Measurement of the D*± cross section in two photon collisions at LEP

D. Buskulic; D. Casper; I. De Bonis; D. Decamp; P. Ghez; C. Goy; J. P. Lees; M. N. Minard; P. Odier; B. Pietrzyk; F. Ariztizabal; M. Chmeissani; J. M. Crespo; I. Efthymiopoulos; E. Fernandez; M. Fernandez-Bosman; V. Gaitan; Ll Garrido; M. Martinez; S. Orteu; A. Pacheco; C. Padilla; F. Palla; A. Pascual; J. A. Perlas; F. Sanchez; F. Teubert; D. Creanza; M. de Palma; A. Farilla; G. Iaselli; G. Maggi; N. Marinelli; S. Natali; S. Nuzzo; A. Ranieri; G. Raso; F. Romano; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; G. Bonvicini; M. Cattaneo; P. Comas; P. Coyle; H. Drevermann; A. Engelhardt; R. W. Forty; M. Frank; M. Girone; R. Hagelberg; J. Harvey; R. Jacobsen; P. Janot; B. Jost; J. Knobloch; I. Lehraus; M. Maggi; C. Markou; E. B. Martin; P. Mato; H. Meinhard; A. Minten; R. Miquel; T. Oest; P. Palazzi; J. R. Pater; P. Perrodo; J. F. Pusztaszeri; F. Ranjard; P. Rensing; L. Rolandi; D. Schlatter; M. Schmelling; O. Schneider; W. Tejessy; I. R. Tomalin; A. Venturi; H. Wachsmuth; W. Wiedenmann; T. Wildish; W. Witzeling; J. Wotschack; Z. Ajaltouni; M. Bardadin-Otwinowska; A. Barres; C. Boyer; A. Falvard

doi:10.1016/0370-2693(95)00758-D

Measurement of the D^*± cross section in two photon collisions at LEP

D. Buskulic, D. Casper, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J. P. Lees, M. N. Minard, P. Odier, B. Pietrzyk, F. Ariztizabal, M. Chmeissani, J. M. Crespo, I. Efthymiopoulos, E. Fernandez, M. Fernandez-Bosman, V. Gaitan, Ll Garrido, M. Martinez, S. OrteuA. Pacheco, C. Padilla, F. Palla, A. Pascual, J. A. Perlas, F. Sanchez, F. Teubert, D. Creanza, M. de Palma, A. Farilla, G. Iaselli, G. Maggi, N. Marinelli, S. Natali, S. Nuzzo, A. Ranieri, G. Raso, F. Romano, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, G. Bonvicini, M. Cattaneo, P. Comas, P. Coyle, H. Drevermann, A. Engelhardt, R. W. Forty, M. Frank, M. Girone, R. Hagelberg, J. Harvey, R. Jacobsen, P. Janot, B. Jost, J. Knobloch, I. Lehraus, M. Maggi, C. Markou, E. B. Martin, P. Mato, H. Meinhard, A. Minten, R. Miquel, T. Oest, P. Palazzi, J. R. Pater, P. Perrodo, J. F. Pusztaszeri, F. Ranjard, P. Rensing, L. Rolandi, D. Schlatter, M. Schmelling, O. Schneider, W. Tejessy, I. R. Tomalin, A. Venturi, H. Wachsmuth, W. Wiedenmann, T. Wildish, W. Witzeling, J. Wotschack, Z. Ajaltouni, M. Bardadin-Otwinowska, A. Barres, C. Boyer, A. Falvard

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Abstract

The inclusive production of D*± mesons in photon-photon collisions has been measured by the Aleph experiment at LEP with a beam energy of 45 GeV. The D*+ are detected in their decay to D0π+ with the D0 observed in three separate decay modes: (1) K-π+, (2) K-π+π0 and (3) K-π+π-π+, and analagously for the D*- modes. A total of 33 events was observed from an integrated luminosity of 73 pb-1 which corresponds to a cross section for Σ(e+e- → e+e-D*±X) of 155 ± 33 ± 21 pb. This result is compatible with both the direct production γγ → cc in the Born approximation and with a more complete calculation which includes both radiative QCD corrections and contributions in which one of the photons is first resolved into its quark and gluon constituents. The shapes of distributions for events containing a D*+ are found to be better described by the latter. © 1995.

