Related papers: The STAR W Program at RHIC

Identified Particle Production from the BES at RHIC

The RHIC Beam Energy Scan focuses on the study of the QCD phase diagram --- temperature ($T$) vs. baryon chemical potential ($\mu_B$). The aim is to verify some predictions from QCD: that a cross-over occurs at $\mu_B$ = 0, that there…

Nuclear Experiment · Physics 2011-09-27 Lokesh Kumar

Longitudinal parity-violating asymmetry in hadronic decays of weak bosons in polarized proton collisions

We investigate the possible measurement of parity-violating spin asymmetries in jet pair production in proton-proton collisions at the Brookhaven Relativistic Heavy Ion Collider (RHIC), with the goal to constrain longitudinally polarized…

High Energy Physics - Phenomenology · Physics 2008-12-30 Edmond L. Berger , Pavel M. Nadolsky

Measurement of the Transverse Single-Spin Asymmetry for Mid-rapidity Production of Neutral Pions in Polarized p+p Collisions at 200 GeV Center-of-Mass Energy

The spin structure of the proton has revealed itself to be extremely complex and is an area of ongoing research. The Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) inaugurated its operation as the first…

High Energy Physics - Experiment · Physics 2007-05-23 Christine Angela Aidala

Measurement of parity-violating spin asymmetries in W$^{\pm}$ production at midrapidity in longitudinally polarized $p$$+$$p$ collisions

We present measurements from the PHENIX experiment of large parity-violating single spin asymmetries of high transverse momentum electrons and positrons from $W^\pm/Z$ decays, produced in longitudinally polarized $p$$+$$p$ collisions at…

