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Physical Review Letters, ISSN 0031-9007, 06/2014, Volume 112, Issue 24
Information on the size and shape of the neutron skin on Pb-208 is extracted from coherent pion photoproduction cross sections measured using the Crystal Ball... 
MESONS | NUCLEI | PHYSICS, MULTIDISCIPLINARY | TAGGED PHOTON SPECTROMETER | RADII | STARS | STATE | MICROTRON | EQUATION | SCATTERING
Journal Article
The European Physical Journal A, ISSN 1434-6001, 12/2018, Volume 54, Issue 12, pp. 1 - 32
The isobar model EtaMAID has been updated with new and high precision data for $\eta$ η and $\eta^{\prime}$ η photoproduction on protons and neutrons from... 
Nuclear Physics, Heavy Ions, Hadrons | Nuclear Fusion | Physics | Particle and Nuclear Physics | MESON PHOTOPRODUCTION | ELECTROPRODUCTION | SIGMA BEAM ASYMMETRY | RESONANCE REGION | NARROW STRUCTURE | PHYSICS, NUCLEAR | PROTON | C =-1 | 1ST MEASUREMENT | PHYSICS, PARTICLES & FIELDS
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 05/2017, Volume 118, Issue 21
The reactions gamma p -> eta p and gamma p -> eta'p are measured from their thresholds up to the center-of-mass energy W = 1.96 GeV with the tagged-photon... 
SPECTROMETER | PHYSICS, MULTIDISCIPLINARY | PHOTONS
Journal Article
Physical Review Letters, ISSN 0031-9007, 03/2015, Volume 114, Issue 11, p. 112501
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... 
SPECTROMETER | EFFECTIVE-FIELD THEORY | TARGETS | MAMI | PHYSICS, MULTIDISCIPLINARY | NUCLEONS | Perturbation theory | Asymmetry | Microtrons | Elastic scattering | Nucleons | Mathematical models | Photons | Dispersions | Physics - Nuclear Experiment
Journal Article
Physics Letters B, ISSN 0370-2693, 02/2019, Volume 789, Issue C, pp. 7 - 12
We report the first large-acceptance measurement of the beam–spin asymmetry for deuteron photodisintegration (γ→d→pn) in the photon energy range 420 Hexaquarks | Deuteron photodisintegration | Dibaryon | ASYMMETRY | PROTON POLARIZATION | ASTRONOMY & ASTROPHYSICS | DISINTEGRATION | PHYSICS, NUCLEAR | CROSS-SECTION | ENERGIES | PHYSICS, PARTICLES & FIELDS | NUCLEAR PHYSICS AND RADIATION PHYSICS
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 09/2014, Volume 113, Issue 10
We present new data for the transverse target asymmetry T and the very first data for the beam-target asymmetry F in the (gamma) over right arrow (p) over... 
PHYSICS, MULTIDISCIPLINARY | TAGGED PHOTON SPECTROMETER | RESONANCES
Journal Article
PHYSICAL REVIEW C, ISSN 2469-9985, 04/2014, Volume 89, Issue 4
The Dalitz decay eta -> e(+) e(-) gamma has been measured in the gamma p -> eta p reaction with the Crystal Ball and TAPS multiphoton spectrometers, together... 
MESONS | PHYSICS, NUCLEAR | TAGGED PHOTON SPECTROMETER | VECTOR
Journal Article
Physics of Particles and Nuclei, ISSN 1063-7796, 1/2017, Volume 48, Issue 1, pp. 117 - 123
We discuss main experimental works, where dipole polarizabilities of charged pions have been determined. Possible reasons for the differences between the... 
Physics | Particle and Nuclear Physics | COMPTON-SCATTERING | GAMMA-GAMMA | PAIR PRODUCTION | COLLISIONS | PHOTONS | PHYSICS, PARTICLES & FIELDS
Journal Article
PHYSICAL REVIEW C, ISSN 0556-2813, 08/2015, Volume 92, Issue 2
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... 
PHYSICS, NUCLEAR | MICROTRON | TAGGED PHOTON SPECTROMETER | TAPS
Journal Article
PHYSICS LETTERS B, ISSN 0370-2693, 07/2017, Volume 770, pp. 523 - 531
The double-polarization observable E and the helicity-dependent cross sections sigma(1/2) and sigma(3/2) have been measured for the first time for single pi(0)... 
