Nuclear Physics, Section B, ISSN 0550-3213, 2007, Volume 765, Issue 1, pp. 31 - 70
New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely...
Transverse single-spin asymmetry | Sivers asymmetry | COMPASS | Deuteron | Collins asymmetry | Transversity | DRELL-YAN | deuteron | PROTON | LEPTOPRODUCTION | DETECTORS | QUANTUM CHROMODYNAMICS | COMPASS EXPERIMENT | DEEP-INELASTIC-SCATTERING | transversity | transverse single-spin asymmetry | SPIN ASYMMETRIES | QUARKS | ODD PARTON DISTRIBUTIONS | PHYSICS, PARTICLES & FIELDS | Measurement | Research institutes | Physics - High Energy Physics - Experiment
Transverse single-spin asymmetry | Sivers asymmetry | COMPASS | Deuteron | Collins asymmetry | Transversity | DRELL-YAN | deuteron | PROTON | LEPTOPRODUCTION | DETECTORS | QUANTUM CHROMODYNAMICS | COMPASS EXPERIMENT | DEEP-INELASTIC-SCATTERING | transversity | transverse single-spin asymmetry | SPIN ASYMMETRIES | QUARKS | ODD PARTON DISTRIBUTIONS | PHYSICS, PARTICLES & FIELDS | Measurement | Research institutes | Physics - High Energy Physics - Experiment
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 2007, Volume 577, Issue 3, pp. 455 - 518
The COMPASS experiment makes use of the CERN SPS high-intensity muon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy...
RICH detector | Hadron structure | Polarised DIS | Front-end electronics | Drift chamber | Silicon microstrip detector | Micromegas detector | Straw tube detector | DAQ | MWPC | Calorimetry | Polarised target | Fixed-target experiment | GEM detector | Scintillating fibre detector | polarised DIS | polarised target | HIGH-ENERGY-PHYSICS | silicon microstrip detectors | straw tube detector | hadron structure | FAST-RICH | MONTE-CARLO GENERATOR | SILICON DETECTORS | scintillating fibre detector | PHYSICS, PARTICLES & FIELDS | SPIN STRUCTURE | calorimetry | fixed-target experiment | drift chamber | front-end electronics | MICROSTRIP DETECTOR | POLARIZED TARGET | INSTRUMENTS & INSTRUMENTATION | TRACKING DETECTORS | SPECTROSCOPY | MUON SYSTEM | NUCLEAR SCIENCE & TECHNOLOGY | ELECTRON MULTIPLIER GEM | micromegas detector | Research institutes | Physics - High Energy Physics - Experiment
RICH detector | Hadron structure | Polarised DIS | Front-end electronics | Drift chamber | Silicon microstrip detector | Micromegas detector | Straw tube detector | DAQ | MWPC | Calorimetry | Polarised target | Fixed-target experiment | GEM detector | Scintillating fibre detector | polarised DIS | polarised target | HIGH-ENERGY-PHYSICS | silicon microstrip detectors | straw tube detector | hadron structure | FAST-RICH | MONTE-CARLO GENERATOR | SILICON DETECTORS | scintillating fibre detector | PHYSICS, PARTICLES & FIELDS | SPIN STRUCTURE | calorimetry | fixed-target experiment | drift chamber | front-end electronics | MICROSTRIP DETECTOR | POLARIZED TARGET | INSTRUMENTS & INSTRUMENTATION | TRACKING DETECTORS | SPECTROSCOPY | MUON SYSTEM | NUCLEAR SCIENCE & TECHNOLOGY | ELECTRON MULTIPLIER GEM | micromegas detector | Research institutes | Physics - High Energy Physics - Experiment
Journal Article
Physics Letters B, ISSN 0370-2693, 03/2009, Volume 673, Issue 2, pp. 127 - 135
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/ muons on a transversely...
Transverse single-spin asymmetry | Sivers asymmetry | COMPASS | Deuteron | Identified hadrons | Collins asymmetry | Transversity | DISTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | QUARKS | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS | Water turbidity | Agriculture | College teachers | Universities and colleges | Questions and answers | Physics - High Energy Physics - Experiment
Transverse single-spin asymmetry | Sivers asymmetry | COMPASS | Deuteron | Identified hadrons | Collins asymmetry | Transversity | DISTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | QUARKS | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS | Water turbidity | Agriculture | College teachers | Universities and colleges | Questions and answers | Physics - High Energy Physics - Experiment
Journal Article
PHYSICS LETTERS B, ISSN 0370-2693, 03/2007, Volume 647, Issue 1, pp. 8 - 17
We present a measurement of the deuteron spin-dependent structure function g(1)(d) based on the data collected by the COMPASS experiment at CERN during the...
