Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV

S. S. Adler; S. Afanasiev; C. Aidala; N. N. Ajitanand; Y. Akiba; J. Alexander; R. Amirikas; L. Aphecetche; S. H. Aronson; R. Averbeck; T. C. Awes; R. Azmoun; V. Babintsev; A. Baldisseri; K. N. Barish; P. D. Barnes; B. Bassalleck; S. Bathe; S. Batsouli; V. Baublis; F. Bauer; A. Bazilevsky; S. Belikov; Y. Berdnikov; S. Bhagavatula; J. G. Boissevain; H. Borel; S. Borenstein; M. L. Brooks; D. S. Brown; N. Bruner; D. Bucher; H. Buesching; V. Bumazhnov; G. Bunce; J. M. Burward-Hoy; S. Butsyk; X. Camard; J. S. Chai; P. Chand; W. C. Chang; S. Chernichenko; C. Y. Chi; J. Chiba; M. Chiu; I. J. Choi; J. Choi; R. K. Choudhury; T. Chujo; V. Cianciolo; Y. Cobigo; B. A. Cole; P. Constantin; D. D'Enterria; G. David; H. Delagrange; A. Denisov; A. Deshpande; E. J. Desmond; A. Devismes; O. Dietzsch; O. Drapier; A. Drees; K. A. Drees; R. Du Rietz; A. Durum; D. Dutta; Y. V. Efremenko; K. El Chenawi; A. Enokizono; H. En'Yo; S. Esumi; L. Ewell; D. E. Fields; F. Fleuret; S. L. Fokin; B. D. Fox; Z. Fraenkel; J. E. Frantz; A. Franz; A. D. Frawley; S. Y. Fung; S. Garpman; T. K. Ghosh; A. Glenn; G. Gogiberidze; M. Gonin; J. Gosset; Y. Goto; R. Granier De Cassagnac; N. Grau; S. V. Greene; M. Grosse Perdekamp; W. Guryn; H. Å Gustafsson; T. Hachiya; J. S. Haggerty; H. Hamagaki; A. G. Hansen

doi:10.1103/PhysRevLett.95.202001

Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV

S. S. Adler, S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, R. Amirikas, L. Aphecetche, S. H. Aronson, R. Averbeck, T. C. Awes, R. Azmoun, V. Babintsev, A. Baldisseri, K. N. Barish, P. D. Barnes, B. Bassalleck, S. Bathe, S. Batsouli, V. BaublisF. Bauer, A. Bazilevsky, S. Belikov, Y. Berdnikov, S. Bhagavatula, J. G. Boissevain, H. Borel, S. Borenstein, M. L. Brooks, D. S. Brown, N. Bruner, D. Bucher, H. Buesching, V. Bumazhnov, G. Bunce, J. M. Burward-Hoy, S. Butsyk, X. Camard, J. S. Chai, P. Chand, W. C. Chang, S. Chernichenko, C. Y. Chi, J. Chiba, M. Chiu, I. J. Choi, J. Choi, R. K. Choudhury, T. Chujo, V. Cianciolo, Y. Cobigo, B. A. Cole, P. Constantin, D. D'Enterria, G. David, H. Delagrange, A. Denisov, A. Deshpande, E. J. Desmond, A. Devismes, O. Dietzsch, O. Drapier, A. Drees, K. A. Drees, R. Du Rietz, A. Durum, D. Dutta, Y. V. Efremenko, K. El Chenawi, A. Enokizono, H. En'Yo, S. Esumi, L. Ewell, D. E. Fields, F. Fleuret, S. L. Fokin, B. D. Fox, Z. Fraenkel, J. E. Frantz, A. Franz, A. D. Frawley, S. Y. Fung, S. Garpman, T. K. Ghosh, A. Glenn, G. Gogiberidze, M. Gonin, J. Gosset, Y. Goto, R. Granier De Cassagnac, N. Grau, S. V. Greene, M. Grosse Perdekamp, W. Guryn, H. Å Gustafsson, T. Hachiya, J. S. Haggerty, H. Hamagaki, A. G. Hansen

