Active targets for the study of nuclei far from stability

Beceiro-Novo, S.; Ahn, T.; Bazin, D.; Mittig, W.

doi:10.1016/j.ppnp.2015.06.003

Cited by 48 publications

(48 citation statements)

References 110 publications

(175 reference statements)

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“…The production of exotic beams also involves the development of associated instrumentation capable of providing the observables of interest in a reasonable amount of time for the expected rates. Active Target Time Projection Chambers (henceforth AT) detectors are designed to provide high luminosity Email addresses: christoph.dalitz@hsnr.de (Christoph Dalitz), ayyad@lbl.gov (Yassid Ayyad) (rate of interactions) while preserving the resolution needed to obtain the variables from which relevant information about the nuclei is inferred [3]. ATs consist of a relatively large gaseous medium that acts as target and detector at the same time.…”

Section: Introductionmentioning

confidence: 99%

Automatic trajectory recognition in Active Target Time Projection Chambers data by means of hierarchical clustering

Dalitz

Ayyad

Wilberg

et al. 2019

Computer Physics Communications

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Section: Introductionmentioning

confidence: 99%

Automatic trajectory recognition in Active Target Time Projection Chambers data by means of hierarchical clustering

Dalitz

Ayyad

Wilberg

et al. 2019

Computer Physics Communications

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“…Various second generation active targets have been already built or are under construction (for a detailed list see [17]). Here, I just refer to ACTAR (in construction, funded by ERC Starting Grant, G.F. Grinyer) and AT-TPC in construction at NSCL (FRIB, USA) [17].…”

Section: Active Chamber For Experiments With Low-energy Ribsmentioning

confidence: 99%

“…Here, I just refer to ACTAR (in construction, funded by ERC Starting Grant, G.F. Grinyer) and AT-TPC in construction at NSCL (FRIB, USA) [17]. ACTAR is cubic or cuboid with about 16000 channels and amplification of MicroMegas-type.…”

Section: Active Chamber For Experiments With Low-energy Ribsmentioning

confidence: 99%

Gas detectors for nuclear physics experiments

Pierroutsakou

2018

EPJ Web Conf.

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In this lecture I will present the operation principle and the different kinds of gas detecting systems for charged particles employed in high-energy and low-energy physics environments, with particular focus on the requirements of nuclear physics experiments with low-energy Radioactive Ion Beams (RIBs). I will show in more details an example of gas detector used at the RIB in-flight facility EXOTIC, for the ion beam tracking and for time of flight measurements. Finally, I will discuss the use of an active target in nuclear physics experiments with RIBs together with some key improvements of first generation devices required for facing the challenges of more intense RIBs.

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“…The concept of active target is an attempt at avoiding this compromise by turning the target into a detector medium where all the energy dissipated during the reaction can be measured and the location of each reaction vertex determined experimentally [1]. This is best done in a gas volume where the radioactive beam can react with the gas atomic nuclei as it slows down.…”

Section: Introductionmentioning

confidence: 99%

The Active Target Time Projection Chamber at NSCL

et al. 2017

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Abstract. Reactions in inverse kinematics close to the Coulomb barrier offer unique opportunities to study exotic nuclei, but they are plagued by the difficulty to efficiently and precisely measure the characteristics of the emerging particles. The Active Target Time Projection Chamber (AT-TPC) offers an elegant solution to this dilemma. In this device, the detector gas of the time projection chamber is at the same time the target in which nuclear reactions take place. The use of this new paradigm offers several advantages over conventional inert target methods, the most significant being the ability to increase the luminosity of experiments without loss of resolution. The AT-TPC and some results obtained on resonant α scattering to explore the clustering properties of neutron-rich nuclei are presented, as well as fusion cross section results using a 10 Be radioactive beam. In addition, the first re-accelerated radioactive beam experiment using the fully commissioned ReA3 linac was conducted recently at the NSCL with the AT-TPC, where proton resonant scattering of a 4.6 MeV/u 46 Ar beam was used to measure the neutron single-particle strength in 47 Ar.

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Active targets for the study of nuclei far from stability

Cited by 48 publications

References 110 publications

Automatic trajectory recognition in Active Target Time Projection Chambers data by means of hierarchical clustering

Automatic trajectory recognition in Active Target Time Projection Chambers data by means of hierarchical clustering

Gas detectors for nuclear physics experiments

The Active Target Time Projection Chamber at NSCL

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