Longitudinal Double Spin Asymmetry In Inclusive Jet Production Atstar PDF Download
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| Author | : STAR Collaboration |
| Publisher | : |
| Total Pages | : |
| Release | : 2006 |
| Genre | : |
| ISBN | : |
Download Longitudinal Double Spin Asymmetry in Inclusive Jet Production AtSTAR. Book in PDF, ePub and Kindle
This contribution reports on the first measurement of the longitudinal double-spin asymmetry A{sub LL} for the inclusive production of jets in polarized proton-proton collisions at {radical}s = 200 GeV. The data were collected with STAR at RHIC in the years 2003 and 2004, and correspond to a sampled integrated luminosity of 0.3 pb{sup -1} with beam polarizations up to 45%. The results on A{sub LL} cover jet transverse momenta 5
| Author | : Daniel L. Olvitt |
| Publisher | : |
| Total Pages | : 147 |
| Release | : 2017 |
| Genre | : |
| ISBN | : |
Download Measurement of the Longitudinal Double Spin Asymmetry for Dijet Production in Polarized Proton+Proton Collisions at Sqrt(s) Book in PDF, ePub and Kindle
Understanding what contributes to the intrinsic angular momentum (spin) of the proton has been a major goal of the nuclear physics community. In the 1980s, it was discovered that quarks contribute 30% to the spin of the proton. This information led to a search to find other contributions to the spin of the proton. At STAR, the double spin asymmetry (ALL) is measured as it is sensitive to the polarized gluon distribution (Dg(x)). The STAR 2009 inclusive jet ALL at sqrt(s) = 200 GeV has been incorporated into two independent global fits. These fits show for the first time a statistically significant non-zero gluon contribution to the spin of the proton in the parton momentum fraction range x > 0.05. Dijet ALL is also measured at STAR. Dijets are advantageous since the parton momentum fraction (x) of the initial partons may be reconstructed to first order from final state measurements. In 2013 STAR collected an estimated 250 pb-1 of data at sqrt(s) = 510 GeV. The higher center of mass energy will allow STAR to probe Dg(x) at x values as low as 0.02. The large statistics will allow a reduction in the uncertainties. Once the data is incorporated into future global fits, it will allow for a more precise determination of Dg(x). The 2013 dijet ALL results will be presented. The results show good agreement with both global fits and previous STAR results dijet measurements.
| Author | : Kenichi Imai |
| Publisher | : American Inst. of Physics |
| Total Pages | : 1196 |
| Release | : 2007-07-02 |
| Genre | : Science |
| ISBN | : |
Download Proceedings of the 17th International Spin Physics Symposium Book in PDF, ePub and Kindle
Getting down to the bottom line is what this proceedings digest is all about, as any physicist will tell you: spin is the fundamental concept in physics. The applications are pretty universal due to the fact that, using spin-related phenomena, physicists are trying to reveal the fundamental principles of nature – and things don’t come much more bottom-line than that. This volume is the proceedings of the 17th International Spin Physics Symposium which is a forum to discuss spin physics and related topics.
| Author | : Donald G. Crabb |
| Publisher | : American Inst. of Physics |
| Total Pages | : 1236 |
| Release | : 2009-08-25 |
| Genre | : Science |
| ISBN | : 9780735406865 |
Download Spin Physics Book in PDF, ePub and Kindle
The topics covered in the conference ranged from the physics that can be done with polarized beams of particles (protons, electrons, gamma-rays, etc.) to the techniques and instrumentation necessary to achieve this. Topics included: nucleon structure measurements (from where does the spin of the proton and neutron come), the acceleration, storage and polarization of particle beams and the polarized targets and sources necessary for mounting the experiments.
| Author | : Ryan Pagel Loving |
| Publisher | : |
| Total Pages | : 82 |
| Release | : 2019 |
| Genre | : Particle acceleration |
| ISBN | : |
Download Measuring Longitudinal Double-spin Asymmetry and Approximating Dilution Factor Using Deep Inelastic Scattering Data Book in PDF, ePub and Kindle
| Author | : Hesheng Chen |
| Publisher | : World Scientific |
| Total Pages | : 1424 |
| Release | : 2005-05-03 |
| Genre | : Science |
| ISBN | : 9814481270 |
Download High Energy Physics Book in PDF, ePub and Kindle
The 32nd International Conference on High Energy Physics belongs to the Rochester Conference Series, and is the most important international conference in 2004 on high energy physics. The proceedings provide a comprehensive review on the recent developments in experimental and theoretical particle physics. The latest results on Top, Higgs search, CP violation, neutrino mixing, pentaquarks, heavy quark mesons and baryons, search for new particles and new phenomena, String theory, Extra dimension, Black hole and Lattice calculation are discussed extensively. The topics covered include not only those of main interest to the high energy physics community, but also recent research and future plans. Contents: Neutrino Masses and MixingsQuark Matter and Heavy Ion CollisionsParticle Astrophysics and CosmologyElectroweak PhysicsQCD Hard InteractionsQCD Soft InteractionsComputational Quantum Field TheoryCP Violation, Rare Kaon Decay and CKMR&D for Future Accelerator and DetectorHadron Spectroscopy and ExoticsHeavy Quark Mesons and BaryonsBeyond the Standard ModelString Theory Readership: Experimental and theoretical physicists and graduate students in the fields of particle physics, nuclear physics, astrophysics and cosmology.Keywords:High Energy Physics;Particle Physics;Electroweak;QCD;Heavy Quark;Neutrino;Particle Astrophysics;Hadron Spectroscopy;CP Violation;Quark Matter;Future Accelerator
| Author | : K. de Jager |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 256 |
| Release | : 2008-06-21 |
| Genre | : Science |
| ISBN | : 3540744134 |
Download From Parity Violation to Hadronic Structure and more Book in PDF, ePub and Kindle
This book contains the proceedings of the third international workshop on From Parity Violation to Hadronic Structure and More. The many applications of parity violation are way beyond the scope of what Lee and Yang could have imagined fifty years after their proposal. For the physics topics discussed during this workshop, the application of parity violation has become a standard work horse allowing for the extraction of many physics topics in different experiments.
| Author | : Polina Kravchenko |
| Publisher | : |
| Total Pages | : 169 |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Download The Final Inclusive and Semi-inclusive Longitudinal Double-spin Asymmetries at HERMES Book in PDF, ePub and Kindle
| Author | : Yousef I. Makdisi |
| Publisher | : American Institute of Physics |
| Total Pages | : 1198 |
| Release | : 2003-09-04 |
| Genre | : Science |
| ISBN | : |
Download SPIN 2002 Book in PDF, ePub and Kindle
The SPIN 2002 Proceedings describe the recent advances in the field of spin physics. The topics cover research in high energy and nuclear physics and the study of the nuclear spin structure. The symposium also covers advances in polarized proton and electron acceleration and storage as well as polarized ion sources and targets. The first measurement of spin physics observables in pp collisions at center of mass energy of 200 Gev was announced at this symposium.
| Author | : Peter D. Barnes |
| Publisher | : AIP Conference Proceedings / H |
| Total Pages | : 1216 |
| Release | : 2006-10-04 |
| Genre | : Science |
| ISBN | : |
Download Particles and Nuclei Book in PDF, ePub and Kindle
This is the proceedings of the 17th International Conference on Particles and Nuclei, Santa Fe, New Mexico, USA which was concerned with new developments in experimental and theoretical particle physics, nuclear physics, and cosmology, and the intersections of these fields which will help us understand our Universe more completely. The participants reported on new developments in instrumentation, including large-scale facilities, such as accelerators, that will be essential for future work.