Neutron Symmetries

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Abstract

Transverse single-spin asymmetries to probe the transverse-spin structure of the proton have been measured for neutral pions and nonidentified charged hadrons from polarized proton-proton collisions at midrapidity and s=200GeV. The data cover a transverse momentum (pT) range 1.0-5.0GeV/c for neutral pions and 0.5-5.0GeV/c for charged hadrons, at a Feynman-x value of approximately zero. The asymmetries seen in this previously unexplored kinematic region are consistent with zero within errors of a few percent. In addition, the inclusive charged hadron cross section at midrapidity from 0.5<pT<7.0GeV/c is presented and compared to next-to-leading order perturbative QCD (pQCD) calculations. Successful description of the unpolarized cross section above ∼2GeV/c suggests that pQCD is applicable in the interpretation of the asymmetry results in the relevant kinematic range.

Original language	English
Article number	202001
Journal	Physical Review Letters
Volume	95
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.95.202001
State	Published - Nov 11 2005

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10.1103/PhysRevLett.95.202001

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Adler, S. S., Afanasiev, S., Aidala, C., Ajitanand, N. N., Akiba, Y., Alexander, J., Amirikas, R., Aphecetche, L., Aronson, S. H., Averbeck, R., Awes, T. C., Azmoun, R., Babintsev, V., Baldisseri, A., Barish, K. N., Barnes, P. D., Bassalleck, B., Bathe, S., Batsouli, S., ... Hansen, A. G. (2005). Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV. Physical Review Letters, 95(20), Article 202001. https://doi.org/10.1103/PhysRevLett.95.202001

@article{272edba3e8cb4998b0c2209d3eda9384,

title = "Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV",

abstract = "Transverse single-spin asymmetries to probe the transverse-spin structure of the proton have been measured for neutral pions and nonidentified charged hadrons from polarized proton-proton collisions at midrapidity and s=200GeV. The data cover a transverse momentum (pT) range 1.0-5.0GeV/c for neutral pions and 0.5-5.0GeV/c for charged hadrons, at a Feynman-x value of approximately zero. The asymmetries seen in this previously unexplored kinematic region are consistent with zero within errors of a few percent. In addition, the inclusive charged hadron cross section at midrapidity from 0.5",

author = "Adler, {S. S.} and S. Afanasiev and C. Aidala and Ajitanand, {N. N.} and Y. Akiba and J. Alexander and R. Amirikas and L. Aphecetche and Aronson, {S. H.} and R. Averbeck and Awes, {T. C.} and R. Azmoun and V. Babintsev and A. Baldisseri and Barish, {K. N.} and Barnes, {P. D.} and B. Bassalleck and S. Bathe and S. Batsouli and V. Baublis and F. Bauer and A. Bazilevsky and S. Belikov and Y. Berdnikov and S. Bhagavatula and Boissevain, {J. G.} and H. Borel and S. Borenstein and Brooks, {M. L.} and Brown, {D. S.} and N. Bruner and D. Bucher and H. Buesching and V. Bumazhnov and G. Bunce and Burward-Hoy, {J. M.} and S. Butsyk and X. Camard and Chai, {J. S.} and P. Chand and Chang, {W. C.} and S. Chernichenko and Chi, {C. Y.} and J. Chiba and M. Chiu and Choi, {I. J.} and J. Choi and Choudhury, {R. K.} and T. Chujo and V. Cianciolo and Y. Cobigo and Cole, {B. A.} and P. Constantin and D. D'Enterria and G. David and H. Delagrange and A. Denisov and A. Deshpande and Desmond, {E. J.} and A. Devismes and O. Dietzsch and O. Drapier and A. Drees and Drees, {K. A.} and {Du Rietz}, R. and A. Durum and D. Dutta and Efremenko, {Y. V.} and {El Chenawi}, K. and A. Enokizono and H. En'Yo and S. Esumi and L. Ewell and Fields, {D. E.} and F. Fleuret and Fokin, {S. L.} and Fox, {B. D.} and Z. Fraenkel and Frantz, {J. E.} and A. Franz and Frawley, {A. D.} and Fung, {S. Y.} and S. Garpman and Ghosh, {T. K.} and A. Glenn and G. Gogiberidze and M. Gonin and J. Gosset and Y. Goto and {De Cassagnac}, {R. Granier} and N. Grau and Greene, {S. V.} and Perdekamp, {M. Grosse} and W. Guryn and Gustafsson, {H. {\AA}} and T. Hachiya and Haggerty, {J. S.} and H. Hamagaki and Hansen, {A. G.}",

