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8 results on '"Bandara NS"'

1. Nonperturbative-transverse-momentum broadening in dihadron angular correlations in sNN =200 GeV proton-nucleus collisions

Author

Aidala, C, Akiba, Y, Alfred, M, Andrieux, V, Apadula, N, Asano, H, Azmoun, B, Babintsev, V, Bandara, NS, Barish, KN, Bathe, S, Bazilevsky, A, Beaumier, M, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Boer, M, Bok, JS, Brooks, ML, Bryslawskyj, J, Bumazhnov, V, Campbell, S, Canoa Roman, V, Cervantes, R, Chi, CY, Chiu, M, Choi, IJ, Choi, JB, Citron, Z, Connors, M, Cronin, N, Csanád, M, Csörgo, T, Danley, TW, Daugherity, MS, David, G, Deblasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dion, A, Dixit, D, Do, JH, Drees, A, Drees, KA, Durham, JM, Durum, A, Enokizono, A, En'Yo, H, Esumi, S, Fadem, B, Fan, W, Feege, N, Fields, DE, Finger, M, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Fukuda, Y, Gal, C, Gallus, P, Garg, P, Ge, H, Giordano, F, Goto, Y, Grau, N, Greene, SV, Grosse Perdekamp, M, Gunji, T, Guragain, H, Hachiya, T, Haggerty, JS, Hahn, KI, Hamagaki, H, Hamilton, HF, Han, SY, Hanks, J, Hasegawa, S, Haseler, TOS, He, X, Hemmick, TK, Hill, JC, Hill, K, Hodges, A, Hollis, RS, Homma, K, Hong, B, Hoshino, T, Hotvedt, N, Huang, J, Huang, S, Imai, K, Inaba, M, Iordanova, A, Isenhower, D, and Ivanishchev, D

Subjects
hep-ex, nucl-ex
Abstract

The PHENIX collaboration has measured high-pT dihadron correlations in p+p, p+Al, and p+Au collisions at sNN=200 GeV. The correlations arise from inter- and intrajet correlations and thus have sensitivity to nonperturbative effects in both the initial and final states. The distributions of pout, the transverse-momentum component of the associated hadron perpendicular to the trigger hadron, are sensitive to initial- and final-state transverse momenta. These distributions are measured multidifferentially as a function of xE, the longitudinal momentum fraction of the associated hadron with respect to the trigger hadron. The near-side pout widths, sensitive to fragmentation transverse momentum, show no significant broadening between p+Au, p+Al, and p+p. The away-side nonperturbative pout widths are found to be broadened in p+Au when compared to p+p; however, there is no significant broadening in p+Al compared to p+p collisions. The data also suggest that the away-side pout broadening is a function of Ncoll, the number of binary nucleon-nucleon collisions, in the interaction. The potential implications of these results with regard to initial- and final-state transverse-momentum broadening and energy loss of partons in a nucleus, among other nuclear effects, are discussed.

Published
2019

2. Nonperturbative-transverse-momentum broadening in dihadron angular correlations in sNN=200GeV proton-nucleus collisions

Author

Aidala, C, Akiba, Y, Alfred, M, Andrieux, V, Apadula, N, Asano, H, Azmoun, B, Babintsev, V, Bandara, NS, Barish, KN, Bathe, S, Bazilevsky, A, Beaumier, M, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Boer, M, Bok, JS, Brooks, ML, Bryslawskyj, J, Bumazhnov, V, Campbell, S, Roman, V Canoa, Cervantes, R, Y., C, Chiu, M, Choi, IJ, Choi, JB, Citron, Z, Connors, M, Cronin, N, Csanád, M, Csörgő, T, Danley, TW, Daugherity, MS, David, G, DeBlasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dion, A, Dixit, D, H., J, Drees, A, Drees, KA, Durham, JM, Durum, A, Enokizono, A, En'yo, H, Esumi, S, Fadem, B, Fan, W, Feege, N, Fields, DE, Finger, M, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Fukuda, Y, Gal, C, Gallus, P, Garg, P, Ge, H, Giordano, F, Goto, Y, Grau, N, Greene, SV, Perdekamp, M Grosse, Gunji, T, Guragain, H, Hachiya, T, Haggerty, JS, Hahn, KI, Hamagaki, H, Hamilton, HF, Han, SY, Hanks, J, Hasegawa, S, Haseler, TOS, He, X, Hemmick, TK, Hill, JC, Hill, K, Hodges, A, Hollis, RS, Homma, K, Hong, B, Hoshino, T, Hotvedt, N, Huang, J, Huang, S, Imai, K, Inaba, M, Iordanova, A, Isenhower, D, and Ivanishchev, D

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, hep-ex, nucl-ex, Nuclear and plasma physics
Abstract

