Measurement of an Emission Cross Section for the Collision Reaction <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">H</mi></mrow><mrow><mo>+</mo></mrow></msup></mrow><mo>+</mo><mrow><msub><mrow><mi mathvariant="normal">N</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow><mo>(</mo><mrow><msup><mrow><mi>X</mi></mrow><mrow><mn>1</mn></mrow></msup></mrow><mrow><msup><mrow><mrow><msub><mrow><mi>Σ</mi></mrow><mrow><mi>g</mi></mrow></msub></mrow></mrow><mrow><mo>+</mo></mrow></msup></mrow><mo>,</mo><mi>v</mi><mo>=</mo><mn>0</mn><mo>)</mo><mo>→</mo><mi mathvariant="normal">H</mi><mn></mn><mo>(</mo><mn>3</mn><mi>p</mi><mo>,</mo><mn>3</mn><mi>d</mi><mo>)</mo><mo>+</mo><mrow><msup><mrow><mrow><msub><mrow><mi mathvariant="normal">N</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></mrow><mrow><mo>+</mo></mrow></msup></mrow><mo>(</mo><mrow><msup><mrow><mi>B</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow><mrow><msup><mrow><mrow><msub><mrow><mi>Σ</mi></mrow><mrow><mi>u</mi></mrow></msub></mrow></mrow><mrow><mo>+</mo></mrow></msup></mrow><mo>,</mo><mi>v</mi><mo>=</mo><mn>0</mn><mo>)</mo></math></span> Using Photon-Coincidence Techniques

S. J. Young; J. S. Murray; J. R. Sheridan

doi:10.1103/PhysRev.178.40

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Measurement of an Emission Cross Section for the Collision Reaction $H^{+} + N_{2} (X^{1} {Σ_{g}}^{+}, v = 0) \to H (3 p, 3 d) + {N_{2}}^{+} (B^{2} {Σ_{u}}^{+}, v = 0)$ Using Photon-Coincidence Techniques

S. J. Young, J. S. Murray, and J. R. Sheridan^*

Physics Department and Geophysical Institute, University of Alaska, College, Alaska

^*Currently on leave at Stanford Research Institute, Menlo Park, California.

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Phys. Rev. 178, 40 – Published 5 February, 1969

DOI: https://doi.org/10.1103/PhysRev.178.40

Abstract

The measurement of the cross section for the emission of a Balmer- $α$ and a $N_{2}^{+}$ (0, 0) first-negative-band photon from a hydrogen atom and a $N_{2}^{+}$ molecule excited simultaneously in the same $H^{+}$ + $N_{2}$ electron-capture collision has been performed in the proton velocity range from 0.54 × $10^{8}$ cm/sec to 2.40 × $10^{8}$ cm/sec. The measurement has been accomplished using the technique of single photon-coincidence detection. To within the random error of the experiment, the cross section has only a single-peak structure with a maximum value of 1.2 × $10^{- 18}$ ${cm}^{2}$ at a velocity of 1.15 × $10^{8}$ cm/sec. The magnitude and shape of the measured cross section is found to be in good agreement with a cross section calculated by assuming that final-state excitations of the two product systems are uncorrelated.

References (19)

E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, London, 1963)
R. G. Bennett and F. W. Dalby, J. Chem. Phys. 31, 434 (1959)
Omitted endnote
R. H. Hughes, H. R. Dawson, B. M. Doughty, D. B. Kay, and C. A. Stigers, Phys. Rev. 146, 53 (1966)
J. S. Murray, S. J. Young, and J. R. Sheridan, Phys. Rev. Letters 16, 439 (1966)
S. J. Young, dissertation, University of Alaska, 1968 (unpublished)
J. S. Murray, dissertation, University of Alaska, 1968 (unpublished)
D. A. Dahlberg, D. K. Anderson, and I. E. Dayton, Phys. Rev. 164, 20 (1967) N. P. Carleton, 107, 110 (1957)
J. R. Sheridan and K. C. Clark, Phys. Rev. 140, A1033 (1965)
R. G. Suchannek, S. J. Young, and J. R. Sheridan, to be published
Omitted endnote
N. P. Carleton and T. R. Lawrence, Phys. Rev. 109, 1159 (1958) Yu. S. Gordeev and M. N. Panov, Zh. Tekhn. Fiz. 34, 857 (1964) [English transl.: Soviet Phys. — Tech. Phys. 9, 656 (1964)] F. J. DeHeer, J. Schutten, and H. Moustafa, Physica 32, 1766 (1966) W. F. Sheridan, O. Oldenberg, and N. P. Carleton, Abstract of Papers in Proceedings of the Second International Conference on the Physics of Electronic and Atomic Collisions (W. A. Benjamin, Inc., New York, 1961), p. 159 P. M. Stier and C. F. Barnett, Phys. Rev. 103, 896 (1956) H. R. Gilbody and J. B. Hasted, Proc. Roy. Soc. (London) A238, 334 (1957)
Q. C. Kessel and E. Everhart, Phys. Rev. 146, 16 (1966)
R. A. Mapleton, Phys. Rev. 122, 528 (1961)
H. S. W. Massey, Rept. Progr. Phys. 12, 248 (1949)
J. B. Hasted, J. Appl. Phys. 30, 25 (1959)
R. H. Hughes, H. R. Dawson, B. M. Doughty, D. B. Kay, and C. A. Stigers, Phys. Rev. 146, 53 (1966)
Sheridan et al. (Gordeev and Panov (DeHeer et al. (E. S. Solov'ev, V. A. Il'lin, and H. V. Fedorenko1961), 1964), and 1966) , Zh. Eksperim. i Teor. Fiz. 42, 659 (1962) [English transl.: Soviet Phys. — JETP 15, 459 (1962)]
E. Gerjuoy, Phys. Rev. 148, 54 (1966)

