Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets

M M Aggarwal; A Agnihotri; Z Ahammed; A L S Angelis; V Antonenko; V Arefiev; V Astakhov; V Avdeitchikov; T C Awes; P V K S Baba; S K Badyal; A Baldine; L Barabach; C Barlag; S Bathe; B Batiounia; T Bernier; K B Bhalla; V S Bhatia; C Blume; R Bock; E M Bohne; Z Borocz; D Bucher; A Buijs; H Busching; L Carlen; V Chalyshev; S Chattopadhyay; R Cherbatchev; T Chujo; A Claussen; A C Das; M P Decowski; V Djordjadze; P Donni; I Doubovik; S Dutt; M R D Majumdar; K El Chenawi; S Eliseev; K Enosawa; P Foka; S Fokin; V Frolov; M S Ganti; S Garpman; O Gavrishchuk; T K Ghosh; H Lohner; WA98 Collaboration

doi:10.1016/S0370-2693(99)00560-2

Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets

M M Aggarwal^*
, A Agnihotri
, Z Ahammed
, A L S Angelis
, V Antonenko
, V Arefiev
, V Astakhov
, V Avdeitchikov
, T C Awes
, P V K S Baba
, S K Badyal
, A Baldine
, L Barabach
, C Barlag
, S Bathe
, B Batiounia
, T Bernier
, K B Bhalla
, V S Bhatia
, C Blume

R Bock, E M Bohne, Z Borocz, D Bucher, A Buijs, H Busching, L Carlen, V Chalyshev, S Chattopadhyay, R Cherbatchev, T Chujo, A Claussen, A C Das, M P Decowski, V Djordjadze, P Donni, I Doubovik, S Dutt, M R D Majumdar, K El Chenawi, S Eliseev, K Enosawa, P Foka, S Fokin, V Frolov, M S Ganti, S Garpman, O Gavrishchuk, T K Ghosh, H Lohner, WA98 Collaboration

^*Corresponding author voor dit werk

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The multiplicity of inclusive photons has been measured on an event-by-event basis for 158.A GeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidity densities at midrapidity (rho(max)) and the width of the pseudorapidity distributions have been studied for varying centralities for these collisions. A power law fit to the photon yield as a function of the number of participating nucleons gives a value of 1.12 +/- 0.03 for the exponent. The mean transverse momentum, [p(T)], of photons determined from the ratio of the measured electromagnetic transverse energy and photon multiplicity, remains almost constant with increasing rho(max). Results are compared with model predictions

Originele taal-2	English
Pagina's (van-tot)	422-430
Aantal pagina's	9
Tijdschrift	Physics Letters B
Volume	458
Nummer van het tijdschrift	2-3
DOI's	https://doi.org/10.1016/S0370-2693(99)00560-2
Status	Published - 8-jul.-1999

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Aggarwal, M. M., Agnihotri, A., Ahammed, Z., Angelis, A. L. S., Antonenko, V., Arefiev, V., Astakhov, V., Avdeitchikov, V., Awes, T. C., Baba, P. V. K. S., Badyal, S. K., Baldine, A., Barabach, L., Barlag, C., Bathe, S., Batiounia, B., Bernier, T., Bhalla, K. B., Bhatia, V. S., ... WA98 Collaboration (1999). Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets. Physics Letters B, 458(2-3), 422-430. https://doi.org/10.1016/S0370-2693(99)00560-2

@article{007de99a802d40089607d0149cac4cd7,

title = "Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets",

abstract = "The multiplicity of inclusive photons has been measured on an event-by-event basis for 158.A GeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidity densities at midrapidity (rho(max)) and the width of the pseudorapidity distributions have been studied for varying centralities for these collisions. A power law fit to the photon yield as a function of the number of participating nucleons gives a value of 1.12 +/- 0.03 for the exponent. The mean transverse momentum, [p(T)], of photons determined from the ratio of the measured electromagnetic transverse energy and photon multiplicity, remains almost constant with increasing rho(max). Results are compared with model predictions",

keywords = "TRANSVERSE-MOMENTUM DISTRIBUTIONS, PHASE-TRANSITION, HADRONIC-INTERACTIONS, NUCLEAR COLLISIONS, S+AU COLLISIONS, MULTIPLICITY, DEPENDENCE, ENERGIES, AGEV, CERN",

author = "Aggarwal, \{M M\} and A Agnihotri and Z Ahammed and Angelis, \{A L S\} and V Antonenko and V Arefiev and V Astakhov and V Avdeitchikov and Awes, \{T C\} and Baba, \{P V K S\} and Badyal, \{S K\} and A Baldine and L Barabach and C Barlag and S Bathe and B Batiounia and T Bernier and Bhalla, \{K B\} and Bhatia, \{V S\} and C Blume and R Bock and Bohne, \{E M\} and Z Borocz and D Bucher and A Buijs and H Busching and L Carlen and V Chalyshev and S Chattopadhyay and R Cherbatchev and T Chujo and A Claussen and Das, \{A C\} and Decowski, \{M P\} and V Djordjadze and P Donni and I Doubovik and S Dutt and Majumdar, \{M R D\} and \{El Chenawi\}, K and S Eliseev and K Enosawa and P Foka and S Fokin and V Frolov and Ganti, \{M S\} and S Garpman and O Gavrishchuk and Ghosh, \{T K\} and H Lohner and \{WA98 Collaboration\}",

