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相关论文: New Physics Through Drell Yan SMEFT Measurements a…

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We present a global analysis of lepton-flavor-specific operators in the Standard Model Effective Field Theory (SMEFT), combining data from collider and flavor physics experiments. We systematically explore various lepton-flavor scenarios,…

高能物理 - 唯象学 · 物理学 2025-11-11 Cornelius Grunwald , Gudrun Hiller , Kevin Kröninger , Lara Nollen

We perform a model-independent analysis of top-philic New Physics scenarios, under the assumption that only effective operators involving top quarks are generated at tree level. Within the SMEFT framework, we derive indirect constraints on…

高能物理 - 唯象学 · 物理学 2024-02-20 Francesco Garosi , David Marzocca , Antonio Rodríguez Sánchez , Alfredo Stanzione

This thesis explores two different avenues aimed at improving our ability to calculate reliably in the Standard Model of particle physics and probing possible new particles which may exist beyond it. In the first part, we explore whether…

高能物理 - 唯象学 · 物理学 2007-05-23 Christopher Lee

We present a detailed comparison of the fixed-order predictions computed by four publicly available computer codes for Drell-Yan processes at the LHC and Tevatron colliders. We point out that while there is agreement among the predictions…

高能物理 - 唯象学 · 物理学 2021-07-21 S. Alekhin , A. Kardos , S. Moch , Z. Trócsányi

Fermilab Experiment 866 has performed an absolute measurement of continuum dimuon (Drell-Yan) cross sections in 800-GeV/c $pp$ and $pd$ interactions. Results differential in the mass, Feynman-$x$ ($x_F$) and transverse momenta ($p_T$) of…

高能物理 - 实验 · 物理学 2007-05-23 Jason C. Webb

The measurement of Standard Model processes tests the validity of the model at a given scale and is simultaneously sensitive to new physics through loop effects or interference with the Standard Model amplitudes. A variety of studies has…

高能物理 - 唯象学 · 物理学 2007-05-23 K. Moenig

The Standard Model Effective Field Theory (SMEFT) provides a powerful theoretical framework for searching for subtle deviations from the Standard Model. In this talk, we present the results from a global fit of the dimension-6 operators of…

高能物理 - 唯象学 · 物理学 2022-12-02 Maeve Madigan

The Standard Model Effective Field Theory (SMEFT) provides a robust framework for probing deviations in the couplings of Standard Model particles from their theoretical predictions. This framework relies on an expansion in…

高能物理 - 唯象学 · 物理学 2025-01-22 Nilabhra Adhikary , Tisa Biswas , Joydeep Chakrabortty , Christoph Englert , Michael Spannowsky

We reconsider the complete set of four-quark operators in the Weak Effective Theory (WET) for non-leptonic $\Delta F=1$ decays that govern $s\to d$ and $b\to d, s$ transitions in the Standard Model (SM) and beyond, at the Next-to-Leading…

高能物理 - 唯象学 · 物理学 2021-12-22 Jason Aebischer , Christoph Bobeth , Andrzej J. Buras , Jacky Kumar , Mikołaj Misiak

We present a comprehensive analysis of electroweak, flavor, and collider bounds on the complete set of dimension-six SMEFT operators in the $U(2)^5$-symmetric limit. This operator basis provides a consistent framework to describe a wide…

高能物理 - 唯象学 · 物理学 2023-12-05 Lukas Allwicher , Claudia Cornella , Gino Isidori , Ben A. Stefanek

The effects of the soft gluon emission in hard scattering processes at the phase boundary are resummed in the soft-collinear effective theory (SCET). In SCET, the soft gluon emission is decoupled from the energetic collinear part, and is…

高能物理 - 唯象学 · 物理学 2009-11-10 Junegone Chay , Chul Kim , Yeong Gyun Kim , Jong-Phil Lee

We compute the one-loop corrections to $Z$ decay properties from dimension-6 operators in the Standard Model Effective Field Theory (SMEFT) that contribute also to anomalous 3-gauge boson couplings and examine the relative sensitivity of…

高能物理 - 唯象学 · 物理学 2018-11-14 Sally Dawson , Ahmed Ismail

The Drell-Yan massive dilepton production in hadron-hadron collisions provides a unique tool, complementary to Deep Inelastic Scattering, for improving our understanding of hadronic substructure and in particular for testing parton…

高能物理 - 唯象学 · 物理学 2016-03-15 Eduardo Basso , Claude Bourrely , Roman Pasechnik , Jacques Soffer

We suggest the measurement of Drell-Yan (DY) lepton pairs in p-Pb collisions at the LHC (sqrt(s)=5.02 TeV) in order to disentangle the relative contributions of shadowing and coherent energy loss in quarkonium production off nuclei. The…

高能物理 - 唯象学 · 物理学 2017-02-01 François Arleo , Stéphane Peigné

If the dynamics behind EWSB are of strongly-coupled nature, the Standard Model ceases to be renormalizable and should be instead understood as an effective field theory (EFT). Here I will discuss the systematics behind this effective field…

高能物理 - 唯象学 · 物理学 2013-05-24 Oscar Cata

The production of Drell-Yan pairs in the double polarized mode of HERA-$\vec{{\rm N}}$ is studied at next-to-leading order in QCD. It is found that a measurement of this observable could yield vital information on the polarization of the…

高能物理 - 唯象学 · 物理学 2007-05-23 T. Gehrmann , W. J. Stirling

The Standard Model Effective Field Theory (SMEFT) offers a systematic approach to study potential deviations from the Standard Model (SM) through higher-dimensional operators that encapsulate new physics effects. In this work, we analyze…

高能物理 - 唯象学 · 物理学 2025-03-06 Luca Mantani , Veronica Sanz

We present predictions for the non-singlet Drell-Yan longitudinal spin cross sections and spin asymmetry, $A_{LL}$, in proton-proton collisions at large $p_T$ at the RHIC energy of $200\gev$ at next-to-leading order QCD. The higher order…

高能物理 - 唯象学 · 物理学 2014-11-17 Sanghyeon Chang , Claudio Coriano , R. D. Field

We propose to perform measurements of asymmetries of the Drell-Yan (DY) pairs production in collisions of non-polarized, longitudinally and transversally polarized protons and deuterons which provide an access to all leading twist collinear…

This paper presents a measurement of the triple-differential cross section for the Drell--Yan process $Z/\gamma^*\rightarrow \ell^+\ell^-$ where $\ell$ is an electron or a muon. The measurement is performed for invariant masses of the…

高能物理 - 实验 · 物理学 2018-02-12 ATLAS Collaboration