Reference
V. K. Samaranayake: Trieste preprint IC/77/53 (1977).
G. Höhler, R. Koch andE. Pietarinen: Karlsruhe preprint TKP 77-11 (1977);G. Höhler, F. Kaiser, R. Koch andE. Pietarinen: Karlsruhe preprint TKP 78-22 (1978).
W. Langbein:Lett. Nuovo Cimento,22, 85 (1978); Kaiserslautern preprint (October 1978).
A. Donnachie, J. Hamilton andA. T. Lea:Phys. Rev. B,135, 515 (1964).
J. Baacke andF. Steiner:Fortschr. der Phys.,18, 67 (1970).
T. Sawada:Nuovo Cimento,37, 1126 (1965).
J. Engels:Nucl. Phys.,36 B, 73 (1972).
W. Langbein:Nucl. Phys.,94 B, 519 (1975).
E. Pietarinen:Nucl. Phys.,107 B, 21 (1976); Helsinki preprint HU-TFT-78-23 (the 1978 fixed-t version had some problems to include the data ofR. M. Brown, A. G. Clark, P. J. Duke, W. M. Evans, R. J. Gray, E. S. Groves, R. J. Ott, H. R. Renshall, T. P. Shah, A. J. Shave, J. J. Thresher andM. W. Tyrrell:Nucl. Phys.,117 B, 12 (1976).
R. M. Brown, A. G. Clark, P. J. Duke, W. M. Evans, R. J. Gray, E. S. Groves, R. J. Ott, H. R. Renshall, T. P. Shah, A. J. Shave, J. J. Thresher andM. W. Tyrrell:Nucl. Phys.,117 B, 12 (1976).
D. V. Bugg, A. A. Carter andJ. R. Carter:Phys. Lett.,44 B, 278 (1973);A. A. Carter, D. V. Bugg andJ. R. Carter:Lett. Nuovo Cimento,8, 639 (1973).
P. Lichard: CERN preprint TH 1953 (1974).
R. C. Brunet:Phys. Rev. D,16, 85 (1977).
M. K. Banerjee andJ. B. Cammarata: Maryland preprint TR No. 79-002 (July 1978).
D. C. Moir, R. J. Jacob andG. E. Hites:Nucl. Phys.,103 B, 477 (1976).
M. M. Nagels, J. J. de Swart, H. Nielsen, G. C. Oades, J. L. Petersen, B. Tromborg, G. Gustafson, A. C. Irving, C. Jariskog, W. Pfeil, H. Pilkuhn, F. Steiner andL. Tauscher:Nucl. Phys.,109 B, 1 (1976).
J. Hamilton:Phys. Lett.,20, 687 (1966).
W. S. Woolcock:Nucl. Phys.,75 B, 455 (1974).
R. E. Cutkosky, R. E. Hendrick andR. L. Kelly:Phys. Rev. Lett.,37, 645 (1976). Preliminary results.
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Langbein, W. Pion–nucleon scattering lengths from an evaluation of the four invariant amplitudes in terms of rational analytic series. Lett. Nuovo Cimento 24, 471–478 (1979). https://doi.org/10.1007/BF02728267
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DOI: https://doi.org/10.1007/BF02728267