Measurement of the total hadronic cross section in tagged reactions

H. Aihara, M. Alston-Garnjost, R. E. Avery, A. R. Barker, D. A. Bauer, A. Bay, R. Belcinski, H. H. Bingham, E. D. Bloom, C. D. Buchanan, D. O. Caldwell, H. Y. Chao, S. B. Chun, A. R. Clark, G. D. Cowan, D. A. Crane, O. I. Dahl, M. Daoudi, K. A. Derby, J. J. EastmanP. H. Eberhard, T. K. Edberg, A. M. Eisner, F. C. Erne, K. H. Fairfield, A. Fridman, G. Godfrey, J. M. Hauptman, C. Ho, W. Hofmann, T. Kamae, R. W. Kenney, S. Khacheryan, R. R. Kofler, D. J. Lambert, W. G J Langeveld, J. G. Layter, W. T. Lin, F. L. Linde, S. C. Loken, A. Lu, G. R. Lynch, J. E. Lys, R. J. Madaras, B. D. Magnuson, H. Marsiske, G. E. Masek, L. G. Mathis, S. J. Maxfield, R. R. McNeil, E. S. Miller, N. A. Nicol, D. R. Nygren, P. J. Oddone, H. Oh, Y. T. Oyang, H. P. Paar, A. P T Palounek, Sung Keun Park, D. E. Pellett, M. Pripstein, M. T. Ronan, R. R. Ross, F. R. Rouse, K. A. Schwitkis, J. C. Sens, G. Shapiro, B. C. Shen, J. R. Smith, J. S. Steinman, R. W. Stephens, M. L. Stevenson, D. H. Stork, M. G. Strauss, M. K. Sullivan, T. Takahashi, S. Toutounchi, G. J. Vandalen, R. Van Tyen, W. Vernon, W. Wagner, E. M. Wang, Y. X. Wang, W. A. Wenzel, Z. R. Wolf, H. Yamamoto, S. J. Yellin, G. P. Yost, G. Zapalac, C. Zeitlin

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

We present a measurement of the total cross section for hadrons, with one photon quasireal and the other a spacelike photon of mass squared -Q2. Results are presented as a function of Q2 and the center-of-mass energy W, with the Q2 range extending from 0.2 to 60 GeV2, and W in the range from 2 to 10 GeV. The data were taken with the TPC/Two-Gamma facility at the SLAC e+e- storage ring PEP, which was operated at a beam energy of 14.5 GeV. The cross section exhibits a gentle falloff with increasing W. Its Q2 dependence is shown to be well described by an incoherent sum of vector-meson and pointlike scattering over most of the observed W range. Agreement at high Q2 is improved if a minimum-pT cutoff (motivated by QCD) is imposed on the pointlike contribution.

Original languageEnglish
Pages (from-to)2667-2674
Number of pages8
JournalPhysical Review D
Volume41
Issue number9
DOIs
Publication statusPublished - 1990 Dec 1
Externally publishedYes

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cross sections
photons
vector mesons
hadrons
center of mass
cut-off
quantum chromodynamics
energy
scattering

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Aihara, H., Alston-Garnjost, M., Avery, R. E., Barker, A. R., Bauer, D. A., Bay, A., ... Zeitlin, C. (1990). Measurement of the total hadronic cross section in tagged reactions. Physical Review D, 41(9), 2667-2674. https://doi.org/10.1103/PhysRevD.41.2667

