Related papers: Recent Results in Polarized Proton-Proton Elastic …

Results on Elastic Cross Sections in Proton-Proton Collisions at $\sqrt{s} = 510$ GeV with the STAR Detector at RHIC

We report results on an elastic cross section measurement in proton-proton collisions at a center-of-mass energy $\sqrt{s}=510$ GeV, obtained with the Roman Pot setup of the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The…

High Energy Physics - Experiment · Physics 2024-05-08 STAR Collaboration , M. I. Abdulhamid , B. E. Aboona , J. Adam , L. Adamczyk , J. R. Adams , I. Aggarwal , M. M. Aggarwal , Z. Ahammed , E. C. Aschenauer , S. Aslam , J. Atchison , V. Bairathi , J. G. Ball Cap , K. Barish , R. Bellwied , P. Bhagat , A. Bhasin , S. Bhatta , S. R. Bhosale , J. Bielcik , J. Bielcikova , J. D. Brandenburg , C. Broodo , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , J. Ceska , I. Chakaberia , P. Chaloupka , 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 , M. Csanád , G. Dale-Gau , A. Das , I. M. Deppner , A. Dhamija , P. Dixit , X. Dong , J. L. Drachenberg , E. Duckworth , J. C. Dunlop , J. Engelage , G. Eppley , S. Esumi , O. Evdokimov , O. Eyser , R. Fatemi , S. Fazio , C. J. Feng , Y. Feng , E. Finch , Y. Fisyak , F. A. Flor , C. Fu , C. A. Gagliardi , T. Galatyuk , T. Gao , 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-Smith , W. He , X. H. He , Y. He , N. Herrmann , L. Holub , 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 , M. Isshiki , W. W. Jacobs , A. Jalotra , C. Jena , A. Jentsch , Y. Ji , J. Jia , C. Jin , X. Ju , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , D. Kapukchyan , K. Kauder , D. Keane , A. Khanal , Y. V. Khyzhniak , D. P. Kikoła , D. Kincses , I. Kisel , A. Kiselev , A. G. Knospe , H. S. Ko , L. K. Kosarzewski , L. Kumar , M. C. Labonte , R. Lacey , J. M. Landgraf , J. Lauret , A. Lebedev , J. H. Lee , Y. H. Leung , N. Lewis , C. Li , D. Li , H-S. Li , H. Li , W. Li , X. Li , Y. Li , Y. Li , Z. Li , X. Liang , Y. Liang , R. Licenik , T. Lin , Y. Lin , M. A. Lisa , C. Liu , G. Liu , H. Liu , L. Liu , T. Liu , X. Liu , Y. Liu , Z. Liu , T. Ljubicic , O. Lomicky , R. S. Longacre , E. M. Loyd , T. Lu , J. Luo , X. F. Luo , L. Ma , R. Ma , Y. G. Ma , N. Magdy , D. Mallick , R. Manikandhan , S. Margetis , C. Markert , H. S. Matis , G. McNamara , O. Mezhanska , K. Mi , S. Mioduszewski , B. Mohanty , M. M. Mondal , I. Mooney , 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 , T. Nonaka , G. Odyniec , A. Ogawa , S. Oh , K. Okubo , B. S. Page , R. Pak , S. Pal , A. Pandav , T. Pani , A. Paul , B. Pawlik , D. Pawlowska , C. Perkins , J. Pluta , B. R. Pokhrel , M. Posik , T. Protzman , V. Prozorova , N. K. Pruthi , M. Przybycien , J. Putschke , Z. Qin , H. Qiu , C. Racz , S. K. Radhakrishnan , A. Rana , R. L. Ray , R. Reed , H. G. Ritter , C. W. Robertson , M. Robotkova , M. A. Rosales Aguilar , D. Roy , P. Roy Chowdhury , L. Ruan , A. K. Sahoo , N. R. Sahoo , H. Sako , S. Salur , S. Sato , B. C. Schaefer , W. B. Schmidke , N. Schmitz , F-J. Seck , J. Seger , R. Seto , P. Seyboth , N. Shah , 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 , N. Smirnov , Y. Söhngen , Y. Song , B. Srivastava , T. D. S. Stanislaus , M. Stefaniak , D. J. Stewart , B. Stringfellow , Y. Su , A. A. P. Suaide , M. Sumbera , C. Sun , X. Sun , Y. Sun , Y. Sun , B. Surrow , Z. W. Sweger , A. C. Tamis , A. H. Tang , Z. Tang , T. Tarnowsky , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , S. Trentalange , P. Tribedy , S. K. Tripathy , T. Truhlar , B. A. Trzeciak , O. D. Tsai , C. Y. Tsang , Z. Tu , J. Tyler , 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 , J. Wang , K. Wang , X. Wang , Y. Wang , Y. Wang , Y. Wang , Z. Wang , J. C. Webb , P. C. Weidenkaff , G. D. Westfall , D. Wielanek , H. Wieman , G. Wilks , S. W. Wissink , R. Witt , J. Wu , J. Wu , X. Wu , X. 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 , H. Zbroszczyk , 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 , J. Zhou , S. Zhou , Y. Zhou , X. Zhu , M. Zurek , M. Zyzak

