Related papers: On the interpretation of $\Lambda$ spin polarizati…

Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c

The polarization of Lambda0, AntiLambda0, Sigma+ and Xi- inclusively produced in Sigma- induced interactions at 330 GeV has been measured in the experiment WA89 at CERN. This is the first measurement of polarization of baryons produced by a…

High Energy Physics - Experiment · Physics 2010-11-01 M. I. Adamovich

Probing vortical structures in heavy-ion collisions at RHIC-BES energies through helicity polarization

We investigate the hydrodynamic helicity polarization of $\Lambda$ hyperons, defined as the projection of the spin polarization vector along the directions of particle momenta, at RHIC-BES energies by utilizing the relativistic (3+1)D…

High Energy Physics - Phenomenology · Physics 2023-04-19 Cong Yi , Xiang-Yu Wu , Di-Lun Yang , Jian-Hua Gao , Shi Pu , Guang-You Qin

Polarization and Vorticity in the Quark Gluon Plasma

The quark-gluon plasma produced by collisions between ultra-relativistic heavy nuclei is well described in the language of hydrodynamics. Non-central collisions are characterized by very large angular momentum, which in a fluid system…

Nuclear Experiment · Physics 2020-03-10 Francesco Becattini , Michael Lisa

Measurement of gamma p --> K+ Lambda and gamma p --> K+ Sigma0 at photon energies up to 2.6 GeV

The reactions gamma p --> K+ Lambda and gamma p --> K+ Sigma0 were measured in the energy range from threshold up to a photon energy of 2.6 GeV. The data were taken with the SAPHIR detector at the electron stretcher facility, ELSA. Results…

Nuclear Experiment · Physics 2008-11-26 K. -H. Glander , J. Barth , W. Braun , J. Hannappel , N. Jöpen , F. Klein , E. Klempt , R. Lawall , J. Link , D. Menze , W. Neuerburg , M. Ostrick , E. Paul , I. Schulday , W. J. Schwille , H. v. Pee , F. W. Wieland , J. Wißkirchen , C. Wu

Core-corona approach to describe hyperon global polarization in semi-central relativistic heavy-ion collisions

We report on the core-corona model developed to describe the main features of hyperon global polarization in semicentral relativistic heavy-ion collisions as a function of the collision energy. We first neglect the contribution to…

High Energy Physics - Phenomenology · Physics 2023-01-19 Alejandro Ayala , Isabel Domínguez , Ivonne Maldonado , María Elena Tejeda-Yeomans

Considerations on measuring spin-spin correlation of hyeprons in heavy-ion experiments

The significant global spin alignment observed for $\phi$ mesons in heavy-ion collisions has sparked intense discussions about its origin and implications. One explanation suggests that fluctuations in the strong force field may introduce…

Nuclear Theory · Physics 2024-08-01 Diyu Shen , Jinhui Chen , Aihong Tang

Global hyperon polarization at local thermodynamic equilibrium with vorticity, magnetic field and feed-down

The system created in ultrarelativistic nuclear collisions is known to behave as an almost ideal liquid. In non-central collisions, due to the large orbital momentum, such a system might be the fluid with the highest vorticity ever created…

Nuclear Theory · Physics 2017-05-16 F. Becattini , I. Karpenko , M. Lisa , I. Upsal , S. Voloshin

Global $\Lambda$-hyperon polarization in Au+Au collisions at $\sqrt{s_\mathrm{NN}}=3$ GeV

Global hyperon polarization, $\overline{P}_\mathrm{H}$, in Au+Au collisions over a large range of collision energy, $\sqrt{s_\mathrm{NN}}$, was recently measured and successfully reproduced by hydrodynamic and transport models with intense…

