Related papers: Single Spin Asymmetries at COMPASS with transverse…

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

Single spin asymmetries in inclusive high energy hadron-hadron collision processes

It has been realized for quite a long time that single-spin experiments, in which one of the colliding objects is transversely polarized, can be helpful in studying the properties of strong interaction in general and in testing Quantum…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zuo-tang Liang , C. Boros

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV

In 2015, the PHENIX collaboration has measured very forward ($\eta>6.8$) single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus collisions at a center of mass energy of 200 GeV. A previous…

High Energy Physics - Experiment · Physics 2021-03-03 U. A. Acharya , C. Aidala , Y. Akiba , M. Alfred , V. Andrieux , N. Apadula , H. Asano , B. Azmoun , V. Babintsev , N. S. Bandara , K. N. Barish , S. Bathe , A. Bazilevsky , M. Beaumier , R. Belmont , A. Berdnikov , Y. Berdnikov , L. Bichon , B. Blankenship , D. S. Blau , J. S. Bok , V. Borisov , M. L. Brooks , J. Bryslawskyj , V. Bumazhnov , S. Campbell , V. Canoa Roman , R. Cervantes , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , Z. Citron , M. Connors , R. Corliss , N. Cronin , M. Csanád , T. Csörgő , T. W. Danley , M. S. Daugherity , G. David , K. DeBlasio , K. Dehmelt , A. Denisov , A. Deshpande , E. J. Desmond , A. Dion , D. Dixit , J. H. Do , A. Drees , K. A. Drees , J. M. Durham , A. Durum , A. Enokizono , H. En'yo , R. Esha , S. Esumi , B. Fadem , W. Fan , N. Feege , D. E. Fields , M. Finger , M. Finger, , D. Firak , D. Fitzgerald , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukuda , C. Gal , P. Gallus , P. Garg , H. Ge , M. Giles , F. Giordano , Y. Goto , N. Grau , S. V. Greene , M. Grosse Perdekamp , T. Gunji , H. Guragain , T. Hachiya , J. S. Haggerty , K. I. Hahn , H. Hamagaki , H. F. Hamilton , S. Y. Han , J. Hanks , S. Hasegawa , T. O. S. Haseler , X. He , T. K. Hemmick , J. C. Hill , K. Hill , A. Hodges , R. S. Hollis , K. Homma , B. Hong , T. Hoshino , N. Hotvedt , J. Huang , S. Huang , K. Imai , M. Inaba , A. Iordanova , D. Isenhower , D. Ivanishchev , B. V. Jacak , M. Jezghani , Z. Ji , X. Jiang , B. M. Johnson , D. Jouan , D. S. Jumper , J. H. Kang , D. Kapukchyan , S. Karthas , D. Kawall , A. V. Kazantsev , V. Khachatryan , A. Khanzadeev , A. Khatiwada , C. Kim , E. -J. Kim , M. Kim , D. Kincses , A. Kingan , E. Kistenev , J. Klatsky , P. Kline , T. Koblesky , D. Kotov , S. Kudo , B. Kurgyis , K. Kurita , Y. Kwon , J. G. Lajoie , D. Larionova , M. Larionova , A. Lebedev , S. Lee , S. H. Lee , M. J. Leitch , Y. H. Leung , N. A. Lewis , X. Li , S. H. Lim , M. X. Liu , V. -R. Loggins , S. Lökös , K. Lovasz , D. Lynch , T. Majoros , Y. I. Makdisi , M. Makek , V. I. Manko , E. Mannel , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , M. Mendoza , W. J. Metzger , A. C. Mignerey , A. Milov , D. K. Mishra , J. T. Mitchell , Iu. Mitrankov , G. Mitsuka , S. Miyasaka , S. Mizuno , M. M. Mondal , P. Montuenga , T. Moon , D. P. Morrison , S. I. Morrow , B. Mulilo , T. Murakami , J. Murata , K. Nagai , K. Nagashima , T. Nagashima , J. L. Nagle , M. I. Nagy , I. Nakagawa , K. Nakano , C. Nattrass , S. Nelson , T. Niida , R. Nouicer , T. Novák , N. Novitzky , A. S. Nyanin , E. O'Brien , C. A. Ogilvie , J. D. Orjuela Koop , J. D. Osborn , A. Oskarsson , G. J. Ottino , K. Ozawa , V. Pantuev , V. Papavassiliou , J. S. Park , S. Park , S. F. Pate , M. Patel , W. Peng , D. V. Perepelitsa , G. D. N. Perera , D. Yu. Peressounko , C. E. PerezLara , J. Perry , R. Petti , M. Phipps , C. Pinkenburg , R. P. Pisani , M. Potekhin , A. Pun , M. L. Purschke , P. V. Radzevich , N. Ramasubramanian , K. F. Read , D. Reynolds , V. Riabov , Y. Riabov , D. Richford , T. Rinn , S. D. Rolnick , M. Rosati , Z. Rowan , J. Runchey , A. S. Safonov , T. Sakaguchi , H. Sako , V. Samsonov , M. Sarsour , S. Sato , B. Schaefer , B. K. Schmoll , K. Sedgwick , R. Seidl , A. Sen , R. Seto , A. Sexton , D Sharma , D. Sharma , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , T. Shioya , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , B. K. Singh , C. P. Singh , V. Singh , M. Slunečka , K. L. Smith , M. Snowball , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , P. W. Stankus , S. P. Stoll , T. Sugitate , A. Sukhanov , T. Sumita , J. Sun , X. Sun , Z. Sun , J. Sziklai , K. Tanida , M. J. Tannenbaum , S. Tarafdar , G. Tarnai , R. Tieulent , A. Timilsina , T. Todoroki , M. Tomášek , C. L. Towell , R. S. Towell , I. Tserruya , Y. Ueda , B. Ujvari , H. W. van Hecke , J. Velkovska , M. Virius , V. Vrba , N. Vukman , X. R. Wang , Y. S. Watanabe , C. P. Wong , C. L. Woody , Y. Wu , C. Xu , Q. Xu , L. Xue , S. Yalcin , Y. L. Yamaguchi , H. Yamamoto , A. Yanovich , J. H. Yoo , I. Yoon , H. Yu , I. E. Yushmanov , W. A. Zajc , A. Zelenski , Y. Zhai , S. Zharko , L. Zou