High Energy Physics - Experiment · Physics 2016-04-27 A. Adare , C. Aidala , N. N. Ajitanand , Y. Akiba , R. Akimoto , J. Alexander , M. Alfred , K. Aoki , N. Apadula , Y. Aramaki , H. Asano , E. C. Aschenauer , E. T. Atomssa , T. C. Awes , B. Azmoun , V. Babintsev , M. Bai , X. Bai , N. S. Bandara , B. Bannier , K. N. Barish , B. Bassalleck , S. Bathe , V. Baublis , C. Baumann , S. Baumgart , A. Bazilevsky , M. Beaumier , S. Beckman , R. Belmont , A. Berdnikov , Y. Berdnikov , D. Black , D. S. Blau , J. S. Bok , K. Boyle , M. L. Brooks , J. Bryslawskyj , H. Buesching , V. Bumazhnov , S. Butsyk , S. Campbell , C. -H. Chen , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , S. Choi , R. K. Choudhury , P. Christiansen , T. Chujo , O. Chvala , V. Cianciolo , Z. Citron , B. A. Cole , M. Connors , N. Cronin , N. Crossette , M. Csanád , T. Csörgő , S. Dairaku , D. Danley , A. Datta , M. S. Daugherity , G. David , K. DeBlasio , K. Dehmelt , A. Denisov , A. Deshpande , E. J. Desmond , O. Dietzsch , L. Ding , A. Dion , P. B. Diss , J. H. Do , M. Donadelli , L. D'Orazio , O. Drapier , A. Drees , K. A. Drees , J. M. Durham , A. Durum , S. Edwards , Y. V. Efremenko , T. Engelmore , A. Enokizono , H. En'yo , S. Esumi , K. O. Eyser , B. Fadem , N. Feege , D. E. Fields , M. Finger , M. Finger , F. Fleuret , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukao , T. Fusayasu , K. Gainey , C. Gal , P. Gallus , P. Garg , A. Garishvili , I. Garishvili , H. Ge , F. Giordano , A. Glenn , X. Gong , M. Gonin , Y. Goto , R. Granier de Cassagnac , N. Grau , S. V. Greene , M. Grosse Perdekamp , Y. Gu , 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 , K. Hashimoto , R. Hayano , S. Hayashi , X. He , T. K. Hemmick , T. Hester , J. C. Hill , R. S. Hollis , K. Homma , B. Hong , T. Horaguchi , T. Hoshino , N. Hotvedt , J. Huang , S. Huang , T. Ichihara , H. Iinuma , Y. Ikeda , K. Imai , Y. Imazu , J. Imrek , M. Inaba , A. Iordanova , D. Isenhower , A. Isinhue , D. Ivanishchev , B. V. Jacak , M. Javani , S. J. Jeon , M. Jezghani , J. Jia , X. Jiang , B. M. Johnson , E. Joo , K. S. Joo , D. Jouan , D. S. Jumper , J. Kamin , S. Kanda , B. H. Kang , J. H. Kang , J. S. Kang , J. Kapustinsky , K. Karatsu , D. Kawall , A. V. Kazantsev , T. Kempel , J. A. Key , V. Khachatryan , P. K. Khandai , A. Khanzadeev , K. Kihara , K. M. Kijima , B. I. Kim , C. Kim , D. H. Kim , D. J. Kim , E. -J. Kim , G. W. Kim , H. -J. Kim , M. Kim , Y. -J. Kim , Y. K. Kim , B. Kimelman , E. Kinney , E. Kistenev , R. Kitamura , J. Klatsky , D. Kleinjan , P. Kline , T. Koblesky , M. Kofarago , B. Komkov , J. Koster , D. Kotchetkov , D. Kotov , F. Krizek , K. Kurita , M. Kurosawa , Y. Kwon , G. S. Kyle , R. Lacey , Y. S. Lai , J. G. Lajoie , A. Lebedev , D. M. Lee , G. H. Lee , J. Lee , K. B. Lee , K. S. Lee , S Lee , S. H. Lee , S. R. Lee , M. J. Leitch , M. A. L. Leite , M. Leitgab , B. Lewis , X. Li , S. H. Lim , L. A. Linden Levy , M. X. Liu , D. Lynch , C. F. Maguire , Y. I. Makdisi , M. Makek , A. Manion , V. I. Manko , E. Mannel , T. Maruyama , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , A. Meles , M. Mendoza , B. Meredith , Y. Miake , T. Mibe , J. Midori , A. C. Mignerey , A. J. Miller , A. Milov , D. K. Mishra , J. T. Mitchell , S. Miyasaka , S. Mizuno , A. K. Mohanty , S. Mohapatra , P. Montuenga , H. J. Moon , T. Moon , D. P. Morrison , M. Moskowitz , T. V. Moukhanova , T. Murakami , J. Murata , A. Mwai , T. Nagae , S. Nagamiya , K. Nagashima , J. L. Nagle , M. I. Nagy , I. Nakagawa , H. Nakagomi , Y. Nakamiya , K. R. Nakamura , T. Nakamura , K. Nakano , C. Nattrass , P. K. Netrakanti , M. Nihashi , T. Niida , S. Nishimura , R. Nouicer , T. Novak , N. Novitzky , A. Nukariya , A. S. Nyanin , H. Obayashi , E. O'Brien , C. A. Ogilvie , H. Oide , K. Okada , J. D. Orjuela Koop , J. D. Osborn , A. Oskarsson , H. Ozaki , K. Ozawa , R. Pak , V. Pantuev , V. Papavassiliou , I. H. Park , J. S. Park , S. Park , S. K. Park , S. F. Pate , L. Patel , M. Patel , H. Pei , J. -C. Peng , D. V. Perepelitsa , G. D. N. Perera , D. Yu. Peressounko , J. Perry , R. Petti , C. Pinkenburg , R. Pinson , R. P. Pisani , M. L. Purschke , H. Qu , J. Rak , B. J. Ramson , I. Ravinovich , K. F. Read , D. Reynolds , V. Riabov , Y. Riabov , E. Richardson , T. Rinn , N. Riveli , D. Roach , G. Roche , S. D. Rolnick , M. Rosati , Z. Rowan , J. G. Rubin , M. S. Ryu , B. Sahlmueller , N. Saito , T. Sakaguchi , H. Sako , V. Samsonov , M. Sarsour , S. Sato , S. Sawada , B. Schaefer , B. K. Schmoll , K. Sedgwick , J. Seele , R. Seidl , Y. Sekiguchi , A. Sen , R. Seto , P. Sett , A. Sexton , D. Sharma , A. Shaver , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , K. Shoji , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , K. S. Sim , B. K. Singh , C. P. Singh , V. Singh , M. Skolnik , M. Slunečka , M. Snowball , S. Solano , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , I. V. Sourikova , P. W. Stankus , P. Steinberg , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , M. R. Stone , T. Sugitate , A. Sukhanov , T. Sumita , J. Sun , J. Sziklai , E. M. Takagui , A. Takahara , A. Taketani , Y. Tanaka , S. Taneja , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , E. Tennant , R. Tieulent , A. Timilsina , T. Todoroki , M. Tomášek , H. Torii , C. L. Towell , M. Towell , R. Towell , R. S. Towell , I. Tserruya , Y. Tsuchimoto , C. Vale , H. W. van Hecke , M. Vargyas , E. Vazquez-Zambrano , A. Veicht , J. Velkovska , R. Vértesi , M. Virius , B. Voas , V. Vrba , E. Vznuzdaev , X. R. Wang , D. Watanabe , K. Watanabe , Y. Watanabe , Y. S. Watanabe , F. Wei , S. Whitaker , A. S. White , S. N. White , D. Winter , S. Wolin , C. L. Woody , M. Wysocki , B. Xia , L. Xue , S. Yalcin , Y. L. Yamaguchi , A. Yanovich , J. Ying , S. Yokkaichi , J. H. Yoo , I. Yoon , Z. You , I. Younus , H. Yu , I. E. Yushmanov , W. A. Zajc , A. Zelenski , S. Zhou , L. Zou

Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized $p$$+$$A$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV

During 2015 the Relativistic Heavy Ion Collider (RHIC) provided collisions of transversely polarized protons with Au and Al nuclei for the first time, enabling the exploration of transverse-single-spin asymmetries with heavy nuclei. Large…

High Energy Physics - Experiment · Physics 2019-08-10 C. Aidala , Y. Akiba , M. Alfred , V. Andrieux , K. Aoki , N. Apadula , H. Asano , C. Ayuso , B. Azmoun , V. Babintsev , A. Bagoly , N. S. Bandara , K. N. Barish , S. Bathe , A. Bazilevsky , M. Beaumier , R. Belmont , A. Berdnikov , Y. Berdnikov , D. S. Blau , M. Boer , J. S. Bok , M. L. Brooks , J. Bryslawskyj , V. Bumazhnov , C. Butler , S. Campbell , V. Canoa Roman , R. Cervantes , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , Z. Citron , M. Connors , 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 , M. Dumancic , J. M. Durham , A. Durum , T. Elder , A. Enokizono , H. En'yo , S. Esumi , B. Fadem , W. Fan , N. Feege , D. E. Fields , M. Finger , M. Finger, , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukuda , C. Gal , P. Gallus , P. Garg , H. Ge , 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 , R. S. Hollis , K. Homma , B. Hong , T. Hoshino , N. Hotvedt , J. Huang , S. Huang , K. Imai , J. Imrek , M. Inaba , A. Iordanova , D. Isenhower , Y. Ito , D. Ivanishchev , B. V. Jacak , M. Jezghani , Z. Ji , X. Jiang , B. M. Johnson , V. Jorjadze , D. Jouan , D. S. Jumper , J. H. Kang , D. Kapukchyan , S. Karthas , D. Kawall , A. V. Kazantsev , V. Khachatryan , A. Khanzadeev , C. Kim , D. J. Kim , E. -J. Kim , M. Kim , M. H. Kim , D. Kincses , E. Kistenev , J. Klatsky , P. Kline , T. Koblesky , D. Kotov , S. Kudo , K. Kurita , Y. Kwon , J. G. Lajoie , E. O. Lallow , A. Lebedev , S. Lee , M. J. Leitch , Y. H. Leung , N. A. Lewis , X. Li , S. H. Lim , L. D. Liu , M. X. Liu , V-R Loggins , V. -R. Loggins , S. Lokos , K. Lovasz , D. Lynch , T. Majoros , Y. I. Makdisi , M. Makek , M. Malaev , V. I. Manko , E. Mannel , H. Masuda , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , M. Mendoza , W. J. Metzger , A. C. Mignerey , D. E. Mihalik , A. Milov , D. K. Mishra , J. T. Mitchell , G. Mitsuka , S. Miyasaka , S. Mizuno , P. Montuenga , T. Moon , D. P. Morrison , S. I. M. Morrow , T. Murakami , J. Murata , K. Nagai , K. Nagashima , T. Nagashima , J. L. Nagle , M. I. Nagy , I. Nakagawa , H. Nakagomi , K. Nakano , C. Nattrass , T. Niida , R. Nouicer , T. Novák , N. Novitzky , R. Novotny , 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 , A. Pun , M. L. Purschke , P. V. Radzevich , 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 , K. Sato , S. Sato , B. Schaefer , B. K. Schmoll , K. Sedgwick , R. Seidl , A. Sen , R. Seto , A. Sexton , 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. J. Skoby , 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 , S. Syed , J. Sziklai , A Takeda , 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 , S. Vazquez-Carson , J. Velkovska , M. Virius , V. Vrba , N. Vukman , X. R. Wang , Z. Wang , Y. Watanabe , Y. S. Watanabe , C. P. Wong , C. L. Woody , C. Xu , Q. Xu , L. Xue , S. Yalcin , Y. L. Yamaguchi , H. Yamamoto , A. Yanovich , P. Yin , J. H. Yoo , I. Yoon , H. Yu , I. E. Yushmanov , W. A. Zajc , A. Zelenski , S. Zharko , L. Zou

Spin asymmetries from Non Standard Physics with polarized proton beams at RHIC

A new handed interaction between quarks could be at the origin of some small parity violating effects in the inclusive production of one-jet in polarized $pp$ collisions. This interaction could originate from compositeness or from the…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Taxil , J. -M. Virey

Effect of sea quarks on single-spin asymmetries $A^{W^{\pm}}_{N}$ in transversely polarized pp collisions at RHIC

