224 citations · 452 across the 18 of their papers we have counts for
18 papers
Measurement of the cross sections at
M. Mihovilovič, L. Doria, P. Achenbach +22
We present the findings of a study based on a new inelastic electron-scattering experiment on the nucleus focusing on the kinematic region of $Q^2=0.8\,\mathrm{…
Nuclear density dependence of polarization transfer in quasi-elastic reactions
T. Kolar, W. Cosyn, C. Giusti +52
The ratio of the transverse and longitudinal component of polarization transfer to protons in the quasi-elastic reaction, $P^{\prime}_x/P^{\prime}…
A Highly Segmented Neutron Polarimeter for A1
R. Spreckels, M. Hoek, U. Müller +1
A new neutron polarimeter for measuring the neutron's electric form factor was designed and constructed to complement the A1 spectrometer setup at the Mainz Microtron (MAMI). The d…
Non-forward radiative corrections to electron-carbon scattering
M. Mihovilovič, A. B. Weber, P. Achenbach +37
Radiative corrections to elastic scattering represent an important part of the interpretation of electron-induced nuclear reactions at small energy transfers, where they make for a…
Measurement of the α-particle monopole transition form factor challenges theory: a low-energy puzzle for nuclear forces?
S. Kegel, P. Achenbach, S. Bacca +30
We perform a systematic study of the -particle excitation from its ground state to the resonance. The so-called monopole transition form factor is investigated v…
Measurements of the electron-helicity asymmetry in the quasi-elastic process
Tim Kolar, Sebouh J. Paul, Patrick Achenbach +43
We present measurements of the electron helicity asymmetry in quasi-elastic proton knockout from H and C nuclei by polarized electrons. This asymmetry depends on the f…
Operation and characterization of a windowless gas jet target in high-intensity electron beams
B. S. Schlimme, S. Aulenbacher, P. Brand +54
A cryogenic supersonic gas jet target was developed for the MAGIX experiment at the high-intensity electron accelerator MESA. It will be operated as an internal, windowless target…
PANDA Phase One
G. Barucca, F. Davì, G. Lancioni +421
The Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, provides unique possibilities for a new generation of hadron-, nuclear- and atomic physics experiments. T…
Measurements of the induced polarization in the quasi-elastic process in non-coplanar kinematics
Sebouh J. Paul, Tim Kolar, Tilen Brecelj +44
We report measurements of the induced polarization of protons knocked out from H and C via the reaction. We have studied the dependence of $\v…
Measurement of the Generalized Polarizabilities of the Proton at Intermediate
H. Fonvieille, J. Beričič, L. Correa +35
Background: Generalized polarizabilities (GPs) are important observables to describe the nucleon structure, and measurements of these observables are still scarce. Purpose: This pa…
Comparison of recoil polarization in the process for protons extracted from and shell
T. Kolar, S. Paul, T. Brecelj +29
We present first measurements of the double ratio of the polarization transfer components f…
Beam-Normal Single Spin Asymmetry in Elastic Electron Scattering off Si and Zr
A. Esser, M. Thiel, P. Achenbach +30
We report on a new measurement of the beam-normal single spin asymmetry in the elastic scattering of 570 MeV transversely polarized electrons off Si and $^{…
New Insight in the -Dependence of Proton Generalized Polarizabilities
J. Beričič, L. Correa, M. Benali +35
Virtual Compton scattering on the proton has been investigated at three yet unexplored values of the four-momentum transfer : 0.10, 0.20 and 0.45 GeV, at the Mainz Microtr…
The proton charge radius extracted from the Initial State Radiation experiment at MAMI
Miha Mihovilovič, Patrick Achenbach, Tobias Beranek +32
We report on a comprehensive reinterpretation of the existing cross-section data for elastic electron-proton scattering obtained by the initial-state radiation technique, resulting…
Quasi-elastic polarization-transfer measurements on the deuteron in anti-parallel kinematics
Sebouh J. Paul, David Izraeli, Tilen Brecelj +41
We present measurements of the polarization-transfer components in the H reaction, covering a previously unexplored kinematic region with large positive (ant…
Vertical Beam Polarization at MAMI
B. S. Schlimme, P. Achenbach, K. Aulenbacher +35
For the first time a vertically polarized electron beam has been used for physics experiments at MAMI in the energy range between 180 and 855 MeV. The beam-normal single-spin asymm…
First measurement of proton's charge form factor at very low with initial state radiation
M. Mihovilovič, A. B. Weber, P. Achenbach +36
We report on a new experimental method based on initial-state radiation (ISR) in e-p scattering, in which the radiative tail of the elastic e-p peak contains information on the pro…
Search for light massive gauge bosons as an explanation of the anomaly at MAMI
H. Merkel, P. Achenbach, C. Ayerbe Gayoso +33
A massive, but light abelian U(1) gauge boson is a well motivated possible signature of physics beyond the Standard Model of particle physics. In this paper, the search for the sig…