MEASUREMENT OF THE DIFFRACTIVE STRUCTURE-FUNCTION IN DEEP-INELASTIC SCATTERING AT HERA by Derrick, T, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Zhang, H, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, Gialas, I

Measurement of the diffractive structure function FD(4)2 at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F

“…Upon integration over t, the structure function FD(3)2 is determined in a kinematic range extending to higher xIP and lower β compared to our previous analysis; the results are discussed within the framework of Regge theory.…”

Measurement of the diffractive structure function F(D(4))(2) at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F

MEASUREMENT OF THE PROTON STRUCTURE-FUNCTION F2 IN EP SCATTERING AT HERA by Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Repond, S, Stanek, R, Talaga, R, Thron, J, Arzarello, F, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Ciralli, F, Contin, A

“…This paper presents our first measurement of the F2 structure function in neutral-current, deep inelastic scattering using the ZEUS detector at HERA, the ep colliding beam facility at DESY. …”

MEASUREMENT OF THE PROTON STRUCTURE-FUNCTION F2 FROM THE 1993 HERA DATA by Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Schlereth, J, Stanek, R, Talaga, R, Thron, J, Arzarello, F, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Ciralli, F, Contin, A

“…The ZEUS detector has been used to measure the proton structure function F2. During 1993 HERA collided 26.7 GeV electrons on 820 GeV protons. …”

Measurement of the proton structure function F-2 at very low Q(2) at HERA by Breitweg, J, Chekanov, S, Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Pellegrino, A, Repond, J, Stanek, R, Yoshida, R, Mattingly, M, Abbiendi, G, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

Measurement of the proton structure function F-2 at low x and low Q(2) at HERA by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Zhang, H, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, Gialas, I, Giusti, P

Measurement of the proton structure function F 2 at low x and low Q 2 at HERA by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Zhang, H, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Cara Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, Gialas, I, Giusti, P

“…We report on a measurement of the proton structure function F 2 in the range 3.5×10-5≤x≤4×10-3 and 1.5 GeV2≤Q 2≤15GeV2 at the ep collider HERA operating at a centre-of-mass energy of √s=300GeV. …”

Measurement of the neutral current cross section and F-2 structure function for deep inelastic e(+)p scattering at HERA by Chekanov, S, Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Pellegrino, A, Repond, J, Stanek, R, Yoshida, R, Mattingly, M, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, De Pasquale, S, Giusti, P, Iacobucci, G

“…The cross section and the proton structure function F2 for neutral current deep inelastic e+p scattering have been measured with the ZEUS detector at HERA using an integrated luminosity of 30 pb-1. …”

Measurement of the proton structure function F2 and σγ*ρtot at low Q2 and very low x at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, E, Antonioli, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

“…A measurement of the proton structure function F2 and the total virtual photon-proton (γ*p) cross-section is presented for 0.11 ≤ Q2 ≤ 0.65 GeV2 and 2 × 10-6 ≤ x ≤ 6 × 10-5, corresponding to a range in the γ*p c.m. energy of 100 ≤ W ≤ 230 GeV. …”

Measurement of the proton structure function F-2 and sigma(gamma*p)(tot) at low Q(2) and very low x at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

Measurement of the F-2 structure function in deep inelastic e(+)p scattering using 1994 data from the ZEUS detector at HERA by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Okrasinski, JR, Repond, J, Stanek, R, Talaga, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

Measurement of the F2 structure function in deep inelastic e+p scattering using 1994 data from the ZEUS detector at HERA by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Okrasinski, JR, Repond, J, Stanek, R, Talaga, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

“…We present measurements of the structure function F2 in e+p scattering at HERA in the range 3.5 GeV2 < Q2 < 5000 GeV2. …”

Measurement of the diffractive cross section in deep inelastic scattering by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Okrasinski, JR, Repond, J, Stanek, R, Talaga, R, Zhang, H, Mattingly, M, Bari, G, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, P, Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, Gialas, I, Giusti, P, Iacobucci, G