Measurement of the total hadronic cross section in tagged reactions. / Aihara, H.; Alston-Garnjost, M.; Avery, R. E.; Barker, A. R.; Bauer, D. A.; Bay, A.; Belcinski, R.; Bingham, H. H.; Bloom, E. D.; Buchanan, C. D.; Caldwell, D. O.; Chao, H. Y.; Chun, S. B.; Clark, A. R.; Cowan, G. D.; Crane, D. A.; Dahl, O. I.; Daoudi, M.; Derby, K. A.; Eastman, J. J.; Eberhard, P. H.; Edberg, T. K.; Eisner, A. M.; Erne, F. C.; Fairfield, K. H.; Fridman, A.; Godfrey, G.; Hauptman, J. M.; Ho, C.; Hofmann, W.; Kamae, T.; Kenney, R. W.; Khacheryan, S.; Kofler, R. R.; Lambert, D. J.; Langeveld, W. G J; Layter, J. G.; Lin, W. T.; Linde, F. L.; Loken, S. C.; Lu, A.; Lynch, G. R.; Lys, J. E.; Madaras, R. J.; Magnuson, B. D.; Marsiske, H.; Masek, G. E.; Mathis, L. G.; Maxfield, S. J.; McNeil, R. R.; Miller, E. S.; Nicol, N. A.; Nygren, D. R.; Oddone, P. J.; Oh, H.; Oyang, Y. T.; Paar, H. P.; Palounek, A. P T; Park, Sung Keun; Pellett, D. E.; Pripstein, M.; Ronan, M. T.; Ross, R. R.; Rouse, F. R.; Schwitkis, K. A.; Sens, J. C.; Shapiro, G.; Shen, B. C.; Smith, J. R.; Steinman, J. S.; Stephens, R. W.; Stevenson, M. L.; Stork, D. H.; Strauss, M. G.; Sullivan, M. K.; Takahashi, T.; Toutounchi, S.; Vandalen, G. J.; Van Tyen, R.; Vernon, W.; Wagner, W.; Wang, E. M.; Wang, Y. X.; Wenzel, W. A.; Wolf, Z. R.; Yamamoto, H.; Yellin, S. J.; Yost, G. P.; Zapalac, G.; Zeitlin, C.

In: Physical Review D, Vol. 41, No. 9, 01.12.1990, p. 2667-2674.

