., Ritman, J., Roderburg, E., Röder, M., Schroeder, W., Sefzick, T., Smyrski, J., Wintz, P., Wüstner, P.

The Lambda polarization, the analyzing power, and the Lambda spin transfer coefficient of the reaction pp -> p K+ Lambda were measured at beam momenta of 2.70 GeV/c and 2.95 GeV/c, corresponding to excess energies of 122 MeV and 204 MeV. While the an

Externí odkaz: http://arxiv.org/abs/1607.06305

High precision measurement of the associated strangeness production in proton proton interactions

Autor: Collaboration, COSY-TOF, Jowzaee, S., Borodina, E., Clement, H., Doroshkevich, E., Dzhygadlo, R., Ehrhardt, K., Eyrich, W., Gast, W., Gillitzer, A., Grzonka, D., Hauenstein, F., Klaja, P., Kober, L., Kilian, K., Krapp, M., Mertens, M., Moskal, P., Ritman, J., Roderburg, E., Röder, M., Schroeder, W., Sefzick, T., Smyrski, J., Wintz, P., Wüstner, P.

Publikováno v: Eur. Phys. J. A (2016) 52: 7

A new high precision measurement of the reaction pp -> pK+Lambda at a beam momentum of 2.95 GeV/c with more than 200,000 analyzed events allows a detailed analysis of differential observables and their inter-dependencies. Correlations of the angular

Externí odkaz: http://arxiv.org/abs/1509.03980

On the SigmaN cusp in the pp -> pK+Lambda reaction

Autor: El-Samad, S. Abd, Borodina, E., Brinkmann, K. -Th., Clement, H., Doroshkevich, E., Dzhygadlo, R., Ehrhardt, K., Erhardt, A., Eyrich, W., Freiesleben, H., Gast, W., Gillitzer, A., Grzonka, D., Hanhart, C., Hauenstein, F., Klja, P., Kilian, K., Krapp, M., Ritman, J., Roderburg, E., Roeder, M., Schulte-Wissermann, M., Schroeder, W., Sfzick, T., Wagner, G. J., Wintz, P., Wuestner, P.

Measurements of the $pp \to pK^+\Lambda$ reaction at $T_p$ = 2.28 GeV have been carried out at COSY-TOF. In addition to the $\Lambda p$ FSI and $N^*$ resonance excitation effects a pronounced narrow structure is observed in the Dalitz plot and in its

