Related papers: Transversity Signal in two Hadron Pair Production …

Transverse single-spin asymmetries of pion production in semi-inclusive DIS at subleading twist

We study the single-spin asymmetries with the $\sin\phi_S$ and $\sin(2\phi_h -\phi_S)$ angular dependences for charged and neutral pions produced in semi-inclusive deep inelastic scattering on the transversely polarized proton target. The…

High Energy Physics - Phenomenology · Physics 2014-09-26 Wenjuan Mao , Zhun Lu , Bo-Qiang Ma

Role of transverse momentum dependence of unpolarised parton distribution and fragmentation functions in the analysis of azimuthal spin asymmetries

Information on the Sivers distribution and the Collins fragmentation functions and their transverse momentum dependence is mainly based on fitting single spin asymmetry data from semi-inclusive deep inelastic scattering (SIDIS). Independent…

High Energy Physics - Phenomenology · Physics 2018-12-05 M. Anselmino , M. Boglione , U. D'Alesio , F. Murgia , A. Prokudin

Single spin asymmetry $ A _{ U L } ^ { \sin ( 2 \phi _ { h } ) }$ in dihadron production in SIDIS

The paper calculates the helicity-dependent dihadron fragmentation function (DiFF), by extending the dihadron spectator model and examine the single longitudinal spin asymmetry $A^{\sin(2\phi_h)}_{UL}$ from dihadron in semi-inclusive…

High Energy Physics - Phenomenology · Physics 2024-06-26 Ren Yang , Yangyang Yu , Qihang Zhou , Gang Li , Mao Song , Xuan Luo

Single/Double-Spin Asymmetry Measurements of Semi-Inclusive Pion Electroproduction on a Transversely Polarized 3He Target through Deep Inelastic Scattering

Parton distribution functions, which represent the flavor and spin structure of the nucleon, provide invaluable information in illuminating quantum chromodynamics in the confinement region. Among various processes that measure such parton…

Nuclear Experiment · Physics 2012-07-20 Xin Qian

Single transverse-spin asymmetries in forward pion production at high energy: incorporating small-x effects in the target

We consider single-inclusive forward pion production in high-energy proton-proton collisions at RHIC energies. A good baseline description of the transverse momentum distributions at high rapidity is obtained within Mueller's dipole…

High Energy Physics - Phenomenology · Physics 2010-03-25 Daniel Boer , Adrian Dumitru , Arata Hayashigaki

Single Spin Asymmetries in Charged Kaon Production from Semi-Inclusive Deep Inelastic Scattering on a Transversely Polarized $^3{\rm{He}}$ Target

We report the first measurement of target single spin asymmetries of charged kaons produced in semi-inclusive deep inelastic scattering of electrons off a transversely polarized $^3{\rm{He}}$ target. Both the Collins and Sivers moments,…

