433 citations · 1.4k across the 20 of their papers we have counts for
20 papers
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…
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…
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…
The influence of Fermi motion on the comparison of the polarization transfer to a proton in elastic and quasi-elastic scattering
S. Paul, T. Brecelj, H. Arenhövel +35
A comparison between polarization-transfer to a bound proton in quasi-free kinematics by the A knockout reaction and that in elastic scattering off a free proto…
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…
Measurement of the reaction close to threshold and at low
A1 Collaboration, I. Friščić, P. Achenbach +21
The cross section of the reaction has been measured for five kinematic settings at an invariant mass of MeV and for a four-momentum transfer of $Q^2 = 0.07…
Polarization-transfer measurement to a large-virtuality bound proton in the deuteron
A1 Collaboration, I. Yaron, D. Izraeli +28
Possible differences between free and bound protons may be observed in the ratio of polarization-transfer components, . We report the measurement of , in the…
Observation of Lambda H-4 hyperhydrogen by decay-pion spectroscopy in electron scattering
A. Esser, S. Nagao, F. Schulz +38
At the Mainz Microtron MAMI, the first high-resolution pion spectroscopy from decays of strange systems was performed by electron scattering off a Be-9 target in order to study the…
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…
The electric and magnetic form factors of the proton
A1 Collaboration, J. C. Bernauer, M. O. Distler +21
The paper describes a precise measurement of electron scattering off the proton at momentum transfers of \ GeV. The average point-to-point error…
Reply to Comment on "High-Precision Determination of the Electric and Magnetic Form Factors of the Proton"
J. C. Bernauer, P. Achenbach, C. Ayerbe Gayoso +22
In arXiv:1108.3058v1 [nucl-ex], Arrington criticizes the Coulomb corrections we applied in the analysis of high precision form factor data (see Phys.Rev.Lett.105:242001, 2010, arXi…
A Large-Scale FPGA-Based Trigger and Dead-Time Free DAQ System for the Kaos Spectrometer at MAMI
P. Achenbach, C. Ayerbe Gayoso, J. C. Bernauer +24
The Kaos spectrometer is maintained by the A1 collaboration at the Mainz Microtron MAMI with a focus on the study of (e,e'K^+) coincidence reactions. For its electron-arm two verti…
Particle tracking in kaon electroproduction with cathode-charge sampling in multi-wire proportional chambers
P. Achenbach, C. Ayerbe Gayoso, J. C. Bernauer +18
Wire chambers are routinely operated as tracking detectors in magnetic spectrometers at high-intensity continuous electron beams. Especially in experiments studying reactions with…
Exclusive electroproduction of K+ Lambda and K+ Sigma^0 final states at Q^2 = 0.030-0.055 (GeV/c)^2
P. Achenbach, C. Ayerbe Gayoso, J. C. Bernauer +32
Cross section measurements of the exclusive p(e,e'K+)Lambda,Sigma^0 electroproduction reactions have been performed at the Mainz Microtron MAMI in the A1 spectrometer facility usin…
Search for Light Gauge Bosons of the Dark Sector at the Mainz Microtron
H. Merkel, P. Achenbach, C. Ayerbe Gayoso +19
A new exclusion limit for the electromagnetic production of a light U(1) gauge boson γ' decaying to e^+e^- was determined by the A1 Collaboration at the Mainz Microtron. Such light…
High-precision determination of the electric and magnetic form factors of the proton
J. C. Bernauer, P. Achenbach, C. Ayerbe Gayoso +22
New precise results of a measurement of the elastic electron-proton scattering cross section performed at the Mainz Microtron MAMI are presented. About 1400 cross sections were mea…
In-beam tests of scintillating fibre detectors at MAMI and at GSI
P. Achenbach, C. Ayerbe Gayoso, J. C. Bernauer +27
The performance of scintillating fibre detectors was studied with electrons at the spectrometer facility of the Mainz microtron MAMI, as well as in a C-12 beam of 2 AGeV energy and…