MEASURING PHOTONS AND NEUTRONS AT ZERO DEGREES IN CMS

O. A Grachov; B Metzler; M Murray; J Snyder; L Stiles; J Wood; V Zhukova; W Beaumont; S Ochesanu; P Debbins; D Ingram; E Norbeck; Y Onel; E Garcia

doi:10.1142/S0218301307007581

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MEASURING PHOTONS AND NEUTRONS AT ZERO DEGREES IN CMS

Journal article

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MEASURING PHOTONS AND NEUTRONS AT ZERO DEGREES IN CMS

O. A Grachov, B Metzler, M Murray, J Snyder, L Stiles, J Wood, V Zhukova, W Beaumont, S Ochesanu, P Debbins, …

International journal of modern physics. E, Nuclear physics, Vol.16(7n08), pp.2137-2142

08/2007

DOI: 10.1142/S0218301307007581

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Abstract

The CMS Zero Degree Calorimeters, ZDCs, will measure photons and neutrons emitted with |η| ≥ 8.6 from Pb + Pb , p + Pb and p + p collisions at [Formula: see text], 8.8 and 14 TeV respectively. The calorimeter consists of an electromagnetic part segmented in the horizontal direction and an hadronic part segmented into four units in depth. In addition CMS will have access to data from a segmented shower maximum detector being built for luminosity measurements. We will present detailed results from tests beam measurements taken at the CERN SPS. These data will be used to extrapolate the utility of the ZDCs to measure photons, and possibly π0 s in p + p and ultra-peripheral heavy-ion collisions. Data from the hadronic section can be used to estimate the number of participants in heavy ion-collisions. In addition we will discuss plans to use the detector to measure the reaction plane, thereby extending the sensitivity of the central detectors in CMS.

Details

Title: Subtitle: MEASURING PHOTONS AND NEUTRONS AT ZERO DEGREES IN CMS
Creators: O. A Grachov - University of Kansas
B Metzler - University of Kansas
M Murray - University of Kansas
J Snyder - University of Kansas
L Stiles - University of Kansas
J Wood - University of Kansas
V Zhukova - University of Kansas
W Beaumont - University of Antwerp
S Ochesanu - University of Antwerp
P Debbins - University of Iowa
D Ingram - University of Iowa
E Norbeck - University of Iowa
Y Onel - University of Iowa
E Garcia - University of Illinois Chicago
Resource Type: Journal article
Publication Details: International journal of modern physics. E, Nuclear physics, Vol.16(7n08), pp.2137-2142
DOI: 10.1142/S0218301307007581
ISSN: 0218-3013
eISSN: 1793-6608
Language: English
Date published: 08/2007
Academic Unit: Physics and Astronomy
Record Identifier: 9984199757602771

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