Related papers: Soft QCD from ATLAS and CMS

Measurements of normalized differential cross-sections for ttbar production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

Measurements of normalized differential cross-sections for top-quark pair production are presented as a function of the top-quark transverse momentum, and of the mass, transverse momentum, and rapidity of the ttbar system, in proton--proton…

High Energy Physics - Experiment · Physics 2014-10-22 ATLAS Collaboration

Multifractal behaviour in multiparticle production in $pp$ collisions at $\sqrt{s}=$ 0.9, 7 and 8 TeV from the CMS experiment

Multifractal analysis was performed on $pp$ collision data at $\sqrt{s}=$ 0.9, 7 and 8 TeV from the CMS experiment at CERN. The data was obtained and processed from the CERN Open Data Portal. Vertical analysis was used to compute the…

High Energy Physics - Phenomenology · Physics 2022-01-21 Z. Ong , P. Agarwal , H. W. Ang , A. H. Chan , C. H. Oh

Measurement of the inclusive isolated-photon cross section in $pp$ collisions at $\sqrt{s}=13$ TeV using 36 fb$^{-1}$ of ATLAS data

The differential cross section for isolated-photon production in $pp$ collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb$^{-1}$. The differential cross…

High Energy Physics - Experiment · Physics 2019-10-24 ATLAS Collaboration

Soft and semihard components of multiplicity distributions in the $k_T$ factorization approach

Particle production in hadronic collisions can be studied in the low-momentum (soft) and high-momentum (hard) transfer regimes. While the latter can be well understood with in perturbative QCD the former contains non-perturbative effects…

High Energy Physics - Phenomenology · Physics 2025-06-23 H. R. Martins-Fontes , F. S. Navarra

Charged-particle distributions at low transverse momentum in $\sqrt{s}$=13 TeV pp interactions measured with the ATLAS detector at the LHC

Measurements of distributions of charged particles produced in proton-proton collisions with a centre-of-mass energy of 13 TeV are presented. The data were recorded by the ATLAS detector at the LHC and correspond to an integrated luminosity…

High Energy Physics - Experiment · Physics 2016-09-22 ATLAS Collaboration

Measurement of the cross section for inclusive isolated-photon production in $pp$ collisions at $\sqrt s=13$ TeV using the ATLAS detector

Inclusive isolated-photon production in $pp$ collisions at a centre-of-mass energy of 13 TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 3.2 fb$^{-1}$. The cross section is measured as a…

High Energy Physics - Experiment · Physics 2017-07-19 ATLAS Collaboration

Measurement of inclusive jet and dijet production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

Inclusive jet and dijet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. The cross sections were measured using jets clustered with the…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

Study of $\langle p_{\rm T} \rangle$ and its higher moments, and extraction of the speed of sound in Pb-Pb collisions with ALICE

Ultrarelativistic heavy-ion collisions produce a state of hot and dense strongly interacting QCD matter called quark--gluon plasma (QGP). On an event-by-event basis, the volume of the QGP in ultracentral collisions is mostly constant, while…

Nuclear Experiment · Physics 2026-01-14 ALICE Collaboration

Measurement of the production cross-section of $J/\psi$ and $\psi(2$S$)$ mesons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

Measurements of the differential production cross-sections of prompt and non-prompt $J/\psi$ and $\psi(2$S$)$ mesons with transverse momenta between 8 and 360 GeV and rapidity in the range $|y|<2$ are reported. Furthermore, measurements of…

High Energy Physics - Experiment · Physics 2024-02-23 ATLAS Collaboration

Double scattering production of two positron-electron pairs in ultraperipheral heavy-ion collisions

We present first measurable predictions for electromagnetic (two-photon) double scattering production of two positron-electron pairs in ultraperipheral heavy-ion collisions at LHC. Measureable cross sections are obtained with realistic cuts…

Nuclear Theory · Physics 2016-11-09 Mariola Klusek-Gawenda , Antoni Szczurek

Inclusive Production of Charged Hadrons and K_s Mesons in Photon-Photon Collisions

The production of charged hadrons and K_s mesons in the collisions of quasi-real photons has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass energies of 161 and 172 GeV. The differential…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

Phenomenological study of the charged particles production in pPb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV

We have studied transverse momentum ($p_{\rm{T}}$) spectra of charged hadrons in various pseudo-rapidity ranges for p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV. The medium effects such as collective flow and energy loss resulting…

High Energy Physics - Phenomenology · Physics 2024-07-22 Kapil Saraswat , Deependra Singh Rawat , Akash Pandey , Venktesh Singh , H. C. Chandola

Measurement of lepton differential distributions and the top quark mass in $t\bar{t}$ production in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

