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Inclusive measurement of diffractive deep-inelastic scattering at HERA

Aaron, F. D.; Božović-Jelisavčić, Ivanka; Pandurović, Mila

(2012)

TY  - JOUR
AU  - Aaron, F. D.
AU  - Božović-Jelisavčić, Ivanka
AU  - Pandurović, Mila
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4980
AB  - The diffractive process ep - GT eXY, where Y denotes a proton or its low mass excitation with M-Y LT 1.6 GeV, is studied with the H1 experiment at HERA. The analysis is restricted to the phase space region of the photon virtuality 3 LT = Q(2) LT = 1600 GeV2, the square of the fourmomentum transfer at the proton vertex vertical bar t vertical bar LT 1.0 GeV2 and the longitudinal momentum fraction of the incident proton carried by the colourless exchange x(P) LT 0.05. Triple differential cross sections are measured as a function of x(P), Q(2) and beta = x/x(P) where x is the Bjorken scaling variable. These measurements are made after selecting diffractive events by demanding a large empty rapidity interval separating the final state hadronic systems X and Y. High statistics measurements covering the data taking periods 1999-2000 and 2004-2007 are combined with previously published results in order to provide a single set of diffractive cross sections from the H1 experiment using the large rapidity gap selection method. The combined data represent a factor between three and thirty increase in statistics with respect to the previously published results. The measurements are compared with predictions from NLO QCD calculations based on diffractive parton densities and from a dipole model. The proton vertex factorisation hypothesis is tested.
T2  - European Physical Journal C. Particles and Fields
T1  - Inclusive measurement of diffractive deep-inelastic scattering at HERA
VL  - 72
IS  - 7
DO  - 10.1140/epjc/s10052-012-2074-2
ER  - 
@article{
author = "Aaron, F. D. and Božović-Jelisavčić, Ivanka and Pandurović, Mila",
year = "2012",
abstract = "The diffractive process ep - GT eXY, where Y denotes a proton or its low mass excitation with M-Y LT 1.6 GeV, is studied with the H1 experiment at HERA. The analysis is restricted to the phase space region of the photon virtuality 3 LT = Q(2) LT = 1600 GeV2, the square of the fourmomentum transfer at the proton vertex vertical bar t vertical bar LT 1.0 GeV2 and the longitudinal momentum fraction of the incident proton carried by the colourless exchange x(P) LT 0.05. Triple differential cross sections are measured as a function of x(P), Q(2) and beta = x/x(P) where x is the Bjorken scaling variable. These measurements are made after selecting diffractive events by demanding a large empty rapidity interval separating the final state hadronic systems X and Y. High statistics measurements covering the data taking periods 1999-2000 and 2004-2007 are combined with previously published results in order to provide a single set of diffractive cross sections from the H1 experiment using the large rapidity gap selection method. The combined data represent a factor between three and thirty increase in statistics with respect to the previously published results. The measurements are compared with predictions from NLO QCD calculations based on diffractive parton densities and from a dipole model. The proton vertex factorisation hypothesis is tested.",
journal = "European Physical Journal C. Particles and Fields",
title = "Inclusive measurement of diffractive deep-inelastic scattering at HERA",
volume = "72",
number = "7",
doi = "10.1140/epjc/s10052-012-2074-2"
}
Aaron, F. D., Božović-Jelisavčić, I.,& Pandurović, M.. (2012). Inclusive measurement of diffractive deep-inelastic scattering at HERA. in European Physical Journal C. Particles and Fields, 72(7).
https://doi.org/10.1140/epjc/s10052-012-2074-2
Aaron FD, Božović-Jelisavčić I, Pandurović M. Inclusive measurement of diffractive deep-inelastic scattering at HERA. in European Physical Journal C. Particles and Fields. 2012;72(7).
doi:10.1140/epjc/s10052-012-2074-2 .
Aaron, F. D., Božović-Jelisavčić, Ivanka, Pandurović, Mila, "Inclusive measurement of diffractive deep-inelastic scattering at HERA" in European Physical Journal C. Particles and Fields, 72, no. 7 (2012),
https://doi.org/10.1140/epjc/s10052-012-2074-2 . .
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Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L

Aaron, F. D.; Božović-Jelisavčić, Ivanka; Mudrinić, Mihajlo; Pandurović, Mila; Smiljanić, Ivan

(2011)

