The design of a cascaded 800 MeV normal conducting C.W. race track microtron

Herminghaus, H.; Feder, A.; Kaiser, K.-H.; Manz, W.; Schmitt, H. von der

doi:10.1016/0029-554x(76)90145-2

Cited by 155 publications

(43 citation statements)

References 10 publications

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“…In Mainz the real photon beam was produced by bremsstrahlung of the 883 MeV electrons from MAMI-B [8,9] on a 100 µm thick diamond radiator. The absolute electron energy, E 0 , of the incident beam was precisely determined [14,15] in the third race-track microtron of MAMI-B with a total uncertainty of about σ 0 = 140 keV.…”

Section: Methodsmentioning

confidence: 99%

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Determination of the $ \eta$ mass with the Crystal Ball at MAMI-B

Nikolaev

Aguar-Bartolomé²,

Ahrens³

et al. 2014

Eur. Phys. J. A

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A new precise determination of the η meson mass is presented. It is based on a measurement of the threshold for the γp → pη reaction using the tagger focal-plane microscope detector at the MAMI-B facility in Mainz. The tagger microscope has a higher energy resolution than the standard tagging spectrometer and, hence, allowed an improvement in the accuracy compared to the previous η mass measurement at MAMI-B. The result m η = (547.851 ± 0.031 stat. ± 0.062 syst. ) MeV agrees very well with the precise values of the NA48, KLOE and CLEO collaborations and deviates by about 5σ from the smaller, but also very precise value obtained by the GEM collaboration at COSY.

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Section: Methodsmentioning

confidence: 99%

“…Since the previous η mass measurement at Mainz [3], the MAMI electron accelerator [8,9] was significantly improved to provide a more precisely known electron beam energy and much higher beam stability. In addition, on-line monitoring of the electron and photon beam positions in the experimental hall was introduced.…”

Section: Introductionmentioning

confidence: 99%

Determination of the $ \eta$ mass with the Crystal Ball at MAMI-B

Nikolaev

Aguar-Bartolomé²,

Ahrens³

et al. 2014

Eur. Phys. J. A

View full text Add to dashboard Cite

show abstract

“…It is based on a measurement of the threshold for the γp → pη reaction using the tagger focal-plane microscope detector at the MAMI-B facility in Mainz. In Mainz the real photon beam was produced by bremsstrahlung of the 883 MeV electrons from MAMI-B [10,11] on a 100 μm thick diamond radiator. The absolute electron energy, E 0 , of the incident beam was precisely determined [12,13] in the third race-track microtron of MAMI-B with a total uncertainty of about σ 0 = 140 keV.…”

Section: Determination Of the Dalitz Plot Parameter α And Precise Meamentioning

confidence: 99%

Study of QCD-dynamics inηandη′production and decays

Beck

Wiedner

2017

EPJ Web Conf.

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Abstract. One aim of this project lies in studying QCD dynamics using photoproduction of η and η mesons with the CBELSA/TAPS experiment at the accelerator facility ELSA. Hadronic decay modes of η and η are analyzed that allow the study of symmetry breaking effects in QCD. Furthermore, excited η-states produced with a photon beam are studied within the scope of this project. Of special interest is hereby the nature of the η(1405). The high data samples for η-and η -photoproduction off the proton allow in addition the determination of polarization observables.

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“…A measurement of the reaction p( γ, π 0 )p [39] was performed at the Mainz Microtron MAMI [40] using the Glasgow/Mainz tagged photon facility [1,2] and the photon spectrometer TAPS [4]. The MAMI accelerator delivered a continuous wave beam of 405 MeV electrons.…”

Section: Pion Polarizabilitymentioning

confidence: 99%

Experiments with photons at MAMI

Beck¹

2006

Eur. Phys. J. A

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Abstract. A very successful experimental program with real photons has been achieved in 20 years of operation at the Mainz Microtron (MAMI) facility. The different detector setups, like DAPHNE, TAPS and the Crystal Ball are centered around the tagged photon facility the so-called Glasgow Tagger. From the rich spectrum of results only a few highlights will be discussed here, the proton polarizabilities, the pion polarizabilities, pion photoproduction close to the pion threshold and in the ∆(1232)-resonance region.

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The design of a cascaded 800 MeV normal conducting C.W. race track microtron

Cited by 155 publications

References 10 publications

Determination of the $ \eta$ mass with the Crystal Ball at MAMI-B

Determination of the $ \eta$ mass with the Crystal Ball at MAMI-B

Study of QCD-dynamics inηandη′production and decays

Experiments with photons at MAMI

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