[c1] E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge University Press, London, 1963)

[c2] R. G. Bennett and F. W. Dalby, J. Chem. Phys. 31, 434 (1959)

[c3] Omitted endnote

[c4] R. H. Hughes, H. R. Dawson, B. M. Doughty, D. B. Kay, and C. A. Stigers, Phys. Rev. 146, 53 (1966)

[c5] J. S. Murray, S. J. Young, and J. R. Sheridan, Phys. Rev. Letters 16, 439 (1966)

[c6] S. J. Young, dissertation, University of Alaska, 1968 (unpublished)

[c7] J. S. Murray, dissertation, University of Alaska, 1968 (unpublished)

[c8] D. A. Dahlberg, D. K. Anderson, and I. E. Dayton, Phys. Rev. 164, 20 (1967) N. P. Carleton, 107, 110 (1957)

[c9] J. R. Sheridan and K. C. Clark, Phys. Rev. 140, A1033 (1965)

[c10] R. G. Suchannek, S. J. Young, and J. R. Sheridan, to be published

[c11] Omitted endnote

[c12] N. P. Carleton and T. R. Lawrence, Phys. Rev. 109, 1159 (1958) Yu. S. Gordeev and M. N. Panov, Zh. Tekhn. Fiz. 34, 857 (1964) [English transl.: Soviet Phys. — Tech. Phys. 9, 656 (1964)] F. J. DeHeer, J. Schutten, and H. Moustafa, Physica 32, 1766 (1966) W. F. Sheridan, O. Oldenberg, and N. P. Carleton, Abstract of Papers in Proceedings of the Second International Conference on the Physics of Electronic and Atomic Collisions (W. A. Benjamin, Inc., New York, 1961), p. 159 P. M. Stier and C. F. Barnett, Phys. Rev. 103, 896 (1956) H. R. Gilbody and J. B. Hasted, Proc. Roy. Soc. (London) A238, 334 (1957)

[c13] Q. C. Kessel and E. Everhart, Phys. Rev. 146, 16 (1966)

[c14] R. A. Mapleton, Phys. Rev. 122, 528 (1961)

[c15] H. S. W. Massey, Rept. Progr. Phys. 12, 248 (1949)

[c16] J. B. Hasted, J. Appl. Phys. 30, 25 (1959)

[c17] R. H. Hughes, H. R. Dawson, B. M. Doughty, D. B. Kay, and C. A. Stigers, Phys. Rev. 146, 53 (1966)

[c18] Sheridan et al. (Gordeev and Panov (DeHeer et al. (E. S. Solov'ev, V. A. Il'lin, and H. V. Fedorenko1961), 1964), and 1966) , Zh. Eksperim. i Teor. Fiz. 42, 659 (1962) [English transl.: Soviet Phys. — JETP 15, 459 (1962)]

[c19] E. Gerjuoy, Phys. Rev. 148, 54 (1966)

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Measurement of an Emission Cross Section for the Collision Reaction $H^{+} + N_{2} (X^{1} {Σ_{g}}^{+}, v = 0) \to H (3 p, 3 d) + {N_{2}}^{+} (B^{2} {Σ_{u}}^{+}, v = 0)$ Using Photon-Coincidence Techniques

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Measurement of an Emission Cross Section for the Collision Reaction H++N2(X1Σg+,v=0)→H(3p,3d)+N2+(B2Σu+,v=0) Using Photon-Coincidence Techniques

Abstract

References (19)

Measurement of an Emission Cross Section for the Collision Reaction $H^{+} + N_{2} (X^{1} {Σ_{g}}^{+}, v = 0) \to H (3 p, 3 d) + {N_{2}}^{+} (B^{2} {Σ_{u}}^{+}, v = 0)$ Using Photon-Coincidence Techniques