Nuclear Experiment · Physics 2014-11-05 Y. X. Zhao , Y. Wang , K. Allada , K. Aniol , J. R. M. Annand , T. Averett , F. Benmokhtar , W. Bertozzi , P. C. Bradshaw , P. Bosted , A. Camsonne , M. Canan , G. D. Cates , C. Chen , J. -P. Chen , W. Chen , K. Chirapatpimol , E. Chudakov , E. Cisbani , J. C. Cornejo , F. Cusanno , M. M. Dalton , W. Deconinck , C. W. de Jager , R. De Leo , X. Deng , A. Deur , H. Ding , P. A. M. Dolph , C. Dutta , D. Dutta , L. El Fassi , S. Frullani , H. Gao , F. Garibaldi , D. Gaskell , S. Gilad , R. Gilman , O. Glamazdin , S. Golge , L. Guo , D. Hamilton , O. Hansen , D. W. Higinbotham , T. Holmstrom , J. Huang , M. Huang , H. F Ibrahim , M. Iodice , X. Jiang , G. Jin , M. K. Jones , J. Katich , A. Kelleher , W. Kim , A. Kolarkar , W. Korsch , J. J. LeRose , X. Li , Y. Li , R. Lindgren , N. Liyanage , E. Long , H. -J. Lu , D. J. Margaziotis , P. Markowitz , S. Marrone , D. McNulty , Z. -E. Meziani , R. Michaels , B. Moffit , C. Muñoz Camacho , S. Nanda , A. Narayan , V. Nelyubin , B. Norum , Y. Oh , M. Osipenko , D. Parno , J. -C. Peng , S. K. Phillips , M. Posik , A. J. R. Puckett , X. Qian , Y. Qiang , A. Rakhman , R. Ransome , S. Riordan , A. Saha , B. Sawatzky , E. Schulte , A. Shahinyan , M. H. Shabestari , S. Širca , S. Stepanyan , R. Subedi , V. Sulkosky , L. -G. Tang , A. Tobias , G. M. Urciuoli , I. Vilardi , K. Wang , B. Wojtsekhowski , X. Yan , H. Yao , Y. Ye , Z. Ye , L. Yuan , X. Zhan , Y. Zhang , Y. -W. Zhang , B. Zhao , X. Zheng , L. Zhu , X. Zhu , X. Zong

Measurement of Transverse Spin Dependent Azimuthal Correlations of Charged Pion(s) in $p^{\uparrow} p$ Collisions at $\sqrt s = 200$ GeV at STAR

At the leading twist, the transversity distribution function, $h^{q}_{1}(x)$, where $x$ is the longitudinal momentum fraction of the proton carried by quark $q$, encodes the transverse spin structure of the nucleon. Extraction of it is…

Nuclear Experiment · Physics 2023-02-01 Babu R. Pokhrel

Single-spin asymmetries in electroproduction of pions on the longitudinally polarized nucleon targets

We study the single-spin asymmetries of pions produced in semi-inclusive deep-inelastic scattering on the longitudinally polarized nucleon targets. We particularly consider the effects of the twist-3 transverse-momentum dependent…

High Energy Physics - Phenomenology · Physics 2014-07-30 Zhun Lu

Nucleon Transversity Distribution from Azimuthal Spin Asymmetry in Pion Electroproduction

The azimuthal asymmetry observed by the HERMES collaboration in semi-inclusive pion production in deep inelastic scattering of unpolarized positron on the longitudinally polarized proton target, can provide information of the quark…

High Energy Physics - Phenomenology · Physics 2009-10-31 Bo-Qiang Ma , Ivan Schmidt , Jian-Jun Yang

Measurement of the transverse target-spin asymmetry associated with deeply virtual Compton scattering on the proton

Measurements of deeply virtual Compton scattering (DVCS) made at HERMES using 27.6 GeV $e^\pm$ beams and various internal polarized or unpolarized gaseous targets are discussed. Results are reported on the transverse target-spin asymmetry…

High Energy Physics - Experiment · Physics 2007-05-23 Zhenyu Ye

Two-hadron semi-inclusive production including subleading twist

We extend the analysis of two-hadron fragmentation functions to the subleading twist, discussing also the issue of color gauge invariance. Our results can be used anywhere two unpolarized hadrons are semi-inclusively produced in the same…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alessandro Bacchetta , Marco Radici

Measurement of Transverse Single-Spin Asymmetries for J/psi Production in Polarized p+p Collisions at sqrt(s) = 200 GeV

We report the first measurement of transverse single-spin asymmetries in $J/\psi$ production from transversely polarized $p+p$ collisions at $\sqrt{s} = 200$ GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was…

