Publications (39)
MesonNet 2013 International Workshop. Mini-proceedings
M. J. Amaryan, M. Bashkanov, M. Benayoun +54
The mini-proceedings of the MesonNet 2013 International Workshop held in Prague from June 17th to 19th, 2013, are presented. MesonNet is a research network within EU HadronPhysics3…
High resolution study of the Lambda p final state interaction in the reaction p + p -> K+ + (Lambda p)
A. Budzanowski, A. Chatterjee, H. Clement +26
The reaction pp -> K+ + (Lambda p) was measured at Tp=1.953 GeV and Theta = 0 deg with a high missing mass resolution in order to study the Lambda p final state interaction. The la…
Intermediate Mass Fragment Emission in S +V, Ag, and U Collisions at E~=~31.6~MeV~A
H. Machner, M. Nolte, M. Palarczyk +1
Intermediate mass fragment emission for reactions of Ag, and has been studied. Double differential cross sections were ana…
Search for Quasi Bound Mesons
H. Machner
The search for a quasi bound meson in atomic nuclei is reviewed. This tentative state is studied theoretically as well as experimentally. The theory starts from elastic n…
A precision determination of the mass of the meson
The GEM collaboration, M. Abdel-Bary, A. Budzanowski +31
Several processes of meson production in proton-deuteron collisions have been measured simultaneously using a calibrated magnetic spectrograph. Among these processes, the meso…
Meson Production in p+d Reactions
M. Betigeri, J. Bojowald, A. Budzanowski +28
The production of neutral and charged pions as well as eta mesons is studied in the Delta and N* resonance region, respectively. Heavy A=3 recoils were measured with the GEM detect…
Comparison of nonequilibrium processes in p+Ni and p+Au collisions at GeV energies
A. Budzanowski, M. Fidelus, D. Filges +17
The energy and angular dependence of double differential cross sections d2sigma/dOmega dE were measured for p, d, t, 3,4,6He, 6,7,8Li, 7,9,10Be, 10,11B, and C produced in collision…
P-wave dominance in the pd -> 3He pi+ pi- reaction near threshold measured with the MOMO experiment at COSY
F. Bellemann, A. Berg, J. Bisplinghoff +24
The cross section of the pd -> 3He pi+ pi - reaction has been measured at the MOMO facility in a kinematically complete experiment at a c. m. excess energy of Q = 70 MeV. The energ…
Physics at Celsius and Cosy
H. Machner
We review some selected experimental results achieved at the synchrotrons CELSIUS in Sweden and COSY in Germany. They concentrate on meson production with emphasis on the underlyin…
Upper limits for a narrow resonance in the reaction p + p -> K^+ + (Lambda p)
A. Budzanowski, A. Chatterjee, H. Clement +26
The reaction pp -> K^+ + (Lambda p) has been measured at T_p = 1.953 GeV and Î= 0 deg with a high missing mass resolution in order to study the Lambda p final state interaction. N…
Simultaneous Measurements of the Reactions
M. Betigeri, J. Bojowald, A. Budzanowski +28
A stack of annular detectors made of high purity germanium was used to measure simultaneously and differential cross sections at beam momenta…
Charge independence studied in reactions
H. Machner, J. Niskanen
We review to what extent charge independence breaking (\emph{CIB}) in isospin related reactions of the type can or could be seen in existing data. In doing this we pres…
Cross sections of the reaction close to threshold
The HIRES Collaboration, A. Budzanowski, A. Chatterjee +27
The paper is obsolete
Search for -bound Nuclei
H. Machner
The meson can be bound to atomic nuclei. Experimental search is discussed in the form of final state interaction for the reactions and $dd\to{^4\text{He…
Measurement of p + d -> 3He + eta in S(11) Resonance
M. Betigeri, J. Bojowald, A. Budzanowski +36
We have measured the reaction p + d -> 3He + eta at a proton beam energy of 980 MeV, which is 88.5 MeV above threshold using the new ``germanium wall'' detector system. A missing--…
Ï^0 Ï^0 Production in Proton-Proton Collisions at Tp=1.4 GeV
P. Adlarson, C. Adolph, W. Augustyniak +111
The reaction pp->pppi0pi0 has been investigated at a beam energy of 1.4 GeV using the WASA-at-COSY facility. The total cross section is found to be (324 +- 21_systematic +- 58_norm…
Precision measurements of the pp\to Ï^+pn and pp\to Ï^+d reactions: importance of long-range and tensor force effects
A. Budzanowski, A. Chatterjee, P. Hawranek +28
Inclusive measurements of pion production in proton--proton collisions in the forward direction were undertaken at 400 and 600 MeV at COSY using the Big Karl spectrograph. The high…
Study of the pd(dp) -> 3He pi pi reactions close to threshold
F. Bellemann, A. Berg, J. Bisplinghoff +19
New experimental data on the pd -> 3He pi+ pi- reaction obtained with the COSY-MOMO detector below the three-pion threshold are presented. The reaction was also studied in inverse…
Evidence of Ni break-up from total production cross sections in p+Ni collisions
A. Budzanowski, M. Fidelus, D. Filges +17
The total production cross sections of light charged particles (LCPs), intermediate mass fragments (IMFs) and heavy reaction products of p+Ni collisions available in the literature…
Cross Section and Tensor Analysing Power of the Reaction Near Threshold
The GEM Collaboration, A. Budzanowski, A. Chatterjee +29
