Search Results - "Mikirtychiants, M"
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Toward polarized antiprotons: Machine development for spin-filtering experiments
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-02-2015)“…The paper describes the commissioning of the experimental equipment and the machine studies required for the first spin-filtering experiment with protons at a…”
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2
Polarization of a stored beam by spin-filtering
Published in Physics letters. B (15-11-2012)“…The PAX Collaboration has successfully performed a spin-filtering experiment with protons at the COSY-ring. The measurement allowed the determination of the…”
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3
Production of a beam of tensor-polarized deuterons using a carbon target
Published in Physical review letters (04-06-2010)“…An initially unpolarized beam of deuterons is found to acquire tensor polarization after traversing a foil of spin-zero target nuclei. The effect, called…”
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Evidence for a New Resonance from Polarized Neutron-Proton Scattering
Published in Physical review letters (23-05-2014)“…Exclusive and kinematically complete high-statistics measurements of quasifree polarized np scattering have been performed in the energy region of the narrow…”
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5
Isospin decomposition of the basic double-pionic fusion in the region of the ABC effect
Published in Physics letters. B (25-04-2013)“…Exclusive and kinematically complete high-statistics measurements of the basic double-pionic fusion reactions pn→dπ0π0, pn→dπ+π− and pp→dπ+π0 have been carried…”
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Search for a dark photon in the π0→e+e−γ decay
Published in Physics letters. B (07-10-2013)“…The presently world largest data sample for π0→γe+e− decays studies containing nearly 5×105 events was collected using the WASA detector at COSY. A search for…”
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Differential cross sections for neutron-proton scattering in the region of the d (2380) dibaryon resonance
Published in Physical review. C, Nuclear physics (10-07-2020)“…Differential cross sections have been extracted from exclusive and kinematically complete high-statistics measurements of quasifree polarized (n) over barp…”
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Exclusive measurement of the η→π+π−γ decay
Published in Physics letters. B (20-01-2012)“…An exclusive measurement of the decay η→π+π−γ has been performed at the WASA facility at COSY. The η mesons were produced in the fusion reaction pd→He3 X at a…”
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9
Charge symmetry breaking in dd→He4π0 with WASA-at-COSY
Published in Physics letters. B (12-12-2014)“…Charge symmetry breaking (CSB) observables are a suitable experimental tool to examine effects induced by quark masses on the nuclear level. Previous high…”
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10
Measurement of the np→npπ0π0 reaction in search for the recently observed d⁎(2380) resonance
Published in Physics letters. B (01-04-2015)“…Exclusive measurements of the quasi-free np→npπ0π0 reaction have been performed by means of dp collisions at Td=2.27 GeV using the WASA detector setup at COSY…”
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New experimental upper limit of the electron–proton spin-flip cross-section
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2014)“…In a previous publication, measurements of the depolarization of a stored proton beam by interaction with a co-propagating unpolarized electron beam at low…”
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12
Neutron-proton scattering in the context of the d (2380) resonance
Published in Physical review. C, Nuclear physics (15-09-2014)“…New data on quasifree polarized neutron-proton scattering in the region of the recently observed d* resonance structure are obtained by exclusive and…”
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Measurement of the np -> np pi(0)pi(0) reaction in search for the recently observed d (2380) resonance
Published in Physics letters. B (2015)“…Exclusive measurements of the quasi-free np --> np pi(0)pi(0) reaction have been performed by means of dp collisions at T-d = 2.27 GeV using the WASA…”
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14
Charge symmetry breaking in d d → He 4 π 0 with WASA-at-COSY
Published in Physics letters. B (01-12-2014)Get full text
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15
Polarizing a stored proton beam by spin flip?
Published in Physics letters. B (27-04-2009)“…We discuss polarizing a proton beam in a storage ring, either by selective removal or by spin flip of the stored ions. Prompted by recent, conflicting…”
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Charge symmetry breaking in dd -> He-4 pi(0) with WASA-at-COSY
Published in Physics letters. B (2014)“…Charge symmetry breaking (CSB) observables are a suitable experimental tool to examine effects induced by quark masses on the nuclear level. Previous high…”
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17
Search for a dark photon in the π 0 → e + e − γ decay
Published in Physics letters. B (01-10-2013)Get full text
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18
Cross section ratio and angular distributions of the reaction p + d → 3He + η at 48.8 MeV and 59.8 MeV excess energy
Published in The European physical journal. A, Hadrons and nuclei (01-06-2014)“…We present new data for angular distributions and on the cross section ratio of the p+d → 3 He + η reaction at excess energies of Q = 48.8 MeV and Q = 59.8…”
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Cross section ratio and angular distributions of the reaction p + d -> He-3 + eta at 48.8MeV and 59.8MeV excess energy
Published in The European physical journal. A, Hadrons and nuclei (2014)“…We present new data for angular distributions and on the cross section ratio of the p+d -> He-3+eta reaction at excess energies of Q - 48.8MeV and Q - 59.8…”
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Exclusive measurement of the eta arrow right pi super(+) pi super(-) gamma decay
Published in Physics letters. B (20-01-2012)“…An exclusive measurement of the decay eta arrow right pi super(+) pi super(-) gamma has been performed at the WASA facility at COSY. The eta mesons were…”
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