Original language	English
Pages (from-to)	595-605
Journal	Physics Letters B
Volume	355
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(95)00758-D
Publication status	Published - 3 Aug 1995

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10.1016/0370-2693(95)00758-D

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Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Minard, M. N., Odier, P., Pietrzyk, B., Ariztizabal, F., Chmeissani, M., Crespo, J. M., Efthymiopoulos, I., Fernandez, E., Fernandez-Bosman, M., Gaitan, V., Garrido, L., Martinez, M., ... Falvard, A. (1995). Measurement of the D^*± cross section in two photon collisions at LEP. Physics Letters B, 355(3-4), 595-605. https://doi.org/10.1016/0370-2693(95)00758-D

@article{286b27d2a95148cfb2b9a54e6b2d8a38,

title = "Measurement of the D*± cross section in two photon collisions at LEP",

abstract = "The inclusive production of D*± mesons in photon-photon collisions has been measured by the Aleph experiment at LEP with a beam energy of 45 GeV. The D*+ are detected in their decay to D0π+ with the D0 observed in three separate decay modes: (1) K-π+, (2) K-π+π0 and (3) K-π+π-π+, and analagously for the D*- modes. A total of 33 events was observed from an integrated luminosity of 73 pb-1 which corresponds to a cross section for Σ(e+e- → e+e-D*±X) of 155 ± 33 ± 21 pb. This result is compatible with both the direct production γγ → cc in the Born approximation and with a more complete calculation which includes both radiative QCD corrections and contributions in which one of the photons is first resolved into its quark and gluon constituents. The shapes of distributions for events containing a D*+ are found to be better described by the latter. {\textcopyright} 1995.",

author = "D. Buskulic and D. Casper and {De Bonis}, I. and D. Decamp and P. Ghez and C. Goy and Lees, {J. P.} and Minard, {M. N.} and P. Odier and B. Pietrzyk and F. Ariztizabal and M. Chmeissani and Crespo, {J. M.} and I. Efthymiopoulos and E. Fernandez and M. Fernandez-Bosman and V. Gaitan and Ll Garrido and M. Martinez and S. Orteu and A. Pacheco and C. Padilla and F. Palla and A. Pascual and Perlas, {J. A.} and F. Sanchez and F. Teubert and D. Creanza and {de Palma}, M. and A. Farilla and G. Iaselli and G. Maggi and N. Marinelli and S. Natali and S. Nuzzo and A. Ranieri and G. Raso and F. Romano and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and G. Zito and X. Huang and J. Lin and Q. Ouyang and T. Wang and Y. Xie and R. Xu and S. Xue and J. Zhang and L. Zhang and W. Zhao and G. Bonvicini and M. Cattaneo and P. Comas and P. Coyle and H. Drevermann and A. Engelhardt and Forty, {R. W.} and M. Frank and M. Girone and R. Hagelberg and J. Harvey and R. Jacobsen and P. Janot and B. Jost and J. Knobloch and I. Lehraus and M. Maggi and C. Markou and Martin, {E. B.} and P. Mato and H. Meinhard and A. Minten and R. Miquel and T. Oest and P. Palazzi and Pater, {J. R.} and P. Perrodo and Pusztaszeri, {J. F.} and F. Ranjard and P. Rensing and L. Rolandi and D. Schlatter and M. Schmelling and O. Schneider and W. Tejessy and Tomalin, {I. R.} and A. Venturi and H. Wachsmuth and W. Wiedenmann and T. Wildish and W. Witzeling and J. Wotschack and Z. Ajaltouni and M. Bardadin-Otwinowska and A. Barres and C. Boyer and A. Falvard",

year = "1995",

month = aug,

day = "3",

doi = "10.1016/0370-2693(95)00758-D",

language = "English",

volume = "355",

pages = "595--605",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

number = "3-4",

}

Buskulic, D, Casper, D, De Bonis, I, Decamp, D, Ghez, P, Goy, C, Lees, JP, Minard, MN, Odier, P, Pietrzyk, B, Ariztizabal, F, Chmeissani, M, Crespo, JM, Efthymiopoulos, I, Fernandez, E, Fernandez-Bosman, M, Gaitan, V, Garrido, L, Martinez, M, Orteu, S, Pacheco, A, Padilla, C, Palla, F, Pascual, A, Perlas, JA, Sanchez, F, Teubert, F, Creanza, D, de Palma, M, Farilla, A, Iaselli, G, Maggi, G, Marinelli, N, Natali, S, Nuzzo, S, Ranieri, A, Raso, G, Romano, F, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Bonvicini, G, Cattaneo, M, Comas, P, Coyle, P, Drevermann, H, Engelhardt, A, Forty, RW, Frank, M, Girone, M, Hagelberg, R, Harvey, J, Jacobsen, R, Janot, P, Jost, B, Knobloch, J, Lehraus, I, Maggi, M, Markou, C, Martin, EB, Mato, P, Meinhard, H, Minten, A, Miquel, R, Oest, T, Palazzi, P, Pater, JR, Perrodo, P, Pusztaszeri, JF, Ranjard, F, Rensing, P, Rolandi, L, Schlatter, D, Schmelling, M, Schneider, O, Tejessy, W, Tomalin, IR, Venturi, A, Wachsmuth, H, Wiedenmann, W, Wildish, T, Witzeling, W, Wotschack, J, Ajaltouni, Z, Bardadin-Otwinowska, M, Barres, A, Boyer, C & Falvard, A 1995, 'Measurement of the D^*± cross section in two photon collisions at LEP', Physics Letters B, vol. 355, no. 3-4, pp. 595-605. https://doi.org/10.1016/0370-2693(95)00758-D

TY - JOUR

T1 - Measurement of the D*± cross section in two photon collisions at LEP

AU - Buskulic, D.