High Energy Physics - Experiment · Physics 2011-02-02 A. Adare , S. Afanasiev , C. Aidala , N. N. Ajitanand , Y. Akiba , H. Al-Bataineh , J. Alexander , H. Al-Ta'ani , A. Angerami , K. Aoki , N. Apadula , L. Aphecetche , Y. Aramaki , J. Asai , E. T. Atomssa , R. Averbeck , T. C. Awes , B. Azmoun , V. Babintsev , M. Bai , G. Baksay , L. Baksay , A. Baldisseri , K. N. Barish , P. D. Barnes , B. Bassalleck , A. T. Basye , S. Bathe , S. Batsouli , V. Baublis , C. Baumann , A. Bazilevsky , S. Belikov , R. Belmont , R. Bennett , A. Berdnikov , Y. Berdnikov , J. H. Bhom , A. A. Bickley , D. S. Blau , J. G. Boissevain , J. S. Bok , H. Borel , N. Borggren , K. Boyle , M. L. Brooks , H. Buesching , V. Bumazhnov , G. Bunce , S. Butsyk , C. M. Camacho , S. Campbell , A. Caringi , B. S. Chang , W. C. Chang , J. -L. Charvet , C. -H. Chen , S. Chernichenko , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , R. K. Choudhury , P. Christiansen , T. Chujo , P. Chung , A. Churyn , O. Chvala , V. Cianciolo , Z. Citron , B. A. Cole , Z. Conesa del Valle , M. Connors , P. Constantin , M. Csanád , T. Csörgő , T. Dahms , S. Dairaku , I. Danchev , K. Das , A. Datta , G. David , M. K. Dayananda , A. Denisov , D. d'Enterria , A. Deshpande , E. J. Desmond , K. V. Dharmawardane , O. Dietzsch , A. Dion , M. Donadelli , L. D Orazio , O. Drapier , A. Drees , K. A. Drees , A. K. Dubey , J. M. Durham , A. Durum , D. Dutta , V. Dzhordzhadze , S. Edwards , Y. V. Efremenko , F. Ellinghaus , T. Engelmore , A. Enokizono , H. En'yo , S. Esumi , K. O. Eyser , B. Fadem , D. E. Fields , M. Finger , M. Finger , F. Fleuret , S. L. Fokin , Z. Fraenkel , J. E. Frantz , A. Franz , A. D. Frawley , K. Fujiwara , Y. Fukao , T. Fusayasu , I. Garishvili , A. Glenn , H. Gong , M. Gonin , J. Gosset , Y. Goto , R. Granier de Cassagnac , N. Grau , S. V. Greene , G. Grim , M. Grosse Perdekamp , T. Gunji , H. -Å. Gustafsson , A. Hadj Henni , J. S. Haggerty , K. I. Hahn , H. Hamagaki , J. Hamblen , J. Hanks , R. Han , E. P. Hartouni , K. Haruna , E. Haslum , R. Hayano , M. Heffner , T. K. Hemmick , T. Hester , X. He , J. C. Hill , M. Hohlmann , W. Holzmann , K. Homma , B. Hong , T. Horaguchi , D. Hornback , S. Huang , T. Ichihara , R. Ichimiya , H. Iinuma , Y. Ikeda , K. Imai , J. Imrek , M. Inaba , D. Isenhower , M. Ishihara , T. Isobe , M. Issah , A. Isupov , D. Ivanischev , Y. Iwanaga , B. V. Jacak , J. Jia , X. Jiang , J. Jin , B. M. Johnson , T. Jones , K. S. Joo , D. Jouan , D. S. Jumper , F. Kajihara , S. Kametani , N. Kamihara , J. Kamin , J. H. Kang , J. Kapustinsky , K. Karatsu , M. Kasai , D. Kawall , M. Kawashima , A. V. Kazantsev , T. Kempel , A. Khanzadeev , K. M. Kijima , J. Kikuchi , A. Kim , B. I. Kim , D. H. Kim , D. J. Kim , E. J. Kim , E. Kim , S. H. Kim , Y. -J. Kim , E. Kinney , K. Kiriluk , Á. Kiss , E. Kistenev , J. Klay , C. Klein-Boesing , L. Kochenda , B. Komkov , M. Konno , J. Koster , A. Kozlov , A. Král , A. Kravitz , G. J. Kunde , K. Kurita , M. Kurosawa , M. J. Kweon , Y. Kwon , G. S. Kyle , R. Lacey , Y. S. Lai , J. G. Lajoie , D. Layton , A. Lebedev , D. M. Lee , J. Lee , K. B. Lee , K. S. Lee , T. Lee , M. J. Leitch , M. A. L. Leite , B. Lenzi , P. Lichtenwalner , P. Liebing , L. A. Linden Levy , T. Liška , A. Litvinenko , H. Liu , M. X. Liu , X. Li , B. Love , D. Lynch , C. F. Maguire , Y. I. Makdisi , A. Malakhov , M. D. Malik , V. I. Manko , E. Mannel , Y. Mao , L. Mašek , H. Masui , F. Matathias , M. McCumber , P. L. McGaughey , N. Means , B. Meredith , Y. Miake , T. Mibe , A. C. Mignerey , P. Mikeš , K. Miki , A. Milov , M. Mishra , J. T. Mitchell , A. K. Mohanty , H. J. Moon , Y. Morino , A. Morreale , D. P. Morrison , T. V. Moukhanova , D. Mukhopadhyay , T. Murakami , J. Murata , S. Nagamiya , J. L. Nagle , M. Naglis , M. I. Nagy , I. Nakagawa , Y. Nakamiya , K. R. Nakamura , T. Nakamura , K. Nakano , S. Nam , J. Newby , M. Nguyen , M. Nihashi , T. Niita , R. Nouicer , A. S. Nyanin , C. Oakley , E. O'Brien , S. X. Oda , C. A. Ogilvie , K. Okada , M. Oka , Y. Onuki , A. Oskarsson , M. Ouchida , K. Ozawa , R. Pak , A. P. T. Palounek , V. Pantuev , V. Papavassiliou , I. H. Park , J. Park , S. K. Park , W. J. Park , S. F. Pate , H. Pei , J. -C. Peng , H. Pereira , V. Peresedov , D. Yu. Peressounko , R. Petti , C. Pinkenburg , R. P. Pisani , M. Proissl , M. L. Purschke , A. K. Purwar , H. Qu , J. Rak , A. Rakotozafindrabe , I. Ravinovich , K. F. Read , S. Rembeczki , K. Reygers , V. Riabov , Y. Riabov , E. Richardson , D. Roach , G. Roche , S. D. Rolnick , M. Rosati , C. A. Rosen , S. S. E. Rosendahl , P. Rosnet , P. Rukoyatkin , P. Ružička , V. L. Rykov , B. Sahlmueller , N. Saito , T. Sakaguchi , S. Sakai , K. Sakashita , V. Samsonov , S. Sano , T. Sato , S. Sawada , K. Sedgwick , J. Seele , R. Seidl , A. Yu. Semenov , V. Semenov , R. Seto , D. Sharma , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , K. Shoji , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , C. Silvestre , K. S. Sim , B. K. Singh , C. P. Singh , V. Singh , M. Slunečka , A. Soldatov , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , F. Staley , P. W. Stankus , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , T. Sugitate , C. Suire , A. Sukhanov , J. Sziklai , E. M. Takagui , A. Taketani , R. Tanabe , Y. Tanaka , S. Taneja , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , P. Tarján , H. Themann , D. Thomas , T. L. Thomas , M. Togawa , A. Toia , L. Tomášek , Y. Tomita , H. Torii , R. S. Towell , V-N. Tram , I. Tserruya , Y. Tsuchimoto , C. Vale , H. Valle , H. W. van Hecke , E. Vazquez-Zambrano , A. Veicht , J. Velkovska , R. Vértesi , A. A. Vinogradov , M. Virius , V. Vrba , E. Vznuzdaev , X. R. Wang , D. Watanabe , K. Watanabe , Y. Watanabe , F. Wei , J. Wessels , S. N. White , D. Winter , C. L. Woody , R. M. Wright , M. Wysocki , W. Xie , Y. L. Yamaguchi , K. Yamaura , R. Yang , A. Yanovich , J. Ying , S. Yokkaichi , G. R. Young , I. Younus , Z. You , I. E. Yushmanov , W. A. Zajc , O. Zaudtke , C. Zhang , S. Zhou , L. Zolin

