Publications (51)
Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report
J. Andersen, B. Assi, K. Asteriadis +81
This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023).
Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report
S. Badger, J. Bendavid, V. Ciulli +92
This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
The QCD/SM Working Group: Summary Report
S. Alekhin, C. Balazs, R. Ball +57
This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France,…
Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report
J. Bendavid, F. Caola, V. Ciulli +102
This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Theoretical Analysis of Polarized Structure Functions
G. Altarelli, R. D. Ball, S. Forte +1
We review the analysis of polarized structure function data using perturbative QCD at next-to-leading order. We use the most recent experimental data to obtain updated results for…
A Direct Test of Perturbative QCD at Small x
R. D. Ball, S. Forte
We show that recent data from HERA on the proton structure function at small and large provide a direct confirmation of the double asymptotic scaling prediction of…
Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report
S. Amoroso, P. Azzurri, J. Bendavid +80
This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments for high precision Standard Model cal…
The SM and NLO multileg working group: Summary report
T. Binoth, G. Dissertori, J. Huston +88
This report summarizes the activities of the SM and NLO Multileg Working Group of the Workshop "Physics at TeV Colliders", Les Houches, France 8-26 June, 2009.
Microfabrication of large area high-stress silicon nitride membranes for optomechanical devices
E. Serra, M. Bawaj, A. Borrielli +16
In view of the integration of membrane resonators with more complex MEMS structures, we developed a general fabrication procedure for circular shape SiN membranes using Deep Re…
The Standard Model from the LHC to future colliders: a contribution to the Workshop "What Next" of INFN
S. Forte, A. Nisati, G. Passarino +16
This Report summarizes the results of the activities in 2014 of the Standard Model Working Group within the workshop "What Next" of INFN. We present a framework, general questions,…
A Next-to-Leading Determination of the Singlet Axial Charge and the Polarized Gluon Content of the Nucleon
R. D. Ball, S. Forte, G. Ridolfi
We perform a full next-to-leading analysis of the the available experimental data on the polarized structure function g_1 of the nucleon, and give a precise determination of its si…
Momentum Conservation at Small x
R. D. Ball, S. Forte
We discuss how momentum conservation is implemented in perturbative computations based on expansions of anomalous dimensions appropriate at small . We show that for any given ch…
Scheme Dependence at Small x
R. D. Ball, S. Forte
We discuss the evolution of F_2^p at small x, emphasizing the uncertainties related to expansion, fitting, renormalization and factorization scheme dependence. We find that perturb…
Anomalous Evolution of Nonsinglet Nucleon Structure Functions
R. D. Ball, V. Barone, S. Forte +1
We calculate the scale dependence of nonsinglet nucleon structure functions. Due to anomalous axial symmetry breaking a large flavour asymmetry of the quark--antiquark sea is gener…
BFKL at NNLO
S. Marzani, R. D. Ball, P. Falgari +1
We present a recent determination of an approximate expression for the O(alpha_s^3) contribution chi_2 to the kernel of the BFKL equation. This includes all collinear and anticolli…
Handbook of LHC Higgs Cross Sections: 3. Higgs Properties
The LHC Higgs Cross Section Working Group, S. Heinemeyer, C. Mariotti +155
This Report summarizes the results of the activities in 2012 and the first half of 2013 of the LHC Higgs Cross Section Working Group. The main goal of the working group was to pres…
On the Relation of the LHeC and the LHC
J. L. Abelleira Fernandez, C. Adolphsen, P. Adzic +206
The present note relies on the recently published conceptual design report of the LHeC and extends the first contribution to the European strategy debate in emphasising the role of…
The impact of heavy quark mass effects in the NNPDF global analysis
J. Rojo, R. D. Ball, V. Bertone +6
We discuss the implementation of the FONLL general-mass scheme for heavy quarks in deep-inelastic scattering in the FastKernel framework, used in the NNPDF series of global PDF ana…
Old and new physics interpretations of the NuTeV anomaly
S. Davidson, S. Forte, P. Gambino +2
We discuss whether the NuTeV anomaly can be explained, compatibly with all other data, by QCD effects (maybe, if the strange sea is asymmetric, or there is a tiny violation of isos…
Parton Distributions: Summary Report
M. Dittmar, S. Forte, A. Glazov +39
We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted fr…
The Rise in F_2^p at HERA
R. D. Ball, S. Forte
We show that the rise in at small and large seen at HERA is indeed the non-Regge double asymptotic scaling behaviour expected from the perturbative emission of st…
HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A
S. Alekhin, G. Altarelli, N. Amapane +191
The HERA electron--proton collider has collected 100 pb of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors…
Realization of symmetries and the c-theorem
S. Forte, J. I. Latorre
We discuss the relation between the --theorem and the the way various symmetries are realized in quantum field theory. We review our recent proof of the --theorem in four dim…
Snowmass 2021 White Paper: Electron Ion Collider for High Energy Physics
R. Abdul Khalek, U. D'Alesio, M. Arratia +105
Electron Ion Collider (EIC) is a particle accelerator facility planned for construction at Brookhaven National Laboratory on Long Island, New York by the United States Department o…
HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B
S. Alekhin, G. Altarelli, N. Amapane +191
The HERA electron--proton collider has collected 100 pb of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors…
Handbook of LHC Higgs Cross Sections: 2. Differential Distributions
LHC Higgs Cross Section Working Group, S. Dittmaier, C. Mariotti +118
This Report summarises the results of the second year's activities of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the…
Scale Dependence and Small-x Behaviour of Polarized Parton Distributions
R. D. Ball, S. Forte, G. Ridolfi