“…The data are consistent with models where the pomeron structure function has a hard and a soft contribution. The diffractive structure function is measured as a function of xℙ, the momentum fraction lost by the proton, of β, the momentum fraction of the struck quark with respect to xℙ, and of Q2 in the range 6.3·10-4…”

EXTRACTION OF THE GLUON DENSITY OF THE PROTON AT X by Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Schlereth, J, Stanek, R, Talaga, R, Thron, J, Arzarello, F, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Ciralli, F, Contin, A

“…The gluon momentum density xg(x, Q2) of the proton was extracted at Q2 = 20 GeV2 for small values of x between 4 × 10-4 and 10-2 from the scaling violations of the proton structure function F2 measured recently by ZEUS in deep inelastic neutral current ep scattering at HERA. …”

Diffractive dijet cross sections in photoproduction at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

“…These cross sections and the ZEUS measurements of the diffractive structure function can be described by calculations based on parton densities in the pomeron which evolve according to the QCD evolution equations and include a substantial hard momentum component of gluons in the pomeron.…”

DIFFRACTIVE HARD PHOTOPRODUCTION AT HERA AND EVIDENCE FOR THE GLUON CONTENT OF THE POMERON by Derrick, M, Krakauer, D, Krakauer, D, Magill, S, Magill, S, Mikunas, D, Mikunas, D, Musgrave, B, Musgrave, B, Repond, J, Repond, J, Stanek, R, Stanek, R, Talaga, R, Talaga, R, Zhang, H, Zhang, H, Ayad, R, Ayad, R, Bari, G, Bari, G, Basile, M, Basile, M, Bellagamba, L, Bellagamba, L, Boscherini, D, Boscherini, D, Bruni, A, Bruni, A, Bruni, G, Bruni, G, Bruni, P, Bruni, P, Romeo, G, Romeo, G, Castellini, G, Castellini, G, Chiarini, M, Chiarini, M, Cifarelli, L, Cifarelli, L, Cindolo, F, Cindolo, F, Contin, A, Contin, A, Corradi, M, Corradi, M, Gialas, I, Gialas, I

“…A combined analysis of the jet cross sections and recent ZEUS measurements of the diffractive structure function in deep inelastic scattering gives the first experimental evidence for the gluon content of the pomeron in diffractive hard scattering processes. …”

D* production in deep inelastic scattering at HERA by Breitweg, J, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

“…After an extrapolation of the cross section to the full kinematic region in pT(D*±) and η(D*±), the charm contribution Fcc̄2(x,Q2) to the proton structure function is determined for Bjorken x between 2 · 10-4 and 5 · 10-3. © 1997 Elsevier Science B.V.…”

ZEUS results on the measurement and phenomenology of F2 at low cursive greek chi and low Q2 by Breitweg, J, Chekanov, S, Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Repond, J, Stanek, R, Talaga, R, Yoshida, R, Zhang, H, Mattingly, M, Abbiendi, G, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Cifarelli, L

“…Measurements of the proton structure function F2 for 0.6 < Q2 < 17 GeV2 and 1.2 × 10-5 < cursive Greek chi < 1.9 × 10 -3 from ZEUS 1995 shifted vertex data are presented. …”

Measurement of D*± production and the charm contribution to F2 in deep inelastic scattering at HERA by Breitweg, J, Chekanov, S, Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Pellegrino, A, Repond, J, Stanek, R, Yoshida, R, Mattingly, M, Abbiendi, G, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

“…The observed cross section is extrapolated to the full kinematic region in pT(D*±) and η(D*±) in order to determine the charm contribution, Fcc̄2 (x, Q2), to the proton structure function. The ratio Fcc̄2/F2 rises from ≃10% at Q2 ≃ 1.8GeV2 to ≃30% at Q2 ≃130GeV2 for x values in the range 10-4 to 10-3.…”