Spin density matrix elements in exclusive ω meson muoproduction; European Physical Journal C; Vol. 81, iss. 2

Spin density matrix elements in exclusive ω meson muoproduction; European Physical Journal C; Vol. 81, iss. 2

Xehetasun bibliografikoak
Parent link:	European Physical Journal C Vol. 81, iss. 2.— 2021.— [126, 22 p.]
Egile korporatiboa:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Школа базовой инженерной подготовки Отделение математики и информатики
Beste egile batzuk:	Alekseev G. D. Georgy Dmitrievich, Alekseev M. G. Maksim, Donskov S. V. Sergey Vasiljevich, Burtsev V. E. Vitaly Evgenjevich, Chumakov A. G. Aleksandr Grigorjevich, Dusaev R. R. Renat Ramilyevich, Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich, Mamon S. A. Sergey Aleksandrovich, Vasilishin B. I. Bogdan Ivanovich
Gaia:	Title screen We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive ωω meson muoproduction on the proton at COMPASS using 160 GeV/c polarised μ+ and μ− beams impinging on a liquid hydrogen target. The measurement covers the range 5.0 GeV/c2 <W< 17.0 GeV/c2, with the average kinematics ⟨Q2⟩= 2.1 (GeV/c)2, ⟨W⟩=7.6⟨W⟩=7.6 GeV/c2, and ⟨p2T⟩=0.16 (GeV/c)2. Here, Q2 denotes the virtuality of the exchanged photon, W the mass of the final hadronic system and pT the transverse momentum of the ωω meson with respect to the virtual-photon direction. The measured non-zero SDMEs for the transitions of transversely polarised virtual photons to longitudinally polarised vector mesons (γ∗T→VL) indicate a violation of s-channel helicity conservation. Additionally, we observe a sizeable contribution of unnatural-parity-exchange (UPE) transitions that decreases with increasing W. The results provide important input for modelling Generalised Parton Distributions (GPDs). In particular, they may allow to evaluate in a model-dependent way the contribution of UPE transitions and assess the role of parton helicity-flip GPDs in exclusive ω production.
Hizkuntza:	ingelesa
Argitaratua:	2021
Gaiak:	электронный ресурс труды учёных ТПУ
Sarrera elektronikoa:	https://doi.org/10.1140/epjc/s10052-020-08740-y
Formatua:	Baliabide elektronikoa Liburu kapitulua
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668070

Antzeko izenburuak

Tensor analyzing power in exclusive pi- -meson photoproduction on deuteron; Spin 2004
nork: Stibunov V. N. Victor Nikolaevich
Argitaratua: (2004)

Tensor analyzing power in exclusive pi- -meson photoproduction on deuteron; Spin 2004
nork: Stibunov V. N. Victor Nikolaevich
Argitaratua: (2005)

Measurement of spin density matrix elements in Λ(1520) photoproduction at 8.2-8.8 GeV; Physical Review C; Vol. 105, iss. 3
Argitaratua: (2022)

Measurement of the cross section for hard exclusive pi0 muoproduction on the proton; Physics Letters B; Vol. 805
Argitaratua: (2020)

Generalized spinning particles on S2 in accord with the Bianchi classification; European Physical Journal C; Vol. 81, iss. 3
nork: Galajinsky A. V. Anton Vladimirovich
Argitaratua: (2021)

Measurement of a double spin asymmetry in the photoproduction of π−π−-mesons on deuterons; The European Physical Journal A; Vol. 54, iss. 10
Argitaratua: (2018)

Observation of excited Ω0c baryons in Ω−b→Ξ+cK−π− decays; Physical Review D; Vol. 104, iss. 9
Argitaratua: (2021)

Study of tensor analysing component T21 for the pi-meson photoproduction on the deuteron; Spin 2010
Argitaratua: (2010)

Measurement of the Ω0c Baryon Lifetime; Physical Review Letters; Vol. 121, iss. 9
Argitaratua: (2018)

The contribution of multi-channel pion-pion scatteringto the final states of γ-meson family decays; European Physical Journal Web of Conferences; Vol. 81 : MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
Argitaratua: (2015)

The tenzor analysing power component T21 of exlusive meson photoproduction on deuteron in the resonance region; Spin physics
Argitaratua: (2009)

Measurement of the lifetimes of promptly produced Ω0c and Ξ0c baryons; Science Bulletin; Vol. 67, iss. 5
Argitaratua: (2022)

