D. Benchekroun

发表

Triggering on Long-Lived Neutral Particles in the ATLAS Detector

Pavel Strachota, Frank Winklmeier, Farid Ould-Saada, 2009 .

Y. Wang, S. Gkaitatzis, S. Citraro, 2021, Journal of Instrumentation.

Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using $$ \sqrt{s}=8 $$ TeV proton-proton collision data

P. Catastini, A. Bocci, W. Bhimji, 2014, 1405.7875.

Measurement of dijet cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2013, Journal of High Energy Physics.

Search for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at s=13\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{up

J. Caudron, A. Bethani, A. Bocci, 2018, Journal of High Energy Physics.

Searches for Higgs boson pair production in the hh →bbττ, γγWW∗, γγbb, bbbb channels with the ATLAS detector

Sahal Yacoob, J. Jentzsch, Christian Gumpert, 2015 .

Combination of searches for heavy resonances decaying into bosonic and leptonic final states using 36 fb − 1 of proton proton collision data at s = 13 TeV with the ATLAS detector

Sahal Yacoob, Marcia Begalli, Christian Gumpert, 2019 .

Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2012, Journal of High Energy Physics.

Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at $\sqrt{s}=13$ TeV

J. Caudron, A. Bethani, A. Bocci, 2018, 1802.03388.

UvA-DARE (Digital Centrality and rapidity dependence of inclusive jet production in √sNN = 5.02 TeV proton-lead collisions with the ATLAS detector

Sahal Yacoob, Christian Gumpert, Elmar Ritsch, 2015 .

Search for invisible decays of the Higgs boson produced in association with a hadronically decaying vector boson in pp collisions at $$\sqrt{s} = 8$$s=8 TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015 .

Measurements of the pseudorapidity dependence of the total transverse energy in proton-proton collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\od

P. Catastini, A. Bocci, W. Bhimji, 2012, Journal of High Energy Physics.

Search for the Standard Model Higgs boson in the H→WW(⋆)→ℓνℓν decay mode with of ATLAS data at √ s =7 TeV

Pavel Strachota, Paolo Valente, Farid Ould-Saada, 2012 .

Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at √s = 7 and 8 TeV in the ATLAS experiment

P. Catastini, J. Caudron, A. Bocci, 2015, 1507.04548.

Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgree

P. Catastini, A. Bocci, W. Bhimji, 2013, Journal of High Energy Physics.

Performance of electron and photon triggers in ATLAS during LHC Run 2

T. Koi, Y. Wang, S. Gkaitatzis, 2020, The European Physical Journal C.

Search for new phenomena in final states with large jet multiplicities and missing transverse momentum at $ \sqrt{s}=8 $ TeV proton-proton collisions using the ATLAS experiment

P. Catastini, A. Bocci, W. Bhimji, 2013 .

Impact of energy and luminosity upgrades at LHC on the physics programme of ATLAS

G. Polesello, S. Tapprogge, H. Stenzel, 2002 .

Shower development of particles with momenta from 1 to 10 GeV in the CALICE Scintillator-Tungsten HCAL

A. Ribon, N. Zaganidis, L. Mirabito, 2013, 1311.3505.

Combined measurement of differential and total cross sections in the H → γγ and the H → ZZ⁎ → 4ℓ decay channels at s=13 TeV with the ATLAS detector

Marcia Begalli, Christian Gumpert, Elmar Ritsch, 2018, Physics Letters B.

Search for third generation scalar leptoquarks in pp collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \sq

Pedro Antonio Gutiérrez, P. Catastini, A. Bocci, 2013, Journal of High Energy Physics.

Search for supersymmetry in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $$\sqrt{s}=8$$s=8 TeV pp collisions with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015, 1503.03290.

Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2017, Journal of High Energy Physics.

Performance of top-quark and $$\varvec{W}$$W-boson tagging with ATLAS in Run 2 of the LHC

J. Caudron, A. Bethani, A. Bocci, 2019 .

Evidence for single top-quark production in the s-channel in proton–proton collisions at s=8 TeV with the ATLAS detector using the Matrix Element Method

Sahal Yacoob, Christian Gumpert, Elmar Ritsch, 2015, 1511.05980.

Measurement of ttbar production with a veto on additional central jet activity in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2012, 1203.5015.

Search for direct top-squark pair production in final states with two leptons in pp collisions at $ \sqrt{s} $ = 8 TeV with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014 .

Measurement of the W → ℓν and Z/γ* → ℓℓ production cross sections in proton-proton collisions at $ \sqrt {s} = 7\;{\text{TeV}} $ with the ATLAS detector

A. Bocci, W. Bhimji, B. Butler, 2010 .

Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at s=8$$ \sqrt{s}=8 $$ TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015 .