year = "1999",

month = jul,

day = "8",

doi = "10.1016/S0370-2693(99)00560-2",

language = "English",

volume = "458",

pages = "422--430",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "ELSEVIER SCIENCE BV",

number = "2-3",

}

Aggarwal, MM, Agnihotri, A, Ahammed, Z, Angelis, ALS, Antonenko, V, Arefiev, V, Astakhov, V, Avdeitchikov, V, Awes, TC, Baba, PVKS, Badyal, SK, Baldine, A, Barabach, L, Barlag, C, Bathe, S, Batiounia, B, Bernier, T, Bhalla, KB, Bhatia, VS, Blume, C, Bock, R, Bohne, EM, Borocz, Z, Bucher, D, Buijs, A, Busching, H, Carlen, L, Chalyshev, V, Chattopadhyay, S, Cherbatchev, R, Chujo, T, Claussen, A, Das, AC, Decowski, MP, Djordjadze, V, Donni, P, Doubovik, I, Dutt, S, Majumdar, MRD, El Chenawi, K, Eliseev, S, Enosawa, K, Foka, P, Fokin, S, Frolov, V, Ganti, MS, Garpman, S, Gavrishchuk, O, Ghosh, TK, Lohner, H & WA98 Collaboration 1999, 'Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets', Physics Letters B, vol. 458, nr. 2-3, blz. 422-430. https://doi.org/10.1016/S0370-2693(99)00560-2

TY - JOUR

T1 - Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets

AU - Aggarwal, M M

AU - Agnihotri, A

AU - Ahammed, Z

AU - Angelis, A L S

AU - Antonenko, V

AU - Arefiev, V

AU - Astakhov, V

AU - Avdeitchikov, V

AU - Awes, T C

AU - Baba, P V K S

AU - Badyal, S K

AU - Baldine, A

AU - Barabach, L

AU - Barlag, C

AU - Bathe, S

AU - Batiounia, B

AU - Bernier, T

AU - Bhalla, K B

AU - Bhatia, V S

AU - Blume, C

AU - Bock, R

AU - Bohne, E M

AU - Borocz, Z

AU - Bucher, D

AU - Buijs, A

AU - Busching, H

AU - Carlen, L

AU - Chalyshev, V

AU - Chattopadhyay, S

AU - Cherbatchev, R

AU - Chujo, T

AU - Claussen, A

AU - Das, A C

AU - Decowski, M P

AU - Djordjadze, V

AU - Donni, P

AU - Doubovik, I

AU - Dutt, S

AU - Majumdar, M R D

AU - El Chenawi, K

AU - Eliseev, S

AU - Enosawa, K

AU - Foka, P

AU - Fokin, S

AU - Frolov, V

AU - Ganti, M S

AU - Garpman, S

AU - Gavrishchuk, O

AU - Ghosh, T K

AU - Lohner, H

AU - WA98 Collaboration

PY - 1999/7/8

Y1 - 1999/7/8

N2 - The multiplicity of inclusive photons has been measured on an event-by-event basis for 158.A GeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidity densities at midrapidity (rho(max)) and the width of the pseudorapidity distributions have been studied for varying centralities for these collisions. A power law fit to the photon yield as a function of the number of participating nucleons gives a value of 1.12 +/- 0.03 for the exponent. The mean transverse momentum, [p(T)], of photons determined from the ratio of the measured electromagnetic transverse energy and photon multiplicity, remains almost constant with increasing rho(max). Results are compared with model predictions

AB - The multiplicity of inclusive photons has been measured on an event-by-event basis for 158.A GeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidity densities at midrapidity (rho(max)) and the width of the pseudorapidity distributions have been studied for varying centralities for these collisions. A power law fit to the photon yield as a function of the number of participating nucleons gives a value of 1.12 +/- 0.03 for the exponent. The mean transverse momentum, [p(T)], of photons determined from the ratio of the measured electromagnetic transverse energy and photon multiplicity, remains almost constant with increasing rho(max). Results are compared with model predictions

KW - TRANSVERSE-MOMENTUM DISTRIBUTIONS

KW - PHASE-TRANSITION

KW - HADRONIC-INTERACTIONS

KW - NUCLEAR COLLISIONS

KW - S+AU COLLISIONS

KW - MULTIPLICITY

KW - DEPENDENCE

KW - ENERGIES

KW - AGEV

KW - CERN

U2 - 10.1016/S0370-2693(99)00560-2

DO - 10.1016/S0370-2693(99)00560-2

M3 - Article

SN - 0370-2693

VL - 458

SP - 422

EP - 430

JO - Physics Letters B

JF - Physics Letters B

IS - 2-3

ER -

Systematics of inclusive photon production in 158 center dot A GeVPb induced reactions on Ni, Nb, and Pb targets

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