Level densities of dinuclear systems; The European Physical Journal A; Vol. 52, iss. 12
Argitaratua: (2016)

Lepton flavor violating decays of vector mesons; Physical Review D; Vol. 81, iss. 3
Argitaratua: (2010)

Observation of new excited B0s states; The European Physical Journal C; Vol. 81, iss. 7
Argitaratua: (2021)

Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at √ s =13 TeV; Journal of High Energy Physics; № 10
Argitaratua: (2018)

Study of central exclusive production in proton-proton collisions at s√=5.02s=5.02 and 13TeV; European Physical Journal C; Vol. 80, iss. 8
Argitaratua: (2020)

Efficient Synthesis of ω‐[18F]Fluoroaliphatic Carboxylic Esters and Acids for Positron Emission Tomography; European Journal of Organic Chemistry; Vol. 2020, iss. 40
Argitaratua: (2020)

Measurement of the energy density as a function of pseudorapidity in proton-proton collisions at √s=13TeV; European Physical Journal C; Vol. 79, iss. 5
Argitaratua: (2019)

Measurement of exclusive Υ photoproduction from protons in ppPb collisions at √sNN=5.02TeV; European Physical Journal C; Vol. 79, iss. 3
Argitaratua: (2019)

Precision measurement of the B+c meson mass; Journal of High Energy Physics; Vol. 2020, iss. 7
Argitaratua: (2020)

Measurement of the branching fraction of the B0→D+sπ− decay; The European Physical Journal C; Vol. 81, iss. 4
Argitaratua: (2021)

Size Exclusion Chromatography
nork: Mori S. Sadao
Argitaratua: (Berlin, Springer-Verlag, 1999)

Search for long-lived particles decaying to e± μ∓μ∓ ν; The European Physical Journal C; Vol. 81, iss. 3
Argitaratua: (2021)

The Exclusions of Civilization Indigenous Peoples in the Story of International Society /
nork: Pearcey, Mark
Argitaratua: (2016)

Search for the doubly heavy baryons Ω0bc and Ξ0bc decaying to Λ0cπ- and Ξ+cπ-; Chinese Physics C; Vol. 45, iss. 9
Argitaratua: (2021)

Reversible pH-sensitive element based on bromocresol purple immobilized into the polymethacrylate matrix; Mendeleev Communications; Vol. 28, iss. 4
Argitaratua: (2018)

Social Exclusion Psychological Approaches to Understanding and Reducing Its Impact /
Argitaratua: (2016)

Measurement of exclusive ρ(770)0ρ(770)0 photoproduction in ultraperipheral pPb collisions at √Snn =5.02TeV; European Physical Journal C; Vol. 79, iss. 8
Argitaratua: (2019)

Contemporary Discourses in Social Exclusion
Argitaratua: (2022)

Partial-wave analysis for photoproduction of pseudoscalar mesons with truncation in total angular momentum; European Physical Journal A; Vol. 60, iss. 8
nork: Fiks (Fix) A. I. Alexander Ivanovich
Argitaratua: (2024)

F₀(980)-meson as a KK molecule in a phenomenological Lagrangian approach; The European Physical Journal A; Vol. 37, iss. 3
nork: Branz T.
Argitaratua: (2008)

First Observation of Excited Ω−b States; Physical Review Letters; Vol. 124, iss. 8
Argitaratua: (2020)

Rethinking Vulnerability and Exclusion Historical and Critical Essays /
Argitaratua: (2021)

Role of the ρ meson in the description of pion electroproduction experiments; Physical Review C; Vol. 76, iss. 2
Argitaratua: (2007)

Development and validation of HERWIG 7 tunes from CMS underlying-event measurements; European Physical Journal C; Vol. 81, iss. 4
Argitaratua: (2021)

Spinning into Control Improvising the Sustainable Startup /
nork: Kornel, Amiel
Argitaratua: (2018)

MUSiC: a model-unspecific search for new physics in proton-proton collisions at √s=13TeV; European Physical Journal C; Vol. 81, iss. 7
Argitaratua: (2021)

The New Futures of Exclusion Life in the Covid-19 Aftermath /
nork: Briggs, Daniel, et al.
Argitaratua: (2023)

Updated search for B+cBc+ decays to two charm mesons; Journal of High Energy Physics; Vol. 2021, iss. 12
Argitaratua: (2021)