[PDF] Top 20 Hadron physics at the COMPASS experiment

... The Compass experiment is a multi-purpose fixed-target spectrometer located at CERN’s Prevessin- ...secondary hadron and tertiary muon beams by the Super Proton Synchrotron. Compass is a ... See full document

... final state observed by a DIS experiment. First, the interaction depends on the distribution of the partons (quarks in the QPM) inside the nucleon, the so-called parton distribution function (PDF). Second, the ... See full document

... The range of solutions resulting from the di ff erent assumptions for the shape of the Δ g(x) distribution clearly show that the inclusive data are unable to determine neither the shape, nor even the sign of Δ g. Further ... See full document

... QCD physics can be classified into two as “soft QCD” and “hard QCD” depending on the scale of the parton-parton ...the hadron colliders, which can be used to probe the theory in a large phase ... See full document

... The COMPASS experiment is a fixed target experiment located at the M2 beamline of the CERN SPS. The complete setup is described in Reference [1]. In 2011 a polarised three cell target has been used. ... See full document

... target experiment at the CERN SPS. Its goal is to investigate hadron structure and hadron spectroscopy by using either muon or hadron ...initial hadron programme is the search for ... See full document

... J-PARC Hadron Facility is designed as a multipurpose experimental facility for a wide range of particle and nuclear physics programs, aiming to provide the world highest intensity secondary ...first ... See full document

... Though there is still some lingering doubt whether the d ∗ (2380) is really a dibaryon resonance, it is a good working hypothesis that must be tested further. If it exists, is it a 6-quark state or is it a bound state of ... See full document

... | A(X, Y) | 2 N(1 + aY + bY 2 + cX + dX 2 + eXY + f Y 3 + gX 2 Y + hXY 2 + lX 3 + ...) (3) In 2008, the KLOE experiment measured for the first time the Dalitz Plot parameters up to the term f (KLOE08) [14]. These ... See full document

... flavour physics both with beauty and charmed ...to physics beyond the SM where the current experimental sensitivity can not reach the theoretical ... See full document

... E325 experiment observes a modification of φ mesons in nuclear medium on an invariant mass spectrum of e +e − pairs in 12 GeV p+ A interactions ...new experiment to achieve 100 times larger statistics is ... See full document

... wide-ranging physics program allowing to test fundamental symmetries of nature, search for processes beyond the Standard Model (SM), study rare meson decays and perform precise measurements in hadron ... See full document

... energy physics experi- ...the COMPASS experiment at CERN is designed to be able to readout data at the maximum rate of the experiment and runs in a mode without any ...more physics data ... See full document

... Preliminary results for charged hadrons, pion and kaon multiplicities from the COMPASS experiment were presented. They were compared to results of HERMES; observed differences were discussed and are subject ... See full document

... target experiment COMPASS (COmmon Muon and Proton Apparatus for Structure and Spectroscopy) is located in the Super Proton Synchrotron (SPS) facility, at ...The experiment started in 2002 and since ... See full document

... One important goal of the physics programme using hadron beams is the search for new states, like spin-exotic mesons and glue-balls. Such states are beyond the simple Constituent Quark Model (CQM), however, ... See full document

... Figure 5 (left) shows the observed local p -values. The smallest local p -value is at 10 . 46 GeV, corresponding to a statistical significance of 2 . 6 σ , which is reduced to 0 . 8 σ when taking into account the “look- ... See full document

... NA61/SHINE experiment at the CERN SPS [1] pursues a two-fold physics programme: (1) measurements of hadron spectra in hadron-nucleus collisions for neutrino and cosmic rays experiments; and ... See full document

... There are many states that have been observed so far in the light meson sector, whereas quite some of the observations still need confirmation. Comparing the experimental situation to the predictions based on the naive ... See full document

... spectrometer Compass is located at CERN’s northern area and is supplied with sec- ondary hadron or tertiary muon beams by the Super Proton ...wide physics program, which includes, ...as hadron ... See full document