year = "2005",

month = nov,

day = "11",

doi = "10.1103/PhysRevLett.95.202001",

language = "English",

volume = "95",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "20",

}

Adler, SS, Afanasiev, S, Aidala, C, Ajitanand, NN, Akiba, Y, Alexander, J, Amirikas, R, Aphecetche, L, Aronson, SH, Averbeck, R, Awes, TC, Azmoun, R, Babintsev, V, Baldisseri, A, Barish, KN, Barnes, PD, Bassalleck, B, Bathe, S, Batsouli, S, Baublis, V, Bauer, F, Bazilevsky, A, Belikov, S, Berdnikov, Y, Bhagavatula, S, Boissevain, JG, Borel, H, Borenstein, S, Brooks, ML, Brown, DS, Bruner, N, Bucher, D, Buesching, H, Bumazhnov, V, Bunce, G, Burward-Hoy, JM, Butsyk, S, Camard, X, Chai, JS, Chand, P, Chang, WC, Chernichenko, S, Chi, CY, Chiba, J, Chiu, M, Choi, IJ, Choi, J, Choudhury, RK, Chujo, T, Cianciolo, V, Cobigo, Y, Cole, BA, Constantin, P, D'Enterria, D, David, G, Delagrange, H, Denisov, A, Deshpande, A, Desmond, EJ, Devismes, A, Dietzsch, O, Drapier, O, Drees, A, Drees, KA, Du Rietz, R, Durum, A, Dutta, D, Efremenko, YV, El Chenawi, K, Enokizono, A, En'Yo, H, Esumi, S, Ewell, L, Fields, DE, Fleuret, F, Fokin, SL, Fox, BD, Fraenkel, Z, Frantz, JE, Franz, A, Frawley, AD, Fung, SY, Garpman, S, Ghosh, TK, Glenn, A, Gogiberidze, G, Gonin, M, Gosset, J, Goto, Y, De Cassagnac, RG, Grau, N, Greene, SV, Perdekamp, MG, Guryn, W, Gustafsson, HÅ, Hachiya, T, Haggerty, JS, Hamagaki, H & Hansen, AG 2005, 'Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV', Physical Review Letters, vol. 95, no. 20, 202001. https://doi.org/10.1103/PhysRevLett.95.202001

TY - JOUR

T1 - Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV

AU - Adler, S. S.

AU - Afanasiev, S.

AU - Aidala, C.

AU - Ajitanand, N. N.

AU - Akiba, Y.

AU - Alexander, J.

AU - Amirikas, R.

AU - Aphecetche, L.

AU - Aronson, S. H.

AU - Averbeck, R.

AU - Awes, T. C.

AU - Azmoun, R.

AU - Babintsev, V.

AU - Baldisseri, A.

AU - Barish, K. N.

AU - Barnes, P. D.

AU - Bassalleck, B.

AU - Bathe, S.

AU - Batsouli, S.

AU - Baublis, V.

AU - Bauer, F.

AU - Bazilevsky, A.

AU - Belikov, S.

