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Moments of the spin structure functions and for.

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Title: Moments of the spin structure functions and for.
Authors: Prok, Y.1, Bosted, P.2, Burkert, V.D.2, Deur, A.2, Dharmawardane, K.V.3, Dodge, G.E.3 gdodge@odu.edu, Griffioen, K.A.4, Kuhn, S.E.3, Minehart, R.5, Adams, G.6, Amaryan, M.J.3, Anghinolfi, M.7, Asryan, G.8, Audit, G.9, Avakian, H.2,10, Bagdasaryan, H.3,8, Baillie, N.4, Ball, J.P.11, Baltzell, N.A.12, Barrow, S.13
Source: Physics Letters B. Feb2009, Vol. 672 Issue 1, p12-16. 5p.
Subjects: Protons, Deuterons, Particles (Nuclear physics), Quantum field theory, Polarization (Nuclear physics), Thomas Jefferson National Accelerator Facility (U.S.), Electron scattering, Perturbation theory
Geographic Terms: United States
Abstract: Abstract: The spin structure functions for the proton and the deuteron have been measured over a wide kinematic range in x and using 1.6 and 5.7 GeV longitudinally polarized electrons incident upon polarized NH3 and ND3 targets at Jefferson Lab. Scattered electrons were detected in the CEBAF Large Acceptance Spectrometer, for and . The first moments of for the proton and deuteron are presented – both have a negative slope at low , as predicted by the extended Gerasimov–Drell–Hearn sum rule. The first extraction of the generalized forward spin polarizability of the proton is also reported. This quantity shows strong dependence at low . Our analysis of the evolution of the first moment of shows agreement in leading order with Heavy Baryon Chiral Perturbation Theory. However, a significant discrepancy is observed between the data and Chiral Perturbation calculations for , even at the lowest . [Copyright &y& Elsevier]
Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Moments of the spin structure functions and for.
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  Data: <searchLink fieldCode="AR" term="%22Prok%2C+Y%2E%22">Prok, Y.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bosted%2C+P%2E%22">Bosted, P.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Burkert%2C+V%2ED%2E%22">Burkert, V.D.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Deur%2C+A%2E%22">Deur, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dharmawardane%2C+K%2EV%2E%22">Dharmawardane, K.V.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Dodge%2C+G%2EE%2E%22">Dodge, G.E.</searchLink><relatesTo>3</relatesTo><i> gdodge@odu.edu</i><br /><searchLink fieldCode="AR" term="%22Griffioen%2C+K%2EA%2E%22">Griffioen, K.A.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Kuhn%2C+S%2EE%2E%22">Kuhn, S.E.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Minehart%2C+R%2E%22">Minehart, R.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Adams%2C+G%2E%22">Adams, G.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Amaryan%2C+M%2EJ%2E%22">Amaryan, M.J.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Anghinolfi%2C+M%2E%22">Anghinolfi, M.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Asryan%2C+G%2E%22">Asryan, G.</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Audit%2C+G%2E%22">Audit, G.</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Avakian%2C+H%2E%22">Avakian, H.</searchLink><relatesTo>2,10</relatesTo><br /><searchLink fieldCode="AR" term="%22Bagdasaryan%2C+H%2E%22">Bagdasaryan, H.</searchLink><relatesTo>3,8</relatesTo><br /><searchLink fieldCode="AR" term="%22Baillie%2C+N%2E%22">Baillie, N.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Ball%2C+J%2EP%2E%22">Ball, J.P.</searchLink><relatesTo>11</relatesTo><br /><searchLink fieldCode="AR" term="%22Baltzell%2C+N%2EA%2E%22">Baltzell, N.A.</searchLink><relatesTo>12</relatesTo><br /><searchLink fieldCode="AR" term="%22Barrow%2C+S%2E%22">Barrow, S.</searchLink><relatesTo>13</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Physics+Letters+B%22">Physics Letters B</searchLink>. Feb2009, Vol. 672 Issue 1, p12-16. 5p.
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  Data: Abstract: The spin structure functions for the proton and the deuteron have been measured over a wide kinematic range in x and using 1.6 and 5.7 GeV longitudinally polarized electrons incident upon polarized NH3 and ND3 targets at Jefferson Lab. Scattered electrons were detected in the CEBAF Large Acceptance Spectrometer, for and . The first moments of for the proton and deuteron are presented – both have a negative slope at low , as predicted by the extended Gerasimov–Drell–Hearn sum rule. The first extraction of the generalized forward spin polarizability of the proton is also reported. This quantity shows strong dependence at low . Our analysis of the evolution of the first moment of shows agreement in leading order with Heavy Baryon Chiral Perturbation Theory. However, a significant discrepancy is observed between the data and Chiral Perturbation calculations for , even at the lowest . [Copyright &y& Elsevier]
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  Data: <i>Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.physletb.2008.12.063
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