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Title: Strange Particle Production in $p+p$ Collisions at $$\sqrt{s}$$= 200GeV

Abstract

We present strange particle spectra and yields measured atmid-rapidity in sqrt text s=200 GeV proton-proton (p+p) collisions atRHIC. We find that the previously observed universal transverse mass(mathrm mT \equiv\sqrt mathrm p_T 2+\mathrm m2) scaling of hadronproduction in p+p collisions seems to break down at higher \mt and thatthere is a difference in the shape of the \mt spectrum between baryonsand mesons. We observe mid-rapidity anti-baryon to baryon ratios nearunity for Lambda and Xi baryons and no dependence of the ratio ontransverse momentum, indicating that our data do not yet reach thequark-jet dominated region. We show the dependence of the mean transversemomentum (\mpt) on measured charged particle multiplicity and on particlemass and infer that these trends are consistent with gluon-jet dominatedparticle production. The data are compared to previous measurements fromCERN-SPS, ISR and FNAL experiments and to Leading Order (LO) and Next toLeading order (NLO) string fragmentation model predictions. We infer fromthese comparisons that the spectral shapes and particle yields from $p+p$collisions at RHIC energies have large contributions from gluon jetsrather than quark jets.

Authors:
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Publication Date:
Research Org.:
COLLABORATION - Brookhaven NationalLaboratory
OSTI Identifier:
932578
Report Number(s):
LBNL-63640
R&D Project: NRNC; TRN: US0803564
DOE Contract Number:  
DE-AC02-05CH11231
Resource Type:
Journal Article
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 75; Related Information: Journal Publication Date: 06/04/2007
Country of Publication:
United States
Language:
English
Subject:
73; BARYONS; CHARGED PARTICLES; FRAGMENTATION; GLUONS; HADRONS; MESONS; MULTIPLICITY; PARTICLE PRODUCTION; PRODUCTION; QUARKS; SHAPE; SPECTRA; STRANGE PARTICLES; TRANSVERSE MOMENTUM; XI BARYONS