Research output: Contribution to journalArticle

Aihara, H, Alston-Garnjost, M, Avery, RE, Barker, AR, Bauer, DA, Bay, A, Belcinski, R, Bingham, HH, Bloom, ED, Buchanan, CD, Caldwell, DO, Chao, HY, Chun, SB, Clark, AR, Cowan, GD, Crane, DA, Dahl, OI, Daoudi, M, Derby, KA, Eastman, JJ, Eberhard, PH, Edberg, TK, Eisner, AM, Erne, FC, Fairfield, KH, Fridman, A, Godfrey, G, Hauptman, JM, Ho, C, Hofmann, W, Kamae, T, Kenney, RW, Khacheryan, S, Kofler, RR, Lambert, DJ, Langeveld, WGJ, Layter, JG, Lin, WT, Linde, FL, Loken, SC, Lu, A, Lynch, GR, Lys, JE, Madaras, RJ, Magnuson, BD, Marsiske, H, Masek, GE, Mathis, LG, Maxfield, SJ, McNeil, RR, Miller, ES, Nicol, NA, Nygren, DR, Oddone, PJ, Oh, H, Oyang, YT, Paar, HP, Palounek, APT, Park, SK, Pellett, DE, Pripstein, M, Ronan, MT, Ross, RR, Rouse, FR, Schwitkis, KA, Sens, JC, Shapiro, G, Shen, BC, Smith, JR, Steinman, JS, Stephens, RW, Stevenson, ML, Stork, DH, Strauss, MG, Sullivan, MK, Takahashi, T, Toutounchi, S, Vandalen, GJ, Van Tyen, R, Vernon, W, Wagner, W, Wang, EM, Wang, YX, Wenzel, WA, Wolf, ZR, Yamamoto, H, Yellin, SJ, Yost, GP, Zapalac, G & Zeitlin, C 1990, 'Measurement of the total hadronic cross section in tagged reactions', Physical Review D, vol. 41, no. 9, pp. 2667-2674. https://doi.org/10.1103/PhysRevD.41.2667
Aihara H, Alston-Garnjost M, Avery RE, Barker AR, Bauer DA, Bay A et al. Measurement of the total hadronic cross section in tagged reactions. Physical Review D. 1990 Dec 1;41(9):2667-2674. https://doi.org/10.1103/PhysRevD.41.2667
Aihara, H. ; Alston-Garnjost, M. ; Avery, R. E. ; Barker, A. R. ; Bauer, D. A. ; Bay, A. ; Belcinski, R. ; Bingham, H. H. ; Bloom, E. D. ; Buchanan, C. D. ; Caldwell, D. O. ; Chao, H. Y. ; Chun, S. B. ; Clark, A. R. ; Cowan, G. D. ; Crane, D. A. ; Dahl, O. I. ; Daoudi, M. ; Derby, K. A. ; Eastman, J. J. ; Eberhard, P. H. ; Edberg, T. K. ; Eisner, A. M. ; Erne, F. C. ; Fairfield, K. H. ; Fridman, A. ; Godfrey, G. ; Hauptman, J. M. ; Ho, C. ; Hofmann, W. ; Kamae, T. ; Kenney, R. W. ; Khacheryan, S. ; Kofler, R. R. ; Lambert, D. J. ; Langeveld, W. G J ; Layter, J. G. ; Lin, W. T. ; Linde, F. L. ; Loken, S. C. ; Lu, A. ; Lynch, G. R. ; Lys, J. E. ; Madaras, R. J. ; Magnuson, B. D. ; Marsiske, H. ; Masek, G. E. ; Mathis, L. G. ; Maxfield, S. J. ; McNeil, R. R. ; Miller, E. S. ; Nicol, N. A. ; Nygren, D. R. ; Oddone, P. J. ; Oh, H. ; Oyang, Y. T. ; Paar, H. P. ; Palounek, A. P T ; Park, Sung Keun ; Pellett, D. E. ; Pripstein, M. ; Ronan, M. T. ; Ross, R. R. ; Rouse, F. R. ; Schwitkis, K. A. ; Sens, J. C. ; Shapiro, G. ; Shen, B. C. ; Smith, J. R. ; Steinman, J. S. ; Stephens, R. W. ; Stevenson, M. L. ; Stork, D. H. ; Strauss, M. G. ; Sullivan, M. K. ; Takahashi, T. ; Toutounchi, S. ; Vandalen, G. J. ; Van Tyen, R. ; Vernon, W. ; Wagner, W. ; Wang, E. M. ; Wang, Y. X. ; Wenzel, W. A. ; Wolf, Z. R. ; Yamamoto, H. ; Yellin, S. J. ; Yost, G. P. ; Zapalac, G. ; Zeitlin, C. / Measurement of the total hadronic cross section in tagged reactions. In: Physical Review D. 1990 ; Vol. 41, No. 9. pp. 2667-2674.
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abstract = "We present a measurement of the total cross section for hadrons, with one photon quasireal and the other a spacelike photon of mass squared -Q2. Results are presented as a function of Q2 and the center-of-mass energy W, with the Q2 range extending from 0.2 to 60 GeV2, and W in the range from 2 to 10 GeV. The data were taken with the TPC/Two-Gamma facility at the SLAC e+e- storage ring PEP, which was operated at a beam energy of 14.5 GeV. The cross section exhibits a gentle falloff with increasing W. Its Q2 dependence is shown to be well described by an incoherent sum of vector-meson and pointlike scattering over most of the observed W range. Agreement at high Q2 is improved if a minimum-pT cutoff (motivated by QCD) is imposed on the pointlike contribution.",
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TY - JOUR

T1 - Measurement of the total hadronic cross section in tagged reactions

AU - Aihara, H.

AU - Alston-Garnjost, M.

AU - Avery, R. E.

AU - Barker, A. R.

AU - Bauer, D. A.

AU - Bay, A.

AU - Belcinski, R.

AU - Bingham, H. H.

AU - Bloom, E. D.

AU - Buchanan, C. D.

AU - Caldwell, D. O.

AU - Chao, H. Y.

AU - Chun, S. B.

AU - Clark, A. R.

