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Showing papers by "D. Axen published in 1985"

Journal Article•DOI•
First observation of K X-rays from pp atoms

[...]

Shama Ahmad, Claude Amsler1, R. Armenteros2, E.G. Auld3, D. Axen3, D. Bailey2, S. Barlag2, G. A. Beer4, J.C. Bizot, M. Caria1, M. Comyn5, W. Dahme6, B. Delcourt, M. Doser1, K. D. Duch7, K. Erdman3, F. Feld-Dahme6, U. Gastaldi2, M. Heel7, B. Howard3, R. Howard3, J. Jeanjean, H. Kalinowsky7, F. Kayser7, Eberhard Klempt7, R. Landua2, Glenn M. Marshall4, H. Nguyen, N. Prevot, L. P. Robertson4, C. Sabev2, U. Schaefer6, R. Schneider7, O. Schreiber7, U. Straumann7, P. Truoel1, B. L. White3, W. R. Wodrich6, M. Ziegler7 •
University of Zurich1, CERN2, University of British Columbia3, University of Victoria4, TRIUMF5, Ludwig Maximilian University of Munich6, University of Mainz7
18 Jul 1985-Physics Letters B
TL;DR: A model-dependent fit of the K X-ray spectrum gives a Kα energy of 8.9± 0.3 keV, corresponding to a strong interaction shift of (−0.5±0.3) keV.

39 citations

Journal Article•DOI•
Search for monochromatic pion emission in pp annihilation from atomic p states

[...]

Shama Ahmad, Claude Amsler1, R. Armenteros2, E. G. Auld2, D. Axen3, D. Bailey2, S. Barlag2, G. A. Beer4, J.C. Bizot, M. Caria1, M. Comyn5, W. Dahme6, B. Delcourt, M. Doser1, K. D. Duch7, K. Erdman3, F. Feld6, U. Gastaldi7, M. Heel7, B. Howard7, R. Howard3, J. Jeanjean, H. Kalinowsky7, F. Kayser7, Eberhard Klempt7, R. Landua2, Glenn M. Marshall4, H. Nguyen, N. Prevot, L. P. Robertson4, C. Sabev4, U. Schaefer6, R. Schneider7, O. Schreiber7, U. Straumann1, P. Truöl1, B. L. White3, W. R. Wodrich6, M. Ziegler7 •
University of Zurich1, CERN2, University of British Columbia3, University of Victoria4, TRIUMF5, Ludwig Maximilian University of Munich6, University of Mainz7
28 Feb 1985-Physics Letters B
TL;DR: In this paper, narrow states observable through the emission of monoenergetic charged pions have been searched for in p p annihilation at rest in a gaseous hydrogen target where annihilation from atomic angular momentum L = 1 states dominates.

17 citations

Journal Article•DOI•
Spin Spin Correlations and Spin Asymmetries for the Reaction $p p \to p n \pi^+$ at Intermediate-energies

[...]

Chris Waltham1, R. Shypit1, D. Axen1, F. Entezami1, M. Comyn2, D. Healey2, G.A. Ludgate2, G.D. Wait2, D.V. Bugg3, J.A. Edgington3, N.R. Stevenson3 •
University of British Columbia1, TRIUMF2, Queen Mary University of London3
18 Feb 1985-Nuclear Physics
TL;DR: In this article, the spin-spin correlation parameters A LL, A NN, A SS, A SL and spin asymmetries A NO and A ON have been measured for the reaction p p → pn π + with incident beam energies of 510, 465 and 420 MeV.

12 citations