Determination of ππ scattering lengths from measurement of π+π− atom lifetime

Autor: R. Hosek, S. Vlachos, K. Okada, J. Gerndt, V.I. Komarov, Y. Yoshimura, A. Sidorov, P. Leruste, M.J. Tobar, J.-M. Perreau, L. Nemenov, J. Marín, T. Maki, A. Benelli, T. Vrba, G.F. Rappazzo, Masaaki Kobayashi, A. Lamberto, M. Gallas Torreira, V. Yazkov, A.V. Kuptsov, P. Zrelov, M. Zhabitsky, V.M. Ronjin, C. Guaraldo, D. Dreossi, P. Doskarova, S.V. Trusov, C. Schuetz, A. Romero Vidal, V. Lucherini, T. Nunez Pardo, Josue Molina Rodriguez, A. Dudarev, L. Afanasyev, S. Constantinescu, Masami Chiba, V. Kruglov, Tomáš Čechák, J.-L. Narjoux, M. Pentia, C. Ciocarlan, K. I. Kuroda, J. Kluson, R. Lednicky, O. Voskresenskaya, P. Levi Sandri, D. Drijard, V. Olchevskii, J. Schacher, A. Tarasov, A. Riazantsev, M. Gugiu, A. Rodriguez Fernandez, V. Brekhovskikh, I. Manuilov, O. Vazquez Doce, T. Ponta, C. Curceanu, A. Pazos, A. Penzo, L. Tauscher, T. Trojek, Z. Berka, G. Caragheorgheopol, O. Gorchakov, M. Nikitin, J. Saborido, C. Willmott, Paola Gianotti, M. Ferro-Luzzi, M. Plo, V. Karpukhin, L. Kruglova, D. Goldin, Armando Lanaro, A. I. Kulikov, J. Smolik, S. Costantini, Z. Hons, C. Santamarina, M. Hansroul, J. L. Fungueirino Pazos, Panagiotis Kokkas, A. Lopez Agüera, P. Chliapnikov, Fujio Takeutchi, V. Utkin, Bernardo Adeva, V.I. Rykalin, M. Iliescu, F. Gomez, A. Gorin, V. Lapshin, M. Benayoun

Publikováno v: Physics Letters B. 704:24-29

The DIRAC experiment at CERN has achieved a sizeable production of + atoms and has significantly improved the precision on its lifetime determination. From a sample of 21227 atomic pairs, a 4% measurement of the S-wave scattering length di erence ja0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::924201713bf03753f7d657b22ffd0266
https://doi.org/10.1016/j.physletb.2011.08.074

Detection of π+π− atoms with the DIRAC spectrometer at CERN

Autor: G.F. Rappazzo, P. Zrelov, A. Dudarev, D. Goldin, V. Kruglov, K. I. Kuroda, J. Kluson, N. Kalinina, Makoto Kobayashi, C. Santamarina, M. Plo, M. Zhabitsky, C. Guaraldo, M. Hansroul, Alessandra Romero, T. Ponta, M. Nikitin, S.V. Trusov, Panagiotis Kokkas, J. Saborido, M. Gallas, A. Tarasov, V. Utkin, M. Benayoun, C. Schuetz, Nikolaos Manthos, A. Benelli, V. Olchevskii, D. Drijard, L. Kruglova, Bernardo Adeva, V. Karpukhin, J. Gerndt, V. Lucherini, T. Nunez Pardo, O. Gorchakov, Massimiliano Ferro-Luzzi, Tomáš Čechák, P. Vazquez, M. Iliescu, Ioannis Evangelou, A. Penzo, F. Gomez, A. Lamberto, A. Pazos, L. Afanasyev, A. I. Kulikov, J. Smolik, S. Vlachos, K. Okada, O. Vazquez Doce, M. Pentia, A. Rodriguez Fernandez, R. Lednicky, V. Lapshin, R. Hosek, L. Nemenov, V.I. Rykalin, M.J. Tobar, P. Levi Sandri, R. Giacomich, J. Schacher, A. Lopez Agüera, T. Maki, D. Pop, J. M. Perreau, F. Takeutchi, C. Detraz, S. Costantini, I. Manuilov, Y. Yoshimura, V.I. Komarov, A. Sidorov, V. Yazkov, A. Lanaro, Paola Gianotti, I. Kurochkin, P. Leruste, Masami Chiba, D. Dreossi, C. Petrascu, S. Constantinescu, L. Montanet, A. Gorin, V. Brekhovskikh, L. Tauscher, Z. Berka, G. Caragheorgheopol, J.-L. Narjoux, A.V. Kuptsov, A. Ryazantsev