This paper presents single lepton and dilepton kinematic distributions measured in dileptonic $t\bar{t}$ events produced in 20.2 fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collisions recorded by the ATLAS experiment at the LHC. Both absolute and…

High Energy Physics - Experiment · Physics 2017-12-01 ATLAS Collaboration

Studying the Underlying Event in Drell-Yan and High Transverse Momentum Jet Production at the Tevatron

We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles (transverse momentum pT > 0.5 GeV/c, pseudorapidity |\eta| < 1) produced in association with large transverse momentum jets (~2.2…

High Energy Physics - Experiment · Physics 2012-04-20 The CDF Collaboration , T. Aaltonen , J. Adelman , B. Alvarez Gonzalez , S. Amerio , D. Amidei , A. Anastassov , A. Annovi , J. Antos , G. Apollinari , A. Apresyan , T. Arisawa , A. Artikov , J. Asaadi , W. Ashmanskas , A. Attal , A. Aurisano , F. Azfar , W. Badgett , A. Barbaro-Galtieri , V. E. Barnes , B. A. Barnett , P. Barria , P. Bartos , G. Bauer , P. -H. Beauchemin , F. Bedeschi , D. Beecher , S. Behari , G. Bellettini , J. Bellinger , D. Benjamin , A. Beretvas , D. Berge , A. Bhatti , M. Binkley , D. Bisello , I. Bizjak , R. E. Blair , C. Blocker , B. Blumenfeld , A. Bocci , A. Bodek , V. Boisvert , D. Bortoletto , J. Boudreau , A. Boveia , B. Brau , A. Bridgeman , L. Brigliadori , C. Bromberg , E. Brubaker , J. Budagov , H. S. Budd , S. Budd , K. Burkett , G. Busetto , P. Bussey , A. Buzatu , K. L. Byrum , S. Cabrera , C. Calancha , S. Camarda , M. Campanelli , M. Campbell , F. Canelli , A. Canepa , B. Carls , D. Carlsmith , R. Carosi , S. Carrillon , S. Carron , B. Casal , M. Casarsa , A. Castrocc , P. Catastini , D. Cauz , V. Cavaliere , M. Cavalli-Sforza , A. Cerri , L. Cerrito , S. H. Chang , Y. C. Chen , M. Chertok , G. Chiarelli , G. Chlachidze , F. Chlebana , K. Cho , D. Chokheli , J. P. Chou , K. Chungo , W. H. Chung , Y. S. Chung , T. Chwalek , C. I. Ciobanu , M. A. Ciocci , A. Clark , D. Clark , G. Compostella , M. E. Convery , J. Conway , M. Corbo , M. Cordelli , C. A. Cox , D. J. Cox , F. Crescioli , C. Cuenca Almenar , J. Cuevas , R. Culbertson , J. C. Cully , D. Dagenhart , M. Datta , T. Davies , P. de Barbaro , S. De Cecco , A. Deisher , G. De Lorenzo , M. Dell'Orso , C. Deluca , L. Demortier , J. Deng , M. Deninno , M. d'Errico , A. Di Canto , G. P. di Giovanni , B. Di Ruzza , J. R. Dittmann , M. D'Onofrio , S. Donati , P. Dong , T. Dorigo , S. Dube , K. Ebina , A. Elagin , R. Erbacher , D. Errede , S. Errede , N. Ershaidat , R. Eusebi , H. C. Fang , S. Farrington , W. T. Fedorko , R. G. Feild , M. Feindt , J. P. Fernandez , C. Ferrazza , R. Field , G. Flanagans , R. Forrest , M. J. Frank , M. Franklin , J. C. Freeman , I. Furic , M. Gallinaro , J. Galyardt , F. Garberson , J. E. Garcia , A. F. Garfinkel , P. Garosi , H. Gerberich , D. Gerdes , A. Gessler , S. Giagu , V. Giakoumopoulou , P. Giannetti , K. Gibson , J. L. Gimmell , C. M. Ginsburg , N. Giokaris , M. Giordani , P. Giromini , M. Giunta , G. Giurgiu , V. Glagolev , D. Glenzinski , M. Gold , N. Goldschmidt , A. Golossanov , G. Gomez , G. Gomez-Ceballos , M. Goncharov , O. González , I. Gorelov , A. T. Goshaw , K. Goulianos , A. Gresele , S. Grinstein , C. Grosso-Pilcher , R. C. Group , U. Grundler , J. Guimaraes da Costa , Z. Gunay-Unalan , C. Haber , S. R. Hahn , E. Halkiadakis , B. -Y. Han , J. Y. Han , F. Happacher , K. Hara , D. Hare , M. Hare , R. F. Harr , M. Hartz , K. Hatakeyama , C. Hays , M. Heck , J. Heinrich , M. Herndon , J. Heuser , S. Hewamanage , M. Hickman , D. Hidas , C. S. Hill , D. Hirschbuehl , A. Hocker , S. Hou , M. Houlden , S. -C. Hsu , R. E. Hughes , M. Hurwitz , U. Husemann , M. Hussein , J. Huston , J. Incandela , G. Introzzi , M. Iori , A. Ivanov , E. James , D. Jang , B. Jayatilaka , E. J. Jeon , M. K. Jha , S. Jindariani , W. Johnson , M. Jones , K. K. Joo , S. Y. Jun , J. E. Jung , T. R. Junk , T. Kamon , D. Kar , P. E. Karchin , Y. Kato , R. Kephart , W. Ketchum , J. Keung , V. Khotilovich , B. Kilminster , D. H. Kim , H. S. Kim , H. W. Kim , J. E. Kim , M. J. Kim , S. B. Kim , S. H. Kim , Y. K. Kim , N. Kimura , L. Kirsch , S. Klimenko , K. Kondo , D. J. Kong , J. Konigsberg , A. Korytov , A. V. Kotwal , M. Kreps , J. Kroll , D. Krop , N. Krumnack , M. Kruse , V. Krutelyov , T. Kuhr , N. P. Kulkarni , M. Kurata , S. Kwang , A. T. Laasanen , S. Lami , S. Lammel , M. Lancaster , R. L. Lander , K. Lannon , A. Lath , G. Latino , I. Lazzizzera , T. LeCompte , E. Lee , H. S. Lee , J. S. Lee , S. W. Lee , S. Leone , J. D. Lewis , C. -J. Lin , J. Linacre , M. Lindgren , E. Lipeles , A. Lister , D. O. Litvintsev , C. Liu , T. Liu , N. S. Lockyer , A. Loginov , L. Lovas , D. Lucchesi , J. Lueck , P. Lujan , P. Lukens , G. Lungu , J. Lys , R. Lysak , D. MacQueen , R. Madrak , K. Maeshima , K. Makhoul , P. Maksimovic , S. Malde , S. Malik , G. Manca , A. Manousakis-Katsikakis , F. Margaroli , C. Marino , C. P. Marino , A. Martin , V. Martink , M. Martinez , R. Martinez-Ballarin , P. Mastrandrea , M. Mathis , M. E. Mattson , P. Mazzanti , K. S. McFarland , P. McIntyre , R. McNulty , A. Mehta , P. Mehtala , A. Menzione , C. Mesropian , T. Miao , D. Mietlicki , N. Miladinovic , R. Miller , C. Mills , M. Milnik , A. Mitra , G. Mitselmakher , H. Miyake , S. Moed , N. Moggi , M. N. Mondragon , C. S. Moon , R. Moore , M. J. Morello , J. Morlock , P. Movilla Fernandez , J. Mulmenstadt , A. Mukherjee , Th. Muller , P. Murat , M. Mussini , J. Nachtman , Y. Nagai , J. Naganoma , K. Nakamura , Nakano , A. Napier , J. Nett , C. Neu , M. S. Neubauer , S. Neubauer , J. Nielseng , L. Nodulman , M. Norman , O. Norniella , E. Nurse , L. Oakes , S. H. Oh , Y. D. Oh , I. Oksuzian , T. Okusawa , R. Orava , K. Osterberg , S. Pagan Griso , C. Pagliarone , E. Palencia , V. Papadimitriou , A. Papaikonomou , A. A. Paramanov , B. Parks , S. Pashapour , J. Patrick , G. Pauletta , M. Paulini , C. Paus , T. Peiffer , D. E. Pellett , A. Penzo , T. J. Phillips , G. Piacentino , E. Pianori , L. Pinera , K. Pitts , C. Plager , L. Pondrom , K. Potamianos , O. Poukhov , F. Prokoshin , A. Pronko , F. Ptohos , E. Pueschel , G. Punzi , J. Pursley , J. Rademacker , A. Rahaman , V. Ramakrishnan , N. Ranjan , I. Redondo , P. Renton , M. Renz , M. Rescigno , S. Richter , F. Rimondi , L. Ristori , A. Robson , T. Rodrigo , T. Rodriguez , E. Rogers , S. Rolli , R. Roser , M. Rossi , R. Rossin , P. Roy , A. Ruiz , J. Russ , V. Rusu , B. Rutherford , H. Saarikko , A. Safonov , W. K. Sakumoto , L. Santi , L. Sartori , K. Sato , A. Savoy-Navarro , P. Schlabach , A. Schmidt , E. E. Schmidt , M. A. Schmidt , M. P. Schmidt , M. Schmitt , T. Schwarz , L. Scodellaro , A. Scribano , F. Scuri , A. Sedov , S. Seidel , Y. Seiya , A. Semenov , L. Sexton-Kennedy , F. Sforza , A. Sfyrla , S. Z. Shalhout , T. Shears , P. F. Shepard , M. Shimojima , S. Shiraishi , M. Shochet , Y. Shon , I. Shreyber , A. Simonenko , P. Sinervo , A. Sisakyan , A. J. Slaughter , J. Slaunwhite , K. Sliwa , J. R. Smith , F. D. Snider , R. Snihur , A. Soha , S. Somalwar , V. Sorin , P. Squillacioti , M. Stanitzki , R. St. Denis , B. Stelzer , O. Stelzer-Chilton , D. Stentz , J. Strologas , G. L. Strycker , J. S. Suh , A. Sukhanov , I. Suslov , A. Taffard , R. Takashima , Y. Takeuchi , R. Tanaka , J. Tang , M. Tecchio , P. K. Teng , J. Thom , J. Thome , G. A. Thompson , E. Thomson , P. Tipton , P. Ttito-Guzmán , S. Tkaczyk , D. Toback , S. Tokar , K. Tollefson , T. Tomura , D. Tonelli , S. Torre , D. Torretta , P. Totaro , S. Tourneur , M. Trovato , S. -Y. Tsai , Y. Tu , N. Turiniff , F. Ukegawa , S. Uozumi , N. van Remortel , A. Varganov , E. Vataga , F. Vázquez , G. Velev , C. Vellidis , M. Vidal , I. Vila , R. Vilar , M. Vogel , I. Volobouev , G. Volpi , P. Wagner , R. G. Wagner , R. L. Wagner , W. Wagner , J. Wagner-Kuhr , T. Wakisaka , R. Wallny , S. M. Wang , A. Warburton , D. Waters , M. Weinberger , J. Weinelt , W. C. Wester , B. Whitehouse , D. Whiteson , A. B. Wicklund , E. Wicklund , S. Wilbur , G. Williams , H. H. Williams , M. G. Wilson , P. Wilson , B. L. Winer , P. Wittich , S. Wolbers , C. Wolfe , H. Wolfe , T. Wright , X. Wu , F. Würthwein , A. Yagil , K. Yamamoto , J. Yamaoka , U. K. Yang , Y. C. Yang , W. M. Yao , G. P. Yeh , K. Yio , J. Yoh , K. Yorita , T. Yoshidal , G. B. Yu , I. Yu , S. S. Yu , J. C. Yun , A. Zanetti , Y. Zeng , X. Zhang , Y. Zheng , S. Zucchelli