Spin Physics with STAR at RHIC

STAR collected data in proton-proton collisions at sqrt(s)=200 GeV with transverse and longitudinal beam polarizations during the initial running periods in 2002--2004 at the Relativistic Heavy Ion Collider at Brookhaven National…

Nuclear Experiment · Physics 2019-08-14 J. Kiryluk

Precision Small Scattering Angle Measurements of Elastic Proton-Proton Single and Double Spin Analyzing Powers at the RHIC Hydrogen Jet Polarimeter

The Polarized Atomic Hydrogen Gas Jet Target polarimeter is employed by the Relativistic Heavy Ion Collider (RHIC) to measure the absolute polarization of each colliding proton beam. Polarimeter detectors and data acquisition were upgraded…

High Energy Physics - Experiment · Physics 2019-10-18 A. A. Poblaguev , A. Zelenski , E. Aschenauer , G. Atoian , K. O. Eyser , H. Huang , Y. Makdisi , W. B. Schmidke , I. Alekseev , D. Svirida , N. H. Buttimore

Single Spin Asymmetry $A_N$ in Polarized Proton-Proton Elastic Scattering at $\sqrt{s}=200$ GeV

We report a high precision measurement of the transverse single spin asymmetry $A_N$ at the center of mass energy $\sqrt{s}=200$ GeV in elastic proton-proton scattering by the STAR experiment at RHIC. The $A_N$ was measured in the…

