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Related papers: Proton Medium Modifications from 4He(e,e'p)3H

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The deuteron to proton polarization transfer coefficients for the $d$--$p$ elastic scattering were precisely measured with an incoming deuteron energy of 135 MeV/u at the RIKEN Accelerator Research Facility. The data are compared to…

We present a detailed analysis of nuclear effects in inclusive electron scattering from polarized 3He nuclei for polarization asymmetries, structure functions and their moments, both in the nucleon resonance and deep-inelastic regions. We…

Nuclear Theory · Physics 2015-06-16 J. J. Ethier , W. Melnitchouk

The transverse electron scattering response function of 3He is studied in the quasi-elastic peak region for momentum transfers between 500 and 700 MeV/c. A conventional description of the process leads to results at a substantial variation…

Nuclear Theory · Physics 2010-04-06 Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini , Edward L. Tomusiak

Two-nucleon transfer reactions are essential tools to investigate specific features of the nuclearstructure such as the correlation among valence particles in the transfer process. Besides, transfer reactions may be an important channel to…

We report new measurements of the ratio of the electric form factor to the magnetic form factor of the neutron, GEn/GMn, obtained via recoil polarimetry from the quasielastic ^2H(vec{e},e'vec{n})^1H reaction at Q^2 values of 0.45, 1.13, and…

Nuclear Experiment · Physics 2012-08-27 038 Collaboration , R. Madey , A. Yu. Semenov , S. Taylor , B. Plaster

We report values for the neutron electric to magnetic form factor ratio, GEn/GMn, deduced from measurements of the neutron's recoil polarization in the quasielastic 2H(\vec{e},e'\vec{n})1H reaction, at three Q^2 values of 0.45, 1.13, and…

Nuclear Experiment · Physics 2012-08-27 038 Collaboration , B. Plaster , A. Yu. Semenov

The proton to proton polarization transfer coefficients K_x^{x'}, K_y^{y'}, K_z^{x'} and the proton to deuteron polarization transfer coefficients K_x^{x'}, K_y^{y'}, K_z^{x'}, K_x^{y'z'}, K_y^{z'z'}, K_z^{y'z'}, K_y^{x'z'} and…

Nuclear Theory · Physics 2014-11-18 H. Witala , J. Golak , R. Skibinski , W. Glockle , A. Nogga , E. Epelbaum , H. Kamada , A. Kievsky , M. Viviani

The polarization of the secondary protons in inelastic (p,p') reaction on the 40Ca and 12C nuclei at the initial proton energy 1 GeV was measured in the wide range of the scattered proton momenta at a laboratory angle 21 degree. The cross…

Polarization-transfer components for 4He(\vec{e},e'\vec{p})3H and 16O(\vec{e},e'\vec{p})15N are computed within the relativistic multiple-scattering Glauber approximation (RMSGA). The RMSGA framework adopts relativistic single-particle wave…

Nuclear Theory · Physics 2009-11-10 P. Lava , J. Ryckebusch , B. Van Overmeire , S. Strauch

We report new measurements of the total cross section for the 3H(p,n)3He reaction from threshold (Ep=1.02 MeV) to Ep=4.5 MeV. The experiment utilized specially prepared Ti-3H targets, and neutrons were detected using a 4-pi detector. A weak…

Nuclear Experiment · Physics 2009-10-31 C. R. Brune , K. I. Hahn , R. W. Kavanagh , P. R. Wrean

We describe a method to hyperpolarize 3He nuclear spins at high magnetic fields (4.7 Tesla) solely by a magnetized plasma. The conditions for such a magnetized plasma are fulfilled when the mean free path of the free electrons is much…

Atomic Physics · Physics 2018-12-12 A. Maul , P. Blümler , P. -J. Nacher , E. Otten , G. Tastevin , W. Heil

We present theoretical analysis of the first data on the high energy and momentum transfer (hard) quasielastic $C(p,2p)X$ reactions. The cross section of hard $A(p,2p)X$ reaction is calculated within the light-cone impulse approximation…

Nuclear Theory · Physics 2009-11-07 I. Yaron , J. Alster , L. Frankfurt , E. Piasetzky , M. Sargsian , M. Strikman

