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We investigate the spin polarization of \tau^{\pm} leptons produced in \nu_{\tau} and \bar{\nu}_{\tau} nucleon scattering via charged currents. Quasi-elastic scattering, \Delta resonance production and deep inelastic scattering processes…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. Hagiwara , K. Mawatari , H. Yokoya

A study of strange particle production in muon neutrino charged current interactions has been performed using the data from the NOMAD experiment. Yields of neutral strange particles K0s, Lambda, AntiLambda have been measured. Mean…

High Energy Physics - Experiment · Physics 2012-08-27 the NOMAD Collaboration

In 2022, the COMPASS collaboration performed semi-inclusive measurements of deep-inelastic muon-scattering on a transversely polarised deuteron (6LiD) target. From these data, transverse-spin-dependent dihadron asymmetries are extracted…

High Energy Physics - Experiment · Physics 2025-12-30 G. D. Alexeev , M. G. Alexeev , C. Alice , A. Amoroso , V. Andrieux , V. Anosov , S. Asatryan , K. Augsten , W. Augustyniak , C. D. R. Azevedo , B. Badelek , R. Beck , J. Beckers , Y. Bedfer , V. Benesova , J. Bernhard , F. Bradamante , A. Bressan , W. -C . Chang , C. Chatterjee , M. Chiosso , S. -U. Chung , A. Cicuttin , M. L. Crespo , D. D'Ago , S. Dalla Torre , S. S. Dasgupta , S. Dasgupta , M. Dehpour , F. Delcarro , I. Denisenko , O. Yu. Denisov , S. V. Donskov , N. Doshita , Ch. Dreisbach , W. Dün nweber , R. R. Dusaev , D. Ecker , P. Faccioli , M. Faessler , M. Finger , M. Finger , H. Fischer , K. J. Flöthner , W. Florian , J. M. Friedrich , V. Frolov , L. G. Garcia Ordòñez , O. P. Gavrichtchouk , S. Gerassimov , J. Giarra , D. Giordan o , A. Grasso , A. Gridin , M. Grosse Perdekamp , B. Grube , M. Grüner , A. Guskov , P. Haas , D. von Harrach , M. Hoffmann , A. Hoghmrtsyan , N. d'Hose , C. -Y. Hsieh , S. Ishimoto , A. Ivanov , T. Iwata , V. Jary , E. Jelinkova , R. Joosten , E. Kabuß , F. Kaspar , A. Kerbizi , B. Ketzer , G. V. Khaustov , T. Klasek , J. H. Koivuniemi , V. N. Kolosov , K. Kondo Horikawa , I. Konorov , A. Yu. Korzenev , A. M. Kotzinian , O. M. Kouznetsov , A. Koval , F. Kunne , K. Kurek , R. P. Kurjata , A. Kveton , K. Lavickova , S. Levorato , Y. -S. Lian , J. Lichtenstadt , P. -J. Lin , R. Longo , V. E. Lyubovitskij , A. Maggiora , N. Makke , G. K. Mallot , A. Maltsev , A. Martin , H. Marukyan , J. Marzec , J. Matoušek , T. Matsuda , C. Menezes Pires , F. Metzge r , W. Meyer , M. Mikhasenko , E. Mitrofanov , D. Miura , Y. Miyachi , R. Molina , A. Movsisian , A. Moretti , A. Nagaytsev , D. Neyret , M. Niemiec , J. Nový , W. -D. Nowak , G. Nukazuka , A. G. Olshevsky , M. Ostrick , D. Panzieri , B. Parsamyan , S. P aul , H. Pekeler , J. -C. Peng , M. Pešek , D. V. Peshekhonov , M. Pešková , S. Platchkov , J. Pochodzalla , V. A. Polyakov , P. Pucci , C. Quintans , G. Reicherz , C. Riedl , D. I. Ryabchikov , A. Rychter , A. Rymbekova , V. D. Samoylenko , A. S andacz , S. Sarkar , I. A. Savin , G. Sbrizzai , H. Schmieden , A. Selyunin , S. Seriubin , L. Sinha , D. Spülbeck , A. Srnka , M. Stolarski , M. Sulc , H. Suzuki , S. Tessaro , F. Tessarotto , A. Thiel , F. Tosello , A. Townsend , V. Tskhay , B. Valino ti , B. M. Veit , J. F. C. A. Veloso , A. Vijayakumar , M. Virius , M. Wagner , S. Wallner , K. Zaremba , M. Zavertyaev , M. Zemko , E. Zemlyanichkina , M. Ziembicki

Spontaneous polarization of $\Lambda/\bar{\Lambda}$ in unpolarized hadron interactions has been observed experimentally for nearly half a century and still eludes a definitive explanation. One possible origin is the effect arising from…

