PaperPanorama

Nuclear Experiment·nucl-ex

Wed·Jul 2, 2014

2 papers1 primary·1 cross-listed·reconstructed*

  1. 01*

    Zero degree measurements of 12C fragmentation at 95 MeV/nucleon on thin targets

    J. Dudouet🇫🇷 · M. Labalme🇫🇷 · D. Cussol🇫🇷 · C. Finck🇫🇷 · R. Rescigno🇫🇷 · M. Rousseau🇫🇷 · S. Salvador🇫🇷 · M. Vanstalle🇫🇷

    During therapeutic treatments using ions such as carbon, nuclear interactions between the incident ions and nuclei present in organic tissues may occur, leading to the attenuation of the incident beam intensity and to the production of secondary light charged particles. As the biological dose deposited in the tumor and the surrounding healthy tissues depends on the beam composition, an accurate knowledge of the fragmentation processes is thus essential. In particular, the nuclear interaction models have to be validated using experimental double differential cross sections which are still very scarce. An experiment was realized in 2011 at GANIL to obtain these cross sections for a 95 MeV/nucleon carbon beam on different thin targets for angles raging from 4 to 43{\deg} . In order to complete these data, a new experiment was performed on September 2013 at GANIL to measure the fragmentation cross section at zero degree for a 95 MeV/nucleon carbon beam on thin targets. In this work, the experimental setup will be described, the analysis method detailed and the results presented.

    nucl-exPRC(2014)·17 citations
  2. 02*

    Primary Beam Steering Due to Field Leakage from Superconducting SHMS Magnets

    Michael H. Moore · Buddhini P. Waidyawansa · Silviu Covrig🇺🇸 · Roger Carlini · Jay Benesch🇺🇸

    Simulations of the magnetic fields from the Super High Momentum Spectrometer in Hall C at Thomas Jefferson National Accelerator Facility show significant field leakage into the region of the primary beam line between the target and the beam dump. Without mitigation, these remnant fields will steer the unscattered beam enough to limit beam operations at small scattering angles. Presented here are magnetic field simulations of the spectrometer magnets and a solution using optimal placement of a minimal amount of shielding iron around the beam line.

    physics.acc-phnucl-exJINST(2014)·2 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.