We measured the ratio $P_{x}/P_{z}$ of the transverse to longitudinal components of polarization transferred from electrons to bound protons in $^{12}\mathrm{C}$ by the $^{12}\mathrm{C}(\vec{e},e'\vec{p})$ process at the Mainz Microtron…

The electric form factor of the neutron, G_En, has been measured at the Mainz Microtron by recoil polarimetry in the quasielastic D(e_pol,e'n_pol)p reaction. Three data points have been extracted at squared four-momentum transfers Q^2 =…

We have studied the quasielastic 3He(e,e'p)d reaction in perpendicular coplanar kinematics, with the energy and momentum transferred by the electron fixed at 840 MeV and 1502 MeV/c, respectively. The 3He(e,e'p)d cross section was measured…

Nuclear Experiment · Physics 2008-11-26 M. M. Rvachev

Transfer of polarized 3He gas across spatially varying magnetic fields will facilitate a new source of polarized 3He ions for particle accelerators. In this context, depolarization of atoms as they pass through regions of significant…

Instrumentation and Detectors · Physics 2015-12-09 James D. Maxwell , Charles S. Epstein , Richard G. Milner

The electric form factor of the neutron was determined from studies of the reaction He3(e,e'n)pp in quasi-elastic kinematics in Hall A at Jefferson Lab. Longitudinally polarized electrons were scattered off a polarized target in which the…

Nuclear Experiment · Physics 2011-01-28 S. Riordan , S. Abrahamyan , B. Craver , A. Kelleher , A. Kolarkar , J. Miller , G. D. Cates , N. Liyanage , B. Wojtsekhowski , A. Acha , K. Allada , B. Anderson , K. A. Aniol , J. R. M. Annand , J. Arrington , T. Averett , A. Beck , M. Bellis , W. Boeglin , H. Breuer , J. R. Calarco , A. Camsonne , J. P. Chen , E. Chudakov , L. Coman , B. Crowe , F. Cusanno , D. Day , P. Degtyarenko , P. A. M. Dolph , C. Dutta , C. Ferdi , C. Fernandez-Ramirez , R. Feuerbach , L. M. Fraile , G. Franklin , S. Frullani , S. Fuchs , F. Garibaldi , N. Gevorgyan , R. Gilman , A. Glamazdin , J. Gomez , K. Grimm , J. O. Hansen , J. L. Herraiz , D. W. Higinbotham , R. Holmes , T. Holmstrom , D. Howell , C. W. deJager , X. Jiang , M. K. Jones , J. Katich , L. J. Kaufman , M. Khandaker , J. J. Kelly , D. Kiselev , W. Korsch , J. LeRose , R. Lindgren , P. Markowitz , D. J. Margaziotis , S. May-Tal Beck , S. Mayilyan , K. McCormick , Z. E. Meziani , R. Michaels , B. Moffit , S. Nanda , V. Nelyubin , T. Ngo , D. M. Nikolenko , B. Norum , L. Pentchev , C. F. Perdrisat , E. Piasetzky , R. Pomatsalyuk , D. Protopopescu , A. J. R. Puckett , V. A. Punjabi , X. Qian , Y. Qiang , B. Quinn , I. Rachek , R. D. Ransome , P. E. Reimer , B. Reitz , J. Roche , G. Ron , O. Rondon , G. Rosner , A. Saha , M. Sargsian , B. Sawatzky , J. Segal , M. Shabestari , A. Shahinyan , Yu. Shestakov , J. Singh , S. Sirca , P. Souder , S. Stepanyan , V. Stibunov , V. Sulkosky , S. Tajima , W. A. Tobias , J. M. Udias , G. M. Urciuoli , B. Vlahovic , H. Voskanyan , K. Wang , F. R. Wesselmann , J. R. Vignote , S. A. Wood , J. Wright , H. Yao , X. Zhu

High precision measurements of the proton elastic form factor ratio have been made at four-momentum transfers, Q^2, between 0.2 and 0.5 GeV^2. The new data, while consistent with previous results, clearly show a ratio less than unity and…

Nuclear Experiment · Physics 2010-03-23 G. Ron , J. Glister , B. Lee
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