deep inelastic scattering | structure function | PRECISION-MEASUREMENT | POLARIZED HE-3 | PHYSICS, NUCLEAR | PROTON | MODEL | PHOTOPRODUCTION | DEEP-INELASTIC SCATTERING | REGION | NUCLEON | ASYMMETRY | ASTRONOMY & ASTROPHYSICS | spin | QCD analysis | PHYSICS, PARTICLES & FIELDS
deep inelastic scattering | structure function | PRECISION-MEASUREMENT | POLARIZED HE-3 | PHYSICS, NUCLEAR | PROTON | MODEL | PHOTOPRODUCTION | DEEP-INELASTIC SCATTERING | REGION | NUCLEON | ASYMMETRY | ASTRONOMY & ASTROPHYSICS | spin | QCD analysis | PHYSICS, PARTICLES & FIELDS
Journal Article
Physics Letters B, ISSN 0370-2693, 04/2005, Volume 612, Issue 3-4, pp. 154 - 164
We present a new measurement of the longitudinal spin asymmetry and the spin-dependent structure function of the deuteron in the range and . The data were...
Structure functions | Deep inelastic scattering | deep inelastic scattering | COMPASS | CERN | MICROMEGAS | PHYSICS, NUCLEAR | PROTON | MICROSTRIP DETECTOR | ASYMMETRIES | NUCLEON | POLARIZED TARGET | ASTRONOMY & ASTROPHYSICS | structure functions | SCATTERING | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment
Structure functions | Deep inelastic scattering | deep inelastic scattering | COMPASS | CERN | MICROMEGAS | PHYSICS, NUCLEAR | PROTON | MICROSTRIP DETECTOR | ASYMMETRIES | NUCLEON | POLARIZED TARGET | ASTRONOMY & ASTROPHYSICS | structure functions | SCATTERING | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment
Journal Article
6.
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Gluon polarization in the nucleon from quasi-real photoproduction of high-(PT) hadron pair
PHYSICS LETTERS B, ISSN 0370-2693, 02/2006, Volume 633, Issue 1, pp. 25 - 32
We present a determination of the gluon polarization Delta G/G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q(2) < 1...
deep inelastic scattering | gluon | SPIN STRUCTURE | PARTON DISTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | spin | PHYSICS, NUCLEAR | polarization | asymmetry | PROTON | nucleon | PHYSICS, PARTICLES & FIELDS
deep inelastic scattering | gluon | SPIN STRUCTURE | PARTON DISTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | spin | PHYSICS, NUCLEAR | polarization | asymmetry | PROTON | nucleon | PHYSICS, PARTICLES & FIELDS
Journal Article
Physical Review Letters, ISSN 0031-9007, 02/2015, Volume 114, Issue 6, p. 062002
The COMPASS collaboration at CERN has investigated pion Compton scattering, pi(-)gamma -> pi(-)gamma, at centerof-mass energy below 3.5 pion masses. The...
COMPTON-SCATTERING | PHYSICS, MULTIDISCIPLINARY | Exchange | Perturbation theory | CERN | Pions | Momentum transfer | Magnetic dipoles | Photons | Cross sections | Physics
COMPTON-SCATTERING | PHYSICS, MULTIDISCIPLINARY | Exchange | Perturbation theory | CERN | Pions | Momentum transfer | Magnetic dipoles | Photons | Cross sections | Physics
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 06/2010, Volume 104, Issue 24
The COMPASS experiment at the CERN SPS has studied the diffractive dissociation of negative pions into the pi(-)pi(-)pi(+) final state using a 190 GeV/c pion...
WAVE | REST | STATES | DECAY | PHYSICS, MULTIDISCIPLINARY | PARTICLE PHYSICS | VES | MESON PRODUCTION | HYBRID
WAVE | REST | STATES | DECAY | PHYSICS, MULTIDISCIPLINARY | PARTICLE PHYSICS | VES | MESON PRODUCTION | HYBRID
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 04/2015, Volume 779, pp. 69 - 115
The main characteristics of the COMPASS experimental setup for physics with hadron beams are described. This setup was designed to perform exclusive...