Measurement of Transverse Single-Spin Asymmetries for Mid-rapidity Production of Neutral Pions and Charged Hadrons in Polarized p+p Collisions at sqrt(s) = 200 GeV

The transverse single-spin asymmetries of neutral pions and non-identified charged hadrons have been measured at mid-rapidity in polarized proton-proton collisions at sqrt(s) = 200 GeV. The data cover a transverse momentum (p_T) range…

High Energy Physics - Experiment · Physics 2008-11-26 PHENIX Collaboration , S. S. Adler

Single Spin Asymmetries of Inclusive Hadrons Produced in Electron Scattering from a Transversely Polarized $^3$He Target

We report the first measurement of target single-spin asymmetries (A$_N$) in the inclusive hadron production reaction, $e~$+$~^3\text{He}^{\uparrow}\rightarrow h+X$, using a transversely polarized $^3$He target. The experiment was conducted…

Nuclear Experiment · Physics 2014-04-08 K. Allada , Y. X. Zhao , 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. 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. Munoz 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. Sirca , S. Stepanyan , R. Subedi , V. Sulkosky , L. -G. Tang , A. Tobias , G. M. Urciuoli , I. Vilardi , K. Wang , Y. 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

Future Programme of COMPASS at CERN

COMPASS at CERN is preparing for a new series of measurements on the nucleon structure comprising deep virtual Compton scattering and hard exclusive meson production using muon beams, as well as Drell-Yan reactions using a polarised proton…

High Energy Physics - Experiment · Physics 2012-06-14 Gerhard K. Mallot

Transverse spin-dependent azimuthal correlations of charged pion pairs measured in p$^\uparrow$+p collisions at $\sqrt{s}$ = 500 GeV

The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, and is only loosely constrained by global fits to existing…