Search for new phenomena in final states with an energetic jet and large missing transverse momentum inppcollisions at √s = 13 TeV using the ATLAS detector

J. Jentzsch, Christian Gumpert, Elmar Ritsch, 2016 .

Measurement of the production cross section for Z/γ* in association with jets in pp collisions at s√=7 TeV with the ATLAS detector

Pavel Strachota, Yasuyuki Okumura, Farid Ould-Saada, 2012 .

Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2017, Journal of High Energy Physics.

ATLAS Collaboration

A. Bocci, K. Amako, T. Argyropoulos, 2019, Nuclear Physics A.

Search for new phenomena with the monojet and missing transverse momentum signature using the ATLAS detector in s=7TeV proton–proton collisions

Pavel Strachota, Yasuyuki Okumura, Paolo Valente, 2011 .

Operation and performance of the ATLAS Tile Calorimeter in Run 1

J. Caudron, A. Bethani, A. Bocci, 2018, European Physical Journal C: Particles and Fields.

Measurement of the inclusive W± and Z/γ∗ cross sections in the e and μ decay channels in pp collisions at √s=7TeV with the ATLAS detector

Pavel Strachota, Yasuyuki Okumura, Farid Ould-Saada, 2012 .

Study of jet shapes in inclusive jet production in p p collisions at s = 7 _ _ TeV using the ATLAS detector

Pavel Strachota, Farid Ould-Saada, Michael Henke, 2011 .

Measurement of the azimuthal anisotropy for charged particle production in √ sNN = 2.76 TeV lead-lead collisions with the ATLAS detector

Pavel Strachota, Ian Watson, John Taylor Childers, 2012 .

Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector

T. Koi, J. Jentzsch, S. Gkaitatzis, 2017, The European physical journal. C, Particles and fields.

Search for bottom squark pair production in proton–proton collisions at √s=13 TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2016, 1606.08772.

The performance of the jet trigger for the ATLAS detector during 2011 data taking

T. Koi, J. Jentzsch, S. Gkaitatzis, 2016, The European Physical Journal. C, Particles and Fields.

A search for new physics in dijet mass and angular distributions in ppcollisions at √s=7 TeV measured with the ATLAS detector

Pavel Strachota, Yasuyuki Okumura, Farid Ould-Saada, 2011 .

Search for pair production of heavy vector-like quarks decaying to high-pTW bosons and b quarks in the lepton-plus-jets final state in pp collisions at s=13$$ \sqrt{s}=13 $$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2017 .

Measurements of W±Z production cross sections in pp collisions at s =8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings

Sahal Yacoob, Christian Gumpert, Elmar Ritsch, 2016 .

Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the $H \rightarrow aa \rightarrow 4b$ channel in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018, 1806.07355.

Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at root s=8 TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015, 1502.01518.

Readiness of the ATLAS Tile Calorimeter for LHC collisions

C. Collard, A. Bocci, B. Butler, 2010, 1007.5423.

A search for tt¯$$ t\overline{t} $$ resonances using lepton-plus-jets events in proton-proton collisions at s=8$$ \sqrt{s}=8 $$ TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015 .

Hadronic energy resolution of a highly granular scintillator-steel hadron calorimeter using software compensation techniques

G. Mavromanolakis, B. Lutz, E. Norbeck, 2012, 1207.4210.

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

J. Caudron, A. Bocci, A. Chatterjee, 2016, 1604.01306.

Summary of the searches for squarks and gluinos using s=8$$ \sqrt{s}=8 $$ TeV pp collisions with the ATLAS experiment at the LHC

P. Catastini, J. Caudron, A. Bocci, 2015 .

Proceeding for LHCP2014 Poster: Search for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014, 1408.6975.

Measurement of the differential cross-sections of inclusive, prompt and non-prompt J/Ψ production in proton-proton collisions at √s=7 TeV

Pavel Strachota, Yasuyuki Okumura, Paolo Valente, 2011 .

Performance of the ATLAS muon trigger in pp collisions at $$\sqrt{s}=8$$s=8 TeV

P. Catastini, J. Caudron, A. Bocci, 2015 .

Top-quark mass measurement in the all-hadronic tt¯$$ t\overline{t} $$ decay channel at s=8$$ \sqrt{s}=8 $$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2017 .