High Energy Physics - Experiment · Physics 2024-02-06 Taoya Gao

We report a novel manifestation of spin-vorticity interplay in relativistic heavy-ion collisions. Using $^{16}$O+$^{197}$Au at $\sqrt{s_{\rm NN}}=7.7$ GeV as a test case, we show that the $\Lambda$ hyperon exhibits a clear dual-polarization…

Nuclear Theory · Physics 2025-08-27 X. G. Deng , Y. G. Ma

Compton backscattering polarimetry provides a fast and accurate method to measure the polarization of an electron beam in a storage ring. Since the method is non-destructive, the polarization of the electron beam can be monitored during…

Instrumentation and Detectors · Physics 2007-05-23 I. Passchier , D. W. Higinbotham , C. W. de Jager , B. E. Norum , N. H. Papadakis , N. P. Vodinas

We address magnetic neutron scattering in the presence of local non-centrosymmetric asymmetries of the magnetization density. Such inversion-symmetry breaking, combined with the absence of time-reversal symmetry, can be described in terms…

Large orbital angular momentum can be generated in non-central heavy-ion collisions, and part of it is expected to be converted into final particle's polarization due to the spin-orbit coupling. Within the framework of A Multi-Phase…

Nuclear Theory · Physics 2017-12-08 Xiao-Liang Xia , Hui Li , Qun Wang

We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg^2 centered on RA=0 h, Dec=-27 deg. The sensitivity available in our deep observations allows an in-band, frequency-dependent…

The measurement of Lambda^0 hyperons polarization in nucleus-nucleus collisions is considered as one of possible tools to study the phase transition. Fixed target and collider experiments are discussed for the case of Lambda^0's production…

Nuclear Experiment · Physics 2014-11-18 V. P. Ladygin , A. P. Jerusalimov , N. B. Ladygina

In order to determine polarized parton densities in nucleon we have made fits using all experimental data on spin asymmetries measured in the deep inelastic scattering on different nucleon targets. We have used in our analysis next to…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Bartelski , S. Tatur

Based on the hard-scattering factorization which decomposes the diffractive structure function into a pomeron flux and a pomeron structure function, we study the single diffractive Lambda_c^+ production in polarized pp scattering: p + p ->…

High Energy Physics - Phenomenology · Physics 2011-03-23 Kazumasa Ohkuma , Toshiyuki Morii

Polarized parton distribution functions are determined by using asymmetry A_1 data from longitudinally polarized deep inelastic scattering experiments. From our \chi^2 analysis, polarized u-valence, d-valence, antiquark, and gluon…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. Hirai

We improve the existing calculations of deep inelastic scattering to next to next to leading order in the following manner. First, we use the recently calculated values of the anomalous dimensions for moments with index n=10,12 in ep…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. Santiago , F. J. Yndurain

Several different scenarios for neutrino scattering experiments using a neutrino beam from the muon collider complex are discussed. The physics reach of a neutrino experiment at the front end of a muon collider is shown to extend far beyond…

High Energy Physics - Experiment · Physics 2010-02-02 Deborah A. Harris , Kevin S. McFarland

We present an innovative approach to the linearly polarized gluons confined inside the unpolarized nucleon in lepton-nucleon scattering. Our method analyzes the correlation of energy flows at azimuthal separations $\phi$. The interference…

High Energy Physics - Phenomenology · Physics 2023-08-23 Xiao Lin Li , Xiaohui Liu , Feng Yuan , Hua Xing Zhu

We calculate the polarizations for different octet hyperons produced in the current fragmentation regions of the deeply inelastic lepton-nucleon scatterings $\mu^-N \to \mu^- HX$ and $\nu_{\mu} N \to \mu^- HX$ at high energy using different…

High Energy Physics - Phenomenology · Physics 2019-05-15 Chun-xiu Liu , Qing-hua Xu , Zuo-tang Liang

Light scattering in a magnetic medium with uncorrelated inclusions is theoretically studied in the approximation of ladder diagram. Correlation between polarizations of electromagnetic waves that are produced by infinitely-distant dipole…

Optics · Physics 2017-03-08 M. A. Kozhaev , R. A. Niyazov , V. I. Belotelov

The generalized forward spin polarizabilities $\gamma_0$ and $\delta_{LT}$ of the neutron have been extracted for the first time in a $Q^2$ range from 0.1 to 0.9 GeV$^2$. Since $\gamma_0$ is sensitive to nucleon resonances and $\delta_{LT}$…

Nuclear Experiment · Physics 2012-08-27 010 Collaboration , M. Amarian

Following a previous description of Lambda and Lambda-bar polarization in unpolarized p-p interactions, within a perturbative QCD factorization scheme with new polarizing fragmentation functions, here we investigate the transverse…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Anselmino , D. Boer , U. D'Alesio , F. Murgia