polarized proton
Recent STAR Results from Heavy-Ion and Polarized Proton Programs
... Abstract. We present recent physics results from the STAR experiment at Relativistic Heavy Ion Collider (RHIC). The proceedings cover studies of az- imuthal anisotropy in small and large systems, global and local hyperon ...
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The First Asymmetry Measurements in High-Energy Polarized Proton-Nucleus Collision at PHENIX-RHIC
... transversely polarized proton and nucleus in RHIC at √ s = 200 ...the proton beam is unpolarized at LHC, the measurement is the high energy frontier of the polarized proton and nucleus ...
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Study of the Drell-Yan process with the pair-production of polarized tau leptons in collisions of polarized proton beams
... the proton was developed. According to this model, the proton consists of three valence quarks and the cloud of virtual gluons and quark-antiquark ...the proton carried by that parton and the ...
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Ratios of helicity amplitudes for exclusive ρ0 electroproduction on transversely polarized proton
... paper for the first time. The total uncertainty is the sum in quadrature of the statistical and the total systematic uncertainties. The SDMEs in figures 3-4 are reordered according to the SDME classes proposed in [7, 13]. ...
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Target and double spin asymmetries of deeply virtual pi(0) production with a longitudinally polarized proton target and CLAS
... The measured beam, target and double spin asymmetries were fitted simultaneously using six free parameters: A sin LU φ , A sin U L φ , A sin 2 U L φ , A const LL , A LL cos φ and A cos 2 U U φ according to the Eqs. (2) ...
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The DVCS program at Jefferson Lab
... longitudinally polarized proton target, can instead give access to a combination of the GPDs H and ˜ H ...transversely polarized proton target and measuring TSA for DVCS would allow one to ...
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Semi-inclusive DIS Experiments Using Transversely Polarized Targets in Hall-A: Current Results and Future Plans
... Single spin asymmetries (SSA) in SIDIS reaction using a transversely polarized proton target were measured by the HERMES [4,5] and COMPASS [6] collaborations. Non-zero asymmetries were observed for both ...
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Status of the NICA project at JINR
... transversally polarized p and d beams; extraction of unknown (poorly known) parton distribution functions (PDF); PDFs from J/ψ production processes; spin effects in various exclusive and inclusive reactions; cross ...
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Final State Interactions and Polarization Observables in the Reaction pp → pKΛ
... Abstract. Due to the lack of high quality hyperon beams, final state interactions in hy- peron production reactions are a compelling tool to study hyperon-nucleon interactions. The COSY-TOF experiment has recently been ...
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Polarized parton densities and spin dependent structure function of the nucleon
... the polarized parton distribution functions (PPDFs) from recent ex- perimental data at the next-to-leading order (NLO) approximation in the fixed-flavor number ...on polarized proton structure and ...
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Gluon polarization measurements and the possible role of diffractive process in the transverse single spin asymmetry measurements in RHIC-PHENIX
... transversely polarized proton and nucleus in RHIC at √ s = 200 ...the proton beam is unpolarized at LHC, the measurement is the high energy frontier of the polarized proton and nucleus ...
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Recent result from the A2 collaboration at MAMI
... through polarized Compton scattering. Double-polarized Compton scattering asymmetries on the proton were measured in the Δ(1232) region using circularly polarized incident photons and a trans- ...
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Timelike Compton Scattering off the nucleon: observables and experimental perspectives for JLab at 12 GeV
... Several programs aiming at measuring TCS off the proton at JLab at 12 GeV have been developped or are still in development. Two proposals [15, 16] have been already approved. Both of them aim at measuring the ...
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Monocyte Responsiveness to Chemotactic Stimuli is a Property of a Subpopulation of Cells that can Respond to Multiple Chemoattractants
... The chemotactic migration of leukocytes is preceded by an alteration in the cells' shape from round to a characteristic polar configuration. We have developed an assay that shows that human monocytes, when exposed to ...
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Raman study on zinc blende single InAs nanowire grown on Si (111) substrate
... symmetry properties of optical phonons are determined by analyzing inelastically scattered light, providing informa- tion about crystal structure and composition, electronic properties, and electron–phonon and ...
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Mitochondrial proton leak compensates for reduced oxidative power during frequent hypothermic events in a protoendothermic mammal, Echinops telfairi
... the cellular basis supporting this unique pattern is not well-understood. The bioenergetics of liver mitochondria are well-established nominators of (basal) metabolic rates (Porter and Brand, 1995; Polymeropoulos et al., ...
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A New Dual-Polarized Horn Antenna Excited by a Gap-Fed Square Patch
... linear polarized waves in the square waveguide of the horn. The dual-polarized horn proposed in this paper has a narrow bandwidth due to the use of a microstrip patch in the feeding circuit so that it is ...
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Ground State of 4 7H Considering Internal Collective Rotation
... 1s proton average position in Figure 1 numbered 3 is in the direction h – h of Z2 and pre-assumes that the proton shell Z2 is ...the proton average position numbered 3΄ is on the z axis as shown in ...
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Cavitons and spontaneous hot flow anomalies in a hybrid Vlasov global magnetospheric simulation
... in proton distribution functions as foreshock features were con- vected across virtual spacecraft and found that our VDFs re- sembled those found by Zhang et ...
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A novel treatment of the proton-proton Coulomb force in proton-deuteron Faddeev calculations
... elastic proton-deuteron (pd) scattering and for the deuteron breakup reaction are being obtained [5], however, only un- der the restriction to short-ranged nuclear ...
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