We discuss perturbative evolution of the polarized structure function g_1 in the (x,Q^2) plane, with special regard to the small-x region. We determine g_1 in terms of polarized qu…
Determination of alpha_s from F_2^p at HERA
R. D. Ball, S. Forte
We compute the proton structure function F_2^p at small x and large Q^2 at next-to-leading order in alpha_s(Q^2), including summations of all leading and subleading logarithms of Q…
Precision QCD with the Electron-Ion Collider
C. Alexandrou, M. Arratia, E. C. Aschenauer +66
This document summarizes the discussions at the program "Precision QCD with the Electron Ion Collider", held from May to June 2025 at the Institute for Nuclear Theory (INT) at the…
Asymptotically Free Partons at High Energy
R. D. Ball, S. Forte
We describe the application of renormalization group improved perturbative QCD to inelastic lepton-hadron scattering at high center-of-mass energy but comparatively low photon virt…
Report of the Snowmass 2013 energy frontier QCD working group
J. M. Campbell, K. Hatakeyama, J. Huston +51
This is the summary report of the energy frontier QCD working group prepared for Snowmass 2013. We review the status of tools, both theoretical and experimental, for understanding…
Recent progress on NNPDF for LHC
NNPDF Collaboration, M. Ubiali, R. D. Ball +6
We present recent results of the NNPDF collaboration on a full DIS analysis of Parton Distribution Functions (PDFs). Our method is based on the idea of combining a Monte Carlo samp…
Progress on neural parton distributions
NNPDF Collaboration, J. Rojo, R. D. Ball +6
We give a status report on the determination of a set of parton distributions based on neural networks. In particular, we summarize the determination of the nonsinglet quark distri…
Proceedings of the workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics
H. Jung, A. De Roeck, Z. J. Ajaltouni +265
2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffracti…
A determination of alpha_s from scaling violations with truncated moments
S. Forte, J. I. Latorre, L. Magnea +1
We describe a determination of the strong coupling alpha_s(M_Z) from scaling violations of the nonsinglet DIS structure function, which is based on two novel techniques aimed at co…
Physics at the front-end of a neutrino factory: a quantitative appraisal
M. L. Mangano, S. I. Alekhin, M. Anselmino +16
We present a quantitative appraisal of the physics potential for neutrino experiments at the front-end of a muon storage ring. We estimate the forseeable accuracy in the determinat…
Workshop on Precision Measurements of alphas
S. Bethke, A. H. Hoang, S. Kluth +32
These are the proceedings of the "Workshop on Precision Measurements of alphas" held at the Max-Planck-Institute for Physics, Munich, February 9-11, 2011. The workshop explored in…
Calculating F_2^p at small x and large Q^2
R. D. Ball, S. Forte
We show that the double asymptotic scaling of the HERA structure function data is consistent with pre-HERA data at larger , soft pomeron behaviour at small and a sensible st…
Parton Distributions
M. Dittmar, S. Forte, A. Glazov +37
We provide an assessment of the state of the art in various issues related to experimental measurements, phenomenological methods and theoretical results relevant for the determina…
A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector
J. L. Abelleira Fernandez, C. Adolphsen, A. N. Akay +190
The physics programme and the design are described of a new collider for particle and nuclear physics, the Large Hadron Electron Collider (LHeC), in which a newly built electron be…
Les Houches 2013: Physics at TeV Colliders: Standard Model Working Group Report
J. Butterworth, G. Dissertori, S. Dittmaier +76
This Report summarizes the proceedings of the 2013 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt primarily with (1) the techniques for calculating standard mode…
Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector
D. de Florian, C. Grojean, F. Maltoni +373
This Report summarizes the results of the activities of the LHC Higgs Cross Section Working Group in the period 2014-2016. The main goal of the working group was to present the sta…
The Large Hadron-Electron Collider at the HL-LHC
P. Agostini, H. Aksakal, S. Alekhin +333
The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting ener…
Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables
LHC Higgs Cross Section Working Group, S. Dittmaier, C. Mariotti +62
This Report summarizes the results of the first 10 months' activities of the LHC Higgs Cross Sections Working Group. The main goal of the working group was to present the status-of…
Summation of Leading Logarithms at Small x
R. D. Ball, S. Forte
We show how perturbation theory may be reorganized to give splitting functions which include order by order convergent sums of all leading logarithms of . This gives a leading t…
Tests of the Standard Model with Low-Energy Neutrino Beams
V. Antonelli, G. Battistoni, P. Ferrario +1
We discuss the possibility of using future high--intensity low--energy neutrino beams for precision tests of the Standard Model. In particular we consider the determination of the…
Double Asymptotic Scaling at HERA
R. D. Ball, S. Forte
Perturbative QCD predicts that at sufficiently large and small nucleon structure functions should exhibit scaling in the two variables $\sqrt{\ln\smallfrac{1}{x}\ln\ln Q^…
A Large Hadron Electron Collider at CERN
J. L. Abelleira Fernandez, C. Adolphsen, P. Adzic +206
This document provides a brief overview of the recently published report on the design of the Large Hadron Electron Collider (LHeC), which comprises its physics programme, accelera…
Progress in the Neural Network Determination of Polarized Parton Distributions
J. Rojo, G. Ridolfi, R. D. Ball +7
We review recent progress towards a determination of a set of polarized parton distributions from a global set of deep-inelastic scattering data based on the NNPDF methodology, in…
12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD
J. Bartels, K. Borras, M. Diehl +118
Proceedings of the 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD
Next-to-Leading Order Structure Function Evolution at Small x and Large Q^2
R. D. Ball, S. Forte
We show that a unified approach to the perturbative evolution of structure functions which sums all logarithms of Q^2 and 1/x at leading and next-to-leading order yields results in…