Fixed target experiment for hadron spectroscopy | Micro Pattern detectors and Drift chambers | Data acquisition and reconstruction | Front-end electronics | Calorimetry | RICH | Monte-Carlo simulation | SYSTEM | DESIGN | READOUT | FAST PHOTON DETECTION | GEM | RICH-1 | DETECTORS | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | PACKAGE | GAS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Nuclear Experiment | Physics
Fixed target experiment for hadron spectroscopy | Micro Pattern detectors and Drift chambers | Data acquisition and reconstruction | Front-end electronics | Calorimetry | RICH | Monte-Carlo simulation | SYSTEM | DESIGN | READOUT | FAST PHOTON DETECTION | GEM | RICH-1 | DETECTORS | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | PACKAGE | GAS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Nuclear Experiment | Physics
Journal Article
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The polarised valence quark distribution from semi-inclusive DIS - COMPASS Collaboration
PHYSICS LETTERS B, ISSN 0370-2693, 03/2008, Volume 660, Issue 5, pp. 458 - 465
The semi-inclusive difference asymmetry A(h+-h-) for hadrons of opposite charge has been measured by the COMPASS experiment at CERN. The data were collected in...
NUCLEON | JET FRAGMENTATION | LUND MONTE-CARLO | E+E-PHYSICS | ASTRONOMY & ASTROPHYSICS | SPIN ASYMMETRIES | PHYSICS, NUCLEAR | SEA | SCATTERING | PHYSICS, PARTICLES & FIELDS
NUCLEON | JET FRAGMENTATION | LUND MONTE-CARLO | E+E-PHYSICS | ASTRONOMY & ASTROPHYSICS | SPIN ASYMMETRIES | PHYSICS, NUCLEAR | SEA | SCATTERING | PHYSICS, PARTICLES & FIELDS
Journal Article
Physics Letters B, ISSN 0370-2693, 09/2009, Volume 680, Issue 3, pp. 217 - 224
We present a LO evaluation of helicity densities of valence, , non-strange sea, , and strange quarks, Δ (assumed to be equal to ). They have been obtained from...
COMPASS | Flavour separation analysis | Parton distribution function | Helicity density | Double-spin asymmetry | Polarised DIS and SIDIS reactions | Charged kaon asymmetry | PARTON DISTRIBUTIONS | PHYSICS, NUCLEAR | PROTON | VALENCE QUARK DISTRIBUTION | DIS | NUCLEON | POLARIZED TARGET | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Questions and answers | Analysis | Agriculture | Physics - High Energy Physics - Experiment
COMPASS | Flavour separation analysis | Parton distribution function | Helicity density | Double-spin asymmetry | Polarised DIS and SIDIS reactions | Charged kaon asymmetry | PARTON DISTRIBUTIONS | PHYSICS, NUCLEAR | PROTON | VALENCE QUARK DISTRIBUTION | DIS | NUCLEON | POLARIZED TARGET | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Questions and answers | Analysis | Agriculture | Physics - High Energy Physics - Experiment
Journal Article
Physics Letters B, ISSN 0370-2693, 06/2009, Volume 676, Issue 1-3, pp. 31 - 38
The gluon polarisation in the nucleon has been determined by detecting charm production via meson decay to charged and in polarised muon scattering off a...
Gluon polarisation | Asymmetry | Inelastic muon scattering | Spin | EVENTS | STRUCTURE-FUNCTION G(D) | DEUTERON | MUONS | HERMES | PHYSICS, NUCLEAR | PROTONS | PHOTOPRODUCTION | ASTRONOMY & ASTROPHYSICS | MONTE-CARLO GENERATOR | HADRONS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Agriculture | College teachers | Universities and colleges | Questions and answers | Production processes | Physics - High Energy Physics - Experiment
Gluon polarisation | Asymmetry | Inelastic muon scattering | Spin | EVENTS | STRUCTURE-FUNCTION G(D) | DEUTERON | MUONS | HERMES | PHYSICS, NUCLEAR | PROTONS | PHOTOPRODUCTION | ASTRONOMY & ASTROPHYSICS | MONTE-CARLO GENERATOR | HADRONS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Agriculture | College teachers | Universities and colleges | Questions and answers | Production processes | Physics - High Energy Physics - Experiment
Journal Article
EUROPEAN PHYSICAL JOURNAL C, ISSN 1434-6044, 06/2005, Volume 41, Issue 4, pp. 469 - 474
Narrow Xi(+/-)pi(+/-) and Xi(+) pi(+/-) resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was...
PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment
PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Experiment
Journal Article
PHYSICS LETTERS B, ISSN 0370-2693, 04/2007, Volume 647, Issue 5-6, pp. 330 - 340
We present a precise measurement of the deuteron longitudinal spin asymmetry A(1)(d) and of the deuteron spin-dependent structure function g(1)(d) at Q(2) < 1...
low Q | structure function | inelastic muon scattering | PHYSICS, NUCLEAR | low x | PROTON |
low Q | structure function | inelastic muon scattering | PHYSICS, NUCLEAR | low x | PROTON |