Zeitschrift für Physik A Atomic Nuclei

, Volume 323, Issue 1, pp 69–82 | Cite as

Measurement of the average polarization of12B in the polarized-muon capture by12C: Magnitude of the induced pseudoscalar form factor

  • Y. Kuno
  • J. Imazato
  • K. Nishiyama
  • K. Nagamine
  • T. Yamazaki
  • T. Minamisono


The average polarization of the nucleus12B (bound state) produced in the polarized-muon capture reaction12C(μ,v μ )12B was measured by the muon spin resonance method in a pulsed muon beam. The polarization of12B was maintained completely under a magnetic field of 3 kG in a Grafoil target. After the observed result was corrected for the contribution from the excited states of12B, Pav (ground state) was deduced to be 0.462±0.053. This result yieldsg P /g A =10.1 −2.6 +2.4 , which is almost consistent with the PCAC prediction.




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  1. 1.
    See, e.g., Mukhopadhyay, N.C.: Phys. Rep.30 C, 1 (1977)Google Scholar
  2. 2.
    Bardin, G., Duclos, J., Magnon, A., Martino, J., Richter, A., Zavattini, E., Bertin, A., Piccinini, M., Vitale, A.: Phys. Lett.104 B, 320 (1981)Google Scholar
  3. 3.
    Gell-Mann, M., Levy, M.: Nuovo Cimento16, 705 (1960)Google Scholar
  4. 3a.
    Goldberger, M.L., Treiman, S.B.: Phys. Rev.111, 354 (1958)Google Scholar
  5. 4.
    Ohta, K., Wakamatsu, M.: Phys. Lett.51 B, 325 (1974); Nucl. Phys. A234, 445 (1974)Google Scholar
  6. 4a.
    Ericson, M., Figureau, A., Thévenet, C.: Phys. Lett.45 B, 19 (1973)Google Scholar
  7. 4b.
    Ericson, M.: Prog. Part. Nucl. Phys.1, 67 (1978)Google Scholar
  8. 5.
    Godfrey, T.N.K.: Ph.D. thesis Princeton University 1954 (unpublished)Google Scholar
  9. 6.
    Jackson, J.D., Treiman, S.B., Wyld, H.W. Jr.: Phys. Rev.107, 327 (1957)Google Scholar
  10. 7.
    Love, W.A., Marder, S., Nadelhaft, I., Siegel, R.T., Taylor, A.E.: Phys. Rev. Lett.2, 107 (1959)Google Scholar
  11. 8.
    Devanathan, V., Parthasarathy, R., Subramanian, P.R.: Ann. Phys.73, 291 (1972)Google Scholar
  12. 8a.
    Devanathan, V., Subramanian, P.R.: Phys. Lett.53 B, 21 (1974)Google Scholar
  13. 9.
    Bernabeu, J.: Phys. Lett.55 B, 313 (1975)Google Scholar
  14. 10.
    Kobayashi, M., Ohtsuka, N., Ohtsubo, H., Morita, M.: Nucl. Phys. A312, 377 (1978)Google Scholar
  15. 10a.
    Ami, H., Kobayashi, M., Ohtsubo, H., Morita, M.: Prog. Theor. Phys.65, 632 (1981)Google Scholar
  16. 11.
    Possoz, A., Favart, D., Grenacs, L., Lehmann, J., Macq, P., Meda, D., Palffy, L., Julien, J., Samour, C.: Phys. Lett.50 B, 438 (1974)Google Scholar
  17. 11a.
    Possoz, A., Deschepper, Ph., Grenacs, L., Lebrun, P., Lehmann, J., Palffy, L., Gonçalves, A.M., Samour, C., Telegdi, V.L.: Phys. Lett.70 B, 265 (1977) Possoz, A.: Ph.D. thesis Univ. Catholique de Louvain 1978 (unpublished)Google Scholar