We calculate the single-spin asymmetries $A^{W^{\pm}}_{N}$ of $W^{\pm}$ bosons produced in transversely polarized pp collisions with the valence part of the up (u) and down (d) quark Sivers functions treated by an available parametrization…

High Energy Physics - Phenomenology · Physics 2017-09-25 Fang Tian , Chang Gong , Bo-Qiang Ma

STAR results from the first RHIC year

An overview is presented of the results of the STAR experiment from the analysis of Au+Au collisions at $\sqrt{s_{_{NN}}} = 130$ GeV acquired during the first year of RHIC operation. The transverse momentum distribution of negative hadrons…

High Energy Physics - Phenomenology · Physics 2017-08-23 Rene Bellwied

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

Longitudinal Double Spin Asymmetry in Inclusive Jet Production at STAR

This contribution reports on the first measurement of the longitudinal double-spin asymmetry $A_{LL}$ for the inclusive production of jets in polarized proton-proton collisions at $\sqrt{s}=200 \mathrm{GeV}$. The data were collected with…

High Energy Physics - Experiment · Physics 2014-11-17 Katarzyna Kowalik

Revisiting W gamma production at RHIC

We discuss W gamma production in polarized p p collisions at RHIC energy. We point out that the RHIC collider has two advantages over other hadron colliders to measure the characteristic feature of W gamma production: (1) the RHIC energy is…

High Energy Physics - Phenomenology · Physics 2009-11-07 H. Kawamura , Y. Kiyo , J. Kodaira , K. Morii

Resonance Production in STAR

The recent results from resonance production in central Au+Au and p+p collisions at $\sqrt{s_{\rm NN}} = $ 200 GeV from the STAR experiment at RHIC are presented and discussed.

Nuclear Experiment · Physics 2009-11-10 C. Markert

Jet Production in Polarized pp Collisions at RHIC

The STAR Collaboration has measured the longitudinal double-spin asymmetry for inclusive jet production in polarized p+p collisions at sqrt{s} = 200 GeV. The results set significant new constraints on the gluon polarization within the…

High Energy Physics - Experiment · Physics 2019-08-13 C. A. Gagliardi

Identified Hadron Production from the RHIC Beam Energy Scan

A current focus at RHIC is the Beam Energy Scan to study the QCD phase diagram -- temperature ($T$) vs. baryon chemical potential ($\mu_{B}$). The STAR experiment has collected data for Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7 GeV, 11.5…

Nuclear Experiment · Physics 2015-05-28 Lokesh Kumar

Spin Transfers for Baryon Production in Polarized pp Collisions at RHIC-BNL

We consider the inclusive production of longitudinally polarized baryons in ${\vec p}p$ collisions at RHIC-BNL, with one longitudinally polarized proton. We study the spin transfer between the initial proton and the produced baryon as a…

High Energy Physics - Phenomenology · Physics 2009-11-07 Bo-Qiang Ma , Ivan Schmidt , Jacques Soffer , Jian-Jun Yang

Polarized Parton Distributions and QCD Spin Tests at RHIC-BNL

The RHIC facility at BNL will be operating soon, part of the year, as a polarized proton-proton collider. This will allow the undertaking of a vast spin physics programme, mainly by the two large detectors PHENIX and STAR. We review some…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Soffer

Transverse Single Spin Asymmetries and Cross-Sections for Forward pi0 and eta Mesons at Large Feynman-x in sqrt(s)=200 GeV polarized p+p Collisions at STAR

The STAR collaboration has previously reported a large transverse single spin asymmetry, A_N, for forward pi0 meson production. The cross-section in this region was measured up to Feynman-x (xF) of 0.55, and found to be consistent with…

Nuclear Experiment · Physics 2012-05-23 Len K. Eun

Measurements of particle spectra in diffractive proton-proton collisions with the STAR detector at RHIC

We present the inclusive and identified particle (pion, proton and their antiparticle) production in Single Diffraction Dissociation and Central Diffraction processes with the STAR detector at RHIC. The forward-scattered proton(s) are…

High Energy Physics - Experiment · Physics 2019-06-13 Lukasz Fulek

Inclusive Jet Measurements in Longitudinally Polarized proton-proton Collisions at STAR

Jet production in high energy proton-proton ($p+p$) collisions is dominated by hard QCD subprocesses such as gluon-gluon and quark-gluon scatterings. Therefore $p+p$ is an effective tool to probe the internal distribution of gluons in the…

High Energy Physics - Experiment · Physics 2019-09-27 Zilong Chang

QCD Spin Physics: Partonic Spin Structure of the Nucleon

We discuss some recent developments concerning the nucleon's helicity parton distribution functions: New preliminary data from jet production at RHIC suggest for the first time a non-vanishing polarization of gluons in the nucleon. SIDIS…

High Energy Physics - Phenomenology · Physics 2015-06-03 D. de Florian , R. Sassot , M. Stratmann , W. Vogelsang