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Tests of models for quark and gluon fragmentation ine + e − annihilation at\(\sqrt s = 29 GeV\)

  • Published:
Zeitschrift für Physik C Particles and Fields

Abstract

Three currently used fragmentation models are tested by studying the distribution of particles between jet axes in the 3-jet events ofe + e − annihilation, using data collected by the Time Projection Chamber at PEP. These three models — the Lund String model, the Webber Cluster model and an Independent Fragmentation model (IF) — each implement different Lorentz-frame structures for the fragmentation process of quarks and gluons into hadrons. The Lund model provides a good description of the data, while the IF model does not. The Webber model, which is untuned, does not describe the absolute particle densities between jets, but correctly predicts the ratios of those densities, which are less sensitive to the tuning.

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Authors and Affiliations

  1. Lawrence Berkeley Laboratory, University of California, 94720, Berkeley, CA, USA

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

  2. University of California, 90024, Los Angeles, CA, USA

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

  3. University of California, 92521, Riverside, CA, USA

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

  4. Johns Hopkins University, 21218, Baltimore, MD, USA

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

  5. University of Massachusetts, 01003, Amherst, MA, USA

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

  6. University of Tokyo, 113, Tokyo, Japan

    H. Aihara, M. Alston-Garnjost, J. A. Bakken, A. Barbaro-Galtieri, A. V. Barnes, B. A. Barnett, H. -U. Bengtsson, B. J. Blumenfeld, A. D. Bross, C. D. Buchanan, O. Chamberlain, C-Y. Chien, A. R. Clark, A. Cordier, O. I. Dahl, C. T. Day, K. A. Derby, P. H. Eberhard, D. L. Fancher, H. Fujii, B. Gabioud, J. W. Gary, W. Gorn, N. J. Hadley, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, R. W. Kenney, L. T. Kerth, R. I. Koda, R. R. Kofler, K. K. Kwong, J. G. Layter, C. S. Lindsey, S. C. Loken, X. Q. Lu, G. R. Lynch, L. Madansky, R. J. Madaras, K. Maruyama, J. N. Marx, J. A. J. Matthews, S. O. Melnikoff, W. Moses, P. Nemethy, D. R. Nygren, P. J. Oddone, D. A. Park, A. Pevsner, M. Pripstein, P. R. Robrish, M. T. Ronan, R. R. Ross, F. R. Rouse, R. R. Sauerwein, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, M. L. Stevenson, D. H. Stork, H. K. Ticho, N. Toge, R. F. van Daalen Wetters, G. J. Van Dalen, R. van Tyen, E. M. Wang, M. R. Wayne, W. A. Wenzel, H. Yamamoto, M. Yamauchi & W-M. Zhang

Authors
  1. H. Aihara
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  2. M. Alston-Garnjost
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  3. J. A. Bakken
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  4. A. Barbaro-Galtieri
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  5. A. V. Barnes
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  6. B. A. Barnett
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  7. H. -U. Bengtsson
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  8. B. J. Blumenfeld
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  9. A. D. Bross
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  10. C. D. Buchanan
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  11. O. Chamberlain
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  12. C-Y. Chien
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  13. A. R. Clark
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  14. A. Cordier
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  15. O. I. Dahl
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  16. C. T. Day
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  17. K. A. Derby
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  18. P. H. Eberhard
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  19. D. L. Fancher
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  20. H. Fujii
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  21. B. Gabioud
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  22. J. W. Gary
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  23. W. Gorn
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  24. N. J. Hadley
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  25. J. M. Hauptman
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  26. W. Hofmann
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  27. J. E. Huth
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  28. J. Hylen
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  29. T. Kamae
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  30. H. S. Kaye
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  31. R. W. Kenney
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  32. L. T. Kerth
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  33. R. I. Koda
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  34. R. R. Kofler
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  35. K. K. Kwong
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  36. J. G. Layter
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  37. C. S. Lindsey
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  38. S. C. Loken
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  39. X. Q. Lu
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  40. G. R. Lynch
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  41. L. Madansky
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  42. R. J. Madaras
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  43. K. Maruyama
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  44. J. N. Marx
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  45. J. A. J. Matthews
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  46. S. O. Melnikoff
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  47. W. Moses
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  48. P. Nemethy
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  49. D. R. Nygren
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  50. P. J. Oddone
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  51. D. A. Park
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  52. A. Pevsner
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  53. M. Pripstein
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  54. P. R. Robrish
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  55. M. T. Ronan
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  56. R. R. Ross
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  57. F. R. Rouse
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  58. R. R. Sauerwein
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  59. G. Shapiro
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  60. M. D. Shapiro
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  61. B. C. Shen
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  62. W. E. Slater
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  63. M. L. Stevenson
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  64. D. H. Stork
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  65. H. K. Ticho
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  66. N. Toge
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  67. R. F. van Daalen Wetters
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  68. G. J. Van Dalen
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  69. R. van Tyen
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  70. E. M. Wang
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  71. M. R. Wayne
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  72. W. A. Wenzel
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  73. H. Yamamoto
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  74. M. Yamauchi
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  75. W-M. Zhang
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Aihara, H., Alston-Garnjost, M., Bakken, J.A. et al. Tests of models for quark and gluon fragmentation ine + e − annihilation at\(\sqrt s = 29 GeV\) . Z. Phys. C - Particles and Fields 28, 31–44 (1985). https://doi.org/10.1007/BF01550246

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  • DOI: https://doi.org/10.1007/BF01550246

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