Inclusive Electron-Nucleus Scattering at X] 1 and High Momentum Transfer

Inclusive Electron-Nucleus Scattering at X] 1 and High Momentum Transfer PDF Author: Donal Day
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ISBN:
Category :
Languages : en
Pages :

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Book Description
We will present results from a recently completed experiment (E02-019) at Jefferson Lab in which 6 GeV electrons were scattered from a series of both light and heavy nuclei at high momentum transfers. The scattered electrons were detected in the High Momentum Spectrometer in Hall C at angles between 18 and 50 degrees and with momenta between 2 and 5 GeV. This experiment extends the kinematic coverage of inclusive electron-nucleus scattering at high momentum transfer to large Bjorken x, forbidden for the free nucleon. These new data present the opportunity to the investigate the transition from a regime where the cross sections are dominated by quasielastic scattering and where nucleon degrees of freedom hold sway, to one where the reaction is deep inelastic in nature and described by the more fundamental quarks and gluons. A brief description of the experiment will be followed by a presentation of the preliminary data along with a discussion of the scaling behavior of the data.

Inclusive Electron-Nucleus Scattering at X] 1 and High Momentum Transfer

Inclusive Electron-Nucleus Scattering at X] 1 and High Momentum Transfer PDF Author: Donal Day
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
We will present results from a recently completed experiment (E02-019) at Jefferson Lab in which 6 GeV electrons were scattered from a series of both light and heavy nuclei at high momentum transfers. The scattered electrons were detected in the High Momentum Spectrometer in Hall C at angles between 18 and 50 degrees and with momenta between 2 and 5 GeV. This experiment extends the kinematic coverage of inclusive electron-nucleus scattering at high momentum transfer to large Bjorken x, forbidden for the free nucleon. These new data present the opportunity to the investigate the transition from a regime where the cross sections are dominated by quasielastic scattering and where nucleon degrees of freedom hold sway, to one where the reaction is deep inelastic in nature and described by the more fundamental quarks and gluons. A brief description of the experiment will be followed by a presentation of the preliminary data along with a discussion of the scaling behavior of the data.

Inclusive Electron - Nucleus Scattering at Large Momentum Transfer

Inclusive Electron - Nucleus Scattering at Large Momentum Transfer PDF Author:
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Category :
Languages : en
Pages :

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Inclusive electron scattering is measured with 4.045 GeV incident beam energy from C, Fe, and Au targets. The measured energy transfers and angles correspond to a kinematic range for Bjorken x>1 and momentum transfers from Q2 = 1-7 (GeV/c)2. When analyzed in terms of the y-scaling function the data show for the first time an approach to scaling for values of the initial nucleon momenta significantly greater than the nuclear matter Fermi momentum (i.e.,>0.3 GeV/c).

Inclusive Electron Scattering Form Nuclei in the Quasielastic Region at Large Momentum Transfer

Inclusive Electron Scattering Form Nuclei in the Quasielastic Region at Large Momentum Transfer PDF Author: Nadia Fomin
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Category :
Languages : en
Pages :

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Inclusive Electron Scattering from Nuclei in the Quasielastic Region at Large Momentum Transfer

Inclusive Electron Scattering from Nuclei in the Quasielastic Region at Large Momentum Transfer PDF Author:
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Languages : en
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Book Description
Experiment E02-019, performed in Hall C at the Thomas Jefferson National Accelerator Facility (TJNAF), was a measurement of inclusive electron cross sections for several nuclei (2H,3He, 4He, 9Be,12C, 63Cu, and 197Au) in the quasielastic region at high momentum transfer. In the region of low energy transfer, the cross sections were analyzed in terms of the reduced response, F(y), by examining its y-scaling behavior. The data were also examined in terms of the nuclear structure function [nu]WA 2 and its behavior in x and the Nachtmann variable [xi]. The data show approximate scaling of [nu]WA 2 in [xi] for all targets at all kinematics, unlike scaling in x, which is confined to the DIS regime. However, y-scaling observations are limited to the kinematic region dominated by the quasielastic response (y

Inclusive Electron Scattering From Nuclei at X]1 and High Q^2

Inclusive Electron Scattering From Nuclei at X]1 and High Q^2 PDF Author:
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Category :
Languages : en
Pages :

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Book Description
CEBAF experiment e89-008 measured inclusive electron scattering from nuclei in a Q2 range between 0.8 and 7.3 (GeV/c)2 for x{sub Bjorken} approximately greater than 1. The cross sections for scattering from D C, Fe, and Au were measured. The C, Fe, and Au data have been analyzed in terms of F(y) to examine y-scaling of the quasielastic scattering, and to study the momentum distribution of the nucleons in the nucleus. The data have also been analyzed in terms of the structure function vW2 to examine scaling of the inelastic scattering in x and xi and to study the momentum distribution of the quarks. In the regions where quasielastic scattering dominates the cross section (low Q2 or large negative values of y), the data are shown to exhibit y-scaling. However, the y-scaling breaks down once the inelastic contributions become large. The data do not exhibit x-scaling, except at the lowest values of x, while the structure function does appear to scale in the Nachtmann variable, xi.

Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron-nucleus Scattering

Nucleon Momentum Distributions from a Modified Scaling Analysis of Inclusive Electron-nucleus Scattering PDF Author:
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Languages : en
Pages :

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Book Description
Inclusive electron scattering from nuclei at low momentum transfer (corresponding to x[ge] 1) and moderate Q[sup 2] is dominated by quasifree scattering from nucleons. In the impulse approximation, the cross section can be directly connected to the nucleon momentum distribution via the scaling function F(y). The breakdown of the y-scaling assumptions in certain kinematic regions have prevented extraction of nucleon momentum distributions from such a scaling analysis. With a slight modification to the y-scaling assumptions, it is found that scaling functions can be extracted which are consistent with the expectations for the nucleon momentum distributions.

Electron-nucleus Scattering - Proceedings Of The Workshop

Electron-nucleus Scattering - Proceedings Of The Workshop PDF Author: Adelchi Fabrocini
Publisher: World Scientific
ISBN: 9814551775
Category :
Languages : en
Pages : 378

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Book Description
The workshop aimed to gather the electron scattering community to assess the present status of the experimental and theoretical research program at the electron scattering facilities that will be available in the near future. The topics discussed include nucleon form factors and deep inelastic structure functions, electro-production of nucleon resonances, final state interactions and nucleon-nucleon correlations in nuclei, electron-nucleon scattering with polarized beams and targets and nuclear transparency.

Inclusive Electron Scattering From Nuclei at X Approximately

Inclusive Electron Scattering From Nuclei at X Approximately PDF Author:
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ISBN:
Category :
Languages : en
Pages : 8

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Inclusive Electron Scattering from Nuclei at X> 1 and High Q22

Inclusive Electron Scattering from Nuclei at X> 1 and High Q22 PDF Author: John R. Arrington
Publisher:
ISBN:
Category :
Languages : en
Pages : 502

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Electron-nucleus Scattering at X > 1 and High Q2

Electron-nucleus Scattering at X > 1 and High Q2 PDF Author: Dino Faralli
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Category :
Languages : en
Pages :

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