55 citations · 460 across the 22 of their papers we have counts for
22 papers
New high-statistics measurement of the Dalitz decay at the Mainz Microtron
S. Prakhov, L. Heijkenskjöld, S. Abt +69
The Dalitz decay has been measured with the highest statistical accuracy obtained so far in the reaction with the A2 tagged-photon facility at the M…
Target and beam-target asymmetries for the reaction
S. Garni, V. L. Kashevarov, A. Fix +81
Background: Photoproduction of pion pairs allows to study sequential decays of nucleon resonances via excited intermediate states. Such decays are important e.g. for states which i…
Spin polarizabilities of the proton by measurement of Compton double-polarization observables
D. Paudyal, P. P. Martel, G. M. Huber +90
The Compton double-polarization observable has been measured for the first time in the resonance region using a circularly polarized photon beam incident on a lo…
Measurement of the beam-helicity asymmetry in photoproduction of pairs on carbon, aluminum, and lead
V. Sokhoyan, S. Prakhov, A. Fix +88
The beam-helicity asymmetry was measured, for the first time, in photoproduction of pairs on carbon, aluminum, and lead, with the A2 experimental setup at MAMI. The result…
First measurement of helicity-dependent cross sections in pi0-eta photoproduction from quasi-free nucleons
A. Käser, M. Dieterle, L. Witthauer +80
The helicity-dependent cross sections for the photoproduction of pairs have been measured for the first time. The experiment was performed at the tagged photon facility of t…
High-statistics measurement of the eta->3pi^0 decay at the Mainz Microtron
S. Prakhov, S. Abt, P. Achenbach +85
The largest, at the moment, statistics of 7x10^6 eta->3pi^0 decays, based on 6.2x10^7 eta mesons produced in the gamma p -> eta p reaction, has been accumulated by the A2 Collabora…
Measurement of the decay at MAMI
P. Adlarson, F. Afzal, C. S. Akondi +75
An experimental study of the decay has been conducted with the best up-to-date statistical accuracy, by measuring mesons produced in the re…
First measurement of the polarization observable and helicity-dependent cross sections in single photoproduction from quasi-free nucleons
M. Dieterle, L. Witthauer, F. Cividini +84
The double-polarization observable and the helicity-dependent cross sections and have been measured for the first time for single photoproduction fr…
Helicity-dependent cross sections and double-polarization observable E in eta photoproduction from quasi-free protons and neutrons
L. Witthauer, M. Dieterle, S. Abt +84
Precise helicity-dependent cross sections and the double-polarization observable were measured for photoproduction from quasi-free protons and neutrons bound in the deutero…
Insight into the narrow structure in {\boldmath{}}-photoproduction on the neutron from helicity dependent cross sections
L. Witthauer, M. Dieterle, S. Abt +83
The double polarization observable and the helicity dependent cross sections and were measured for photoproduction from quasi-free protons and neutrons.…
Study of and photoproduction at MAMI
V. L. Kashevarov, P. Ott, S. Prakhov +87
The reactions and have been measured from their thresholds up to the center-of-mass energy GeV with the tagged-photon facilities at the Mainz Microt…
Measurement of the pi^0 -> e^+e^-gamma Dalitz decay at the Mainz Microtron
P. Adlarson, F. Afzal, P. Aguar-Bartolomé +94
The Dalitz decay pi^0 -> e^+e^-gamma has been measured in the gamma p -> pi^0 p reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. The value obtained for the…
Determination of the scalar polarizabilities of the proton using beam asymmetry in Compton scattering
V. Sokhoyan, E. J. Downie, E. Mornacchi +73
The scalar dipole polarizabilities, and , are fundamental properties related to the internal dynamics of the nucleon. The currently accepted values of the proton p…
Measurement of the omega -> pi^0 e^+e^- and eta -> e^+e^-g Dalitz decays with the A2 setup at MAMI
P. Adlarson, F. Afzal, P. Aguar-Bartolomé +92
The Dalitz decays eta -> e^+e^-g and omega -> pi^0 e^+e^- have been measured in the g p -> eta p and g p -> omega p reactions, respectively, with the A2 tagged-photon facility at t…
Photon asymmetry measurements of for E=320650 MeV
S. Gardner, D. Howdle, M. H. Sikora +97
High statistics measurements of the photon asymmetry for the pp reaction have been made in the center of mass energy range W=1214-145…
Measurement of pi^0 photoproduction on the proton at MAMI C
P. Adlarson, F. Afzal, C. S. Akondi +88
Differential cross sections for the gamma p -> pi^0 p reaction have been measured with the A2 tagged-photon facilities at the Mainz Microtron, MAMI C, up to the center-of-mass ener…
First measurement of target and beam-target asymmetries in the reaction
J. R. M. Annand, H. J. Arends, R. Beck +64
The first data on target and beam-target asymmetries for the reaction at photon energies from 1050 up to 1450 MeV are presented. The measurements were performed using…
A new measurement of the neutron detection efficiency for the NaI Crystal Ball detector
M. Martemianov, V. Kulikov, B. T. Demissie +68
We report on a measurement of the neutron detection efficiency in NaI crystals in the Crystal Ball detector obtained from a study of single p0 photoproduction on deuterium using th…
Measurement of the transverse target and beam-target asymmetries in meson photoproduction at MAMI
C. S. Akondi, J. R. M. Annand, H. J. Arends +67
We present new data for the transverse target asymmetry T and the very first data for the beam-target asymmetry F in the reaction up to a center-of-mass energy…
Measurements of Double-Polarized Compton Scattering Asymmetries and Extraction of the Proton Spin Polarizabilities
P. P. Martel, R. Miskimen, P. Aguar-Bartolome +76
The spin polarizabilities of the nucleon describe how the spin of the nucleon responds to an incident polarized photon. The most model-independent way to measure the nucleon spin p…
Deuteron frozen spin polarized target for nd experiements at the VdG accelerator of Charles University
N. S. Borisov, N. A. Bazhanov, A. A. Belyaev +19
A frozen spin polarized deuteron target cooled by the 3He/4He dilution refrigerator is described. Fully deuterated 1,2-propanediol was used as a target material. Deuteron vector po…
Measurement of spin-dependent total cross-section difference in neutron-proton scattering at 16 MeV
J. Broz, J. Cerny, Z. Dolezal +15
A new measurement of for polarized neutrons transmitted through a polarized proton target at 16.2 MeV has been made. A polarized neutron beam was obtained from the $^{3}\rm{…