Citation Formats

Abelev, B I, Adams, J, Aggarwal, M M, Ahammed, Z, Amonett, J, Anderson, B D, Anderson, M, Arkhipkin, D, Averichev, G S, Bai, Y, Balewski, J, Barannikova, O, Barnby, L S, Baudot, J, Bekele, S, Belaga, V V, Bellingeri-Laurikainen, A, Bellwied, R, Benedosso, F, Bhardwaj, S, Bhasin, A, Bhati, A K, Bichsel, H, Bielcik, J, Bielcikova, J, Bland, L C, Blyth, S -L, Bonner, B E, Botje, M, Bouchet, J, Brandin, A V, Bravar, A, Bystersky, M, Cadman, R V, Cai, X Z, Caines, H, Calderon de la Barca Sanchez, M., Castillo, J, Catu, O, Cebra, D, Chajecki, Z, Chaloupka, P, Chattopadhyay, S, Chen, H F, Chen, J H, Cheng, J, Cherney, M, Chikanian, A, Christie, W, Coffin, J P, Cormier, T M, Cosentino, M R, Cramer, J G, Crawford, H J, Das, D, Das, S, Daugherity, M, de Moura, M M, Dedovich, T G, DePhillips, M, Derevschikov, A A, Didenko, L, Dietel, T, Djawotho, P, Dogra, S M, Dong, W J, Dong, X, Draper, J E, Du, F, Dunin, V B, Dunlop, J C, Dutta Mazumdar, M R, Eckardt, V, Edwards, W R, Efimov, L G, Emelianov, V, Engelage, J, Eppley, G, Erazmus, B, Estienne, M, Fachini, P, Fatemi, R, Fedorisin, J, Filimonov, K, Filip, P, Finch, E, Fine, V, Fisyak, Y, Fu, J, Gagliardi, C A, Gaillard, L, Ganti, M S, Ghazikhanian, V, Ghosh, P, Gonzalez, J S, Gorbunov, Y G, Gos, H, Grebenyuk, O, Grosnick, D, Guertin, S M, Guimaraes, K S.F.F., Guo, Y, Gupta, N, Gutierrez, T D, Haag, B, Hallman, T J, Hamed, A, Harris, J W, He, W, Heinz, M, Henry, T W, Hepplemann, S, Hippolyte, B, Hirsch, A, Hjort, E, Hoffman, A M, Hoffmann, G W, Horner, M J, Huang, H Z, Huang, S L, Hughes, E W, Humanic, T J, Igo, G, Jacobs, P, Jacobs, W W, Jakl, P, Jia, F, Jiang, H, Jones, P G, Judd, E G, Kabana, S, Kang, K, Kapitan, J, Kaplan, M, Keane, D, Kechechyan, A, Khodyrev, V Yu, Kim, B C, Kiryluk, J, Kisiel, A, Kislov, E M, Klein, S R, Kocoloski, A, Koetke, D D, and et al. Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200GeV. United States: N. p., 2006. Web.
Abelev, B I, Adams, J, Aggarwal, M M, Ahammed, Z, Amonett, J, Anderson, B D, Anderson, M, Arkhipkin, D, Averichev, G S, Bai, Y, Balewski, J, Barannikova, O, Barnby, L S, Baudot, J, Bekele, S, Belaga, V V, Bellingeri-Laurikainen, A, Bellwied, R, Benedosso, F, Bhardwaj, S, Bhasin, A, Bhati, A K, Bichsel, H, Bielcik, J, Bielcikova, J, Bland, L C, Blyth, S -L, Bonner, B E, Botje, M, Bouchet, J, Brandin, A V, Bravar, A, Bystersky, M, Cadman, R V, Cai, X Z, Caines, H, Calderon de la Barca Sanchez, M., Castillo, J, Catu, O, Cebra, D, Chajecki, Z, Chaloupka, P, Chattopadhyay, S, Chen, H F, Chen, J H, Cheng, J, Cherney, M, Chikanian, A, Christie, W, Coffin, J P, Cormier, T M, Cosentino, M R, Cramer, J G, Crawford, H J, Das, D, Das, S, Daugherity, M, de Moura, M M, Dedovich, T G, DePhillips, M, Derevschikov, A A, Didenko, L, Dietel, T, Djawotho, P, Dogra, S M, Dong, W J, Dong, X, Draper, J E, Du, F, Dunin, V B, Dunlop, J C, Dutta Mazumdar, M R, Eckardt, V, Edwards, W R, Efimov, L G, Emelianov, V, Engelage, J, Eppley, G, Erazmus, B, Estienne, M, Fachini, P, Fatemi, R, Fedorisin, J, Filimonov, K, Filip, P, Finch, E, Fine, V, Fisyak, Y, Fu, J, Gagliardi, C A, Gaillard, L, Ganti, M S, Ghazikhanian, V, Ghosh, P, Gonzalez, J S, Gorbunov, Y G, Gos, H, Grebenyuk, O, Grosnick, D, Guertin, S M, Guimaraes, K S.F.F., Guo, Y, Gupta, N, Gutierrez, T D, Haag, B, Hallman, T J, Hamed, A, Harris, J W, He, W, Heinz, M, Henry, T W, Hepplemann, S, Hippolyte, B, Hirsch, A, Hjort, E, Hoffman, A M, Hoffmann, G W, Horner, M J, Huang, H Z, Huang, S L, Hughes, E W, Humanic, T J, Igo, G, Jacobs, P, Jacobs, W W, Jakl, P, Jia, F, Jiang, H, Jones, P G, Judd, E G, Kabana, S, Kang, K, Kapitan, J, Kaplan, M, Keane, D, Kechechyan, A, Khodyrev, V Yu, Kim, B C, Kiryluk, J, Kisiel, A, Kislov, E M, Klein, S R, Kocoloski, A, Koetke, D D, & et al. Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200GeV. United States.
Abelev, B I, Adams, J, Aggarwal, M M, Ahammed, Z, Amonett, J, Anderson, B D, Anderson, M, Arkhipkin, D, Averichev, G S, Bai, Y, Balewski, J, Barannikova, O, Barnby, L S, Baudot, J, Bekele, S, Belaga, V V, Bellingeri-Laurikainen, A, Bellwied, R, Benedosso, F, Bhardwaj, S, Bhasin, A, Bhati, A K, Bichsel, H, Bielcik, J, Bielcikova, J, Bland, L C, Blyth, S -L, Bonner, B E, Botje, M, Bouchet, J, Brandin, A V, Bravar, A, Bystersky, M, Cadman, R V, Cai, X Z, Caines, H, Calderon de la Barca Sanchez, M., Castillo, J, Catu, O, Cebra, D, Chajecki, Z, Chaloupka, P, Chattopadhyay, S, Chen, H F, Chen, J H, Cheng, J, Cherney, M, Chikanian, A, Christie, W, Coffin, J P, Cormier, T M, Cosentino, M R, Cramer, J G, Crawford, H J, Das, D, Das, S, Daugherity, M, de Moura, M M, Dedovich, T G, DePhillips, M, Derevschikov, A A, Didenko, L, Dietel, T, Djawotho, P, Dogra, S M, Dong, W J, Dong, X, Draper, J E, Du, F, Dunin, V B, Dunlop, J C, Dutta Mazumdar, M