Inclusive baryon production in e+e- annihilation

M. Piccolo; I. Peruzzi; D. Lüke; V. Lüth; B. Richter; G. S. Abrams; M. S. Alam; A. Barbaro-Galtieri; A. M. Boyarski; M. Breidenbach; W. Chinowsky; J. M. Dorfan; R. Ely; G. J. Feldman; J. M. Feller; A. Fong; B. Gobbi; G. Goldhaber; G. Hanson; J. A. Jaros; A. D. Johnson; J. A. Kadyk; B. P. Kwan; R. R. Larsen; P. LeComte; A. M. Litke; H. Lynch; R. J. Madaras; J. F. Martin; D. H. Miller; H. K. Nguyen; S. I. Parker; J. M. Paterson; M. L. Perl; T. P. Pun; P. A. Rapidis; M. T. Ronan; R. R. Ross; D. L. Scharre; R. F. Schwitters; W. Tanenbaum; T. G. Trippe; G. H. Trilling; V. Vuillemin; J. E. Wiss; D. E. Yount

doi:10.1103/PhysRevLett.39.1503

Inclusive baryon production in e+e- annihilation

M. Piccolo, I. Peruzzi, D. Lüke, V. Lüth, B. Richter, G. S. Abrams, M. S. Alam, A. Barbaro-Galtieri, A. M. Boyarski, M. Breidenbach, W. Chinowsky, J. M. Dorfan, R. Ely, G. J. Feldman, J. M. Feller, A. Fong, B. Gobbi, G. Goldhaber, G. Hanson, J. A. JarosA. D. Johnson, J. A. Kadyk, B. P. Kwan, R. R. Larsen, P. LeComte, A. M. Litke, H. Lynch, R. J. Madaras, J. F. Martin, D. H. Miller, H. K. Nguyen, S. I. Parker, J. M. Paterson, M. L. Perl, T. P. Pun, P. A. Rapidis, M. T. Ronan, R. R. Ross, D. L. Scharre, R. F. Schwitters, W. Tanenbaum, T. G. Trippe, G. H. Trilling, V. Vuillemin, J. E. Wiss, D. E. Yount

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Abstract

The inclusive production of antiprotons and Λ's in e+e- annihilation has been measured as a function of the c.m. energy in the range 3.7-7.6 GeV. We find that the baryon cross section has a behavior different from the total hadronic production. Our results show a rapid rise in the ratio σp̄σμμ between 4.4 and 5 GeV, consistent with what would be expected from charmed baryon production. Λ̄ production is 10-15% of p̄ production at all energies.

Original language	English (US)
Pages (from-to)	1503-1506
Number of pages	4
Journal	Physical review letters
Volume	39
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.39.1503
State	Published - 1977
Externally published	Yes

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Physics and Astronomy(all)

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Piccolo, M., Peruzzi, I., Lüke, D., Lüth, V., Richter, B., Abrams, G. S., Alam, M. S., Barbaro-Galtieri, A., Boyarski, A. M., Breidenbach, M., Chinowsky, W., Dorfan, J. M., Ely, R., Feldman, G. J., Feller, J. M., Fong, A., Gobbi, B., Goldhaber, G., Hanson, G., ... Yount, D. E. (1977). Inclusive baryon production in e+e- annihilation. Physical review letters, 39(24), 1503-1506. https://doi.org/10.1103/PhysRevLett.39.1503

Piccolo, M, Peruzzi, I, Lüke, D, Lüth, V, Richter, B, Abrams, GS, Alam, MS, Barbaro-Galtieri, A, Boyarski, AM, Breidenbach, M, Chinowsky, W, Dorfan, JM, Ely, R, Feldman, GJ, Feller, JM, Fong, A, Gobbi, B, Goldhaber, G, Hanson, G, Jaros, JA, Johnson, AD, Kadyk, JA, Kwan, BP, Larsen, RR, LeComte, P, Litke, AM, Lynch, H, Madaras, RJ, Martin, JF, Miller, DH, Nguyen, HK, Parker, SI, Paterson, JM, Perl, ML, Pun, TP, Rapidis, PA, Ronan, MT, Ross, RR, Scharre, DL, Schwitters, RF, Tanenbaum, W, Trippe, TG, Trilling, GH, Vuillemin, V, Wiss, JE & Yount, DE 1977, 'Inclusive baryon production in e+e- annihilation', Physical review letters, vol. 39, no. 24, pp. 1503-1506. https://doi.org/10.1103/PhysRevLett.39.1503