Nuclear Experiment · Physics 2022-02-07 M. S. Abdallah , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , J. K. Adkins , G. Agakishiev , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , I. Alekseev , D. M. Anderson , A. Aparin , E. C. Aschenauer , M. U. Ashraf , F. G. Atetalla , A. Attri , G. S. Averichev , V. Bairathi , W. Baker , J. G. Ball Cap , K. Barish , A. Behera , R. Bellwied , P. Bhagat , A. Bhasin , J. Bielcik , J. Bielcikova , I. G. Bordyuzhin , J. D. Brandenburg , A. V. Brandin , I. Bunzarov , J. Butterworth , X. Z. Cai , H. Caines , M. Calderó , D. Cebra , I. Chakaberia , P. Chaloupka , B. K. Chan , F-H. Chang , Z. Chang , N. Chankova-Bunzarova , A. Chatterjee , S. Chattopadhyay , D. Chen , J. Chen , J. H. Chen , X. Chen , Z. Chen , J. Cheng , M. Chevalier , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , M. Csaná , M. Daugherity , T. G. Dedovich , I. M. Deppner , A. A. Derevschikov , A. Dhamija , L. Di Carlo , L. Didenko , P. Dixit , X. Dong , J. L. Drachenberg , E. Duckworth , J. C. Dunlop , N. Elsey , J. Engelage , G. Eppley , S. Esumi , O. Evdokimov , A. Ewigleben , O. Eyser , R. Fatemi , F. M. Fawzi , S. Fazio , P. Federic , J. Fedorisin , C. J. Feng , Y. Feng , P. Filip , E. Finch , Y. Fisyak , A. Francisco , C. Fu , L. Fulek , C. A. Gagliardi , T. Galatyuk , F. Geurts , N. Ghimire , A. Gibson , K. Gopal , X. Gou , D. Grosnick , A. Gupta , W. Guryn , A. I. Hamad , A. Hamed , Y. Han , S. Harabasz , M. D. Harasty , J. W. Harris , H. Harrison , S. He , W. He , X. H. He , Y. He , S. Heppelmann , S. Heppelmann , N. Herrmann , E. Hoffman , L. Holub , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , Y. Huang , T. J. Humanic , G. Igo , D. Isenhower , W. W. Jacobs , C. Jena , A. Jentsch , Y. Ji , J. Jia , K. Jiang , X. Ju , E. G. Judd , S. Kabana , M. L. Kabir , S. Kagamaster , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , M. Kelsey , Y. V. Khyzhniak , D. P. Kikoł , C. Kim , B. Kimelman , D. Kincses , I. Kisel , A. Kiselev , A. G. Knospe , H. S. Ko , L. Kochenda , L. K. Kosarzewski , L. Kramarik , P. Kravtsov , L. Kumar , S. Kumar , R. Kunnawalkam Elayavalli , J. H. Kwasizur , R. Lacey , S. Lan , J. M. Landgraf , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , Y. H. Leung , C. Li , C. Li , W. Li , X. Li , Y. Li , X. Liang , Y. Liang , R. Licenik , T. Lin , Y. Lin , M. A. Lisa , F. Liu , H. Liu , H. Liu , P. Liu , T. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , W. J. Llope , R. S. Longacre , E. Loyd , N. S. Lukow , X. F. Luo , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , S. Margetis , C. Markert , H. S. Matis , J. A. Mazer , N. G. Minaev , S. Mioduszewski , B. Mohanty , M. M. Mondal , I. Mooney , D. A. Morozov , A. Mukherjee , M. Nagy , J. D. Nam , Md. Nasim , K. Nayak , D. Neff , J. M. Nelson , D. B. Nemes , M. Nie , G. Nigmatkulov , T. Niida , R. Nishitani , L. V. Nogach , T. Nonaka , A. S. Nunes , G. Odyniec , A. Ogawa , S. Oh , V. A. Okorokov , B. S. Page , R. Pak , J. Pan , A. Pandav , A. K. Pandey , Y. Panebratsev , P. Parfenov , B. Pawlik , D. Pawlowska , H. Pei , C. Perkins , L. Pinsky , R. L. Pinté , J. Pluta , B. R. Pokhrel , G. Ponimatkin , J. Porter , M. Posik , V. Prozorova , N. K. Pruthi , M. Przybycien , J. Putschke , H. Qiu , A. Quintero , C. Racz , S. K. Radhakrishnan , N. Raha , R. L. Ray , R. Reed , H. G. Ritter , M. Robotkova , O. V. Rogachevskiy , J. L. Romero , D. Roy , L. Ruan , J. Rusnak , N. R. Sahoo , H. Sako , S. Salur , J. Sandweiss , S. Sato , W. B. Schmidke , N. Schmitz , B. R. Schweid , F. Seck , J. Seger , M. Sergeeva , R. Seto , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , M. Shao , T. Shao , A. I. Sheikh , D. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , M. Simko , J. Singh , S. Singha , M. J. Skoby , N. Smirnov , Y. Sö , W. Solyst , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , M. Sumbera , B. Summa , X. M. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , D. N. Svirida , Z. W. Sweger , P. Szymanski , A. H. Tang , Z. Tang , A. Taranenko , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , M. Tokarev , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , T. Truhlar , B. A. Trzeciak , O. D. Tsai , Z. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , J. Vanek , A. N. Vasiliev , I. Vassiliev , V. Verkest , F. Videbæk , S. Vokal , S. A. Voloshin , F. Wang , G. Wang , J. S. Wang , P. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , J. Wu , Y. Wu , B. Xi , Z. G. Xiao , G. Xie , W. Xie , H. Xu , N. Xu , Q. H. Xu , Y. Xu , Z. Xu , Z. Xu , C. Yang , Q. Yang , S. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , Y. Yu , H. Zbroszczyk , W. Zha , C. Zhang , D. Zhang , J. Zhang , S. Zhang , S. Zhang , X. P. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , J. Zhao , C. Zhou , X. Zhu , M. Zurek , M. Zyzak