R, Eckardt, V, Edwards, W R, Efimov, L G, Emelianov, V, Engelage, J, Eppley, G, Erazmus, B, Estienne, M, Fachini, P, Fatemi, R, Fedorisin, J, Filimonov, K, Filip, P, Finch, E, Fine, V, Fisyak, Y, Fu, J, Gagliardi, C A, Gaillard, L, Ganti, M S, Ghazikhanian, V, Ghosh, P, Gonzalez, J S, Gorbunov, Y G, Gos, H, Grebenyuk, O, Grosnick, D, Guertin, S M, Guimaraes, K S.F.F., Guo, Y, Gupta, N, Gutierrez, T D, Haag, B, Hallman, T J, Hamed, A, Harris, J W, He, W, Heinz, M, Henry, T W, Hepplemann, S, Hippolyte, B, Hirsch, A, Hjort, E, Hoffman, A M, Hoffmann, G W, Horner, M J, Huang, H Z, Huang, S L, Hughes, E W, Humanic, T J, Igo, G, Jacobs, P, Jacobs, W W, Jakl, P, Jia, F, Jiang, H, Jones, P G, Judd, E G, Kabana, S, Kang, K, Kapitan, J, Kaplan, M, Keane, D, Kechechyan, A, Khodyrev, V Yu, Kim, B C, Kiryluk, J, Kisiel, A, Kislov, E M, Klein, S R, Kocoloski, A, Koetke, D D, and et al. 2006. "Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200GeV". United States. https://www.osti.gov/servlets/purl/932578.
@article{osti_932578,
title = {Strange Particle Production in $p+p$ Collisions at $\sqrt{s}$= 200GeV},
author = {Abelev, B I and Adams, J and Aggarwal, M M and Ahammed, Z and Amonett, J and Anderson, B D and Anderson, M and Arkhipkin, D and Averichev, G S and Bai, Y and Balewski, J and Barannikova, O and Barnby, L S and Baudot, J and Bekele, S and Belaga, V V and Bellingeri-Laurikainen, A and Bellwied, R and Benedosso, F and Bhardwaj, S and Bhasin, A and Bhati, A K and Bichsel, H and Bielcik, J and Bielcikova, J and Bland, L C and Blyth, S -L and Bonner, B E and Botje, M and Bouchet, J and Brandin, A V and Bravar, A and Bystersky, M and Cadman, R V and Cai, X Z and Caines, H and Calderon de la Barca Sanchez, M. and Castillo, J and Catu, O and Cebra, D and Chajecki, Z and Chaloupka, P and Chattopadhyay, S and Chen, H F and Chen, J H and Cheng, J and Cherney, M and Chikanian, A and Christie, W and Coffin, J P and Cormier, T M and Cosentino, M R and Cramer, J G and Crawford, H J and Das, D and Das, S and Daugherity, M and de Moura, M M and Dedovich, T G and DePhillips, M and Derevschikov, A A and Didenko, L and Dietel, T and Djawotho, P and Dogra, S M and Dong, W J and Dong, X and Draper, J E and Du, F and Dunin, V B and Dunlop, J C and Dutta Mazumdar, M R and Eckardt, V and Edwards, W R and Efimov, L G and Emelianov, V and Engelage, J and Eppley, G and Erazmus, B and Estienne, M and Fachini, P and Fatemi, R and Fedorisin, J and Filimonov, K and Filip, P and Finch, E and Fine, V and Fisyak, Y and Fu, J and Gagliardi, C A and Gaillard, L and Ganti, M S and Ghazikhanian, V and Ghosh, P and Gonzalez, J S and Gorbunov, Y G and Gos, H and Grebenyuk, O and Grosnick, D and Guertin, S M and Guimaraes, K S.F.F. and Guo, Y and Gupta, N and Gutierrez, T D and Haag, B and Hallman, T J and Hamed, A and Harris, J W and He, W and Heinz, M and Henry, T W and Hepplemann, S and Hippolyte, B and Hirsch, A and Hjort, E and Hoffman, A M and Hoffmann, G W and Horner, M J and Huang, H Z and Huang, S L and Hughes, E W and Humanic, T J and Igo, G and Jacobs, P and Jacobs, W W and Jakl, P and Jia, F and Jiang, H and Jones, P G and Judd, E G and Kabana, S and Kang, K and Kapitan, J and Kaplan, M and Keane, D and Kechechyan, A and Khodyrev, V Yu and Kim, B C and Kiryluk, J and Kisiel, A and Kislov, E M and Klein, S R and Kocoloski, A and Koetke, D D and et al.},
abstractNote = {We present strange particle spectra and yields measured atmid-rapidity in sqrt text s=200 GeV proton-proton (p+p) collisions atRHIC. We find that the previously observed universal transverse mass(mathrm mT \equiv\sqrt mathrm p_T 2+\mathrm m2) scaling of hadronproduction in p+p collisions seems to break down at higher \mt and thatthere is a difference in the shape of the \mt spectrum between baryonsand mesons. We observe mid-rapidity anti-baryon to baryon ratios nearunity for Lambda and Xi baryons and no dependence of the ratio ontransverse momentum, indicating that our data do not yet reach thequark-jet dominated region. We show the dependence of the mean transversemomentum (\mpt) on measured charged particle multiplicity and on particlemass and infer that these trends are consistent with gluon-jet dominatedparticle production. The data are compared to previous measurements fromCERN-SPS, ISR and FNAL experiments and to Leading Order (LO) and Next toLeading order (NLO) string fragmentation model predictions. We infer fromthese comparisons that the spectral shapes and particle yields from $p+p$collisions at RHIC energies have large contributions from gluon jetsrather than quark jets.},
doi = {},
url = {https://www.osti.gov/biblio/932578}, journal = {Physical Review C},
number = ,
volume = 75,
place = {United States},
year = {Mon Jul 31 00:00:00 EDT 2006},
month = {Mon Jul 31 00:00:00 EDT 2006}
}