Document Type : Research paper
Authors
1 Physics & Accelerator School, NSTRI, PO Box 14395-836, Tehran, Iran
2 Department of physics, University of Tehran, North-Kargar St., Tehran, Iran
3 Department of nuclear physics. Faculty of Physics, University of Kashan, Kashan, Iran
Abstract
Some of neutrons in the final state can deposit a fraction of their energies in the BINA detection system, and therefore, neutron kinematic parameters are not practically extracted using ADC signals. The Multi-wire proportional chamber is only applicable for the registration of the charged-nucleons hit positions. In this article, a new alternative approach is presented and applied via the time-of-flight data of neutrons originated from the three body breakup channel of deuteron-deuteron (dd) scattering at 65 MeV/Nucl. to extract kinematical parameters of neutrons. To achieve this, the hit position of particles in scintillator detectors along with their corresponding time-of-flight (TOF) data are used to obtain the X and Y coordinates, and subsequently, scattering angles (polar and azimuthal) of neutrons. Once we have the information of neutrons’ scattering angles (two variables) as well as kinematical parameters of one of the detected charged nucleons (three variables), neutrons’ energy is extracted via momentum and energy conservation laws. To validate the proposed method, the kinematical parameters of protons obtained through the proposed approach were compared with those obtained using BINA detection system. Reconstructing the kinematics of neutrons as the final-state particles allows us to deepen our studies to various hadronic channels of dd scattering process in which neutrons are rolled as a detected final-state particle. As a result, isospin dependence of nuclear potential as well as Coulomb effects can be investigated.
Keywords
- Neutron detection
- Deuteron-Deuteron scattering
- Three-Body break-up channel
- Time-of-Flight information
Main Subjects
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