High Energy Physics - Experiment · Physics 2018-03-16 STAR Collaboration , L. Adamczyk , J. R. Adams , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , N. N. Ajitanand , I. Alekseev , D. M. Anderson , R. Aoyama , A. Aparin , D. Arkhipkin , E. C. Aschenauer , M. U. Ashraf , A. Attri , G. S. Averichev , X. Bai , V. Bairathi , K. Barish , A. Behera , R. Bellwied , A. Bhasin , A. K. Bhati , P. Bhattarai , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , J. Bouchet , J. D. Brandenburg , A. V. Brandin , D. Brown , J. Bryslawskyj , I. Bunzarov , J. Butterworth , H. Caines , M. Calderón de la Barca Sánchez , J. M. Campbell , D. Cebra , I. Chakaberia , P. Chaloupka , Z. Chang , N. Chankova-Bunzarova , A. Chatterjee , S. Chattopadhyay , X. Chen , J. H. Chen , X. Chen , J. Cheng , M. Cherney , W. Christie , G. Contin , H. J. Crawford , S. Das , T. G. Dedovich , J. Deng , I. M. Deppner , A. A. Derevschikov , L. Didenko , C. Dilks , X. Dong , J. L. Drachenberg , J. E. Draper , J. C. Dunlop , L. G. Efimov , N. Elsey , J. Engelage , G. Eppley , R. Esha , S. Esumi , O. Evdokimov , J. Ewigleben , O. Eyser , R. Fatemi , S. Fazio , P. Federic , P. Federicova , J. Fedorisin , Z. Feng , P. Filip , E. Finch , Y. Fisyak , C. E. Flores , J. Fujita , L. Fulek , C. A. Gagliardi , F. Geurts , A. Gibson , M. Girard , D. Grosnick , D. S. Gunarathne , Y. Guo , A. Gupta , W. Guryn , A. I. Hamad , A. Hamed , A. Harlenderova , J. W. Harris , L. He , S. Heppelmann , S. Heppelmann , N. Herrmann , A. Hirsch , S. Horvat , X. Huang , H. Z. Huang , T. Huang , B. Huang , T. J. Humanic , P. Huo , G. Igo , W. W. Jacobs , A. Jentsch , J. Jia , K. Jiang , S. Jowzaee , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , Z. Khan , D. P. Kikoła , C. Kim , I. Kisel , A. Kisiel , L. Kochenda , M. Kocmanek , T. Kollegger , L. K. Kosarzewski , A. F. Kraishan , L. Krauth , P. Kravtsov , K. Krueger , N. Kulathunga , L. Kumar , J. Kvapil , J. H. Kwasizur , R. Lacey , J. M. Landgraf , K. D. Landry , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , W. Li , C. Li , X. Li , Y. Li , J. Lidrych , T. Lin , M. A. Lisa , F. Liu , P. Liu , Y. Liu , H. Liu , T. Ljubicic , W. J. Llope , M. Lomnitz , R. S. Longacre , S. Luo , X. Luo , G. L. Ma , R. Ma , Y. G. Ma , L. Ma , N. Magdy , R. Majka , D. Mallick , S. Margetis , C. Markert , H. S. Matis , D. Mayes , K. Meehan , J. C. Mei , Z. W. Miller , N. G. Minaev , S. Mioduszewski , D. Mishra , S. Mizuno , B. Mohanty , M. M. Mondal , D. A. Morozov , M. K. Mustafa , Md. Nasim , T. K. Nayak , J. M. Nelson , D. B. Nemes , M. Nie , G. Nigmatkulov , T. Niida , L. V. Nogach , T. Nonaka , S. B. Nurushev , G. Odyniec , A. Ogawa , K. Oh , V. A. Okorokov , D. Olvitt , B. S. Page , R. Pak , Y. Pandit , Y. Panebratsev , B. Pawlik , H. Pei , C. Perkins , J. Pluta , K. Poniatowska , J. Porter , M. Posik , N. K. Pruthi , M. Przybycien , J. Putschke , A. Quintero , S. Ramachandran , R. L. Ray , R. Reed , M. J. Rehbein , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , J. D. Roth , L. Ruan , J. Rusnak , O. Rusnakova , N. R. Sahoo , P. K. Sahu , S. Salur , J. Sandweiss , M. Saur , J. Schambach , A. M. Schmah , W. B. Schmidke , N. Schmitz , B. R. Schweid , J. Seger , M. Sergeeva , R. Seto , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , M. Shao , W. Q. Shen , S. S. Shi , Z. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , M. Simko , S. Singha , M. J. Skoby , N. Smirnov , D. Smirnov , W. Solyst , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , D. J. Stewart , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , T. Sugiura , M. Sumbera , B. Summa , X. Sun , Y. Sun , X. M. Sun , B. Surrow , D. N. Svirida , Z. Tang , A. H. Tang , A. Taranenko , T. Tarnowsky , A. Tawfik , J. Thäder , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , M. Tokarev , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , B. A. Trzeciak , O. D. Tsai , B. Tu , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , G. van Nieuwenhuizen , A. N. Vasiliev , F. Videbæk , S. Vokal , S. A. Voloshin , A. Vossen , G. Wang , F. Wang , Y. Wang , Y. Wang , G. Webb , J. C. Webb , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , R. Witt , Y. Wu , Z. G. Xiao , G. Xie , W. Xie , Q. H. Xu , Y. F. Xu , J. Xu , N. Xu , Z. Xu , C. Yang , S. Yang , Q. Yang , Y. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , I. -K. Yoo , N. Yu , H. Zbroszczyk , W. Zha , J. B. Zhang , J. Zhang , S. Zhang , L. Zhang , J. Zhang , X. P. Zhang , Z. Zhang , S. Zhang , Y. Zhang , J. Zhao , C. Zhong , C. Zhou , L. Zhou , X. Zhu , Z. Zhu , M. Zyzak

