2018
DOI: 10.1016/j.nima.2018.07.072
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On the performance of Zero Degree Calorimeters in detecting multinucleon events

Abstract: The facilities designed to study collisions of relativistic nuclei, such as the MPD at NICA (JINR), STAR at RHIC (BNL), ALICE, ATLAS and CMS at the LHC (CERN), are equipped with pairs of hadronic Zero Degree Calorimeters (ZDC) to detect forward nucleons at the both sides of the interaction point and estimate the collision centrality. The energy deposited in a ZDC fluctuates from one event to another, but on average it is proportional to the number of absorbed nucleons.Forward nucleons are also emitted in elect… Show more

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Cited by 5 publications
(5 citation statements)
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“…In the first method, a sample of MC events generated with the RELDIS program [25,26] is used. The other method relies on a simple probabilistic model [27] applied directly to the raw data. Both methods yield compatible results, namely an efficiency of about (93 ± 1)% each for the ZNA and ZNC to detect neutron activity.…”
Section: Jhep06(2020)035mentioning
confidence: 99%
“…In the first method, a sample of MC events generated with the RELDIS program [25,26] is used. The other method relies on a simple probabilistic model [27] applied directly to the raw data. Both methods yield compatible results, namely an efficiency of about (93 ± 1)% each for the ZNA and ZNC to detect neutron activity.…”
Section: Jhep06(2020)035mentioning
confidence: 99%
“…Accurate measurements of σ(N n , N p ) may also help to understand whether theory and experiment are consistent with R n = R p or rather with R n > R p . The cross sections σ(N n , N p ) of emission of low numbers of spectator neutrons and protons (N ≤ 5 and N p ≤ 3) can be proposed for measurements in the ALICE experiment at the LHC providing that the yields of spectator nucleons will be thoroughly corrected for the acceptance and efficiency of the ALICE Zero Degree Calorimeters [3,44].…”
Section: Discussionmentioning
confidence: 99%
“…Large uncertainties of calculations make it difficult to draw definite conclusions on the cross section differences for N n > 10 at the LHC. In general, events with low numbers of spectator neutrons N n ≤ 3 and protons N p ≤ 3 can be detected more reliably by ALICE Zero Degree Calorimeters [28,44] in comparison to events with high multiplicity of spectator nucleons.…”
Section: Calculations With Prex1 and Prex2 Profilesmentioning
confidence: 98%
See 1 more Smart Citation
“…Os ZDC's estão instalados nos experimentos de colisões de íons pesados no LHC, como o ALICE e o ATLAS. Eles são capazes de detectar partículas que são formadas e se propagam em direções próximas à direção do feixe [37]. Uma boa estimativa do número de píons detectados pode ser feita a partir da luminosidade destes experimentos.…”
Section: Seção De Choqueunclassified