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title = "Inclusive baryon production in e+e- annihilation",

abstract = "The inclusive production of antiprotons and Λ's in e+e- annihilation has been measured as a function of the c.m. energy in the range 3.7-7.6 GeV. We find that the baryon cross section has a behavior different from the total hadronic production. Our results show a rapid rise in the ratio σ{\=p}σμμ between 4.4 and 5 GeV, consistent with what would be expected from charmed baryon production. {\=Λ} production is 10-15% of {\=p} production at all energies.",

author = "M. Piccolo and I. Peruzzi and D. L{\"u}ke and V. L{\"u}th and B. Richter and Abrams, {G. S.} and Alam, {M. S.} and A. Barbaro-Galtieri and Boyarski, {A. M.} and M. Breidenbach and W. Chinowsky and Dorfan, {J. M.} and R. Ely and Feldman, {G. J.} and Feller, {J. M.} and A. Fong and B. Gobbi and G. Goldhaber and G. Hanson and Jaros, {J. A.} and Johnson, {A. D.} and Kadyk, {J. A.} and Kwan, {B. P.} and Larsen, {R. R.} and P. LeComte and Litke, {A. M.} and H. Lynch and Madaras, {R. J.} and Martin, {J. F.} and Miller, {D. H.} and Nguyen, {H. K.} and Parker, {S. I.} and Paterson, {J. M.} and Perl, {M. L.} and Pun, {T. P.} and Rapidis, {P. A.} and Ronan, {M. T.} and Ross, {R. R.} and Scharre, {D. L.} and Schwitters, {R. F.} and W. Tanenbaum and Trippe, {T. G.} and Trilling, {G. H.} and V. Vuillemin and Wiss, {J. E.} and Yount, {D. E.}",

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doi = "10.1103/PhysRevLett.39.1503",

language = "English (US)",

volume = "39",

pages = "1503--1506",

journal = "Physical Review Letters",

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T1 - Inclusive baryon production in e+e- annihilation

AU - Piccolo, M.

AU - Peruzzi, I.

AU - Lüke, D.

AU - Lüth, V.

AU - Richter, B.

AU - Abrams, G. S.

AU - Alam, M. S.

AU - Barbaro-Galtieri, A.

AU - Boyarski, A. M.

AU - Breidenbach, M.

AU - Chinowsky, W.

AU - Dorfan, J. M.

AU - Ely, R.

AU - Feldman, G. J.

AU - Feller, J. M.

AU - Fong, A.

AU - Gobbi, B.

AU - Goldhaber, G.

AU - Hanson, G.

AU - Jaros, J. A.

AU - Johnson, A. D.

AU - Kadyk, J. A.

AU - Kwan, B. P.

AU - Larsen, R. R.

AU - LeComte, P.

AU - Litke, A. M.

AU - Lynch, H.

AU - Madaras, R. J.

AU - Martin, J. F.

AU - Miller, D. H.

AU - Nguyen, H. K.

AU - Parker, S. I.

AU - Paterson, J. M.

AU - Perl, M. L.

AU - Pun, T. P.

AU - Rapidis, P. A.

AU - Ronan, M. T.

AU - Ross, R. R.

AU - Scharre, D. L.

AU - Schwitters, R. F.

AU - Tanenbaum, W.

AU - Trippe, T. G.

AU - Trilling, G. H.

AU - Vuillemin, V.

AU - Wiss, J. E.

AU - Yount, D. E.

PY - 1977

Y1 - 1977

N2 - The inclusive production of antiprotons and Λ's in e+e- annihilation has been measured as a function of the c.m. energy in the range 3.7-7.6 GeV. We find that the baryon cross section has a behavior different from the total hadronic production. Our results show a rapid rise in the ratio σp̄σμμ between 4.4 and 5 GeV, consistent with what would be expected from charmed baryon production. Λ̄ production is 10-15% of p̄ production at all energies.

AB - The inclusive production of antiprotons and Λ's in e+e- annihilation has been measured as a function of the c.m. energy in the range 3.7-7.6 GeV. We find that the baryon cross section has a behavior different from the total hadronic production. Our results show a rapid rise in the ratio σp̄σμμ between 4.4 and 5 GeV, consistent with what would be expected from charmed baryon production. Λ̄ production is 10-15% of p̄ production at all energies.

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VL - 39

SP - 1503

EP - 1506

JO - Physical Review Letters

JF - Physical Review Letters

IS - 24

ER -

Inclusive baryon production in e+e- annihilation

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