The PHENIX collaboration has measured high-pT dihadron correlations in p+p, p+Al, and p+Au collisions at sNN=200 GeV. The correlations arise from inter- and intrajet correlations and thus have sensitivity to nonperturbative effects in both the initial and final states. The distributions of pout, the transverse-momentum component of the associated hadron perpendicular to the trigger hadron, are sensitive to initial- and final-state transverse momenta. These distributions are measured multidifferentially as a function of xE, the longitudinal momentum fraction of the associated hadron with respect to the trigger hadron. The near-side pout widths, sensitive to fragmentation transverse momentum, show no significant broadening between p+Au, p+Al, and p+p. The away-side nonperturbative pout widths are found to be broadened in p+Au when compared to p+p; however, there is no significant broadening in p+Al compared to p+p collisions. The data also suggest that the away-side pout broadening is a function of Ncoll, the number of binary nucleon-nucleon collisions, in the interaction. The potential implications of these results with regard to initial- and final-state transverse-momentum broadening and energy loss of partons in a nucleus, among other nuclear effects, are discussed.

Published
2019

3. Multiparticle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au + Au collisions at sNN =200 GeV

Author

Adare, A, Aidala, C, Ajitanand, NN, Akiba, Y, Alfred, M, Apadula, N, Asano, H, Azmoun, B, Babintsev, V, Bagoly, A, Bai, M, Bandara, NS, Bannier, B, Barish, KN, Bathe, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Boer, M, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Bumazhnov, V, Campbell, S, Canoa Roman, V, Chen, CH, Chi, CY, Chiu, M, Choi, IJ, Choi, JB, Chujo, T, Citron, Z, Connors, M, Csanád, M, Csörgo, T, Danley, TW, Datta, A, Daugherity, MS, David, G, Deblasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dion, A, Diss, PB, Do, JH, Drees, A, Drees, KA, Durham, JM, Durum, A, Enokizono, A, Esumi, S, Fadem, B, Fan, W, Feege, N, Fields, DE, Finger, M, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Gal, C, Gallus, P, Garg, P, Ge, H, Giordano, F, Glenn, A, Goto, Y, Grau, N, Greene, SV, Grosse Perdekamp, M, Gunji, T, Hachiya, T, Haggerty, JS, Hahn, KI, Hamagaki, H, Hamilton, HF, Han, SY, Hanks, J, Hasegawa, S, Haseler, TOS, Hashimoto, K, He, X, Hemmick, TK, Hill, JC, Hill, K, Hodges, A, Hollis, RS, Homma, K, Hong, B, Hoshino, T, Hotvedt, N, and Huang, J

Subjects
nucl-ex, hep-ex
Abstract

We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity 1

Published
2019

4. Multiparticle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au + Au collisions at sNN=200 GeV

Author

Adare, A, Aidala, C, Ajitanand, NN, Akiba, Y, Alfred, M, Apadula, N, Asano, H, Azmoun, B, Babintsev, V, Bagoly, A, Bai, M, Bandara, NS, Bannier, B, Barish, KN, Bathe, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Boer, M, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Bumazhnov, V, Campbell, S, Roman, V Canoa, Chen, C-H, Y., C, Chiu, M, Choi, IJ, Choi, JB, Chujo, T, Citron, Z, Connors, M, Csanád, M, Csörgő, T, Danley, TW, Datta, A, Daugherity, MS, David, G, DeBlasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dion, A, Diss, PB, H., J, Drees, A, Drees, KA, Durham, JM, Durum, A, Enokizono, A, Esumi, S, Fadem, B, Fan, W, Feege, N, Fields, DE, Finger, M, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Gal, C, Gallus, P, Garg, P, Ge, H, Giordano, F, Glenn, A, Goto, Y, Grau, N, Greene, SV, Perdekamp, M Grosse, Gunji, T, Hachiya, T, Haggerty, JS, Hahn, KI, Hamagaki, H, Hamilton, HF, Han, SY, Hanks, J, Hasegawa, S, Haseler, TOS, Hashimoto, K, He, X, Hemmick, TK, Hill, JC, Hill, K, Hodges, A, Hollis, RS, Homma, K, Hong, B, Hoshino, T, Hotvedt, N, and Huang, J

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, nucl-ex, hep-ex, Nuclear and plasma physics
Abstract