AU - Berdnikov, Y.

AU - Bhagavatula, S.

AU - Boissevain, J. G.

AU - Borel, H.

AU - Borenstein, S.

AU - Brooks, M. L.

AU - Brown, D. S.

AU - Bruner, N.

AU - Bucher, D.

AU - Buesching, H.

AU - Bumazhnov, V.

AU - Bunce, G.

AU - Burward-Hoy, J. M.

AU - Butsyk, S.

AU - Camard, X.

AU - Chai, J. S.

AU - Chand, P.

AU - Chang, W. C.

AU - Chernichenko, S.

AU - Chi, C. Y.

AU - Chiba, J.

AU - Chiu, M.

AU - Choi, I. J.

AU - Choi, J.

AU - Choudhury, R. K.

AU - Chujo, T.

AU - Cianciolo, V.

AU - Cobigo, Y.

AU - Cole, B. A.

AU - Constantin, P.

AU - D'Enterria, D.

AU - David, G.

AU - Delagrange, H.

AU - Denisov, A.

AU - Deshpande, A.

AU - Desmond, E. J.

AU - Devismes, A.

AU - Dietzsch, O.

AU - Drapier, O.

AU - Drees, A.

AU - Drees, K. A.

AU - Du Rietz, R.

AU - Durum, A.

AU - Dutta, D.

AU - Efremenko, Y. V.

AU - El Chenawi, K.

AU - Enokizono, A.

AU - En'Yo, H.

AU - Esumi, S.

AU - Ewell, L.

AU - Fields, D. E.

AU - Fleuret, F.

AU - Fokin, S. L.

AU - Fox, B. D.

AU - Fraenkel, Z.

AU - Frantz, J. E.

AU - Franz, A.

AU - Frawley, A. D.

AU - Fung, S. Y.

AU - Garpman, S.

AU - Ghosh, T. K.

AU - Glenn, A.

AU - Gogiberidze, G.

AU - Gonin, M.

AU - Gosset, J.

AU - Goto, Y.

AU - De Cassagnac, R. Granier

AU - Grau, N.

AU - Greene, S. V.

AU - Perdekamp, M. Grosse

AU - Guryn, W.

AU - Gustafsson, H. Å

AU - Hachiya, T.

AU - Haggerty, J. S.

AU - Hamagaki, H.

AU - Hansen, A. G.

PY - 2005/11/11

Y1 - 2005/11/11

N2 - Transverse single-spin asymmetries to probe the transverse-spin structure of the proton have been measured for neutral pions and nonidentified charged hadrons from polarized proton-proton collisions at midrapidity and s=200GeV. The data cover a transverse momentum (pT) range 1.0-5.0GeV/c for neutral pions and 0.5-5.0GeV/c for charged hadrons, at a Feynman-x value of approximately zero. The asymmetries seen in this previously unexplored kinematic region are consistent with zero within errors of a few percent. In addition, the inclusive charged hadron cross section at midrapidity from 0.5

AB - Transverse single-spin asymmetries to probe the transverse-spin structure of the proton have been measured for neutral pions and nonidentified charged hadrons from polarized proton-proton collisions at midrapidity and s=200GeV. The data cover a transverse momentum (pT) range 1.0-5.0GeV/c for neutral pions and 0.5-5.0GeV/c for charged hadrons, at a Feynman-x value of approximately zero. The asymmetries seen in this previously unexplored kinematic region are consistent with zero within errors of a few percent. In addition, the inclusive charged hadron cross section at midrapidity from 0.5

UR - http://www.scopus.com/inward/record.url?scp=28844431765&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.95.202001

DO - 10.1103/PhysRevLett.95.202001

M3 - Article

AN - SCOPUS:28844431765

SN - 0031-9007

VL - 95

JO - Physical Review Letters

JF - Physical Review Letters

IS - 20

M1 - 202001

ER -

Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at s=200GeV

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