  18. 12.
    Truttmann, P., Brandie, H., Roesch, L. Ph., Telegdi, V.L., Zehnder, A., Grenacs, L.: Phys. Lett.83 B, 48 (1979); Errata Phys. Lett.103 B, 469 (1981)Google Scholar
  19. 12a.
    Roesch, L. Ph., Telegdi, V.L., Truttmann, P., Zehnder, A., Grenacs, L., Palffy, L.: Phys. Rev. Lett.46, 1507 (1981); Helv. Phys. Acta55, 74 (1982)Google Scholar
  20. 13.
    Kuno, Y., Imazato, J., Nishiyama, K., Nagamine, K., Yamazaki, T., Minamisono, T.: Phys. Lett.148 B, 270 (1984)Google Scholar
  21. 14.
    Kuno, Y. et al.: (to be published)Google Scholar
  22. 15.
    Nagamine, K.: Hyperfine Interact.8, 787 (1981); UT-MSL News Letters No. 1 (1981), No. 2 (1982), No. 3 (1983) and No. 4 (1984)Google Scholar
  23. 16.
    Kitaoka, K., Takigawa, M., Yasuoka, H., Itho, M., Takagi, S., Kuno, Y., Nishiyama, K., Hayano, R.S., Uemura, Y.J., Imazato, J., Nakayama, H., Nagamine, K., Yamazaki, T.: Hyperfine Interact.12, 51 (1982)Google Scholar
  24. 17.
    Shimokoshi, F. et al.: (to be published)Google Scholar
  25. 18.
    Pages, L., Bertel, E., Joffle, H., Sklaventis, L.: At. Data Table4, 1 (1972)Google Scholar
  26. 19.
    Ishida, K., Brewer, J.H., Matsuzaki, T., Kuno, Y., Imazato, J., Nagamine, K.: (to be published)Google Scholar
  27. 20.
    Morita, M., Nishimura, M., Ohtsubo, H., Yamane, J.: J. Phys. Soc. Jpn.44, Suppl. 470 (1978)Google Scholar
  28. 21.
    Mann, R.A., Rose, M.E.: Phys. Rev.121, 293 (1961)Google Scholar
  29. 22.
    Sachs, A.M., Sirlin, A.: Muon physics. Vol. 2, Wu, C.S., Hughes, V.W., (eds.), Vol. 2, p. 49. New York: Academic Press 1975Google Scholar
  30. 23.
    Evseev, V.S., Amoretty, S.J.: Muon physics. Wu, C.S., Hughes, V.W. (eds.), Vol. 3, p. 235. New York: Academic Press 1975Google Scholar
  31. 24.
    Budyashov, Yu.G., Zinov, V.G., Konin, A.D., Medved, S.V., Mukhin, A.I., Ozerov, E.B., Chatrchyan, A.M., Eramzhyan, R.A.: JETP Sov. Phys.31, 651 (1970)Google Scholar
  32. 25.
    Miller, G.H., Eckhause, M., Kane, F.R., Martin, P., Welsh, R.E.: Phys. Lett.41 B, 50 (1972)Google Scholar
  33. 26.
    Giffon, M., Gonalves, A., Guichon, P.A.M., Julien, J., Roussel, L., Samour, C.: Phys. Rev. C24, 241 (1981)Google Scholar
  34. 27.
    Roesch, L.Ph., Schlumpf, N., Taqqu, D., Telegdi, V.L., Truttmann, P., Zehnder, A.: Phys. Lett.107 B, 31 (1981)Google Scholar
  35. 28.
    Fukui, M., Koshigiri, K., Sato, T., Ohtsubo, H., Morita, M.: Prog. Theor. Phys.70, 827 (1983); Phys. Lett.132 B, 255 (1983)Google Scholar
  36. 29.
    For the most recent review of EPT, see Kim, C.W., Primakoff, H.: Meson in nuclei. Rho, M., Wilkinson, D.H. North Holland 1979Google Scholar
  37. 30.
    Kubodera, K., Kim, C.W.: Phys. Lett.43 B, 275 (1973)Google Scholar
