Probing Proton Spin Structure with Longitudinally Polarized pp Collisions at PHENIX

Jan 07, 2013

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Probing Proton Spin Structure with Longitudinally Polarized pp Collisions at PHENIX

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Probing the Spin Structure of the Proton at STAR

Probing the Spin Structure of the Proton at STAR. Justin Stevens for the Collaboration. Parton Distributions in Nucleons. Parton Distribution Function: Probability density for finding a parton with flavor f and momentum fraction x in a nucleon

624 views • 47 slides

Forward Physics with Polarized proton-proton Collisions at the experiment.

Forward Physics with Polarized proton-proton Collisions at the experiment. John Koster RIKEN 2012/07/25. Motivation: Structure of Matter. Structure of the proton 1955 Hofstadter: Radius 0,8 fm Nobel Prize 1961

637 views • 45 slides

Proton spin structure from longitudinally polarized pp collisions from PHENIXat RHIC

Proton spin structure from longitudinally polarized pp collisions from PHENIXat RHIC. Alexander Bazilevsky BNL The 6 th Circum-Pan-Pacific Symposium on High Energy Spin Physics July 30 – August 2, 2007 Vancouver BC, Canada.  Gluons are polarized ( G )  Sea quarks are polarized:.

539 views • 35 slides

Jet Production in Polarized pp Collisions at RHIC

STAR. Jet Production in Polarized pp Collisions at RHIC. Carl A. Gagliardi Texas A&M University for the Collaboration Outline. Introduction 2005 results 2006 results Looking ahead. Origin of the proton spin?. Polarized DIS : 0.2~0.3. Poorly Constrained.

447 views • 31 slides

p 0 Double Longitudinal Spin Asymmetry in Polarized pp Collisions at .. = 200 GeV

p 0 Double Longitudinal Spin Asymmetry in Polarized pp Collisions at .. = 200 GeV. Kieran Boyle (Stony Brook U.) for the PHENIX Collaboration. D g 2. D g D q. D q 2. Motivation. with DS ~20%, D g, D L unknown. How to measure D g:. p 0. Hard Scattering Process.

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Constraining the polarized gluon PDF in polarized pp collisions at RHIC

Constraining the polarized gluon PDF in polarized pp collisions at RHIC. Frank Ellinghaus University of Colorado (for the PHENIX and STAR Collaborations) July 2008 ICHEP’08, Philadelphia, USA. PDFs fitted using F 2 at Q 2 =4 U=u+c  u, D=d+s  d. Parton Distribution Functions (PDFs).

315 views • 15 slides

Spin Effects in Forward π 0 -Production in Polarized Proton-Proton Collisions at STAR

Spin Effects in Forward π 0 -Production in Polarized Proton-Proton Collisions at STAR. Dmitry Morozov, IHEP (Protvino) for the STAR Collaboration. Outlook. Motivation STAR/FPD overview Single Spin Asymmetry at FPD Differential cross sections for forward π 0 -Production

352 views • 19 slides

f meson production in =200 GeV proton+proton collisions at PHENIX

f meson production in =200 GeV proton+proton collisions at PHENIX. 槌本裕二 Yuji Tsuchimoto tsuchimoto@bnl.gov High-energy Hadron Physics group, Department of Physics, Hiroshima University, Japan. Why am I interested in f ?. Chiral symmetry Lagrangean in the Normal QCD Vacuum

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Recent PHENIX Results in Longitudinally Polarized Proton Collisions

Recent PHENIX Results in Longitudinally Polarized Proton Collisions. Kieran Boyle (Stony Brook) for the PHENIX Collaboration. Outline: Quick Physics overview RHIC and PHENIX, and A LL Run5 and Run6 new Results. Accessing D G in pp scattering. Hard Scattering Process. p 0. D G 2.

449 views • 33 slides

Hyperons in polarized pp collisions and the nucleon spin structure

Hyperons in polarized pp collisions and the nucleon spin structure. Qinghua Xu( 徐庆华 ), Shandong University/LBNL July 10, 2008, QCD workshop,USTC. The strange part of nucleon spin, S S and longitudinal spin transfer of hyperons in pp, D LL Summary and Outlook.

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Study of Proton Helicity Structure in Polarized p+p Collisions at PHENIX

Study of Proton Helicity Structure in Polarized p+p Collisions at PHENIX. Kensuke Okada (RBRC) for the PHENIX collaboration DIS2007 Munich. RHIC PHENIX. proton beam.  or . △q. L. gluon. photon. △g.  or . proton beam. The first polarized proton collider (up to s= 500GeV).

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Probing Proton Spin Structure with Longitudinally Polarized p + p Collisions at PHENIX

Probing Proton Spin Structure with Longitudinally Polarized p + p Collisions at PHENIX. DIFFRACTION 2008 La Londe -les- Maures September 13 th , 2008 Imran Younus. “Proton Spin Crisis”. EMC Experiment at CERN J. Ashman et al ., Nucl. Phus. B 328, 1 (1989).

546 views • 36 slides

Spin asymmetry of neutron at zero degree in polarized proton collisions

Spin asymmetry of neutron at zero degree in polarized proton collisions. International workshop on High-energy scattering at zero degree@Nagoya Univ. Mar. 2, 2013 Kiyoshi Tanida (Seoul National University) for PHENIX collaboration.

556 views • 41 slides

Transversely Polarized Proton Spin Measurements in Polarized p+p Collisions in

Transversely Polarized Proton Spin Measurements in Polarized p+p Collisions in. Mickey Chiu. Transverse Single Spin Asymmetries. Left. Right. where p is the 4-momentum of a particle (hadron, jet, photon, etc...). Definition:.

354 views • 19 slides

Polarized Proton Acceleration and Collisions

Polarized Proton Acceleration and Collisions. Spin dynamics and Siberian Snakes Polarized proton acceleration in AGS and RHIC Possible RHIC proton-proton luminosity upgrades Polarized proton acceleration in HERA. Spinning Quarks or Gluons. Spinning Proton. Spinning Proton.

426 views • 26 slides

Longitudinal Spin Transfer of in Polarized pp Collisions at 200 GeV

Longitudinal Spin Transfer of in Polarized pp Collisions at 200 GeV. Qinghua Xu, LBNL for the STAR Collaboration SPIN 2006, Oct 6, 2006. Motivation Proof-of-principle analysis at low p T with STAR Preliminary results for D LL in inclusive production

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Constraining the polarized gluon PDF in polarized pp collisions at RHIC

173 views • 15 slides

Probing Proton Spin Structure with Longitudinally Polarized p + p Collisions at PHENIX

377 views • 36 slides

Transverse Spin Asymmetries in Proton-Proton Collisions

STAR. Transverse Spin Asymmetries in Proton-Proton Collisions. University of Bonn, March 18 th , 2018. First Siberian Snake, July 1999. M. Grosse Perdekamp, University of Illinois. Polarized p-p Observation of Large A N and TMD Mechanisms A N in fixed target experiments Explanations

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Jet Production in Polarized pp Collisions at RHIC

326 views • 31 slides

k T Asymmetry in Longitudinally Polarized p + p Collisions at PHENIX

k T Asymmetry in Longitudinally Polarized p + p Collisions at PHENIX. October 6, 2008 Douglas Fields. Measuring jet k T – di-hadron correlation.  o - h ± azimuthal correlation.

226 views • 21 slides

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