Performance of the ATLAS electromagnetic calorimeter barrel module 0

F. Orsini, A. Bazan, Isabelle Wingerter-Seez, 2003 .

Search for squarks and gluinos in final states with jets and missing transverse momentum at $$\sqrt{s}$$s =13 $${\mathrm{TeV}}$$TeVwith the ATLAS detector

J. Caudron, A. Bocci, A. Chatterjee, 2016, The European physical journal. C, Particles and fields.

Reconstruction of hadronic decay products of tau leptons with the ATLAS experiment

T. Koi, J. Jentzsch, S. Gkaitatzis, 2015, The European Physical Journal. C, Particles and Fields.

Search for Higgs boson pair production in the γγbb¯$$ \upgamma \upgamma b\overline{b} $$ final state with 13 TeV pp collision data collected by the ATLAS experiment

J. Caudron, A. Bethani, A. Bocci, 2018, Journal of High Energy Physics.

Erratum to: Search for production of WW / WZ resonances decaying to a lepton, neutrino and jets in pp collisions at (Formula presented.) = 8 TeV with the ATLAS detector (Eur. Phys. J. C, (2015), 75, (209), DOI 10.1140/epjc/s10052-015-3425-6)

J. Jentzsch, Christian Gumpert, Elmar Ritsch, 2015 .

Measurement of the jet fragmentation function and transverse profile in proton-proton collisions at a center-of-mass energy of 7 TeV with the ATLAS detector

A. Bocci, W. Bhimji, B. Butler, 2011, 1109.5816.

Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector

A. Bocci, W. Bhimji, B. Butler, 2010, 1009.5908.

Measurement of D *± meson production in jets from pp collisions at √s=7TeV with the ATLAS detector

Pavel Strachota, Yasuyuki Okumura, Paolo Valente, 2012 .

Search for supersymmetry at $$\sqrt{s}=13$$s=13 TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector

J. Caudron, A. Bocci, A. Chatterjee, 2016 .

Search for direct production of charginos, neutralinos and sleptons in final states with two leptons and missing transverse momentum in pp collisions at √s = 8 TeV with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014, 1403.5294.

Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at s = 13 Te V with the ATLAS detector

J. Caudron, A. Bocci, A. Chatterjee, 2016, 1605.04285.

Performance of the ATLAS Detector using First Collision Data

A. Bocci, B. Butler, K. Amako, 2010, 1005.5254.

Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2

Pedro Antonio Gutiérrez, T. Koi, S. Gkaitatzis, 2017, The European Physical Journal. C, Particles and Fields.

Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision data at √s=7 TeV with the ATLAS detector

Pavel Strachota, Sahal Yacoob, R. Van Berg, 2013 .

Measurement of the Drell-Yan triple-differential cross section in pp collisions at s=8$$ \sqrt{s}=8 $$ TeV

J. Caudron, A. Bethani, A. Bocci, 2017, 1710.05167.

Search for dark matter in events with heavy quarks and missing transverse momentum in $$pp$$pp collisions with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015 .

Measurement of the transverse momentum and $$\phi ^*_{\eta }$$ϕη∗ distributions of Drell–Yan lepton pairs in proton–proton collisions at $$\sqrt{s}=8$$s=8 TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2016, The European physical journal. C, Particles and fields.

Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{

P. Catastini, A. Bocci, W. Bhimji, 2012, Journal of High Energy Physics.

Charged-particle multiplicities in pp interactions measured with the ATLAS detector at the LHC

Farid Ould-Saada, Giuseppe Mornacchi, Takashi Kohriki, 2011 .

Search for Higgs boson pair production in the bb¯WW*$$ b\overline{b}W{W}^{*} $$ decay mode at s$$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018 .

Search for top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in s$$ \sqrt{s} $$ = 8 TeV pp collisions with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014 .

Search for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018, 1804.10823.

Searches for supersymmetry with the ATLAS detector using final states with two leptons and missing transverse momentum in Pavel Strachota, Paolo Valente, Farid Ould-Saada, 2011 .

The time structure of hadronic showers in highly granular calorimeters with tungsten and steel absorbers

A. Ribon, N. Zaganidis, L. Mirabito, 2014, 1404.6454.

Commissioning of the ATLAS Muon Spectrometer with cosmic rays

C. Collard, A. Bocci, B. Butler, 2010 .

Track segments in hadronic showers in a highly granular scintillator-steel hadron calorimeter

A. Ribon, N. Zaganidis, G. Mavromanolakis, 2013, 1305.7027.

In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2019, The European Physical Journal C.

Measurement of the W-boson mass in pp collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sqrt{s}=7\, \hbox

J. Caudron, A. Bethani, A. Bocci, 2017, The European Physical Journal. C, Particles and Fields.

Search for strong production of supersymmetric particles in final states with missing transverse momentum and at least three b-jets at $\sqrt{s} =$ 8 TeV proton-proton collisions with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014, 1407.0600.