The angular distributions of the unpolarised differential cross section and tensor analysing power of the reaction have been measured at an excess energy…
Recent Physics At COSY--A Review
H. Machner
The COSY accelerator in Jülich is presented together with its internal and external detectors. The physics program performed recently is discussed with emphasis on strangeness phy…
A large acceptance scintillator detector with wavelength shifting fibre read-out for search of eta-nucleus bound states
K. Kilian, S. Kliczewski, Da. Kirillov +24
A large acceptance scintillator detector with wavelength shifting optical fibre readout has been designed and built to detect the decay particles of -nucleus bound system (the…
Study of the Interaction Close to the and Thresholds
H. Machner, J. Haidenbauer, F. Hinterberger +4
The interaction close to the threshold is considered. Specifically, the pronounced structure seen in production reactions like and a…
Isotopic Production Cross Sections in Proton-Nucleus Collisions at 200 MeV
H. Machner, D. G. Aschman, K. Baruth-Ram +10
Intermediate mass fragments (IMF) from the interaction of Al, Co and Au with 200 MeV protons were measured in an angular range from 20 degree to 120 degree in…
Fission studies with 140 MeV -Particles
A. Buttkewitz, H. H. Duhm, F. Goldenbaum +2
Binary fission induced by 140 MeV -particles has been measured for Ag, La, Ho and Au targets. The measured quantities are the total kinetic…
Study of the and reactions close to threshold
F. Bellemann, A. Berg, J Bisplinghoff +19
Two--kaon production in proton--deuteron collisions has been studied at three energies close to threshold using a calibrated magnetic spectrograph to measure the final He and a…
Differential Cross Sections Measurement for the Reaction at 850 MeV/c
M. Betigeri, J. Bojowald, A. Budzanowski +28
The present data support a large anisotropy in accordance with phase shift predictions and in contrast to another recent experiment.
Meson Physics at Gem
H. Machner
Some experimental studies of production and interactions performed or presently under way by the GEM collaboration at COSY Jülich are reviewed.
Event Reconstruction for a DIRC
V. Kyryanchuk, H. Machner, R. Siudak +1
Monte Carlo simulations were made for a possible DIRC at the WASA detector at COSY. A statistical method for pattern recognition is presented and the possible angle resolution and…
Study of the LiBe reaction 11.3 MeV above threshold
A. Budzanowski, A. Chatterjee, P. Hawranek +24
The cross section for the reaction was measured at an excess energy of 11.28 MeV above threshold by detecting the recoiling Be nuclei. A dedica…
Non-equilibrium emission of complex fragments from p+Au collisions at 2.5 GeV proton beam energy
A. Budzanowski, D. Filges, F. Goldenbaum +21
Energy and angular dependence of double differential cross sections d/ddE was measured for reactions induced by 2.5 GeV protons on Au target with isotopic identification…
Sequential and simultaneous emission of fragments from p+Al collisions
M. Fidelus, D. Filges, F. Goldenbaum +17
The energy and angular dependencies of double differential cross sections d^2sigma/dOmegadE were measured for p,d,t,^{3,4,6}He,^{6,7,8}Li,{7,9,10}Be, and ^{10,11,12}B produced in c…
Correlations of projectile like fragments in heavy ion reactions at Fermi energy
Jayanti Rama Rao, H. Machner, G. Buhr +2
Correlations between pairs of projectile-like fragments, emitted by the system at the laboratory bombarding energy of 515 MeV, have been studied under two sti…
Measurement of the Vector and Tensor Polarisation of Proton and Deuteron Beams
The GEM Collaboration, M. Lesiak, M. Abdel-Bary +32
Measurement of the d + d -> 4He + eta reaction using vector and tensor polarised beam has been performed at COSY using Big Karl magnetic spectrograph. The beam polarisation necessa…
Variation of nonequilibrium processes in p+Ni system with beam energy
A. Budzanowski, M. Fidelus, D. Filges +17
The energy and angular dependence of double differential cross sections dsigma/dOmega dE were measured for p, d, t, 3,4He, 6,7Li, 7,9Be, and 10,11B produced in collisions of 0.175…
Physics at COSY
H. Machner
The COSY accelerator in Júlich is presented together with its internal and external detectors. The physics programme performed recently is discussed with emphasis on strangeness p…
Cross section of the reaction close to threshold
A. Budzanowski, A. Chatterjee, H. Clement +26
We have measured inclusive data on -meson production in collisions at COSY Jülich close to the hyperon production threshold and determined the hyperon-nucleon invariant…
Competition of coalescence and "fireball" processes in nonequilibrium emission of light charged particles from p+Au collisions
A. Budzanowski, M. Fidelus, D. Filges +17
The energy and angular dependence of double differential cross sections was measured for p,d,t,He,Li,Be, and B isotopes produced in collisions of 1.2 and 1.9 GeV protons with Au ta…
Strangeness Production in Hadron Reactions
H. Machner, F. Hinterberger, R. Siudak
The paper gives an overview of strangeness-production experiments at the Cooler Synchrotron COSY. Results on kaon-pair and meson production in , and collisions,…