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Abstract:

We show that the analysis of high-energy collisions provides an alternative, and sometimes advantageous, method of gathering information on a breakup system at threshold. We demonstrate the applicability of this approach by extracting the s-wave scattering length a0 for the collision of electrons by neutral atoms in metastable states from measurements of photo- and collisional detachment of electrons from negative ions and electron capture to continuum states of neutral projectiles in atomic ionization collisions. Finally, we discuss how to generalize these ideas to gather information about an N-body threshold behavior.

Registro:

Documento: Artículo
Título:Extracting information about few-body breakup thresholds from high-energy collisions
Autor:Barrachina, R.O.; Macri, P.A.
Filiación:Centre Atómico Bariloche, Instituto Balseiro, 8400 S. C. de Bariloche, Rio Negro, Argentina
Inst. de Astron./Fis. del Espacio, C.C. 67, 1428 Buenos Aires, Argentina
Comn. Nac. de Ener. Atómica, Universidad Nacional de Cuyo (UNC), Argentina
Consejo Nac. de Invest. Cie./Tec., Argentina
Año:2004
Volumen:34
Número:1-3
Página de inicio:175
Página de fin:180
DOI: http://dx.doi.org/10.1007/s00601-004-0039-1
Título revista:Few-Body Systems
Título revista abreviado:Few-Body Syst.
ISSN:01777963
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01777963_v34_n1-3_p175_Barrachina

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Citas:

---------- APA ----------
Barrachina, R.O. & Macri, P.A. (2004) . Extracting information about few-body breakup thresholds from high-energy collisions. Few-Body Systems, 34(1-3), 175-180.
http://dx.doi.org/10.1007/s00601-004-0039-1
---------- CHICAGO ----------
Barrachina, R.O., Macri, P.A. "Extracting information about few-body breakup thresholds from high-energy collisions" . Few-Body Systems 34, no. 1-3 (2004) : 175-180.
http://dx.doi.org/10.1007/s00601-004-0039-1
---------- MLA ----------
Barrachina, R.O., Macri, P.A. "Extracting information about few-body breakup thresholds from high-energy collisions" . Few-Body Systems, vol. 34, no. 1-3, 2004, pp. 175-180.
http://dx.doi.org/10.1007/s00601-004-0039-1
---------- VANCOUVER ----------
Barrachina, R.O., Macri, P.A. Extracting information about few-body breakup thresholds from high-energy collisions. Few-Body Syst. 2004;34(1-3):175-180.
http://dx.doi.org/10.1007/s00601-004-0039-1