搜索结果: 1-15 共查到“物理学 Proton”相关记录95条 . 查询时间(0.125 秒)
Higher order polarizabilities of the proton
Compton scattering protons high order polarization quark model
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2014/12/22
Compton scattering results are used to probe proton structure via measurement of higher order polarizabilities. Values for αE2p, βE2p, αEνp, and βEνp determined via dispersion relations ar...
Measuring Proton Spin Polarizabilities with Polarized Compton Scattering
Compton Polarizabilities
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2014/11/20
Polarized nuclear Compton scattering on a proton target provides a test of low energy QCD. The beam-target asymmetries of a circularly polarized Bremsstrahlung photon beam on a transversely polarized ...
Charge Transport Studies of Proton and Ion Conducting Materials
charge transport impedance spectroscopy ionic conductor PEM PFG-NMR proton conductor
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2014/11/20
The development of a high-throughput impedance spectroscopy instrumentation platform for conductivity characterization of ion transport materials is outlined. Collaborative studies using this system a...
Understanding Hard Interaction in QCD and the Search for the Gluon Spin Contribution to the Spin of the Proton
asymmetry hadron proton spin
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2014/11/20
In the following discourse unpolarized cross sections and double helicity asymmetries of single inclusive positive and negative charged hadrons at mid-rapidity from p + p collisions at p s = 62:4 GeV ...
Proton magnetic resonance spectroscopy reveals increased hepatic lipid content after a single high-fat meal with no additional modulation by added protein
H-MRS IHL IMCL postprandial protein
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2018/12/20
Background: Fat accumulation in nonadipose tissue is linked to insulin resistance and metabolic diseases. Earlier studies have shown that hepatic lipid accumulation can occur after 4 d of a high-fat d...
Finding a piece of the proton-spin puzzle（图）
proton-spin puzzle Particle physics
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2014/8/19
This fundamental question has been a longstanding mystery in particle physics, although it was once thought that the answer would be fairly straightforward: The spin of a proton’s three subatomic part...
Why three-body physics do not solve the proton radius puzzle
proton radius puzzle Atomic Physics
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2012/5/28
The possible involvement of weakly bound three-body systems in the muonic hydrogen spectroscopy experiment [1], which could resolve the current discrepancy between determinations of the proton radius,...
Natural noise and external wake field seeding in a proton-driven plasma accelerator
Natural noise external wake field proton-driven plasma accelerator Plasma Physics
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2012/4/25
Natural noise and external wake field seeding in a proton-driven plasma accelerator
Calculation of acceptance of high intensity superconducting proton linac for Project X
Calculation acceptance high intensity superconducting proton linac Project X
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2012/2/28
Project-X is the proposed high intensity proton facility to be built at Fermilab, US. Its Superconducting Linac, to be used at first stage of acceleration, will be operated in continuous wave (CW) mod...
Shielding experiments by the JASMIN collaboration at Fermilab (II) - Radioactivity measurement induced by secondary particles from the anti-proton production target
Shielding experiments the JASMIN collaboration Fermilab Radioactivity measurement secondary particles
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2012/2/28
The JASMIN Collaboration has performed an experiment to conduct measurements of nuclear reaction rates around the anti-proton production (Pbar) target at the Fermi National Accelerator Laboratory (FNA...
On the Determination of \bar{d}/\bar{u} Ratios from Proton-Proton and Proton-Deuteron Drell-Yan Processes
Proton-Proton Proton-Deuteron Drell-Yan Processes
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2011/7/21
By using the convolution formula derived within the framework of relativistic quantum mechanics, we have examined the Fermi Motion effects on the ratios R_{pd/pp}= sigma^{pd}/(2 sigma^{pp}) between th...
Analyzing power in elastic scattering of 6He from polarized proton target at 71 MeV/nucleon
Analyzing power polarized proton target
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2011/7/21
The vector analyzing power has been measured for the elastic scattering of neutron-rich 6He from polarized protons at 71 MeV/nucleon making use of a newly constructed solid polarized proton target ope...
Probing the QCD Critical Point with Higher Moments of Net-proton Multiplicity Distributions
Net-proton Multiplicity Distributions QCD Critical Point
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2011/7/21
Higher moments of event-by-event net-proton multiplicity distributions are applied to search for the QCD critical point in the heavy ion collisions. It has been demonstrated that higher moments as wel...
Experimental equation of state in proton-proton and proton-antiproton collisions and phase transition to quark gluon plasma
quark gluon plasma average transverse momentum vs pseudorapidity density
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2011/7/21
We deduce approximate equations of state from experimental measurements in proton-proton and proton-antiproton collisions.
A model for space and time-like proton (neutron) form factors
space time-like proton (neutron)
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2011/7/21
Recent experiments on the electromagnetic proton and neutron form factors reveal very peculiar features such as the decreasing of the ratio of electric to magnetic form factor of the proton as functio...