Externí odkaz: http://arxiv.org/abs/1206.0426

AGATA - Advanced Gamma Tracking Array

Autor: Akkoyun, S., Algora, A., Alikhani, B., Ameil, F., de Angelis, G., Arnold, L., Astier, A., Ataç, A., Aubert, Y., Aufranc, C., Austin, A., Aydin, S., Azaiez, F., Badoer, S., Balabanski, D. L., Barrientos, D., Baulieu, G., Baumann, R., Bazzacco, D., Beck, F. A., Beck, T., Bednarczyk, P., Bellato, M., Bentley, M. A., Benzoni, G., Berthier, R., Berti, L., Beunard, R., Bianco, G. Lo, Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Blanc, F. Le, Blasco, J. M., Blasi, N., Bloor, D., Boiano, C., Borsato, M., Bortolato, D., Boston, A. J., Boston, H. C., Bourgault, P., Boutachkov, P., Bouty, A., Bracco, A., Brambilla, S., Brawn, I. P., Brondi, A., Broussard, S., Bruyneel, B., Bucurescu, D., Burrows, I., Bürger, A., Cabaret, S., Cahan, B., Calore, E., Camera, F., Capsoni, A., Carrió, F., Casati, G., Castoldi, M., Cederwall, B., Cercus, J. -L., Chambert, V., Chambit, M. El, Chapman, R., Charles, L., Chavas, J., Clément, E., Cocconi, P., Coelli, S., Coleman-Smith, P. J., Colombo, A., Colosimo, S., Commeaux, C., Conventi, D., Cooper, R. J., Corsi, A., Cortesi, A., Costa, L., Crespi, F. C. L., Cresswell, J. R., Cullen, D. M., Curien, D., Czermak, A., Delbourg, D., Depalo, R., Descombes, T., Désesquelles, P., Detistov, P., Diarra, C., Didierjean, F., Dimmock, M. R., Doan, Q. T., Domingo-Pardo, C., Doncel, M., Dorangeville, F., Dosme, N., Drouen, Y., Duchêne, G., Dulny, B., Eberth, J., Edelbruck, P., Egea, J., Engert, T., Erduran, M. N., Ertürk, S., Fanin, C., Fantinel, S., Farnea, E., Faul, T., Filliger, M., Filmer, F., Finck, Ch., de France, G., Gadea, A., Gast, W., Geraci, A., Gerl, J., Gernhäuser, R., Giannatiempo, A., Giaz, A., Gibelin, L., Givechev, A., Goel, N., González, V., Gottardo, A., Grave, X., Grȩbosz, J., Griffiths, R., Grint, A. N., Gros, P., Guevara, L., Gulmini, M., Görgen, A., Ha, H. T. M., Habermann, T., Harkness, L. J., Harroch, H., Hauschild, K., He, C., Hernández-Prieto, A., Hervieu, B., Hess, H., Hüyük, T., Ince, E., Isocrate, R., Jaworski, G., Johnson, A., Jolie, J., Jones, P., Jonson, B., Joshi, P., Judson, D. S., Jungclaus, A., Kaci, M., Karkour, N., Karolak, M., Kaşkaş, A., Kebbiri, M., Kempley, R. S., Khaplanov, A., Klupp, S., Kogimtzis, M., Kojouharov, I., Korichi, A., Korten, W., Kröll, Th., Krücken, R., Kurz, N., Ky, B. Y., Labiche, M., Lafay, X., Lavergne, L., Lazarus, I. H., Leboutelier, S., Lefebvre, F., Legay, E., Legeard, L., Lelli, F., Lenzi, S. M., Leoni, S., Lermitage, A., Lersch, D., Leske, J., Letts, S. C., Lhenoret, S., Lieder, R. M., Linget, D., Ljungvall, J., Lopez-Martens, A., Lotodé, A., Lunardi, S., Maj, A., van der Marel, J., Mariette, Y., Marginean, N., Marginean, R., Maron, G., Mather, A. R., Mȩczyński, W., Mendéz, V., Medina, P., Melon, B., Menegazzo, R., Mengoni, D., Merchan, E., Mihailescu, L., Michelagnoli, C., Mierzejewski, J., Milechina, L., Million, B., Mitev, K., Molini, P., Montanari, D., Moon, S., Morbiducci, F., Moro, R., Morrall, P. S., Möller, O., Nannini, A., Napoli, D. R., Nelson, L., Nespolo, M., Ngo, V. L., Nicoletto, M., Nicolini, R., Noa, Y. Le, Nolan, P. J., Norman, M., Nyberg, J., Obertelli, A., Olariu, A., Orlandi, R., Oxley, D. C., Özben, C., Ozille, M., Oziol, C., Pachoud, E., Palacz, M., Palin, J., Pancin, J., Parisel, C., Pariset, P., Pascovici, G., Peghin, R., Pellegri, L., Perego, A., Perrier, S., Petcu, M., Petkov, P., Petrache, C., Pierre, E., Pietralla, N., Pietri, S., Pignanelli, M., Piqueras, I., Podolyak, Z., Pouhalec, P. Le, Pouthas, J., Pugnére, D., Pucknell, V. F. E., Pullia, A., Quintana, B., Raine, R., Rainovski, G., Ramina, L., Rampazzo, G., La Rana, G., Rebeschini, M., Recchia, F., Redon, N., Reese, M., Reiter, P., Regan, P. H., Riboldi, S., Richer, M., Rigato, M., Rigby, S., Ripamonti, G., Robinson, A. P., Robin, J., Roccaz, J., Ropert, J. -A., Rossé, B., Alvarez, C. Rossi, Rosso, D., Rubio, B., Rudolph, D., Saillant, F., Şahin, E., Salomon, F., Salsac, M. -D., Salt, J., Salvato, G., Sampson, J., Sanchis, E., Santos, C., Schaffner, H., Schlarb, M., Scraggs, D. P., Seddon, D., Şenyiğit, M., Sigward, M. -H., Simpson, G., Simpson, J., Slee, M., Smith, J. F., Sona, P., Sowicki, B., Spolaore, P., Stahl, C., Stanios, T., Stefanova, E., Stézowski, O., Strachan, J., Suliman, G., Söderström, P. -A., Tain, J. L., Tanguy, S., Tashenov, S., Theisen, Ch., Thornhill, J., Tomasi, F., Toniolo, N., Touzery, R., Travers, B., Triossi, A., Tripon, M., Tun-Lanoë, K. M. M., Turcato, M., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., Vandone, V., Vardaci, E., Venturelli, R., Veronese, F., Veyssiere, Ch., Viscione, E., Wadsworth, R., Walker, P. M., Warr, N., Weber, C., Weisshaar, D., Wells, D., Wieland, O., Wiens, A., Wittwer, G., Wollersheim, H. J., Zocca, F., Zamfir, N. V., Ziȩbliński, M., Zucchiatti, A.

The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals.

Externí odkaz: http://arxiv.org/abs/1111.5731

Influence of N*-resonances on hyperon production in the channel pp->K+ Lambda p at 2.95, 3.20 and 3.30 GeV/c beam momentum

Autor: Collaboration, COSY-TOF, AbdEl-Samad, S., Abdel-Bary, M., Brinkmann, K., Clement, H., Dietrich, J., Dorochkevitch, E., Dshemuchadse, S., Ehrhardt, K., Erhardt, A., Eyrich, W., Fanara, C., Filges, D., Filippi, A., Freiesleben, H., Fritsch, M., Gast, W., Georgi, J., Gillitzer, A., Gottwald, J., Hauffe, J., Hesselbarth, D., Jaeger, H., Jakob, B., Jaekel, R., Karsch, L., Kilian, K., Koch, H., Krapp, M., Kress, J., Kuhlmann, E., Lehmann, A., Marcello, S., Marwinski, S., Mauro, S., Metzger, A., Meyer, W., Michel, P., Moeller, K., Moertel, H., Morsch, H. P., Naumann, L., Paul, N., Pinna, L., Pizzolotto, C., Plettner, C., Reimann, S., Richter, M., Ritman, J., Roderburg, E., Schamlott, A., Schoenmeier, P., Schulte-Wissermann, M., Schroeder, W., Sefzick, T., Steinke, M., Stinzing, F., Sun, G., Teufel, A., Ullrich, W., Waechter, J., Wagner, G. J., Wagner, M., Wenzel, R., Wilms, A., Wintz, P., Wirth, S., Wuestner, P., Zupranski, P.

Publikováno v: Phys.Lett.B688:142-149,2010

Hyperon production in the threshold region was studied in the reaction pp -> K+Lp using the time-of-flight spectrometer COSY-TOF. Exclusive data, covering the full phase-space, were taken at the three different beam momenta of p_beam=2.95, 3.20 and 3

Externí odkaz: http://arxiv.org/abs/1003.0603