Publikováno v: Journal of Physics G: Nuclear and Particle Physics. 30:1929-1946

The goal of the DIRAC experiment at CERN is to measure with high precision the lifetime of the $\pi^+\pi^-$ atom ($A_{2\pi}$), which is of order $3\times10^{-15}$ s, and thus to determine the s-wave $\pi\pi$-scattering lengths difference $|a_{0}-a_{2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f1aec24d6952675038c2f20d111c963
https://doi.org/10.1088/0954-3899/30/12/012

First year operational experience with the Cherenkov detector (DIRC) of BABAR

Autor: G. Wormser, A. Valassi, M. Karolak, D. Warner, G. R. Bonneaud, O. Hamon, G. De Domenico, H. Briand, M. Pripstein, Stéphane Plaszczynski, Robert Stone, Ph Leruste, B. Mayer, P. Stiles, B. N. Ratcliff, Ch Yèche, D. N. Brown, A. Gaidot, G. Oxoby, M. Zito, J. Va’vra, A. Lu, D. Imbault, Lydia Roos, M. Benayoun, M. Verderi, M. McCulloch, P. Bourgeois, R. Aleksan, G. Mancinelli, K. Truong, E. Roussot, A. de Lesquen, R. Cizeron, P. Matricon, H. Krueger, M. Long, C. De La Vaissiere, G. Fouque, S. W. K. Emery, M. E. Convery, P. Bailly, G. Hamel de Monchenault, Johann Cohen-Tanugi, W.A. Wenzel, R. W. Kadel, P. David, J. L. Narjoux, S. Versille, Ch Thiebaux, F. Le Diberder, R.J. Plano, T. Weber, Dominik Müller, Daniel E. Hale, S. Dardin, H. Kawahara, G. Lynch, G. Vasileiadis, G. W. London, J.F. Genat, A. Hoecker, A. V. Telnov, H. Lebbolo, M. H. Schune, J. Schwiening, J. A. Kadyk, Robert Wilson, M. Kalelkar, V.G. Shelkov, J.-M. Noppe, S. M. Spanier, Roberto Reif, T.L. Geld, J. Rasson, L. Gosset, F. Gastaldi, A. M. Lutz, S. J. Yellin, I. Adam, J. Chauveau, C. Renard, J. Lory, G. Vasseur, P. Micout, B. T. Meadows, Dominique Breton, D. McShurley, M. D. Sokoloff, D. Aston, C. Beigbeder, D. Oshatz, Jan Stark, A. A. Salnikov, M. Benkebil, B. Zhang

Publikováno v: IEEE Transactions on Nuclear Science. 47:793-797

The DIRC (acronym for Detection of Internally Reflected Cherenkov (light)) is a new type of Cherenkov ring imaging detector based on total internal reflection that is used for the first time in the BaBar detector at the PEP-II ring of SLAC. The Chere

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f68644c445dd985c00753dd93324863e
https://doi.org/10.1109/23.856518

An internally reflecting Cherenkov detector (DIRC): properties of the fused silica radiators