Hyperon polarization along the beam direction relative to the second and third harmonic event planes in isobar collisions at $\sqrt{s_{NN}}$ = 200 GeV

The polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons along the beam direction has been measured relative to the second and third harmonic event planes in isobar Ru+Ru and Zr+Zr collisions at $\sqrt{s_{NN}}$ = 200 GeV. This is the…

Nuclear Experiment · Physics 2023-11-21 STAR Collaboration , M. I. Abdulhamid , B. E. Aboona , J. Adam , J. R. Adams , G. Agakishiev , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , A. Aitbaev , I. Alekseev , D. M. Anderson , A. Aparin , S. Aslam , J. Atchison , G. S. Averichev , V. Bairathi , W. Baker , J. G. Ball Cap , K. Barish , P. Bhagat , A. Bhasin , S. Bhatta , I. G. Bordyuzhin , J. D. Brandenburg , A. V. Brandin , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , J. Ceska , I. Chakaberia , B. K. Chan , Z. Chang , A. Chatterjee , D. Chen , J. Chen , J. H. Chen , Z. Chen , J. Cheng , Y. Cheng , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , G. Dale-Gau , A. Das , M. Daugherity , T. G. Dedovich , I. M. Deppner , A. A. Derevschikov , A. Dhamija , L. Di Carlo , P. Dixit , X. Dong , J. L. Drachenberg , E. Duckworth , J. C. Dunlop , J. Engelage , G. Eppley , S. Esumi , O. Evdokimov , A. Ewigleben , O. Eyser , R. Fatemi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , F. A. Flor , C. Fu , T. Gao , F. Geurts , N. Ghimire , A. Gibson , K. Gopal , X. Gou , D. Grosnick , A. Gupta , A. Hamed , Y. Han , M. D. Harasty , J. W. Harris , H. Harrison-Smith , W. He , X. H. He , Y. He , C. Hu , Q. Hu , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , Y. Huang , Y. Huang , T. J. Humanic , D. Isenhower , M. Isshiki , W. W. Jacobs , A. Jalotra , C. Jena , Y. Ji , J. Jia , C. Jin , X. Ju , E. G. Judd , S. Kabana , M. L. Kabir , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , D. Keane , A. Kechechyan , M. Kelsey , B. Kimelman , A. Kiselev , A. G. Knospe , H. S. Ko , L. Kochenda , A. A. Korobitsin , P. Kravtsov , L. Kumar , S. Kumar , R. Kunnawalkam Elayavalli , R. Lacey , J. M. Landgraf , A. Lebedev , R. Lednicky , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , T. Lin , C. Liu , F. Liu , G. Liu , H. Liu , H. Liu , L. Liu , T. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , W. J. Llope , O. Lomicky , R. S. Longacre , E. M. Loyd , T. Lu , N. S. Lukow , X. F. Luo , V. B. Luong , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , S. Margetis , H. S. Matis , J. A. Mazer , G. McNamara , K. Mi , N. G. Minaev , B. Mohanty , M. M. Mondal , I. Mooney , D. A. Morozov , A. Mudrokh , M. I. Nagy , A. S. Nain , J. D. Nam , M. Nasim , D. Neff , J. M. Nelson , D. B. Nemes , M. Nie , G. Nigmatkulov , T. Niida , R. Nishitani , L. V. Nogach , T. Nonaka , G. Odyniec , A. Ogawa , S. Oh , V. A. Okorokov , K. Okubo , B. S. Page , R. Pak , J. Pan , A. Pandav , A. K. Pandey , Y. Panebratsev , T. Pani , P. Parfenov , A. Paul , C. Perkins , B. R. Pokhrel , M. Posik , T. Protzman , N. K. Pruthi , J. Putschke , Z. Qin , H. Qiu , A. Quintero , C. Racz , S. K. Radhakrishnan , N. Raha , R. L. Ray , H. G. Ritter , C. W. Robertson , O. V. Rogachevsky , M. A. Rosales Aguilar , D. Roy , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , E. Samigullin , S. Sato , W. B. Schmidke , N. Schmitz , J. Seger , R. Seto , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , T. Shao , M. Sharma , N. Sharma , R. Sharma , S. R. Sharma , A. I. Sheikh , D. Shen , D. Y. Shen , K. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , F. Si , J. Singh , S. Singha , P. Sinha , M. J. Skoby , Y. Söhngen , Y. Song , B. Srivastava , T. D. S. Stanislaus , D. J. Stewart , M. Strikhanov , B. Stringfellow , Y. Su , C. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , D. N. Svirida , Z. W. Sweger , A. Tamis , A. H. Tang , Z. Tang , A. Taranenko , T. Tarnowsky , J. H. Thomas , D. Tlusty , T. Todoroki , M. V. Tokarev , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , O. D. Tsai , C. Y. Tsang , Z. Tu , J. Tyler , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , A. N. Vasiliev , V. Verkest , F. Videbæk , S. Vokal , S. A. Voloshin , F. Wang , G. Wang , J. S. Wang , J. Wang , X. Wang , Y. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , H. Wieman , G. Wilks , S. W. Wissink , J. Wu , J. Wu , X. Wu , X. Wu , Y. Wu , B. Xi , Z. G. Xiao , G. Xie , W. Xie , H. Xu , N. Xu , Q. H. Xu , Y. Xu , Y. Xu , Z. Xu , Z. Xu , G. Yan , Z. Yan , C. Yang , Q. Yang , S. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , Y. Yu , W. Zha , C. Zhang , D. Zhang , J. Zhang , S. Zhang , W. Zhang , X. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , F. Zhao , J. Zhao , M. Zhao , C. Zhou , J. Zhou , S. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Measurement of the Polarization of W Bosons with Large Transverse Momenta in W+Jets Events at the LHC

