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The LHC measurements of the differential cross section of the Drell-Yan process is used to constrain the noncommutative space-time (NCST) phase space. A $\chi^2$ method is utilized to exclude the part of the parameters space which is not…

High Energy Physics - Phenomenology · Physics 2019-09-05 Zahra Rezaei , Saeid Paktinat Mehdiabadi

The double-differential inclusive di-jet cross section in photoproduction processes is measured with the H1 detector at HERA. The cross section is determined as a function of the average transverse jet energy E_T^jets for ranges of the…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

Precision tests of the Standard Model in the Strong and Electroweak sectors play an important role, among the physics goals of LHC experiments. Because of the nature of proton-proton processes, observables based on the measurement of the…

High Energy Physics - Phenomenology · Physics 2017-03-08 E. Richter-Was , Z. Was

Dilepton and photon production in heavy-ion collisions at SPS energies is studied in the relativistic transport model that incorporates self-consistently the change of hadron masses in dense matter. It is found that the dilepton spectra in…

Nuclear Theory · Physics 2007-05-23 G. Q. Li , G. E. Brown , C. Gale , C. M. Ko

We study the signature of dilepton and a hard jet ($\ell^+\ell^-j$) via heavy new gauge boson production in split universal extra dimension scenario where the Kaluza-Klein parity is conserved but the Kaluza-Klein number is not. A hard cut…

High Energy Physics - Phenomenology · Physics 2013-01-29 Swarup Kumar Majee , Seong Chan Park

We study the inclusion of $\mathcal O(1/\Lambda^4)$ effects in the Standard Model Effective Field Theory in fits to the current Drell-Yan data at the LHC. Our analysis includes the full set of dimension-6 and dimension-8 operators…

High Energy Physics - Phenomenology · Physics 2022-05-11 Radja Boughezal , Emanuele Mereghetti , Frank Petriello

We study the sensitivity of top pair production with six-fermion decay at the LHC to the presence and nature of an underlying Z' boson, accounting for full tree-level Standard Model ttbar interference, with all intermediate particles…

High Energy Physics - Phenomenology · Physics 2016-10-14 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

The energy loss effect in nuclear matter, which is another nuclear effect apart from the nuclear effect on the parton distribution as in deep inelastic scattering process, can be measured best by the nuclear dependence of the high energy…

High Energy Physics - Phenomenology · Physics 2009-12-30 Chun-Gui Duan , Li-Hua Song , Li-Juan Huo , Guang-Lie Li

The potential of the LHeC, a future electron-proton collider, for precision Deep Inelastic Scattering measurements is reviewed with particular emphasis on the reduction of uncertainties on the parton distribution functions (PDFs) of the…

High Energy Physics - Phenomenology · Physics 2019-08-14 A. M. Cooper-Sarkar

This paper describes a strategy for a general search used by the ATLAS Collaboration to find potential indications of new physics. Events are classified according to their final state into many event classes. For each event class an…

High Energy Physics - Experiment · Physics 2019-02-19 ATLAS Collaboration

We study constraints on new physics from Higgs production at the LHC in the context of an effective field theory (EFT), focusing on Higgs searches in $HV$ ($V=W,Z$) associated production which are particularly sensitive to the high-energy…

High Energy Physics - Phenomenology · Physics 2015-04-01 Anke Biekoetter , Alexander Knochel , Michael Kraemer , Da Liu , Francesco Riva

A search for narrow resonances at high mass in the dimuon and dielectron channels has been performed by the CMS experiment at the CERN LHC, using pp collision data recorded at sqrt{s}=7 TeV. The event samples correspond to an integrated…

High Energy Physics - Experiment · Physics 2019-08-13 Vladlen Timciuc

TeV scale new Physics, e.g., Large Extra Dimensions or Models with anomalous triple vector boson couplings, can lead to excesses in various kinematic regions on the semi-leptonic productions of pp -> WW -> lvjj at the CERN LHC, which,…

High Energy Physics - Phenomenology · Physics 2013-05-30 Shuai Liu , Yajun Mao , Yong Ban , Pietro Govoni , Qiang Li , Chayanit Asawatangtrakuldee , Zijun Xu

The cross section of the diffractive Drell-Yan (DY) process, pp->(l-lbar X)p, where the system (l-lbar X) is separated by a large rapidity gap from the recoil proton, is calculated in the light-cone dipole approach. This process reveals…

High Energy Physics - Phenomenology · Physics 2013-05-29 B. Z. Kopeliovich , I. K. Potashnikova , I. Schmidt , A. B. Tarasov

We study the effects of dimension-8 operators on Drell-Yan production of lepton pairs at the Large Hadron Collider (LHC). We identify a class of operators that leads to novel angular dependence not accounted for in current analyses. The…

High Energy Physics - Phenomenology · Physics 2020-08-26 Simone Alioli , Radja Boughezal , Emanuele Mereghetti , Frank Petriello

Precision determinations of Standard Model (SM) Electro-Weak (EW) parameters at the Large Hadron Collider (LHC) are dominated by uncertainties due to Parton Distribution Functions (PDFs). Reweighting and profiling techniques are routinely…

High Energy Physics - Phenomenology · Physics 2021-05-26 Juri Fiaschi , Francesco Giuli , Francesco Hautmann , Stefano Moretti

The LHC discovery potential of heavy top partners decaying into a top quark and a $Z$ boson is studied in the trilepton channel at $\sqrt{s}=13$ TeV. The clean multilepton final state allows to strongly reduce the background contaminations…

High Energy Physics - Phenomenology · Physics 2015-02-11 Lorenzo Basso , Jeremy Andrea

We study the indirect effects of New Physics in the Higgs decay into four charged leptons, using an Effective Field Theory (EFT) approach to Higgs interactions. We evaluate the deviations induced by the EFT dimension-six operators in…

High Energy Physics - Phenomenology · Physics 2018-02-14 S. Boselli , C. M. Carloni Calame , G. Montagna , O. Nicrosini , F. Piccinini , A. Shivaji

We first review the general framework which enables one to resum high-energy logarithms in hadronic processes, both in the evolution of parton densities and in the coefficient functions. We then present an all-order calculation in…

High Energy Physics - Phenomenology · Physics 2010-11-26 Simone Marzani

We describe a method for interpreting trilepton searches at high energy colliders in a model-independent fashion and apply it to the recent searches at the Tevatron. The key step is to recognize that the trilepton signature is comprised of…

High Energy Physics - Phenomenology · Physics 2015-05-13 Sourabh Dube , Julian Glatzer , Sunil Somalwar , Alexander Sood , Scott Thomas