Study of charm photoproduction mechanisms | Zendy

M. Alvarez | Zendy; R. Barate | Zendy; D. Blöch | Zendy; P. Bonamy | Zendy; P. Borgeaud | Zendy; M. J. Burchell | Zendy; H. Burmeister | Zendy; J.M. Brunet | Zendy; F. Calviño | Zendy; M. Cattaneo | Zendy; J.M. Crespo | Zendy; B. Dalmagne | Zendy; M. David | Zendy; L. Di Ciaccio | Zendy; P. Druet | Zendy; A. Duane | Zendy; J.-P. Engel | Zendy; A. Ferrer | Zendy; T.A. Filippas | Zendy; E. Fokitis | Zendy; R.W. Forty | Zendy; P. Foucault | Zendy; E. N. Gazis | Zendy; J. Gerber | Zendy; Y. Giomataris | Zendy; G. Hall | Zendy; T. Hofmokl | Zendy; E. Katsoufis | Zendy; M. Koratzinos | Zendy; Christoph Krafft | Zendy; B. Lefièvre | Zendy; Y. Lemoigne | Zendy; A. Lopez | Zendy; W.K. Lui | Zendy; C. Magneville | Zendy; A. Maltezos | Zendy; J.G. McEwen | Zendy; Th. D. Papadopoulou | Zendy; B. Pattison | Zendy; D. Poutot | Zendy; M. Primout | Zendy; H. Rahmani | Zendy; P. Roudeau | Zendy; C. Seez | Zendy; J. Six | Zendy; R. Strub | Zendy; D. Treille | Zendy; P. Triscos | Zendy; G. Tristram | Zendy; G. Villet | Zendy; A. Volte | Zendy; M. Wayne | Zendy; D. Websdale | Zendy; G. Wormser | Zendy; Y. Zolnierowski | Zendy

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Study of charm photoproduction mechanisms

Author(s) -

M. Alvarez,

R. Barate,

D. Blöch,

P. Bonamy,

P. Borgeaud,

M. J. Burchell,

H. Burmeister,

J.M. Brunet,

F. Calviño,

M. Cattaneo,

J.M. Crespo,

B. Dalmagne,

M. David,

L. Di Ciaccio,

P. Druet,

A. Duane,

J.-P. Engel,

A. Ferrer,

T.A. Filippas,

E. Fokitis,

R.W. Forty,

P. Foucault,

E. N. Gazis,

J. Gerber,

Y. Giomataris,

G. Hall,

T. Hofmokl,

E. Katsoufis,

M. Koratzinos,

Christoph Krafft,

B. Lefièvre,

Y. Lemoigne,

A. Lopez,

W.K. Lui,

C. Magneville,

A. Maltezos,

J.G. McEwen,

Th. D. Papadopoulou,

B. Pattison,

D. Poutot,

M. Primout,

H. Rahmani,

P. Roudeau,

C. Seez,

J. Six,

R. Strub,

D. Treille,

P. Triscos,

G. Tristram,

G. Villet,

A. Volte,

M. Wayne,

D. Websdale,

G. Wormser,

Y. Zolnierowski

Publication year - 1993

Publication title -

zeitschrift für physik c

Language(s) - English

Resource type - Journals

eISSN - 1431-5858

pISSN - 0170-9739

DOI - 10.1007/bf01650430

Subject(s) - physics , charm (quantum number) , particle physics , charm quark , nuclear physics , nucleon , large hadron collider , quantum chromodynamics , gluon , hera , photon , quark , quantum mechanics

This paper presents results on charm photoproduction in the energy interval 40 to 160 GeV, obtained from the high-statistics charm samples of the NA 14/2 experiment at CERN. We measure the charm cross-section, the distributions in x(F) and p(T)2 and various production ratios and charge asymmetries. The total non-diffractive open-charm cross-section per nucleon is measured to be sigma(gammaN-->ccXBAR) = 540 +/- 60 +/- 100 nb at [E(gamma)] = 100 GeV. We discuss the photoproduction of charm in terms of theoretical and phenomenological models. We compare the measured p(T)2 and x(F) distributions with first-order QCD calculations of photon-gluon fusion and obtain a value for the charm-quarkmassof m(c) = 1.5(+0.2/-0.1) GeV/c2

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