Hadron spectroscopy in photo- and hadroproduction at COMPASS

Journal Article · Tue Jul 11 00:00:00 EDT 2006 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2220300· OSTI ID:20873346

Friedrich, J M ^[1]

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1. Physik Department, Technische Universitaet Muenchen (Germany)

COMPASS at CERN uses a 160 GeV/c muon beam on a polarized 6LiD target to measure spin-dependent nucleon structure functions. In addition, these high-statistics data on photoproduction offer information on hadron spectroscopy. We present results on the search for the {phi}(1860) pentaquark which had been observed by the NA49 experiment at CERN.COMPASS has also taken a first data sample using a pion beam, aiming to improve the pion polarisability measurement via scattering off a photon in the Coulomb field of a heavy nucleus, as well as meson spectroscopy in the diffractive scattering regime. First spectra of the ongoing analysis are presented.

• OSTI ID: 20873346
• Journal Information: AIP Conference Proceedings, Vol. 842, Issue 1; Conference: 17. international conference on particles and nuclei, Santa Fe, NM (United States), 23-30 Oct 2005; Other Information: DOI: 10.1063/1.2220300; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CERN SPS SYNCHROTRON
COULOMB FIELD
GEV RANGE
HEAVY NUCLEI
MESON SPECTROSCOPY
MULTIPARTICLE SPECTROMETERS
MUON BEAMS
NUCLEONS
PARTICLE IDENTIFICATION
PHOTONS
PHOTOPRODUCTION
PION BEAMS
PIONS
POLARIZABILITY
SCATTERING
SPIN
STRUCTURE FUNCTIONS