Model Prediction for the Transverse Single Target-Spin Asymmetry in inclusive DIS

The single-spin asymmetry of unpolarized leptons scattering deep-inelastically off transversely polarized nucleons is discussed. This observable is generated by a two-photon exchange between lepton and nucleon. In a partonic description of…

High Energy Physics - Phenomenology · Physics 2022-03-02 Marc Schlegel

Polarised Drell-Yan results from COMPASS

The COMPASS experiment at CERN is one of the leading experiments studying the nucleon spin structure. Until 2012 the Parton Distribution Functions and the Transverse Momentum Dependent Parton Distribution Functions (TMDs) were extensively…

High Energy Physics - Experiment · Physics 2018-04-26 Celso Franco

HERMES measurements of Collins and Sivers asymmetries from a transversely polarised hydrogen target

Azimuthal single-spin asymmetries (SSA) in semi-inclusive electroproduction of pi-mesons and charged K-mesons in deep-inelastic scattering of positrons and electrons on a transversely polarised hydrogen target were observed. Significant SSA…

High Energy Physics - Experiment · Physics 2007-06-19 Markus Diefenthaler

Measurements of Unpolarized Azimuthal Asymmetries at COMPASS

Azimuthal Asymmetries in unpolarized SIDIS can be used to probe the transverse momentum of quarks inside the nucleon. Furthermore, they give access to the so-far unmeasured Boer-Mulders function. We report on the first measurement of…

High Energy Physics - Experiment · Physics 2019-08-13 W. Käfer

Azimuthal Spin Asymmetries in Semi-Inclusive Production from Positron-Proton Scattering

The recent measurements of azimuthal single spin asymmetries by the HERMES collaboration at DESY may shed some light on presently unknown fragmentation and distribution functions. We present a study of such functions and give some estimates…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Boglione , P. J. Mulders

Measurements of transverse-momentum dependent effects in semi-inclusive DIS at COMPASS

Its cornerstone were studies of hadron production in deep inelastic scattering (DIS), which can be interpreted in the transverse-momentum-dependent (TMD) factorisation framework, allowing to access the distributions of polarisation and…

High Energy Physics - Experiment · Physics 2026-05-13 Jan Matousek

Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized $pp$ collisions at $\sqrt{s}$ = 200 GeV

The STAR Collaboration reports measurements of the transverse single-spin asymmetries, $A_N$, for inclusive jets and identified `hadrons within jets' production at midrapidity from transversely polarized $pp$ collisions at $\sqrt{s}$ = 200…