Identification of high transverse momentum top quarks in pp collisions at s=8$$ \sqrt{s}=8 $$ TeV with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2016, 1603.03127.

A neural network clustering algorithm for the ATLAS silicon pixel detector

Sahal Yacoob, J. Jentzsch, Christian Gumpert, 2014 .

Measurement of detector-corrected observables sensitive to theanomalous production of events with jets and large missingtransverse momentum in pp collisions at √s = 13 TeV using theATLAS detector

Marcia Begalli, Christian Gumpert, Ourania Sidiropoulou, 2017 .

Measurement of dijet production with a veto on additional central jet activity in pp collisions at $ \sqrt {s} = 7 $ TeV using the ATLAS detector

A. Bocci, W. Bhimji, B. Butler, 2011, 1201.4932.

Measurement of the cross-section for b-jets produced in association with a Z boson at √s = 7 TeV with the ATLAS detector

Pavel Strachota, Yasuyuki Okumura, Paolo Valente, 2011 .

Search for pair production of Higgs bosons in the bb¯bb¯$$ b\overline{b}b\overline{b} $$ final state using proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2016 .

Search for long-lived, multi-charged particles in pp collisions at √s = 7 TeV using the ATLAS detector

Pavel Strachota, Sahal Yacoob, R. Van Berg, 2013 .

Search for direct top squark pair production in events with a Z boson, b -jets and missing transverse momentum in s=8 TeV pp collisions with the ATLAS detector

P. Catastini, A. Bocci, W. Bhimji, 2014, 1403.5222.

Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in $$\sqrt{\varvec{s}} = 8$$s=8 TeV $$\varvec{pp}$$pp collisions with the ATLAS detector

P. Catastini, J. Caudron, A. Bocci, 2015 .

Pion and proton showers in the CALICE scintillator-steel analogue hadron calorimeter

A. Ribon, L. Mirabito, B. Lutz, 2014, 1412.2653.

Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run 2 data collected in 2015 and 2016

J. Caudron, A. Bethani, A. Bocci, 2018, The European Physical Journal C.

Search for quark contact interactions in dijet angular distributions in pp collisions at √s = 7 TeV measured with the ATLAS detector

Pavel Strachota, R. Van Berg, Yasuyuki Okumura, 2010 .

Search for W W/W Z resonance production in ℓνqq final states in pp collisions at s=13$$ \sqrt{s}=13 $$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018 .

Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in pp collisions at √s = 8 TeV with the ATLAS detector

Sahal Yacoob, Christian Gumpert, Elmar Ritsch, 2015 .

Measurements of b-jet tagging efficiency with the ATLAS detector using tt¯$$ t\overline{t} $$ events at s=13$$ \sqrt{s}=13 $$ TeV

J. Caudron, A. Bethani, A. Bocci, 2018, Journal of High Energy Physics.

Measurements of inclusive and differential fiducial cross-sections of tt¯$$ t\overline{t} $$ production with additional heavy-flavour jets in proton-proton collisions at s$$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018 .

A strategy for a general search for new phenomena using data-derived signal regions and its application within the ATLAS experiment

J. Caudron, A. Bethani, A. Bocci, 2018, 1807.07447.

Search for doubly charged Higgs boson production in multi-lepton final states with the ATLAS detector using proton–proton collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepac

J. Caudron, A. Bethani, A. Bocci, 2017, The European Physical Journal. C, Particles and Fields.

Hadron shower decomposition in the highly granular CALICE analogue hadron calorimeter

A. Ribon, L. Mirabito, B. Lutz, 2016, 1602.08578.

Search for WZ resonances in the fully leptonic channel using pp collisions at s=8 TeV with the ATLAS detector

Sahal Yacoob, J. Jentzsch, Christian Gumpert, 2014 .

Construction and Commissioning of the CALICE Analog Hadron Calorimeter Prototype

N. Shumeiko, B. Lutz, E. Norbeck, 2010, 1003.2662.

Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek}

P. Catastini, A. Bocci, W. Bhimji, 2014, Journal of High Energy Physics.

Performance of the ATLAS electromagnetic calorimeter end-cap module 0

F. Orsini, A. Bazan, Isabelle Wingerter-Seez, 2003 .

Search for pair production of Higgsinos in final states with at least three b -tagged jets in s=13 TeV pp collisions using the ATLAS detector

Marcia Begalli, Christian Gumpert, Elmar Ritsch, 2018, Physical Review D.

Search for long-lived charginos based on a disappearing-track signature in pp collisions at s=13$$ \sqrt{s}=13 $$ TeV with the ATLAS detector

J. Caudron, A. Bethani, A. Bocci, 2018, Journal of High Energy Physics.