Nuclear Experiment · Physics 2013-01-31 STAR Collaboration , L. Adamczyk , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , A. V. Alakhverdyants , I. Alekseev , J. Alford , C. D. Anson , D. Arkhipkin , E. Aschenauer , G. S. Averichev , J. Balewski , A. Banerjee , Z. Barnovska , D. R. Beavis , R. Bellwied , M. J. Betancourt , R. R. Betts , A. Bhasin , A. K. Bhati , H. Bichsel , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , W. Borowski , J. Bouchet , A. V. Brandin , S. G. Brovko , E. Bruna , S. Bültmann , I. Bunzarov , T. P. Burton , J. Butterworth , X. Z. Cai , H. Caines , M. Calderón de la Barca Sánchez , D. Cebra , R. Cendejas , M. C. Cervantes , P. Chaloupka , Z. Chang , S. Chattopadhyay , H. F. Chen , J. H. Chen , J. Y. Chen , L. Chen , J. Cheng , M. Cherney , A. Chikanian , W. Christie , P. Chung , J. Chwastowski , M. J. M. Codrington , R. Corliss , J. G. Cramer , H. J. Crawford , X. Cui , S. Das , A. Davila Leyva , L. C. De Silva , R. R. Debbe , T. G. Dedovich , J. Deng , R. Derradi de Souza , S. Dhamija , L. Didenko , F. Ding , A. Dion , P. Djawotho , X. Dong , J. L. Drachenberg , J. E. Draper , C. M. Du , L. E. Dunkelberger , J. C. Dunlop , L. G. Efimov , M. Elnimr , J. Engelage , G. Eppley , L. Eun , O. Evdokimov , R. Fatemi , S. Fazio , J. Fedorisin , R. G. Fersch , P. Filip , E. Finch , Y. Fisyak , C. A. Gagliardi , D. R. Gangadharan , F. Geurts , A. Gibson , S. Gliske , Y. N. Gorbunov , O. G. Grebenyuk , D. Grosnick , S. Gupta , W. Guryn , B. Haag , O. Hajkova , A. Hamed , L-X. Han , J. W. Harris , J. P. Hays-Wehle , S. Heppelmann , A. Hirsch , G. W. Hoffmann , D. J. Hofman , S. Horvat , B. Huang , H. Z. Huang , P. Huck , T. J. Humanic , L. Huo , G. Igo , W. W. Jacobs , C. Jena , E. G. Judd , S. Kabana , K. Kang , J. Kapitan , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , A. Kesich , D. P. Kikola , J. Kiryluk , I. Kisel , A. Kisiel , V. Kizka , S. R. Klein , D. D. Koetke , T. Kollegger , J. Konzer , I. Koralt , L. Koroleva , W. Korsch , L. Kotchenda , P. Kravtsov , K. Krueger , I. Kulakov , L. Kumar , M. A. C. Lamont , J. M. Landgraf , S. LaPointe , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , W. Leight , M. J. LeVine , C. Li , L. Li , W. Li , X. Li , X. Li , Y. Li , Z. M. Li , L. M. Lima , M. A. Lisa , F. Liu , T. Ljubicic , W. J. Llope , R. S. Longacre , Y. Lu , X. Luo , A. Luszczak , G. L. Ma , Y. G. Ma , D. M. M. D. Madagodagettige Don , D. P. Mahapatra , R. Majka , O. I. Mall , S. Margetis , C. Markert , H. Masui , H. S. Matis , D. McDonald , T. S. McShane , S. Mioduszewski , M. K. Mitrovski , Y. Mohammed , B. Mohanty , M. M. Mondal , B. Morozov , M. G. Munhoz , M. K. Mustafa , M. Naglis , B. K. Nandi , Md. Nasim , T. K. Nayak , J. M. Nelson , L. V. Nogach , J. Novak , G. Odyniec , A. Ogawa , K. Oh , A. Ohlson , V. Okorokov , E. W. Oldag , R. A. N. Oliveira , D. Olson , P. Ostrowski , M. Pachr , B. S. Page , S. K. Pal , Y. X. Pan , Y. Pandit , Y. Panebratsev , T. Pawlak , B. Pawlik , H. Pei , C. Perkins , W. Peryt , P. Pile , M. Planinic , J. Pluta , D. Plyku , N. Poljak , J. Porter , A. M. Poskanzer , C. B. Powell , C. Pruneau , N. K. Pruthi , M. Przybycien , P. R. Pujahari , J. Putschke , H. Qiu , R. Raniwala , S. Raniwala , R. L. Ray , R. Redwine , R. Reed , C. K. Riley , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , J. F. Ross , L. Ruan , J. Rusnak , N. R. Sahoo , P. K. Sahu , I. Sakrejda , S. Salur , A. Sandacz , J. Sandweiss , E. Sangaline , A. Sarkar , J. Schambach , R. P. Scharenberg , A. M. Schmah , B. Schmidke , N. Schmitz , T. R. Schuster , J. Seele , J. Seger , P. Seyboth , N. Shah , E. Shahaliev , M. Shao , B. Sharma , M. Sharma , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , R. N. Singaraju , M. J. Skoby , D. Smirnov , N. Smirnov , D. Solanki , P. Sorensen , U. G. deSouza , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , S. G. Steadman , J. R. Stevens , R. Stock , M. Strikhanov , B. Stringfellow , A. A. P. Suaide , M. C. Suarez , M. Sumbera , X. M. Sun , Y. Sun , Z. Sun , B. Surrow , D. N. Svirida , T. J. M. Symons , A. Szanto de Toledo , J. Takahashi , A. H. Tang , Z. Tang , L. H. Tarini , T. Tarnowsky , D. Thein , J. H. Thomas , J. Tian , A. R. Timmins , D. Tlusty , M. Tokarev , S. Trentalange , R. E. Tribble , P. Tribedy , B. A. Trzeciak , O. D. Tsai , J. Turnau , T. Ullrich , D. G. Underwood , G. Van Buren , G. van Nieuwenhuizen , J. A. Vanfossen, , R. Varma , G. M. S. Vasconcelos , F. Videbæk , Y. P. Viyogi , S. Vokal , S. A. Voloshin , A. Vossen , M. Wada , F. Wang , G. Wang , H. Wang , J. S. Wang , Q. Wang , X. L. Wang , Y. Wang , G. Webb , J. C. Webb , G. D. Westfall , C. Whitten , H. Wieman , S. W. Wissink , R. Witt , W. Witzke , Y. F. Wu , Z. Xiao , W. Xie , K. Xin , H. Xu , N. Xu , Q. H. Xu , W. Xu , Y. Xu , Z. Xu , L. Xue , Y. Yang , Y. Yang , P. Yepes , Y. Yi , K. Yip , I-K. Yoo , M. Zawisza , H. Zbroszczyk , J. B. Zhang , S. Zhang , X. P. Zhang , Y. Zhang , Z. P. Zhang , F. Zhao , J. Zhao , C. Zhong , X. Zhu , Y. H. Zhu , Y. Zoulkarneeva , M. Zyzak