MESON PHOTOPRODUCTION | NEUTRONS | PHOTON | ETA-PHOTOPRODUCTION | DEUTERON | PHYSICS, NUCLEAR | PROTONS | ASYMMETRY | BARYON RESONANCES | ASTRONOMY & ASTROPHYSICS | I-CIRCLE-DOT | PAIRS | PHYSICS, PARTICLES & FIELDS | Physics - Nuclear Experiment | Nuclear Experiment | Nuclear Theory | Physics
Journal Article
PHYSICAL REVIEW C, ISSN 2469-9985, 09/2017, Volume 96, Issue 3
The gamma N -> pi N-0 and gamma N -> eta N reactions at photon beam energies above 4 GeV are investigated within Regge models. The models include t-channel... 
SINGLE PHOTOPRODUCTION | HYDROGEN | NEUTRAL PI-MESONS | DIRECTION | PHYSICS, NUCLEAR | C =-1 | PROTONS | POLARIZED TARGET ASYMMETRY
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 08/2013, Volume 111, Issue 6
A precision measurement of the differential cross sections d sigma/d Omega and the linearly polarized photon asymmetry Sigma equivalent to (d... 
PERTURBATION-THEORY | NEUTRAL PION-PHOTOPRODUCTION | DESIGN | PHOTON | PHYSICS, MULTIDISCIPLINARY | SCATTERING LENGTHS | NEAR-THRESHOLD | MAINZ | MICROTRON | ISOSPIN BREAKING
Journal Article
PHYSICS LETTERS B, ISSN 0370-2693, 09/2015, Volume 748, pp. 244 - 250
Photoproduction of pi eta-pairs from nucleons has been investigated from threshold up to incident photon energies of approximate to 1.4GeV. The quasi-free... 
MESONS | RESONANCE | TAGGED PHOTON SPECTROMETER | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | PROTON | REACTION GAMMA-P | PHYSICS, PARTICLES & FIELDS
Journal Article
The European Physical Journal A, ISSN 1434-6001, 9/2016, Volume 52, Issue 9, pp. 1 - 17
Journal Article
Physical Review C - Nuclear Physics, ISSN 0556-2813, 02/2010, Volume 81, Issue 2
It is shown that a disagreement regarding predictions of pion polarizabilities remains between the dispersion sum rule and the chiral perturbatin theory. 
PHYSICS, NUCLEAR | CHARGED PION | DISPERSIONS | MESONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | POLARIZABILITY | EQUATIONS | ELECTRICAL PROPERTIES | PARTICLE PROPERTIES | ELEMENTARY PARTICLES | BOSONS | PIONS | FORECASTING | PERTURBATION THEORY | PHYSICAL PROPERTIES | SUM RULES | PSEUDOSCALAR MESONS | CHIRALITY | HADRONS | DISPERSION RELATIONS
Journal Article
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 01/2014, Volume 112, Issue 2
We report the first large-acceptance measurement of polarization transfer from a polarized photon beam to a recoiling nucleon. The measurement pioneers a novel... 
PHYSICS | PHYSICS, MULTIDISCIPLINARY | PHOTON SPECTROMETER | ANALYZING POWER
Journal Article
The European Physical Journal A, ISSN 1434-6001, 11/2015, Volume 51, Issue 11, pp. 1 - 18
Journal Article
Physical Review Letters, ISSN 0031-9007, 08/2009, Volume 103, Issue 5, p. 052002
Beam-helicity asymmetries have been measured at the MAMI accelerator in Mainz in the three isospin channels (gamma) over right arrowp -> pi(+)pi(0)n, (gamma)... 
NUCLEON | THRESHOLD | EXCITATION | RESONANCE REGION | PHYSICS, MULTIDISCIPLINARY | TAGGED PHOTON SPECTROMETER | DEUTERON | ENERGIES | POLARIZATION | DOUBLE PI PHOTOPRODUCTION | DEPENDENCE | Physics - Nuclear Experiment | PARTICLE DECAY | DECAY | ELECTRONS | BEAMS | BREMSSTRAHLUNG | PHOTONS | FERMIONS | PROTON BEAMS | PARTICLE PROPERTIES | BOSONS | PARTICLE BEAMS | LEPTONS | ASYMMETRY | HELICITY | SPECTROMETERS |