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Related papers: Hybrid Meson Structure at COMPASS

200 papers

COMPASS is a fixed target experiment at CERN. Part of its physics programme is dedicated to study the transverse spin and the transverse momentum structure of the nucleon using SIDIS. For these measurements, data have been collected using…

High Energy Physics - Experiment · Physics 2014-12-16 Nour Makke

The GlueX experiment at Jefferson Lab aims to study the light meson spectrum with an emphasis on the search for hybrid mesons. To this end, a linearly-polarized $9\,$GeV photon beam impinges on a hydrogen target contained within a detector…

Nuclear Experiment · Physics 2020-08-26 A. Austregesilo

The purpose of the ALICE experiment at the LHC is the study of the Quark Gluon Plasma (QGP) formed in ultra-relativistic heavy-ion collisions, a state of matter in which quarks and gluons are deconfined. The properties of this state of…

High Energy Physics - Experiment · Physics 2019-08-13 L. Massacrier

A future $e^+e^-$ collider could run at the Z-pole to perform important electroweak (EW) precision measurements, while such a run may not be viable for a future muon collider. This however can be compensated by the measurements of other EW…

High Energy Physics - Phenomenology · Physics 2025-10-01 Hao-Qiao Li , Hai-Ning Yan , Jiayin Gu , Xiao-Ze Tan

We investigate CP-violating effects in electroweak interactions at future high-energy muon colliders within the Standard Model Effective Field Theory (SMEFT) framework. Focusing on four dimension-six CP-odd operators -- $…

High Energy Physics - Phenomenology · Physics 2026-03-02 Qing-Hong Cao , Jian-Nan Ding , Yandong Liu , Jin-Long Yuan

The study of hyperon resonances has entered a new era of precision with advent of high-statistics photoproduction data from the CLAS detector at Jefferson Lab. These data have multi-particle final states, allowing clean identification of…

Nuclear Experiment · Physics 2015-05-20 K. Hicks , D. Keller , W. Tang

An important approach to studying high-energy cosmic rays is the investigation of the properties of extensive air showers; however, the lateral distribution of particles in simulations of such showers strongly depends on the applied model…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Marek Szuba

We propose here a proposal to connect neutrino and energy frontiers, by exploiting collimated muon beams for neutrino oscillations, which generate symmetric neutrino and antineutrino sources: $\mu^+\rightarrow e^+\,\bar{\nu}_{\mu}\,…

High Energy Physics - Phenomenology · Physics 2023-10-31 Alim Ruzi , Tianyi Yang , Dawei Fu , Sitian Qian , Leyun Gao , Qiang Li

Multi-TeV muon colliders promise an unprecedented potential for exploring the particle-physics energy frontier, and, at the same time, can probe with fantastic accuracy the precise structure of the Standard Model, and in particular of the…

High Energy Physics - Phenomenology · Physics 2024-06-07 Mauro Chiesa , Barbara Mele , Fulvio Piccinini

This analysis presents an observation of the photon-fusion production of W boson pairs using the CMS detector at the LHC. The total cross section of the W$^+$W$^-$ production in photon fusion is measured using proton-proton collision data…

High Energy Physics - Experiment · Physics 2026-01-30 CMS Collaboration

This paper describes dynamic and thermodynamic (at $T=0$) properties of mesons in asymmetric matter in the framework of Chiral Perturbation Theory. We consider a mesonic system at vanishing temperature with nonzero isospin chemical…

High Energy Physics - Phenomenology · Physics 2017-06-19 Andrea Mammarella

Besides continued work on the parameters of a 3-4 and 0.5 TeV CoM collider, many studies are now concentrating on a machine near 100 GeV that could be a factory for the s-channel production of Higgs particles. We mention the research on the…

Accelerator Physics · Physics 2007-05-23 R. Palmer , A. Sessler , A. Tollestrup , J. Gallardo

The first five years of operation of the multi-purpose experiments ZEUS and H1 at the electron-proton storage ring facility HERA have opened a new era in the study of vector-meson production in high-energy photon-proton interactions. The…

High Energy Physics - Experiment · Physics 2009-09-25 J. A. Crittenden

One of the main goals of the COMPASS experiment at CERN is the determination of the gluon polarisation in the nucleon, DeltaG/G. It is extracted from the spin asymmetry in the scattering of a polarized 160 GeV muon beam on a polarized LiD…

High Energy Physics - Experiment · Physics 2007-05-23 S. Procureur

The COMPASS experiment at the CERN SPS features good charged particle tracking and coverage by electromagnetic calorimetry, and our data provide excellent opportunity for simultaneous observation of new states in two different decay modes…

High Energy Physics - Experiment · Physics 2019-08-13 Frank Nerling

Recent measurements of electroweak phenomena from the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider are summarized. The standard model of particle physics was tested through highly precise determinations of its key…

High Energy Physics - Experiment · Physics 2026-03-16 Cristina-Andreea Alexe

In this paper, we present an analysis of coincident particle production in ultraperipheral heavy ion collisions. In particular, we present the first detailed and differential predictions for coincident $\rho^0$ meson production in…

High Energy Physics - Phenomenology · Physics 2025-06-24 L. A. Harland-Lang

The production of new spin-1 chiral bosons at the hadron colliders, the Fermilab Tevatron and the CERN LHC, is considered. The masses of the chiral bosons can be determined on the basis of experimental data of precise low-energy…

High Energy Physics - Phenomenology · Physics 2007-09-19 Mihail V. Chizhov

The sPHENIX experiment is a next-generation collider detector at the Relativistic Heavy Ion Collider (RHIC) designed for rare jet and heavy-flavor probes of Au + Au, $p$ + Au, and polarized $p+p$ collisions. The experiment includes a large…

Nuclear Experiment · Physics 2025-11-04 Gregory Mattson

Experiments that study the hadronic and electromagnetic production of the pseudoscalar mesons -- pions, etas and kaons, contribute to our knowledge of the properties of baryon and hyperon resonances. Fixed-target programs at hadronic…

Nuclear Experiment · Physics 2011-07-19 W. J. Briscoe , R. A. Arndt , I. I. Strakovsky , R. L. Workman