Study of ordered hadron chains with the ATLAS detector

The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD…

High Energy Physics - Experiment · Physics 2018-01-12 ATLAS Collaboration

Recent investigations of QCD at HERA

The latest results from the H1 and ZEUS collaborations which challenge the QCD description of high energy $ep$ collisions are presented. Data from HERA continue to provide precision measurements and are compared to the latest theoretical…

High Energy Physics - Experiment · Physics 2017-07-18 Matthew Wing

Strange and Multi-Strange Particle Production in ALICE

The production of strange and multi-strange hadrons in proton-proton (pp) and lead-lead (Pb-Pb) collisions is studied with the ALICE experiment at the CERN LHC. These particles are reconstructed via their weak decay topologies, exploiting…

High Energy Physics - Experiment · Physics 2019-08-13 D. D. Chinellato

Revisiting the soft-hard separation in the transverse momentum spectra of $pp$ collisions

We study the separation of soft and hard components in the transverse momentum spectra of charged particles as measured by ALICE in proton-proton collisions at $\sqrt{s}= 2.76 TeV, 5.02 TeV and 13 TeV at the LHC. The soft component is…

High Energy Physics - Phenomenology · Physics 2025-10-14 Gábor Bíró , Guy Paić , Leonid Serkin , Gergely Gábor Barnaföldi

Study of the underlying event at forward rapidity in pp collisions at sqrt(s) = 0.9, 2.76, and 7 TeV

The underlying event activity in proton-proton collisions at forward pseudorapidity (-6.6 < eta < -5.2) is studied with the CMS detector at the LHC, using a novel observable: the ratio of the forward energy density, dE/d(eta), for events…

High Energy Physics - Experiment · Physics 2013-05-30 CMS Collaboration

Hard scattering in high-energy QCD

I review the recent results in the field of QCD at high energy presented to this Conference. In particular, I will concentrate on measurements of $\as$ from studies of event structures and jet rates, jet production in hadronic collisions,…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. L. Mangano