One-Loop Corrections of Single Spin Asymmetries in Semi-Inclusive DIS

We study single spin asymmetries at one-loop accuracy in semi-inclusive DIS with a transversely polarized hadron in the initial state. Two measurable spin observables are predicted in the framework of QCD collinear factorization. One of the…

High Energy Physics - Phenomenology · Physics 2018-04-17 A. P. Chen , J. P. Ma , G. P. Zhang

Single Target-Spin Asymmetry in Semi-Inclusive Deep Inelastic Scattering on Transversely Polarized Nucleon Target

We use a new set of Collins functions to update a previous prediction on the azimuthal asymmetries of pion productions in semi-inclusive deep inelastic scattering (SIDIS) process on a transversely polarized nucleon target. We find that the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yang Huang , Jun She , Bo-Qiang Ma

Effects of transversity in deep-inelastic scattering by polarized protons

Single-spin asymmetries for pions and charged kaons are measured in semi-inclusive deep-inelastic scattering of positrons and electrons off a transversely nuclear-polarized hydrogen target. The dependence of the cross section on the…

High Energy Physics - Experiment · Physics 2014-11-21 HERMES collaboration , A. Airapetian , N. Akopov , Z. Akopov , E. C. Aschenauer , W. Augustyniak , R. Avakian , A. Avetissian , E. Avetisyan , A. Bacchetta , S. Belostotski , N. Bianchi , H. P. Blok , A. Borissov , J. Bowles , I. Brodski , V. Bryzgalov , J. Burns , M. Capiluppi , G. P. Capitani , E. Cisbani , G. Ciullo , M. Contalbrigo , P. F. Dalpiaz , W. Deconinck , R. De Leo , L. De Nardo , E. De Sanctis , M. Diefenthaler , P. Di Nezza , M. Dueren , M. Ehrenfried , G. Elbakian , F. Ellinghaus , U. Elschenbroich , R. Fabbri , A. Fantoni , L. Felawka , S. Frullani , D. Gabbert , G. Gapienko , V. Gapienko , F. Garibaldi , V. Gharibyan , F. Giordano , S. Gliske , M. Golembiovskaya , C. Hadjidakis , M. Hartig , D. Hasch , G. Hill , A. Hillenbrand , M. Hoek , Y. Holler , I. Hristova , Y. Imazu , A. Ivanilov , A. Izotov , H. E. Jackson , H. S. Jo , S. Joosten , R. Kaiser , G. Karyan , T. Keri , E. Kinney , A. Kisselev , N. Kobayashi , V. Korotkov , V. Kozlov , P. Kravchenko , L. Lagamba , R. Lamb , L. Lapikas , I. Lehmann , P. Lenisa , L. A. Linden-Levy , A. Lopez Ruiz , W. Lorenzon , X. -G. Lu , X. -R. Lu , B. -Q. Ma , D. Mahon , N. C. R. Makins , S. I. Manaenkov , L. Manfre , Y. Mao , B. Marianski , A. Martinez de la Ossa , H. Marukyan , C. A. Miller , Y. Miyachi , A. Movsisyan , M. Murray , A. Mussgiller , E. Nappi , Y. Naryshkin , A. Nass , M. Negodaev , W. -D. Nowak , L. L. Pappalardo , R. Perez-Benito , N. Pickert , M. Raithel , P. E. Reimer , A. R. Reolon , C. Riedl , K. Rith , G. Rosner , A. Rostomyan , J. Rubin , D. Ryckbosch , Y. Salomatin , F. Sanftl , A. Schaefer , G. Schnell , B. Seitz , T. -A. Shibata , V. Shutov , M. Stancari , M. Statera , E. Steffens , J. J. M. Steijger , H. Stenzel , J. Stewart , F. Stinzing , S. Taroian , A. Terkulov , A. Trzcinski , M. Tytgat , P. B. van der Nat , Y. Van Haarlem , C. Van Hulse , D. Veretennikov , V. Vikhrov , I. Vilardi , C. Vogel , S. Wang , S. Yaschenko , H. Ye , Z. Ye , S. Yen , W. Yu , D. Zeiler , B. Zihlmann , P. Zupranski