Autor: M. Karolak, R. Cizeron, M. Pripstein, Johann Cohen-Tanugi, J.F. Genat, X. Sarazin, G. W. London, R. Alcksan, H. Hamel de Monchenault, M. H. Schune, A. M. Lutz, M. Benkebil, J. A. Kadyk, G. Vasseur, G. Fouque, B. T. Meadows, D. McShurley, M. D. Sokoloff, S. Sen, J.-M. Noppe, A. Lu, Roberto Reif, D. N. Brown, A. Gaidot, J. Schwiening, C. Beigbeder, Lydia Roos, H. Briand, F. Gastaldi, M. McCulloch, D. Oshatz, Stéphane Plaszczynski, E. Roussot, J. Rasson, B. N. Ratcliff, F. Le Diberder, K. Truong, H. Krueger, I. Adam, J. L. Narjoux, Daniel E. Hale, D. Breton, G. R. Bonneaud, J. Lory, P. Bourgeois, P. Stiles, O. Hamon, M. Benayoun, Ph Leruste, Robert Stone, M. Long, G. Lynch, R. Malchow, V.G. Shelkov, D. Aston, B. Mayer, A. de Lesquen, R. W. Kadel, Ch Thiebaux, H. Staengle, P. Matricon, M. E. Convery, P. David, R.J. Plano, L. Gosset, H. Kawahara, H. Lebbolo, J. Chauveau, C. Renard, P. Bailly, W. H. Toki, C. De La Vaissiere, G. Oxoby, L. Del Buono, G. Vasileiadis

Publikováno v: IEEE Transactions on Nuclear Science. 45:450-455

The DIRC, a new type of ring-imaging Cherenkov detector that images internally reflected Cherenkov light, is being constructed as the main hadronic particle identification component of the BABAR detector at SLAC. The device makes use of 5 meter long

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c432f9a28c5d66a131535dc396441dd
https://doi.org/10.1109/23.682425

Hyperon production in Pb+Pb collisions at 158 A GeV/c

Autor: S. Szafran, Anton Jusko, N. Armenise, Michele Guida, I. Králik, P. Jovanovic, S. Simone, K. Šafařík, Ph. Leruste, H. Helstrup, J. Ftacnik, P. Middelkamp, J. Bán, Paolo Martinengo, E. Nappi, N. Carrer, Leonardo Paolo Rossi, C. Voltolini, Federico Antinori, Håvard Helstrup, Pavel Staroba, Vito Manzari, J.A. Lien, G. Vassiliadis, V. Lenti, K. Fanebust, M. Luptak, G.F. Segato, Eugenio Cantatore, J. Šťastný, K. Knudson, M. Vaníčková, M. A. Mazzoni, S. Di Liberto, L. Lopez, B. Ghidini, A. Singovski, W. Geist, Erik H.M. Heijne, M. Morando, A. Jacholkowski, J.M. Brom, E. Quercigh, R. Blaes, P. Sennels, F. Posa, G. Romano, A. Volte, R. Lietava, R. Sené, B. Pastirčák, A.K. Holme, Alberto Andrighetto, G. Grella, K. Piska, J. L. Narjoux, T.F. Thorsteinsen, E. Andersen, Jean-Charles Fontaine, H. Rotscheidt, F. Navach, M. Dameri, D. Elia, L. Šándor, F. Pellegrini, M. T. Muciaccia, J. P. Davies, O. Villalobos Baillie, R. A. Ricci, David H. Evans, J. C. Lassalle, Petr Zavada, C. Salvo, I. Mácha, Dario Barberis, A. Di Mauro, K.L. Norman, G. Tomasicchio, Giovanni Darbo, V.A. Kachanov, T. Kachelhoffer, E. Chesi, Bianca Osculati, T. Storås, A. Kirk, M. G. Catanesi, B. R. French, M. Sené, B. Sopko, M. Campbell, A. Diaczek, M.E. Michalon-Mentzer, M.F. Votruba, W. Klempt, Franco Meddi, P. Farthouat, J. Bohm, T. Scognetti, J. Urban, H. Beker, J.B. Kinson, M. Venables, Gunnar Løvhøiden, V. Mack, R. A. Fini, A. Michalon, T. Virgili, W. Beusch, D. Huss, M. Benayoun, G. Rosa, D. Di Bari

Publikováno v: Acta Physica Hungarica A) Heavy Ion Physics. 4:97-103

Preliminary results from WA97 measurements on Λ, Ξ and Ω production in lead-lead and proton-lead collisions are presented, along with a comparison of WA97 proton-lead data with previous WA85 proton-tungsten results. The ratio Ω/Ξ seems to be enh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a80864862a2b10975e4626e3e794b7f
https://doi.org/10.1007/bf03155604