Experimental investigation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>T</mml:mi><mml:mo>=</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math>analog states of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Al</mml:mi><mml:mprescripts /><mml:none /><mml:mn>26</mml:mn></mml:mmultiscripts></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Mg</mml:mi><mml:mprescripts /><mml:none /><mml:mn>26</mml:mn

Srivastava, V.; Bhattacharya, C.; Rana, T. K.; Manna, S.; Kundu, S.; Bhattacharya, Subhashish; Banerjee, K.; Roy, Pratap; Pandey, R.; Mukherjee, G.; Ghosh, T. K.; Meena, Jitendra Kumar; Roy, Tufan; Chaudhuri, A. K.; Sinha, M. K.; Saha, A.; Asgar, Md. A.; Dey, A.; Roy, Shibaji; Shaikh, Md. Moin

doi:10.1103/physrevc.93.044601

Cited by 8 publications

(1 citation statement)

References 17 publications

(44 reference statements)

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“…Part of the CPDA (few telescopes), was used in an experiment to extract the direct component of the decay of the famous Hoyle state [9]. The granularity and required energy resolution allowed to carry out a high-statistics, highresolution, complete kinematical measurement to estimate the quantitative contributions of various direct 3α decay mechanisms in the decay of the 0 2 + resonant excited state of 12 C at an excitation energy of 7.654 MeV, using inelastic scattering of 60-MeV α particles on 12 C. Spectroscopic information about different excited states of 26 Al and 26 Mg populated through the 27 Al(d, t) and 27 Al(d , 3 He) reactions [10] and the role of α clustering in the binary complex fragment decay of fully energy-relaxed composites 24,25 Mg*, formed in 12,13 C + 12 C reactions, has also been studied using CPDA telescopes [11].…”

Section: Development Of a Charged Particle Detector Array (Cpda)mentioning

confidence: 99%

Detectors for Nuclear Physics

Ghosh

2018

Springer Proceedings in Physics

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Progress in nuclear physics is driven by the experimental observation that requires state of the art detectors to measure various kinematic properties, such as energy, momentum, position etc. of the particles produced in a nuclear reaction. Advances in detector technology has enabled nuclear physicists to measure these quantities with better precision, and the reduced cost of the detection system has helped to have larger detection systems (array of detectors) to measure the rare processes with greater sensitivity. Several detection systems have been designed, developed and built in India over last few decades and are being used by the physicists. In this article, I will focus on such developments of detection systems at Variable Energy Cyclotron Centre (VECC), Kolkata. Introduction:It is a privilege to present this review on the detector developments for nuclear physics research at Variable Energy Cyclotron Centre (VECC), in this particular conference, that celebrates the centenary year of Bose Institute which happens to be the first inter disciplinary research institute in India, founded by Sir Jagadish Chandra Bose. He was one of the legendry Indian experimentalists who used to build his own instruments from the scratch for his research. The components of the instruments that he built (e.g; 60 GHz microwave apparatus [1] was quite innovative but remained pretty simple, that really attract and inspire us when we try to build our detectors in our laboratory. Scope of detection in fundamental nuclear physics:One of the fundamental questions that we deal in Nuclear Physics is, how do the nucleons work together to form complex nuclei. This branch of Nuclear Physics is often referred as Nuclear Structure. On the other hand, many of these nuclei are needed to make them react with target nuclei in order to understand the rearrangement of the nucleons inside nuclei that helps us to know the macroscopic or bulk properties of the nuclei. The interaction between two complex nuclei is broadly studied under the section called Nuclear Reaction. In general, the study of nuclear structure and nuclear reaction constitutes the low energy nuclear physics research. However there is another branch; the study of the constituents of nucleons, i.e. quarks and gluons and their interactions. This study requires very high energy to break the nucleons and this constitutes the high energy nuclear physics.Let us have a look at the evolution of nuclear physics with energy (as shown in Fig 1). The change over from one zone to other is not sharp, rather having consid-

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Section: Development Of a Charged Particle Detector Array (Cpda)mentioning

confidence: 99%

Detectors for Nuclear Physics

Ghosh

2018

Springer Proceedings in Physics

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ChAKRA : The high resolution charged particle detector array at VECC

Kundu

Rana

Bhattacharya

et al. 2019

Nuclear Instruments and Methods in Physics Research Section A:

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A large 4π array of charged particle detectors has been developed at Variable Energy Cyclotron Centre to facilitate high resolution charged particle reaction and spectroscopy studies by detecting event-by-event the charged reaction products emitted in heavy ion reactions at energy ∼ 10-60 MeV/A. The forward part (θ ∼ ± 7 0 -±45 0 ) of the array consists of 24 highly granular, high resolution charged particle telescopes, each of which is made by three layers [single sided silicon strip(∆E) + double sided silicon strip (E/∆E) + CsI(Tl)(E)]of detectors. The backward part of the array consists of 112 CsI(Tl) detectors which are capable of detecting primarily the light charged particles (Z ≤ 2) emitted in the angular range of θ ∼ ± 45 0 -±175 0 . The extreme forward part of the array (θ ∼ ± 3 0 -±7 0 ) is made up of 32 slow-fast plastic phoswich detectors that are capable of detecting light (Z ≤2) and heavy charged particles (3 ≤ Z 20) as well as handling high count rates. The design, construction and characterization of the array has been described.

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Isovector pairing and particle-number fluctuation effects on the spectroscopic factors of one-proton stripping and one-neutron pick-up reactions in proton-rich nuclei

Benbouzid¹,

Allal²,

Fellah³

et al. 2018

Chinese Phys. C

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Expressions of the spectroscopic factors (SFs) corresponding to one-particle transfer reactions have been established using a schematic definition. These expressions have been derived by taking into account the isovector neutron-proton (np) pairing correlations and a particle-number projection in the framework of the generalized Sharp-BCS (SBCS) method. Recently proposed expressions of the projected wave-functions of odd-mass nuclei have been used for this purpose. The formalism has first been tested using the single-particle energies of the schematic picketfence model. It is shown that the np pairing and particle-number fluctuation effects are far from negligible and they depend on the pairing gap parameter values. Their behavior is not the same when the parent nuclei are even-even or odd. Predictions dealing with the SFs corresponding to one-proton stripping and one-neutron pick-up reactions in proton-rich nuclei have then been established within the framework of the realistic Woods-Saxon model. It is shown that the np pairing effect as well as the particle-number projection effect are important and thus have to be included in future calculations of the SF corresponding to these kinds of reactions.

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Experimental investigation ofT=1analog states ofAl26andMg26

Cited by 8 publications

References 17 publications

Detectors for Nuclear Physics

Detectors for Nuclear Physics

ChAKRA : The high resolution charged particle detector array at VECC

Isovector pairing and particle-number fluctuation effects on the spectroscopic factors of one-proton stripping and one-neutron pick-up reactions in proton-rich nuclei

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