NN and Pi-N partial wave radial potentials have been generated using the latest SM94-VPI(NN) and FA93-VPI(Pi-N) phase shifts. The potentials are used to determine the deuteron properties and to compute the 3H and 3He binding energies. The e_1 mixing angles of SM94-VPI and NY93-Nijmegen differ significantly and inversion potentials yield a P_d of 6.37% and 5.78%, respectively. Underbinding of 3H and 3He is enhanced by SM94, which signals more nonlocality and/or three-body potential effects than predicted from Nijmegen phase shifts and boson exchange models. The local pion-nucleon S_31, P_31 and P_33 channel potentials have been generated for guidance and to obtain a quantitative impression in r-space of what the Pi-N FA93-VPI phase shifts imply.

Few-body systems

10.48550/arxiv.nucl-th/9409022

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Investigation of the double diffraction reaction pp → (pπ + π - ) (pπ + π - ) at 24 GeV/c

V. Blobel H. Fesefeldt W. Geist U. Idschok R. Roedel

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About the consistency of OPEP in nucleon-nucleon potential models and data analyses phase shifts

Bulletin of the American Physical Society (1995)

J. F. Burrows M. Sander B. Schroeder H.V. von Geramb

The current understanding of the NN force in terms of boson exchange predicts a dominance of OPEP for the long range part beyond 3 fm. The NN data are well reproduced with the Bonn, Nijmegen and Paris potentials. Independent of these model potentials are phase shift analyses from the VPI-Arndt and Nijmegen-de Swart groups. Using Gel`fand -Levitan and Marchenko inversion and Darboux-Crum-Krein transformations we can reproduce all features of potential models and in particular their OPEP tail with very high precision and radii r<15 fm. This confirmation of the analytic OPEP tail proves the validity of the inversion algorithms. This is important since we find that neither the Nijmegen phase shift analysis nor the SM94 and/or VZ40 Arndt PSA data imply OPEP in a clear and decisive form. From our analysis we conclude that OPEP is sufficient but not necessary to explanin present data.

Dominance (genetics)

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CCDC 276867: Experimental Crystal Structure Determination

The Cambridge Structural Database (2005)

P. Sadler B. Schroeder S. Parsons D. Messenger

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/cc9936w

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CCDC 881354: Experimental Crystal Structure Determination

The Cambridge Structural Database (2012)

B. Schroeder Raja Shahid Ashraf Seddon Y. Thomas A.J.P. White Laure Biniek

10.5517/ccyl3sd

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COMPARISON OF DIFFERENT COOLING SYSTEMS FOR A 600 MWe NUCLEAR POWER PLANT WITH HIGH TEMPERATURE REACTOR AND HELIUM TURBINE.

S. Foerster B. Schroeder

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<title>Measurement Of Velocity And Shape Of Small Hypervelocity Projectiles In A Plasma Accelerator</title>

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (1983)

B. Schroeder E. Igenbergs H. Kuczera

Small projectiles are accelerated to velocities between 10 and 20 km/sec in the plasma-accelerator of the Lehrstuhl f iir Raumfahrttechnik, Technische Universitat MUnchen. A technique has been developed to measure the velocity and the shape in the plasma environment. The system consists of a light barrier generated by the multiple reflection of a laser beam between two mirrors. The light reflected by the projectiles when these cross the laser beams is detected by a photomultiplier. The time needed for the projectile to reach the position of a laser shadowgraph device and the trigger signal for the camera are provided by a computer. The development of this photographic system as well as experimental results are discussed.

Shadowgraph

Muzzle velocity

Hypervelocity

10.1117/12.967870

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Fission-spallation competition

B. Schroeder G. Andersson B. Forkman

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