A first measurement of the polarization of W bosons with large transverse momenta in pp collisions is presented. The measurement is based on 36 inverse picobarns of data recorded at sqrt(s) = 7 TeV by the CMS detector at the LHC. The…

High Energy Physics - Experiment · Physics 2017-08-01 CMS Collaboration

Spin Correlations of Lambda anti-Lambda Pairs as a Probe of Quark-Antiquark Pair Production

The polarizations of Lambda and anti-Lambda are thought to retain memories of the spins of their parent s quarks and antiquarks, and are readily measurable via the angular distributions of their daughter protons and antiprotons.…

High Energy Physics - Phenomenology · Physics 2015-05-30 John Ellis , Dae Sung Hwang

Observation of Transverse $\Lambda/\bar{\Lambda}$ Hyperon Polarization in $e^+e^-$ Annihilation at Belle

We report the first observation of the spontaneous polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons transverse to the production plane in $e^+e^-$ annihilation, which is attributed to the effect arising from a polarizing fragmentation…

High Energy Physics - Experiment · Physics 2019-02-06 Belle Collaboration , Y. Guan , A. Vossen , I. Adachi , K. Adamczyk , J. K. Ahn , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , I. Badhrees , A. M. Bakich , V. Bansal , P. Behera , C. Beleño , M. Berger , V. Bhardwaj , B. Bhuyan , T. Bilka , J. Biswal , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , L. Cao , D. Červenkov , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , S. Cunliffe , N. Dash , S. Di Carlo , J. Dingfelder , Z. Doležal , T. V. Dong , Z. Drásal , S. Eidelman , D. Epifanov , J. E. Fast , T. Ferber , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , A. Giri , P. Goldenzweig , B. Golob , E. Guido , J. Haba , K. Hayasaka , H. Hayashii , S. Hirose , W. -S. Hou , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , W. W. Jacobs , I. Jaegle , H. B. Jeon , S. Jia , Y. Jin , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , T. Kawasaki , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , K. T. Kim , S. H. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , A. Kuzmin , Y. -J. Kwon , J. S. Lange , I. S. Lee , S. C. Lee , L. K. Li , Y. B. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , H. Miyata , R. Mizuk , G. B. Mohanty , H. K. Moon , T. Mori , R. Mussa , M. Nakao , T. Nanut , K. J. Nath , Z. Natkaniec , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , H. Ono , P. Pakhlov , G. Pakhlova , B. Pal , S. Pardi , H. Park , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , V. Popov , E. Prencipe , A. Rabusov , A. Rostomyan , G. Russo , D. Sahoo , Y. Sakai , M. Salehi , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , R. Seidl , Y. Seino , K. Senyo , O. Seon , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , F. Simon , A. Sokolov , E. Solovieva , M. Starič , J. F. Strube , M. Sumihama , T. Sumiyoshi , W. Sutcliffe , K. Suzuki , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , S. E. Vahsen , C. Van Hulse , R. Van Tonder , G. Varner , A. Vinokurova , V. Vorobyev , E. Waheed , B. Wang , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , S. Watanuki , E. Widmann , E. Won , H. Ye , J. Yelton , J. H. Yin , C. Z. Yuan , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov , A. Zupanc