AU - Casper, D.

AU - De Bonis, I.

AU - Decamp, D.

AU - Ghez, P.

AU - Goy, C.

AU - Lees, J. P.

AU - Minard, M. N.

AU - Odier, P.

AU - Pietrzyk, B.

AU - Ariztizabal, F.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Efthymiopoulos, I.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Gaitan, V.

AU - Garrido, Ll

AU - Martinez, M.

AU - Orteu, S.

AU - Pacheco, A.

AU - Padilla, C.

AU - Palla, F.

AU - Pascual, A.

AU - Perlas, J. A.

AU - Sanchez, F.

AU - Teubert, F.

AU - Creanza, D.

AU - de Palma, M.

AU - Farilla, A.

AU - Iaselli, G.

AU - Maggi, G.

AU - Marinelli, N.

AU - Natali, S.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Romano, F.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Zito, G.

AU - Huang, X.

AU - Lin, J.

AU - Ouyang, Q.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, R.

AU - Xue, S.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Bonvicini, G.

AU - Cattaneo, M.

AU - Comas, P.

AU - Coyle, P.

AU - Drevermann, H.

AU - Engelhardt, A.

AU - Forty, R. W.

AU - Frank, M.

AU - Girone, M.

AU - Hagelberg, R.

AU - Harvey, J.

AU - Jacobsen, R.

AU - Janot, P.

AU - Jost, B.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Maggi, M.

AU - Markou, C.

AU - Martin, E. B.

AU - Mato, P.

AU - Meinhard, H.

AU - Minten, A.

AU - Miquel, R.

AU - Oest, T.

AU - Palazzi, P.

AU - Pater, J. R.

AU - Perrodo, P.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rensing, P.

AU - Rolandi, L.

AU - Schlatter, D.

AU - Schmelling, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Venturi, A.

AU - Wachsmuth, H.

AU - Wiedenmann, W.

AU - Wildish, T.

AU - Witzeling, W.

AU - Wotschack, J.

AU - Ajaltouni, Z.

AU - Bardadin-Otwinowska, M.

AU - Barres, A.

AU - Boyer, C.

AU - Falvard, A.

PY - 1995/8/3

Y1 - 1995/8/3

N2 - The inclusive production of D*± mesons in photon-photon collisions has been measured by the Aleph experiment at LEP with a beam energy of 45 GeV. The D*+ are detected in their decay to D0π+ with the D0 observed in three separate decay modes: (1) K-π+, (2) K-π+π0 and (3) K-π+π-π+, and analagously for the D*- modes. A total of 33 events was observed from an integrated luminosity of 73 pb-1 which corresponds to a cross section for Σ(e+e- → e+e-D*±X) of 155 ± 33 ± 21 pb. This result is compatible with both the direct production γγ → cc in the Born approximation and with a more complete calculation which includes both radiative QCD corrections and contributions in which one of the photons is first resolved into its quark and gluon constituents. The shapes of distributions for events containing a D*+ are found to be better described by the latter. © 1995.

AB - The inclusive production of D*± mesons in photon-photon collisions has been measured by the Aleph experiment at LEP with a beam energy of 45 GeV. The D*+ are detected in their decay to D0π+ with the D0 observed in three separate decay modes: (1) K-π+, (2) K-π+π0 and (3) K-π+π-π+, and analagously for the D*- modes. A total of 33 events was observed from an integrated luminosity of 73 pb-1 which corresponds to a cross section for Σ(e+e- → e+e-D*±X) of 155 ± 33 ± 21 pb. This result is compatible with both the direct production γγ → cc in the Born approximation and with a more complete calculation which includes both radiative QCD corrections and contributions in which one of the photons is first resolved into its quark and gluon constituents. The shapes of distributions for events containing a D*+ are found to be better described by the latter. © 1995.

U2 - 10.1016/0370-2693(95)00758-D

DO - 10.1016/0370-2693(95)00758-D

M3 - Article

SN - 0370-2693

VL - 355

SP - 595

EP - 605

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

Measurement of the D*± cross section in two photon collisions at LEP

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Measurement of the D^*± cross section in two photon collisions at LEP