AU - Cowan, G. D.

AU - Crane, D. A.

AU - Dahl, O. I.

AU - Daoudi, M.

AU - Derby, K. A.

AU - Eastman, J. J.

AU - Eberhard, P. H.

AU - Edberg, T. K.

AU - Eisner, A. M.

AU - Erne, F. C.

AU - Fairfield, K. H.

AU - Fridman, A.

AU - Godfrey, G.

AU - Hauptman, J. M.

AU - Ho, C.

AU - Hofmann, W.

AU - Kamae, T.

AU - Kenney, R. W.

AU - Khacheryan, S.

AU - Kofler, R. R.

AU - Lambert, D. J.

AU - Langeveld, W. G J

AU - Layter, J. G.

AU - Lin, W. T.

AU - Linde, F. L.

AU - Loken, S. C.

AU - Lu, A.

AU - Lynch, G. R.

AU - Lys, J. E.

AU - Madaras, R. J.

AU - Magnuson, B. D.

AU - Marsiske, H.

AU - Masek, G. E.

AU - Mathis, L. G.

AU - Maxfield, S. J.

AU - McNeil, R. R.

AU - Miller, E. S.

AU - Nicol, N. A.

AU - Nygren, D. R.

AU - Oddone, P. J.

AU - Oh, H.

AU - Oyang, Y. T.

AU - Paar, H. P.

AU - Palounek, A. P T

AU - Park, Sung Keun

AU - Pellett, D. E.

AU - Pripstein, M.

AU - Ronan, M. T.

AU - Ross, R. R.

AU - Rouse, F. R.

AU - Schwitkis, K. A.

AU - Sens, J. C.

AU - Shapiro, G.

AU - Shen, B. C.

AU - Smith, J. R.

AU - Steinman, J. S.

AU - Stephens, R. W.

AU - Stevenson, M. L.

AU - Stork, D. H.

AU - Strauss, M. G.

AU - Sullivan, M. K.

AU - Takahashi, T.

AU - Toutounchi, S.

AU - Vandalen, G. J.

AU - Van Tyen, R.

AU - Vernon, W.

AU - Wagner, W.

AU - Wang, E. M.

AU - Wang, Y. X.

AU - Wenzel, W. A.

AU - Wolf, Z. R.

AU - Yamamoto, H.

AU - Yellin, S. J.

AU - Yost, G. P.

AU - Zapalac, G.

AU - Zeitlin, C.

PY - 1990/12/1

Y1 - 1990/12/1

N2 - We present a measurement of the total cross section for hadrons, with one photon quasireal and the other a spacelike photon of mass squared -Q2. Results are presented as a function of Q2 and the center-of-mass energy W, with the Q2 range extending from 0.2 to 60 GeV2, and W in the range from 2 to 10 GeV. The data were taken with the TPC/Two-Gamma facility at the SLAC e+e- storage ring PEP, which was operated at a beam energy of 14.5 GeV. The cross section exhibits a gentle falloff with increasing W. Its Q2 dependence is shown to be well described by an incoherent sum of vector-meson and pointlike scattering over most of the observed W range. Agreement at high Q2 is improved if a minimum-pT cutoff (motivated by QCD) is imposed on the pointlike contribution.

AB - We present a measurement of the total cross section for hadrons, with one photon quasireal and the other a spacelike photon of mass squared -Q2. Results are presented as a function of Q2 and the center-of-mass energy W, with the Q2 range extending from 0.2 to 60 GeV2, and W in the range from 2 to 10 GeV. The data were taken with the TPC/Two-Gamma facility at the SLAC e+e- storage ring PEP, which was operated at a beam energy of 14.5 GeV. The cross section exhibits a gentle falloff with increasing W. Its Q2 dependence is shown to be well described by an incoherent sum of vector-meson and pointlike scattering over most of the observed W range. Agreement at high Q2 is improved if a minimum-pT cutoff (motivated by QCD) is imposed on the pointlike contribution.

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JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 0556-2821

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