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2 results on '"Saclay PS"'

1. A warm and friendly memorial session for Helmut Oeschler

Author

C. Müntz, Alexander Philipp Kalweit, Joachim Stroth, Jean Willy Andre Cleymans, Boris Hippolyte, Oeschler, Helmut, 17th International Conference on Strangeness in Quark Matter (SQM 2017), Institut Pluridisciplinaire Hubert Curien (IPHC), and Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
quark: matter, heavy ion: scattering, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], 010308 nuclear & particles physics, Physics, QC1-999, deuteron nucleus: scattering, nucleus nucleus: scattering, Strangeness, 01 natural sciences, Visual arts, strangeness, Saclay PS, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Nuclear Physics - Theory, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, Session (computer science), 010306 general physics, p nucleus: scattering, Particle Physics - Experiment, Particle Physics - Phenomenology
Abstract

International audience; A full session was organized in memory of Helmut Oeschler during the 2017 edition of the Strangeness in Quark Matter Conference. It was heart-warming to discuss with the audience his main achievements and share anecdotes about this exceptionally praised and appreciated colleague, who was also a great friend for many at the conference. A brief summary of the session is provided with these proceedings.

Published
2018

2. Formation of the S = -1 resonance X(2265) in the reaction pp → X+K+ at 2.50 and 2.85 GeV

Author

M. Maggiora, V. Frolov, D. Panzieri, Seonho Choi, M. L. Colantoni, M.G. Alexeev, Ken Suzuki, A. Grasso, F. Brochard, F. Tosello, P. Kienle, M.P. Bussa, S. Heinz, A. Maggiora, Toshimitsu Yamazaki, A. Brenschede, W. W. Jacobs, J. Ritman, R. Bertini, Gianfranco Zosi, G.B. Pontecorvo, R. Dressler, P. Salabura, A. Popov, L. C. Bland, L. Ferrero, R. Garfagnini, Mario Dzemidzic, S. E. Vigdor, J.-Cl. Faivre, W. Kuehn, M. Chiosso, Y. Bedfer, I. Froehlich, H.-W. Pfaff, Andrea Ferrero, F. Balestra, V. Tchalyshev, and J. Foryciarz

Subjects
exclusive reaction [p p], Physics, X(2265), Nuclear and High Energy Physics, education.field_of_study, +Lambda+K%2B+p%22">p p --> Lambda K+ p, DISTO experiment, missing-mass [mass spectrum], Population, 2.85 GeV [2.50], Resonance, Lambda, polarized proton beam, DISTO, Nuclear physics, wide-angle, Saclay PS, (2p K-) [bound state], Incident energy, ddc:530, education, Nuclear Experiment, production [Lambda(1405)], small-angle
Abstract

Analyzing DISTO data of $pp -> p Lambda K^+$ at $T_p = 2.50$ and 2.85 GeV to populate a previously reported X(2265) resonance with $M_X = 2267$ MeV/$c^2$ and $Gamma_X = 118$ MeV at 2.85 GeV, we found that the production of X(2265) at 2.50 GeV is much less than that at 2.85 GeV (less than 10%), though it is expected from a kinematical consideration to be produced as much as 33% of that at 2.85 GeV. The small population of X(2265) at 2.50 GeV is consistent with the very weak production of Lambda (1405) at the same incident energy toward its production threshold, thus indicating that Lambda (1405) plays an important role as a doorway state for the formation of X(2265)., Comment: 5 pages, 4 figures

Published
2012

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