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Coupled channel analysis of $\pi^+ \pi^ -\pi^0$, $K^+ K^- \pi^0$ and $K^{\pm} K^0_S \pi^{\mp}$ from $\bar p p$ annihilation at rest in hydrogen targets at three densities
/ Bargiotti, M (Bologna U. ; INFN, Bologna) ; Bertin, A (Bologna U. ; INFN, Bologna) ; Bruschi, M (Bologna U. ; INFN, Bologna) ; Capponi, M (Bologna U. ; INFN, Bologna) ; De Castro, S (Bologna U. ; INFN, Bologna) ; Fabbri, L (Bologna U. ; INFN, Bologna) ; Faccioli, P (Bologna U. ; INFN, Bologna) ; Galli, D (Bologna U. ; INFN, Bologna) ; Giacobbe, B (Bologna U. ; INFN, Bologna) ; Marconi, U (Bologna U. ; INFN, Bologna) et al.
/OBELIX
The $\pi^+ \pi^ -\pi^0$, $K^+ K^- \pi^0$ and $K^\pm K^0 \pi^\mp$ final states produced by $\bar p p$ annihilation at rest at three different hydrogen target densities have been analyzed in the frame of a coupled channel analysis together with $\pi \pi$, $\pi K$ and $K \bar K$ scattering data. The percentages of the different partial waves, the branching ratios and the parameters (masses, widths, $\pi \pi$ and $K \bar K$ partial widths) of all the involved resonances ($J^P = 0^+, 1^-, 2^+$) have been measured. [...]
2002 - 18 p.
- Published in : Eur. Phys. J. C 26 (2003) 371-388
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3.
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4.
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Fast Photon Detection for COMPASS RICH1
/ Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Apollonio, M (INFN, Trieste ; Trieste U.) ; Birsa, R (INFN, Trieste ; Trieste U.) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Busso, L (INFN, Turin ; Turin U.) ; Chiosso, M (INFN, Turin ; Turin U.) et al.
The new photon detection system for COMPASS RICH-1 has been designed to cope with the demanding requests of operation at high beam intensity and at high trigger rates. The detection technique in the central region of RICH-1 has been changed with a system based on multianode photomultipliers coupled to individual fused silica lens telescopes and to a fast, almost dead time free readout system based on the MAD-4 amplifier-discriminator and the F1 TDC-chip. [...]
2006 - 8 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F317
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.317
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5.
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Optical telescopes for COMPASS RICH1 up-grade
/ Sulc, M (Liberec Tech. U.) ; Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Appolonio, M (INFN, Trieste ; Trieste U.) ; Birsa, R (INFN, Trieste ; Trieste U.) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Busso, L (INFN, Turin ; Turin U.) et al.
The central photon detection area of the Ring Imaging Cherenkov detector at COMPASS, a particle physics experiment at CERN SPS dedicated to hadron physics, has been upgraded from the previous system formed by wire chambers with CsI layers to a very fast UV extended multi anode photo multiplier tube array (MAPMT), including 576 tubes. The active area covered by the MAPMTs is 7.3 times smaller than the one previously equipped with CsI photocathodes, so 576 optical concentrators transforming the image from the old system focal plane to the new photocathode plane were needed. [...]
2006 - 8 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F325
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.325
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6.
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Hartmann test of the COMPASS RICH-1 optical telescopes
/ Polak, J (Liberec Tech. U.) ; Abbon, P (DSM, DAPNIA, Saclay) ; Alekseev, M (INFN, Turin ; Turin U.) ; Angerer, H (Munich, Tech. U.) ; Apollonio, M (Trieste U. ; INFN, Trieste) ; Birsa, R (Trieste U. ; INFN, Trieste) ; Bordalo, P (Lisbon, LIFEP) ; Bradamante, F (Trieste U. ; INFN, Trieste) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Busso, L (INFN, Turin ; Turin U.) et al.
The central region of COMPASS RICH-1 has been equipped with a new photon detection system based on MultiAnode PhotoMultiplier Tubes (MAPMT). The Cherenkov photons are focused by an array of 576 fused silica telescopes onto 576 MAPMTs. [...]
2008 - 6 p.
- Published in : Czechoslov. J. Phys. 56 (2006) F333
Fulltext: PDF;
In : Advanced Studies Institution Symmetries and Spin, Prague, Czech Republic, 19 - 26 Jul 2006, pp.333
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7.
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8.
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Technical Design Report for the: PANDA Straw Tube Tracker
/ PANDA Collaboration
This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the PANDA target spectrometer. The STT encloses a Micro-Vertex-Detector (MVD) for the inner tracking and is followed in beam direction by a set of GEM-stations. [...]
arXiv:1205.5441.-
2012
- Published in : Eur. Phys. J. A 49 (2013) 25
Fulltext from publisher: PDF; External link: Preprint
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9.
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Neutron-proton coincidences from Non-Mesonic Weak Decay of p-shell Lambda-hypernuclei and determination of the two-nucleon induced process
/ Agnello, M (INFN, Turin ; Turin Polytechnic) ; Benussi, L (Frascati) ; Bertani, M (Frascati) ; Bhang, H C (Seoul Natl. U.) ; Bonomi, G (INFN, Pavia ; INFM, Brescia) ; Botta, E (INFN, Turin ; Turin U.) ; Bregant, M (SUBATECH, Nantes) ; Bressani, T (INFN, Turin ; Turin U.) ; Bufalino, S (INFN, Turin) ; Busso, L (INFN, Turin ; Turin U.) et al.
The decay of Lambda-hypernuclei without pi emission, known as Non-Mesonic Weak Decay (NMWD), gives an effective tool to investigate Delta S = 1 four-baryon interactions. It was theoretically suggested that the two-nucleon induced mechanism could play a substantial role in reproducing the observed NMWD decay rates and nucleon spectra, but at present no direct evidence of such a mechanism has been obtained. [...]
2011
- Published in : Phys. Lett. B 701 (2011) 556-561
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10.
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An improved determination of the two--nucleon induced non mesonic weak decay of $\Lambda$-hypernuclei
/ Agnello, M. (Turin Polytechnic ; INFN, Turin) ; Benussi, L. (Frascati) ; Bertani, M. (Frascati) ; Bhang, H.C. (Seoul Natl. U.) ; Bonomi, G. (Brescia U. ; INFN, Pavia) ; Botta, E. (Turin U. ; INFN, Turin) ; Bregant, M. (SUBATECH, Nantes) ; Bressani, T. (Turin U. ; INFN, Turin) ; Bufalino, S. (INFN, Turin) ; Busso, L. (Turin U. ; INFN, Turin) et al.
The decay of $\Lambda$-hypernuclei without pion emission, known as Non Mesonic Weak Decay (NMWD), gives an effective tool to investigate $\Delta$S=1 four-baryon interactions [...]
arXiv:1101.4481.
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2011. - 10 p.
Preprint - Full text
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