On the history of dibaryons and their final observation
H Clement - Progress in Particle and Nuclear Physics, 2017 - Elsevier
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Exclusive Measurement of the Reaction Near Threshold
W Brodowski, R Bilger, H Calén, H Clement… - Physical Review Letters, 2002 - APS
The pp→ pp π+ π− reaction has been measured exclusively near threshold at CELSIUS.
The total cross sections are nearly an order of magnitude lower than expected from previous …
The total cross sections are nearly an order of magnitude lower than expected from previous …
[HTML][HTML] Examination of the nature of the ABC effect
M Bashkanov, H Clement, T Skorodko - Nuclear Physics A, 2017 - Elsevier
Recently it has been shown by exclusive and kinematically complete experiments that the
appearance of a narrow resonance structure in double-pionic fusion reactions is strictly …
appearance of a narrow resonance structure in double-pionic fusion reactions is strictly …
Pionic Double Charge Exchange on Doubly Closed Shell Nuclei
K Foehl, R Bilger, H Clement, J Gräter, R Meier… - Physical review …, 1997 - APS
Abstract The (π+, π−) reaction on the isoscalar, doubly magic nuclei 16 O and 40 Ca has
been measured in the energy range T π= 45–90 MeV. The forward angle cross sections of …
been measured in the energy range T π= 45–90 MeV. The forward angle cross sections of …
On the production of a narrow πNN resonance in low energy pionic DCX on He isotopes
H Clement, M Schepkin, GJ Wagner, O Zaboronsky - Physics Letters B, 1994 - Elsevier
We estimate the cross section for the production of a narrow isoscalar 0− πNN resonance
(d′) in the pionic double charge exchange (DCX) on 3He and 4He. The resonance …
(d′) in the pionic double charge exchange (DCX) on 3He and 4He. The resonance …
On the electromagnetic production of the proposed πNN resonance d′
R Bilger, H Clement, T Czarnecki, K Föhl… - Nuclear Physics A, 1996 - Elsevier
We examine the electromagnetic decay rates as well as the photo-and electroproduction
cross sections of the proposed πNN resonance d′, for the existence of which evidence has …
cross sections of the proposed πNN resonance d′, for the existence of which evidence has …
[HTML][HTML] Search for narrow NNπ resonances in exclusive pp→ ppπ+ π− measurements
W Brodowski, J Pätzold, R Bilger, H Calén, H Clement… - Physics Letters B, 2002 - Elsevier
Narrow structures in the range of a few MeV have been searched for in ppπ+ and ppπ−
invariant mass spectra (Mppπ+ and Mppπ−) obtained from exclusive measurements of the …
invariant mass spectra (Mppπ+ and Mppπ−) obtained from exclusive measurements of the …
Energy dependence of the total cross section
J Gräter, R Bilger, H Clement, R Meier, GJ Wagner… - Physical Review C, 1998 - APS
The total cross section of the 4 He (π+, π−) reaction was measured for π+ kinetic energies
ranging from 70 to 130 MeV using the CHAOS spectrometer at TRIUMF and a liquid 4 He …
ranging from 70 to 130 MeV using the CHAOS spectrometer at TRIUMF and a liquid 4 He …
Search for narrow NN-decoupled resonances in the πNN-system—an overview
H Clement, R Bilger, W Brodowski, H Cálen… - Progress in Particle and …, 1996 - Elsevier
The status of the search for NN-decoupled resonances in the πNN-system is reviewed. After
a short survey on the history of dibaryon searches reactions suitable for detecting such …
a short survey on the history of dibaryon searches reactions suitable for detecting such …
Pionic decay of a possible d′ dibaryon
K Itonaga, AJ Buchmann, G Wagner, A Faessler - Nuclear Physics A, 1996 - Elsevier
The pionic decay of a possible d′ dibaryon in the process d′→ N+ N+ π is studied in the
microscopic quark shell model and with a single-quark transition operator describing the …
microscopic quark shell model and with a single-quark transition operator describing the …