Recent results from the STAR spin program at RHIC

The STAR experiment uses polarized p+p collisions at RHIC to determine the contributions to the spin of the proton from gluon spin and from orbital angular momentum of the quarks and gluons. Selective STAR measurements of the longitudinal…

High Energy Physics - Experiment · Physics 2008-11-26 M. Sarsour

First Measurement of Proton-Proton Elastic Scattering at RHIC

The first result of the pp2pp experiment at RHIC on elastic scattering of polarized protons at sqrt{s} = 200 GeV is reported here. The exponential slope parameter b of the diffractive peak of the elastic cross section in the t range 0.010…

Nuclear Experiment · Physics 2008-12-18 S. Bueltmann

Inclusive $A_{LL}$ Measurements at STAR

One of the primary goals of the RHIC Spin program is to determine the gluon polarization distribution within the proton. At leading order, $pp$ collisions involve a mixture of quark-quark, quark-gluon, and gluon-gluon scattering. In RHIC,…

High Energy Physics - Experiment · Physics 2019-08-13 Adam Kocoloski

The STAR W Program at RHIC

The production of $W$ bosons in polarized $p+p$ collisions at RHIC provides an excellent tool to probe the proton's sea quark distributions. At leading order $W^{-(+)}$ bosons are produced in $\bar{u}+d\,(\bar{d}+u)$ collisions, and…

Nuclear Experiment · Physics 2022-03-02 Justin R. Stevens

Recent STAR results and future prospects of $W^{\pm}$ boson production in polarized proton-proton collisions at RHIC

The STAR experiment at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory is providing fundamental measurements in high-energy polarized $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=200-500\,$GeV to deepen our understanding…

High Energy Physics - Experiment · Physics 2010-12-24 Bernd Surrow

Spin Physics with the STAR detector

The STAR detector will bring unique capabilities to the study of $\vec{p}+\vec{p}$ collisions up to total center of mass energies of 500 GeV at RHIC. The large acceptance of the time projection chamber and the electromagnetic calorimeter…