Global polarization and spin alignment in heavy-ion collisions: past, present and future

We give a brief overview on global polarization and spin alignment in heavy ion collisions. The current theoretical understandings on global polarization of hyperons and the global spin alignment of vector mesons are summarized.

Nuclear Theory · Physics 2024-01-30 Wen-Bo Dong , Xin-Li Sheng , Yi-Liang Yin , Qun Wang

Experimental observation of optical rotation generated in vacuum by a magnetic field

We report the experimental observation of a light polarization rotation in vacuum in the presence of a transverse magnetic field. Assuming that data distribution is Gaussian, the average measured rotation is (3.9+/-0.5)e-12 rad/pass, at 5 T…

High Energy Physics - Experiment · Physics 2008-11-26 E. Zavattini , G. Zavattini , G. Ruoso , E. Polacco , E. Milotti , M. Karuza , U. Gastaldi , G. Di Domenico , F. Della Valle , R. Cimino , S. Carusotto , G. Cantatore , M. Bregant

Vorticity in the QGP liquid and hyperon polarization at the RHIC BES energies

We calculate the polarization of $\Lambda$ hyperons in Au-Au collisions at RHIC Beam Energy Scan range $\sqrt{s_{\rm NN}}=7.7, \dots, 200$ GeV in a state-of-the-art 3+1 dimensional cascade + viscous hydro model vHLLE+UrQMD. We find that the…

Nuclear Theory · Physics 2017-03-08 Iu. Karpenko , F. Becattini

Correlations of dihadron polarization in central, peripheral and ultraperipheral heavy-ion collisions

While jet quenching in relativistic heavy-ion collisions has been extensively studied over decades, the polarization of quenched hadrons has rarely been discussed. It has recently been proposed that the correlations of dihadron polarization…

High Energy Physics - Phenomenology · Physics 2023-12-12 Xiaowen Li , Zhao-Xuan Chen , Shanshan Cao , Shu-Yi Wei

Nucleon strangeness polarization from $\Lambda/\bar\Lambda$ hyperon production in polarized proton-proton collision at RHIC

We calculate the inclusive production of a polarized $\Lambda$ or $\bar{\Lambda}$ hyperon from the single longitudinally polarized proton and proton ($pp$) collision at RHIC. By comparing the data reported by the STAR Collaboration, we find…

High Energy Physics - Phenomenology · Physics 2019-06-05 Xiaonan Liu , Bo-Qiang Ma

Extracting the depolarization coefficient D_NN from data measured with a full acceptance detector

The spin transfer from vertically polarized beam protons to Lambda or Sigma hyperons of the associated strangeness production pp -> pK Lambda (Sigma) is described with the depolarization coefficient D_NN. As the polarization of the hyperons…

Nuclear Experiment · Physics 2016-03-23 F. Hauenstein , H. Clement , R. Dzhygadlo , W. Eyrich , A. Gillitzer , D. Grzonka , S. Jowzaee , J. Ritman , E. Roderburg , M. Roeder , P. Wintz

Asymmetry of Lambda Baryons in Hadronic Z^0 Decays

The longitudinal polarization, the transverse polarization, and the forward-backward asymmetry of Lambda baryons have been measured using a sample of 4.34 million hadronic Z^0 decays collected with the OPAL detector at LEP between 1990 and…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

Universal scaling behaviour of the transverse polarization for inclusively produced hyperons in hadron-hadron collisions

Experimental data on the polarization of hyperons, inclusively produced in hadron-hadron collisions, have been analyzed. It is shown that the existing data can be described by a function of transverse momentum (Pt) and two scaling variables…

High Energy Physics - Phenomenology · Physics 2007-05-23 Victor V. Abramov