  38. 30a.
    Holstein, B.: Phys. Rev. D13, 2499 (1976)Google Scholar
  39. 30b.
    Hwang, W-Y.P., Primakoff, H.: Phys. Rev. C16, 397 (1977)Google Scholar
  40. 31.
    Kim, C.W., Townsend, J.S.: Phys. Rev. D11, 656 (1975)Google Scholar
  41. 32.
    Wu, C.S., Lee, Y.K., Mo, L.W.: Phys. Rev. Lett.10, 253 (1963); ibid39, 72 (1977)Google Scholar
  42. 33.
    Lebrun, P., Deschepper, Ph., Grenacs, L., Lehmann, J., Leroy, C., Palffy, L., Possoz, A., Maio, A.: Phys. Rev. Lett.40, 302 (1978)Google Scholar
  43. 33a.
    Brändle, H., Grenacs, L., Lang, J., Roesch, L.Ph., Telegdi, V.L., Truttmann, P., Weiss, A., Zehnder, A.: Phys. Rev. Lett.40, 306 (1978)Google Scholar
  44. 33b.
    Brändle, H., Miklos, G., Roesch, L.Ph., Telegdi, V.L., Truttmann, P., Zehnder, A., Grenacs, L., Lebrun, P., Lehmann, J.: Phys. Rev. Lett.41, 299 (1978)Google Scholar
  45. 33c.
    Masuda, Y., Minamisono, T., Nojiri, Y., Sugimoto, K.: Phys. Rev. Lett.43, 1083 (1979); For a comprehensive analysis of the data related to the second-class currents, see Oka, M., Kubodera, K.: Phys. Lett.90 B, 45 (1980)Google Scholar
  46. 34.
    Hwang, W-Y.P.: Phys. Rev. C20, 814 (1979)Google Scholar
  47. 35.
    Morita, M., Nishimura, M., Shimizu, A., Ohtsubo, H., Kubodera, K.: Prog. Theor. Phys. Suppl.60, 1 (1976)Google Scholar
  48. 36.
    Nozawa, S., Kohyama, Y., Kubodera, K.: Prog. Theor. Phys.70, 892 (1983)Google Scholar
  49. 37.
    See, e.g. Morita, M.: Beta decay and Muon capture. New York: Benjamin Inc. 1973Google Scholar
  50. 38.
    Guichon, P.A.M., Samour, C.: Nucl. Phys. A382, 461 (1982)Google Scholar
  51. 39.
    Kubodera, K., Delorme, J., Rho, M.: Phys. Rev. Lett.40, 755 (1978)Google Scholar
  52. 40.
    Hauge, P.S., Maripuu, S.: Phys. Rev. A8, 1609 (1973)Google Scholar
  53. 41.
    Elliot, J.P., Jackson, A.D., Mavromatis, H.A., Sanderson, E.A., Singh, B.: Nucl. Phys. A121, 241 (1968)Google Scholar
  54. 42.
    Cohen, S., Kurath, D.: Nucl. Phys.73, 1 (1965)Google Scholar
  55. 43.
    Towner, I.S., Khanna, F.C.: Nucl. Phys. A372, 331 (1981)Google Scholar
  56. 44.
    Nozawa, S., Kohyama, Y., Kubodera, K.: Phys. Lett.140 B, 11 (1984)Google Scholar
  57. 45.
    Towner, I.S., Khanna, F.C.: Nucl. Phys. A399, 334 (1983)Google Scholar
  58. 46.
    Hyuga, H., Arima, A., Shimizu, K.: Nucl. Phys. A336, 363 (1980)Google Scholar

Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • Y. Kuno
    • 1
  • J. Imazato
    • 1
  • K. Nishiyama
    • 1
  • K. Nagamine
    • 1
  • T. Yamazaki
    • 1
  • T. Minamisono
    • 2
  1. 1.Meson Science Laboratory and Department of Physics, Faculty of ScienceUniversity of TokyoJapan
  2. 2.Department of PhysicsOsaka UniversityOsakaJapan

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