High Energy Physics - Experiment · Physics 2007-05-23 L. C. Bland

Status of the RHIC Spin Program

The Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory has been developing the capability of accelerating, storing and colliding high-energy polarized proton beams over the past several years. During this development…

High Energy Physics - Experiment · Physics 2009-11-10 L. C. Bland

Results on Total and Elastic Cross Sections in Proton-Proton Collisions at $\sqrt{s}$ = 200 GeV Obtained with the STAR Detector at RHIC

We report the first results on differential, total and elastic cross sections in proton-proton collisions at the Relativistic Heavy Ion Collider (RHIC) at $\sqrt{s}=200$ GeV. The data lwere obtained with the Roman Pot Detector subsystem of…

High Energy Physics - Experiment · Physics 2020-05-07 W. Guryn , B. Pawlik

From Elastic Scattering to Central Exclusive Production: Physics with Forward Protons at RHIC

We describe a physics program at the Relativistic Heavy Ion Collider (RHIC) with tagged forward protons. The program started with the proton-proton elastic scattering experiment (PP2PP), for which a set of Roman Pot stations was build. The…

Nuclear Experiment · Physics 2021-05-05 Wlodek Guryn

Future prospects of di-jet production constraining $\Delta g(x)$ at low $\mathbf{x}$ at STAR at RHIC

One of the main objectives of the high-energy spin physics program at RHIC at BNL is the precise determination of the polarized gluon distribution function, $\Delta g(x)$. Polarized $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=200\,$GeV and at…

High Energy Physics - Experiment · Physics 2014-07-17 Bernd Surrow

Central Exclusive Production in the STAR Experiment at RHIC

The STAR experiment at the Relativistic Heavy Ion Collider (RHIC) performs studies of diffractive processes with the focus on the exclusive production of particles in central range of rapidity. In 2015 STAR collected 18 pb$^{-1}$ of data in…

Nuclear Experiment · Physics 2019-08-13 Rafal Sikora

Local Polarimetry for Proton Beams with the STAR Beam Beam Counters

STAR collected data in proton-proton collisions at sqrt(s)=200 GeV with transverse and longitudinal beam polarizations during the 2003 running period at RHIC. We present preliminary results on single transverse spin asymmetries A_N in the…

High Energy Physics - Experiment · Physics 2019-08-14 J. Kiryluk

RHIC Spin Physics

We describe the foreseen spin physics of the polarized proton-proton collider at RHIC. The study of the spin structure of the nucleon at RHIC is unique and complementary to the traditional polarized DIS experiments. The sensitivities of the…

High Energy Physics - Experiment · Physics 2007-05-23 N. Hayashi , Y. Goto , N. Saito

Gluon Polarization in Longitudinally Polarized $pp$ Collisions at STAR

The STAR Collaboration is performing a wide range of measurements to determine the gluon helicity distribution in the proton. Gluon-gluon and quark-gluon scattering dominate jet production in proton-proton collisions at RHIC, so the…

High Energy Physics - Experiment · Physics 2019-08-13 Zilong Chang

The First RHIC Spin Run - at PHENIX and PP2PP

The RHIC spin program will probe the spin structure of the proton with polarized quarks and gluons by colliding beams of polarized protons at Brookhaven. The first collisions, at sqrt(s)=200GeV, were recorded this year in December 2001 and…

High Energy Physics - Experiment · Physics 2007-05-23 Gerry Bunce

The STAR W Spin Physics Program with $\sqrt(s)$ = 500 GeV Polarized pp Collisions at RHIC

Production of W bosons in longitudinally polarized pp collisions provides an excellent tool to probe the flavor-dependence of sea quark polarizations in the polarized proton. Current status and future plans for the W physics program with…

Nuclear Experiment · Physics 2019-08-13 W. W. Jacobs