A Proton Recoil Telescope for the characterisation of the neutron beam at n_TOF

被引：1

作者：

Manna, A. ^{[1
,2
]}

Amaducci, S. ^{[6
,7
]}

Barbagallo, M. ^{[3
,5
]}

Colonna, N. ^{[5
]}

Cosentino, L. ^{[6
]}

Finocchiaro, P. ^{[6
]}

Lo Meo, S. ^{[1
,9
]}

Massimi, C. ^{[1
,2
]}

Mastromarco, M. ^{[3
]}

Milazzo, P. M. ^{[10
]}

Mingrone, F. ^{[3
]}

Tassan-Got, L. ^{[3
,4
,8
]}

Vannini, G. ^{[1
,2
]}

Ventura, A. ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

[2] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[3] European Org Nucl Res CERN, Geneva, Switzerland

[4] Univ Paris Saclay, Univ Paris Sud, CNRS, Inst Phys Nucl,IN2P3, F-91406 Orsay, France

[5] Ist Nazl Fis Nucl, Sez Bari, Bari, Italy

[6] Ist Nazl Fis Nucl, Lab Nazl Sud, Catania, Italy

[7] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[8] Natl Tech Univ Athens, Athens, Greece

[9] Agenzia Nazl Nuove Tecnol ENEA, Bologna, Italy

[10] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy

来源：

NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2019年 / 42卷 / 2-3期

关键词：

FISSION;

D O I：

10.1393/ncc/i2019-19142-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The neutron induced fission cross section of U-235 is extensively used as a reference for neutron fluence measurements in various applications. At intermediate energies, the U-235(n,f) cross section plays an important role also for fundamental nuclear physics. Despite its widespread use, no data exist on neutron-induced fission of U-235 above 200 MeV. Hence, there is a clear and long-standing demand from the International Atomic Energy Agency (IAEA) to complement the experimental database from 20 MeV to 1 GeV. For this purpose at the neutron facility n TOF at CERN the measurement of U-235(n,f) cross section was planned in October 2018, taking advantage of the intense neutron beam with a wide energy spectrum available in the experimental area. The cross section measurement will be performed relative to the elastic neutron-proton scattering, a very well known reaction generally accepted as primary reference. A prototype of the Proton Recoil Telescope detector, that will be used to measure the incident neutron flux, has been built and tested at n TOF in 2017.

引用

页数：4

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