High Energy Physics - Experiment · Physics 2022-11-01 STAR Collaboration , M. S. Abdallah , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , J. K. Adkins , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , D. M. Anderson , E. C. Aschenauer , M. U. Ashraf , J. Atchison , V. Bairathi , W. Baker , J. G. Ball Cap , K. Barish , A. Behera , R. Bellwied , P. Bhagat , A. Bhasin , J. Bielcik , J. Bielcikova , J. D. Brandenburg , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , I. Chakaberia , P. Chaloupka , B. K. Chan , Z. Chang , A. Chatterjee , S. Chattopadhyay , D. Chen , J. Chen , J. H. Chen , X. Chen , Z. Chen , J. Cheng , S. Choudhury , W. Christie , X. Chu , H. J. Crawford , M. Csanád , M. Daugherity , I. M. Deppner , A. Dhamija , L. Di Carlo , L. Didenko , 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 , F. M. Fawzi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , A. Francisco , C. Fu , C. A. Gagliardi , T. Galatyuk , F. Geurts , N. Ghimire , A. Gibson , K. Gopal , X. Gou , D. Grosnick , A. Gupta , W. Guryn , 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 , N. Herrmann , E. Hoffman , L. Holub , C. Hu , Q. Hu , Y. Hu , H. Huang , H. Z. Huang , S. L. Huang , T. Huang , X. Huang , Y. Huang , T. J. Humanic , D. Isenhower , M. Isshiki , W. W. Jacobs , C. Jena , A. Jentsch , Y. Ji , J. Jia , K. Jiang , C. Jin , 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 , M. Kelsey , Y. V. Khyzhniak , D. P. Kikoła , B. Kimelman , D. Kincses , I. Kisel , A. Kiselev , A. G. Knospe , H. S. Ko , L. K. Kosarzewski , L. Kramarik , L. Kumar , S. Kumar , R. Kunnawalkam Elayavalli , J. H. Kwasizur , R. Lacey , S. Lan , J. M. Landgraf , J. Lauret , A. Lebedev , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , C. Li , W. Li , W. Li , X. Li , Y. Li , Y. Li , Z. 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 , T. Ljubicic , W. J. Llope , R. S. Longacre , E. Loyd , T. Lu , 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 , S. Mioduszewski , B. Mohanty , M. M. Mondal , I. Mooney , A. Mukherjee , M. Nagy , A. S. Nain , J. D. Nam , Md. Nasim , K. Nayak , D. Neff , J. M. Nelson , D. B. Nemes , M. Nie , T. Niida , R. Nishitani , T. Nonaka , A. S. Nunes , G. Odyniec , A. Ogawa , S. Oh , K. Okubo , B. S. Page , R. Pak , J. Pan , A. Pandav , A. K. Pandey , A. Paul , B. Pawlik , D. Pawlowska , C. Perkins , L. S. Pinsky , J. Pluta , B. R. Pokhrel , J. Porter , M. Posik , V. Prozorova , N. K. Pruthi , M. Przybycien , J. Putschke , Z. Qin , H. Qiu , A. Quintero , C. Racz , S. K. Radhakrishnan , N. Raha , R. L. Ray , R. Reed , H. G. Ritter , M. Robotkova , J. L. Romero , D. Roy , P. Roy Chowdhury , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , S. Sato , W. B. Schmidke , N. Schmitz , B. R. Schweid , F-J. Seck , J. Seger , M. Sergeeva , R. Seto , P. Seyboth , N. Shah , P. V. Shanmuganathan , M. Shao , T. Shao , R. Sharma , A. I. Sheikh , D. Y. Shen , K. Shen , S. S. Shi , Y. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , J. Singh , S. Singha , P. Sinha , M. J. Skoby , N. Smirnov , Y. Söhngen , W. Solyst , Y. Song , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , B. Stringfellow , A. A. P. Suaide , M. Sumbera , X. M. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , Z. W. Sweger , P. Szymanski , A. H. Tang , Z. Tang , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , C. A. Tomkiel , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , T. Truhlar , B. A. Trzeciak , O. D. Tsai , C. Y. Tsang , Z. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , J. Vanek , I. Vassiliev , V. Verkest , F. Videbæk , S. A. Voloshin , F. Wang , G. Wang , J. S. Wang , P. Wang , X. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , D. Wielanek , H. Wieman , S. W. Wissink , R. Witt , J. Wu , 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 , G. Yan , 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 , Y. Zhang , Y. Zhang , Y. Zhang , Z. J. Zhang , Z. Zhang , Z. Zhang , F. Zhao , J. Zhao , M. Zhao , C. Zhou , J. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Measuring transversity densities in singly polarized hadron-hadron and lepton-hadron collisions

We show how the transverse polarization of a quark initiating a jet can be probed by the azimuthal distribution of two hadrons (of large $z$) in the jet. This permits a twist 2 asymmetry in hard processes when only one of the initial…

High Energy Physics - Phenomenology · Physics 2011-07-19 John C. Collins , Steve F. Heppelmann , Glenn A. Ladinsky