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  1. Article

    Open Access

    Measurement of the atmospheric muon charge ratio with the OPERA detector

    The OPERA detector at the Gran Sasso underground laboratory (LNGS) was used to measure the atmospheric muon charge ratio $R_{\mu}=N_{\mu^{+}}/...

    N. Agafonova, A. Anokhina, S. Aoki, A. Ariga, T. Ariga… in The European Physical Journal C (2010)

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    Article

    Measurement of through-going particle momentum by means of multiple scattering with the ICARUS T600 TPC

    The ICARUS collaboration has demonstrated, following the operation of a 600 ton (T600) detector at shallow depth, that the technique based on liquid argon time projection chambers is now mature. The study of r...

    A. Ankowski, M. Antonello, P. Aprili… in The European Physical Journal C - Particle… (2006)

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    Article

    The pion–nucleon scattering lengths from pionic hydrogen and deuterium

    This is the final publication of the ETH Zurich–Neuchâtel–PSI collaboration on the pionic hydrogen and deuterium precision X-ray experiments. We describe the recent hydrogen 3p–1s measurement, report on the dete...

    H.-Ch. Schröder, A. Badertscher… in The European Physical Journal C - Particle… (2001)

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    Article

    Search for the electron-positron decay of an axionlike particle from a 590 MeV proton beam dump

    A search was made for the decay of a light neutral particle into ane + e −-pair behind the dump of the PSI (formerly SIN) 590 MeV proton beam. The detector consisted of two counter triggered optical spark chamber...

    H. Faissner, W. Heinrigs, A. Preussger… in Zeitschrift für Physik C Particles and Fie… (1989)

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    Article

    Search for the two-photon decay of a light penetrating particle from a 590 MeV proton beam dump

    A search was performed for the two-photon decay of a light penetrating particle (e.g. an axion) produced in the dump of the 590 MeV proton beam of the Swiss Institute for Nuclear Research (SIN). The apparatus ...

    H. Faissner, W. Heinrigs, A. Preussger… in Zeitschrift für Physik C Particles and Fie… (1988)