TY  - JOUR
AU  - Aaron, F. D.
AU  - Božović-Jelisavčić, Ivanka
AU  - Mudrinić, Mihajlo
AU  - Pandurović, Mila
AU  - Smiljanić, Ivan
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4389
AB  - A measurement is presented of the inclusive neutral current e(+/-) p scattering cross section using data collected by the H1 experiment at HERA during the years 2003 to 2007 with proton beam energies E-p of 920, 575, and 460 GeV. The kinematic range of the measurement covers low absolute four-momentum transfers squared, 1.5 GeV2 LT Q(2) LT 120 GeV2, small values of Bjorken x, 2.9 . 10(-5) LT x LT 0.01, and extends to high inelasticity up to y = 0.85. The structure function F-L is measured by combining the new results with previously published H1 data at E-p = 920 GeV and E-p = 820 GeV. The new measurements are used to test several phenomenological and QCD models applicable in this low Q(2) and low x kinematic domain.
T2  - European Physical Journal C. Particles and Fields
T1  - Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L
VL  - 71
IS  - 3
DO  - 10.1140/epjc/s10052-011-1579-4
ER  - 
@article{
author = "Aaron, F. D. and Božović-Jelisavčić, Ivanka and Mudrinić, Mihajlo and Pandurović, Mila and Smiljanić, Ivan",
year = "2011",
abstract = "A measurement is presented of the inclusive neutral current e(+/-) p scattering cross section using data collected by the H1 experiment at HERA during the years 2003 to 2007 with proton beam energies E-p of 920, 575, and 460 GeV. The kinematic range of the measurement covers low absolute four-momentum transfers squared, 1.5 GeV2 LT Q(2) LT 120 GeV2, small values of Bjorken x, 2.9 . 10(-5) LT x LT 0.01, and extends to high inelasticity up to y = 0.85. The structure function F-L is measured by combining the new results with previously published H1 data at E-p = 920 GeV and E-p = 820 GeV. The new measurements are used to test several phenomenological and QCD models applicable in this low Q(2) and low x kinematic domain.",
journal = "European Physical Journal C. Particles and Fields",
title = "Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L",
volume = "71",
number = "3",
doi = "10.1140/epjc/s10052-011-1579-4"
}
Aaron, F. D., Božović-Jelisavčić, I., Mudrinić, M., Pandurović, M.,& Smiljanić, I.. (2011). Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L. in European Physical Journal C. Particles and Fields, 71(3).
https://doi.org/10.1140/epjc/s10052-011-1579-4
Aaron FD, Božović-Jelisavčić I, Mudrinić M, Pandurović M, Smiljanić I. Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L. in European Physical Journal C. Particles and Fields. 2011;71(3).
doi:10.1140/epjc/s10052-011-1579-4 .
Aaron, F. D., Božović-Jelisavčić, Ivanka, Mudrinić, Mihajlo, Pandurović, Mila, Smiljanić, Ivan, "Measurement of the inclusive e(+/-) p scattering cross section at high inelasticity y and of the structure function F-L" in European Physical Journal C. Particles and Fields, 71, no. 3 (2011),
https://doi.org/10.1140/epjc/s10052-011-1579-4 . .
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147

Search for first generation leptoquarks in ep collisions at HERA

Aaron, F. D.; Božović-Jelisavčić, Ivanka; Mudrinić, Mihajlo; Pandurović, Mila; Smiljanić, Ivan

(2011)

TY  - JOUR
AU  - Aaron, F. D.
AU  - Božović-Jelisavčić, Ivanka
AU  - Mudrinić, Mihajlo
AU  - Pandurović, Mila
AU  - Smiljanić, Ivan
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4549
AB  - A search for first generation scalar and vector leptoquarks produced in ep collisions is performed by the H1 experiment at HERA. The full H1 data sample is used in the analysis, corresponding to an integrated luminosity of 446 pb(-1). No evidence for the production of leptoquarks is observed in final states with a large transverse momentum electron or with large missing transverse momentum, and constraints on leptoquark models are derived. For leptoquark couplings of electromagnetic strength lambda = 0.3, first generation leptoquarks with masses up to 800 GeV are excluded at 95% confidence level. (C) 2011 Elsevier B.V. All rights reserved.
T2  - Physics Letters B
T1  - Search for first generation leptoquarks in ep collisions at HERA
VL  - 704
IS  - 5
SP  - 388
EP  - 396
DO  - 10.1016/j.physletb.2011.09.017
ER  - 
@article{
author = "Aaron, F. D. and Božović-Jelisavčić, Ivanka and Mudrinić, Mihajlo and Pandurović, Mila and Smiljanić, Ivan",
year = "2011",
abstract = "A search for first generation scalar and vector leptoquarks produced in ep collisions is performed by the H1 experiment at HERA. The full H1 data sample is used in the analysis, corresponding to an integrated luminosity of 446 pb(-1). No evidence for the production of leptoquarks is observed in final states with a large transverse momentum electron or with large missing transverse momentum, and constraints on leptoquark models are derived. For leptoquark couplings of electromagnetic strength lambda = 0.3, first generation leptoquarks with masses up to 800 GeV are excluded at 95% confidence level. (C) 2011 Elsevier B.V. All rights reserved.",
journal = "Physics Letters B",
title = "Search for first generation leptoquarks in ep collisions at HERA",
volume = "704",
number = "5",
pages = "388-396",
doi = "10.1016/j.physletb.2011.09.017"
}
Aaron, F. D., Božović-Jelisavčić, I., Mudrinić, M., Pandurović, M.,& Smiljanić, I.. (2011). Search for first generation leptoquarks in ep collisions at HERA. in Physics Letters B, 704(5), 388-396.
https://doi.org/10.1016/j.physletb.2011.09.017
Aaron FD, Božović-Jelisavčić I, Mudrinić M, Pandurović M, Smiljanić I. Search for first generation leptoquarks in ep collisions at HERA. in Physics Letters B. 2011;704(5):388-396.
doi:10.1016/j.physletb.2011.09.017 .
Aaron, F. D., Božović-Jelisavčić, Ivanka, Mudrinić, Mihajlo, Pandurović, Mila, Smiljanić, Ivan, "Search for first generation leptoquarks in ep collisions at HERA" in Physics Letters B, 704, no. 5 (2011):388-396,
https://doi.org/10.1016/j.physletb.2011.09.017 . .
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Jet production in ep collisions at low Q(2) and determination of alpha(s)

