搜索结果: 1-14 共查到“原子核物理学 photon”相关记录14条 . 查询时间(0.637 秒)
Photon-tagged heavy meson production in high energy nuclear collisions
Photon-tagged heavy meson high energy nuclear collisions
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2011/7/21
We study the photon-triggered light and heavy meson production in both p+p and A+A collisions. We find that a parton energy loss approach that successfully describes inclusive hadron attenuation in nu...
Two-Photon Exchange Effect Studied with Neural Networks
proton form-factors two-photon exchange correction
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2011/7/21
The novel approach to the extraction of the two-photon exchange (TPE) correction from the elastic $ep$ scattering data is presented. The Bayesian framework for the neural networks is adapted.
Direct Photon Production in Proton-Nucleus and Nucleus-Nucleus Collisions
direct photons nuclear suppression gluon shadowing
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2011/7/21
Prompt photons produced in a hard reaction are not accompanied with any final state interaction, either energy loss or absorption. Therefore, besides the Cronin enhancement at medium transverse moment...
Preliminary Results from Integrating Compton Photon Polarimetry in Hall A of Jefferson Lab
Preliminary Results Compton Photon Polarimetry Jefferson Lab
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2011/7/21
A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compton polarimeter, elect...
Photon-tagged heavy meson production in high energy nuclear collisions
Photon-tagged heavy meson production high energy nuclear collisions
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2011/7/21
We study the photon-triggered light and heavy meson production in both p+p and A+A collisions. We find that a parton energy loss approach that successfully describes inclusive hadron attenuation in nu...
The nucleon's transversity and the photon's distribution amplitude probed in lepton pair photoproduction
The nucleon's transversity the photon's distribution amplitude probed lepton pair photoproduction
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2010/12/29
We describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the ...
Measurement of the reaction $γp \rightarrow K^ + \Sigma^{\pm}\pi^{\mp}$ at photon energies up to 2.6 GeV
Measurement the reaction $γp \rightarrow K^ + \Sigma^{\pm}\pi^{\mp}$ photon energies 2.6 GeV
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2011/1/4
The reactions $\gamma p \rightarrow K^{+}\Sigma^{\pm}\pi^{\mp}$ were studied with the SAPHIR detector using a tagged photon beam at the electron stretcher facility ELSA in Bonn. The decays $\Sigma^{-}...
Measurement of the reaction $γp \TO K^ + \Lambda(1520)$ at photon energies up to 2.65 GeV
Measurement the reaction $γp \TO K^ + \Lambda(1520)$ photon energies 2.65 GeV
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2011/1/4
The reaction $\gamma p \TO K^+\Lambda(1520)$ was measured in the energy range from threshold to 2.65 GeV with the SAPHIR detector at the electron stretcher facility ELSA in Bonn. The $\Lambda(1520)$ p...
The nucleon's transversity and the photon's distribution amplitude probed in lepton pair photoproduction
The nucleon's transversity photon's distribution amplitude probed lepton pair photoproduction
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2011/1/5
We describe a new way to access the chiral odd transversity parton distribution in the proton
through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the...
Recent result from the A2 real photon facility at MAMI
原子核物理学photonuclear reactions polarization phenomena in reactions polarized and other targets lepton-induced reactions
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2009/11/17
The upgraded MAMI C accelerator is delivering electrons with an energy of 1558 MeV routinely. The A2 collaboration is doing experiments with energy marked polarised real photons produced via``Bremsstr...
MeV- and SubMeVphoton Sources Based on Compton
laser Compton backscattering polarized γray polarized Xray
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2009/10/29
Recently we have constructed two facilities for generating photon beams in the MeV and subMeV energy regions by means of theCompton backscattering with a laser and an electron beam at SPring8 and at...
π0 Photoproduction on Deuteron for Photon Energies from 0.6 to 1.15 GeV
pion photoproduction resonance
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2009/10/29
Differential and total cross sections of the γp→π0p and the γd→π0pn reaction were measured for photon energies between 640 and 1 150 MeV. The data have been compared with SAID and MAID model calculat...
Jet-photon conversion with energy loss in heavy ion collisions
relativistic heavy ion collisions quark gluon matter jet-photon conversion energy loss
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2009/8/14
The rate of high energy photons produced from energetic jets during their propagation through the QGP at RHIC and LHC is studied by taking into account the contribution of jet quenching in the medium....
Vector Meson and Associated Strangeness Production Using a Linearly Polarized Photon Beam at Jefferson Lab
Vector Meson and Associated Strangeness Production a Linearly Polarized Photon Beam Jefferson Lab
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2010/10/25
The set of experiments forming the g8a run took place in the summer of 2001 in Hall B of Jefferson Lab. The g8a run was the commissioning experiment for the linearly-polarized photon beam at CLAS. The...