Measurement of the gluon polarization \Delta G/G at COMPASS

One of the key objectives of the COMPASS experiment at CERN is the determination of the gluon contribution to the nucleon spin. The gluon polarization is measured via photon-gluon fusion in deep-inelastic scattering of 160 GeV/c polarized…

High Energy Physics - Experiment · Physics 2017-08-23 C. Schill

Nucleon partonic spin structure to be explored by the unpolarized Drell-Yan program of COMPASS experiment at CERN

The observation of the violation of Lam-Tung relation in the $\pi N$ Drell-Yan process triggered many theoretical speculations. The TMD Boer-Mulders functions characterizing the correlation of transverse momentum and transverse spin for…

Nuclear Experiment · Physics 2016-03-23 Wen-Chen Chang

Sivers function: SIDIS data, fits and predictions

The most recent data on the weighted transverse single spin asymmetry A_{UT}^{\sin(\phi_h-\phi_S)} from HERMES and COMPASS collaborations are analysed within LO parton model; all transverse motions are taken into account. Extraction of the…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. Anselmino , M. Boglione , U. D'Alesio , A. Kotzinian , F. Murgia , A. Prokudin

Transversity measurements at HERMES

Azimuthal single-spin asymmetries (SSA) in semi-inclusive electroproduction of charged pions in deep-inelastic scattering (DIS) of positrons on a transversely polarised hydrogen target are presented. Azimuthal moments for both the Collins…

High Energy Physics - Experiment · Physics 2009-11-11 Markus Diefenthaler

Polarized Drell-Yan at COMPASS-II: Transverse Spin Physics Program

Successful realization of polarized Drell-Yan physics program is one of the main goals of the second stage of the COMPASS experiment. Drell-Yan measurements with high energy (190 GeV/c) pion beam and transversely polarized NH3 target have…

High Energy Physics - Experiment · Physics 2016-03-23 Bakur Parsamyan

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

Light Scalar Mesons in Central Production at COMPASS

COMPASS is a fixed-target experiment at the CERN SPS that studies the spectrum of light-quark hadrons. In 2009, it collected a large dataset using a $190\,$GeV$/c$ positive hadron beam impinging on a liquid-hydrogen target in order to…

High Energy Physics - Experiment · Physics 2019-08-13 A. Austregesilo

Recent results on angular momentum and strangeness in the nucleon

HERMES has measured azimuthal single-spin asymmetries of pions and charged kaons produced in deep-inelastic scattering of electrons and positrons off a transversely polarized hydrogen target. These asymmetries provide information about the…

High Energy Physics - Experiment · Physics 2019-08-13 Achim Hillenbrand

Single-spin Azimuthal Asymmetries in the ``Reduced Twist-3 Approximation''

We consider the single-spin azimuthal asymmetries recently measured at the HERMES experiment for charged pions produced in semi-inclusive deep inelastic scattering of leptons off longitudinally polarized protons. Guided by the experimental…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. De Sanctis , W. -D. Nowak , K. A. Oganessyan

Transverse target-spin asymmetry associated with DVCS on the proton and a resulting model-dependent constraint on the total angular momentum of quarks in the nucleon

Results are reported on the transverse target-spin asymmetry associated with deeply virtual Compton scattering on the proton, extracted from the data accumulated by the HERMES experiment in the years 2002-2004. By comparing the HERMES…

High Energy Physics - Experiment · Physics 2017-08-23 Zhenyu Ye