Aaron, F. D.; Božović-Jelisavčić, Ivanka; Mudrinić, Mihajlo; Pandurović, Mila; Smiljanić, Ivan

(2010)

TY  - JOUR
AU  - Aaron, F. D.
AU  - Božović-Jelisavčić, Ivanka
AU  - Mudrinić, Mihajlo
AU  - Pandurović, Mila
AU  - Smiljanić, Ivan
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3993
AB  - The production of jets is studied in deep-inelastic e(+) p scattering at low negative four momentum transfer squared 5 LT Q(2) LT 100 GeV2 and at inelasticity 0.2 LT y LT 0.7 using data recorded by the H1 detector at HERA in the years 1999 and 2000, corresponding to an integrated luminosity of 43.5 pb(-1). Inclusive jet, 2-jet and 3-jet cross sections as well as the ratio of 3-jet to 2-jet cross sections are measured as a function of Q(2) and jet transverse momentum. The 2-jet cross section is also measured as a function of the proton momentum fraction xi. The measurements are well described by perturbative quantum chromodynamics at next-to-leading order corrected for hadronisation effects and are subsequently used to extract the strong coupling as.
T2  - European Physical Journal C. Particles and Fields
T1  - Jet production in ep collisions at low Q(2) and determination of alpha(s)
VL  - 67
IS  - 1-2
SP  - 1
EP  - 24
DO  - 10.1140/epjc/s10052-010-1282-x
ER  - 
@article{
author = "Aaron, F. D. and Božović-Jelisavčić, Ivanka and Mudrinić, Mihajlo and Pandurović, Mila and Smiljanić, Ivan",
year = "2010",
abstract = "The production of jets is studied in deep-inelastic e(+) p scattering at low negative four momentum transfer squared 5 LT Q(2) LT 100 GeV2 and at inelasticity 0.2 LT y LT 0.7 using data recorded by the H1 detector at HERA in the years 1999 and 2000, corresponding to an integrated luminosity of 43.5 pb(-1). Inclusive jet, 2-jet and 3-jet cross sections as well as the ratio of 3-jet to 2-jet cross sections are measured as a function of Q(2) and jet transverse momentum. The 2-jet cross section is also measured as a function of the proton momentum fraction xi. The measurements are well described by perturbative quantum chromodynamics at next-to-leading order corrected for hadronisation effects and are subsequently used to extract the strong coupling as.",
journal = "European Physical Journal C. Particles and Fields",
title = "Jet production in ep collisions at low Q(2) and determination of alpha(s)",
volume = "67",
number = "1-2",
pages = "1-24",
doi = "10.1140/epjc/s10052-010-1282-x"
}
Aaron, F. D., Božović-Jelisavčić, I., Mudrinić, M., Pandurović, M.,& Smiljanić, I.. (2010). Jet production in ep collisions at low Q(2) and determination of alpha(s). in European Physical Journal C. Particles and Fields, 67(1-2), 1-24.
https://doi.org/10.1140/epjc/s10052-010-1282-x
Aaron FD, Božović-Jelisavčić I, Mudrinić M, Pandurović M, Smiljanić I. Jet production in ep collisions at low Q(2) and determination of alpha(s). in European Physical Journal C. Particles and Fields. 2010;67(1-2):1-24.
doi:10.1140/epjc/s10052-010-1282-x .
Aaron, F. D., Božović-Jelisavčić, Ivanka, Mudrinić, Mihajlo, Pandurović, Mila, Smiljanić, Ivan, "Jet production in ep collisions at low Q(2) and determination of alpha(s)" in European Physical Journal C. Particles and Fields, 67, no. 1-2 (2010):1-24,
https://doi.org/10.1140/epjc/s10052-010-1282-x . .
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