We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity 1

Published
2019

5. Azimuthally anisotropic emission of low-momentum direct photons in Au + Au collisions at sNN =200 GeV

Author

Adare, A, Afanasiev, S, Aidala, C, Ajitanand, NN, Akiba, Y, Akimoto, R, Al-Bataineh, H, Alexander, J, Alfred, M, Al-Ta'Ani, H, Angerami, A, Aoki, K, Apadula, N, Aramaki, Y, Asano, H, Aschenauer, EC, Atomssa, ET, Averbeck, R, Awes, TC, Azmoun, B, Babintsev, V, Bai, M, Baksay, G, Baksay, L, Bandara, NS, Bannier, B, Barish, KN, Bassalleck, B, Basye, AT, Bathe, S, Baublis, V, Baumann, C, Baumgart, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belikov, S, Belmont, R, Bennett, R, Berdnikov, A, Berdnikov, Y, Bickley, AA, Blau, DS, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Buesching, H, Bumazhnov, V, Bunce, G, Butsyk, S, Camacho, CM, Campbell, S, Castera, P, Chen, CH, Chi, CY, Chiu, M, Choi, IJ, Choi, JB, Choi, S, Choudhury, RK, Christiansen, P, Chujo, T, Chung, P, Chvala, O, Cianciolo, V, Citron, Z, Cole, BA, Connors, M, Constantin, P, Csanád, M, Csörgo, T, Dahms, T, Dairaku, S, Danchev, I, Danley, TW, Das, K, Datta, A, Daugherity, MS, David, G, Deblasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dharmawardane, KV, Dietzsch, O, Ding, L, Dion, A, Diss, PB, Do, JH, Donadelli, M, D'Orazio, L, Drapier, O, Drees, A, Drees, KA, Durham, JM, Durum, A, Dutta, D, and Edwards, S

Subjects
nucl-ex
Abstract

The PHENIX experiment at the BNL Relativistic Heavy Ion Collider has measured second- and third-order Fourier coefficients of the azimuthal distributions of direct photons emitted at midrapidity in Au+Au collisions at sNN=200 GeV for various collision centralities. Combining two different analysis techniques, results were obtained in the transverse momentum range of 0.4

Published
2016

6. Azimuthally anisotropic emission of low-momentum direct photons in Au + Au collisions at sNN=200 GeV

Author

Adare, A, Afanasiev, S, Aidala, C, Ajitanand, NN, Akiba, Y, Akimoto, R, Al-Bataineh, H, Alexander, J, Alfred, M, Al-Ta'ani, H, Angerami, A, Aoki, K, Apadula, N, Aramaki, Y, Asano, H, Aschenauer, EC, Atomssa, ET, Averbeck, R, Awes, TC, Azmoun, B, Babintsev, V, Bai, M, Baksay, G, Baksay, L, Bandara, NS, Bannier, B, Barish, KN, Bassalleck, B, Basye, AT, Bathe, S, Baublis, V, Baumann, C, Baumgart, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belikov, S, Belmont, R, Bennett, R, Berdnikov, A, Berdnikov, Y, Bickley, AA, Blau, DS, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Buesching, H, Bumazhnov, V, Bunce, G, Butsyk, S, Camacho, CM, Campbell, S, Castera, P, Chen, C-H, Y., C, Chiu, M, Choi, IJ, Choi, JB, Choi, S, Choudhury, RK, Christiansen, P, Chujo, T, Chung, P, Chvala, O, Cianciolo, V, Citron, Z, Cole, BA, Connors, M, Constantin, P, Csanád, M, Csörgő, T, Dahms, T, Dairaku, S, Danchev, I, Danley, TW, Das, K, Datta, A, Daugherity, MS, David, G, DeBlasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dharmawardane, KV, Dietzsch, O, Ding, L, Dion, A, Diss, PB, H., J, Donadelli, M, D'Orazio, L, Drapier, O, Drees, A, Drees, KA, Durham, JM, Durum, A, Dutta, D, and Edwards, S

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, nucl-ex, Nuclear and plasma physics
Abstract

The PHENIX experiment at the BNL Relativistic Heavy Ion Collider has measured second- and third-order Fourier coefficients of the azimuthal distributions of direct photons emitted at midrapidity in Au+Au collisions at sNN=200 GeV for various collision centralities. Combining two different analysis techniques, results were obtained in the transverse momentum range of 0.4

Published
2016

7. Dielectron production in Au + Au collisions at sNN =200 GeV

Author

Adare, A, Aidala, C, Ajitanand, NN, Akiba, Y, Akimoto, R, Alexander, J, Alfred, M, Al-Ta'Ani, H, Angerami, A, Aoki, K, Apadula, N, Aramaki, Y, Asano, H, Aschenauer, EC, Atomssa, ET, Averbeck, R, Awes, TC, Azmoun, B, Babintsev, V, Bai, M, Bandara, NS, Bannier, B, Barish, KN, Bassalleck, B, Bathe, S, Baublis, V, Baumgart, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Buesching, H, Bumazhnov, V, Butsyk, S, Campbell, S, Castera, P, Chen, CH, Chi, CY, Chiu, M, Choi, IJ, Choi, JB, Choi, S, Choudhury, RK, Christiansen, P, Chujo, T, Chvala, O, Cianciolo, V, Citron, Z, Cole, BA, Connors, M, Csanád, M, Csörgo, T, Dairaku, S, Danley, TW, Datta, A, Daugherity, MS, David, G, Deblasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dharmawardane, KV, Dietzsch, O, Ding, L, Dion, A, Diss, PB, Do, JH, Donadelli, M, D'Orazio, L, Drapier, O, Drees, A, Drees, KA, Durham, JM, Durum, A, Edwards, S, Efremenko, YV, Engelmore, T, Enokizono, A, Esumi, S, Eyser, KO, Fadem, B, Feege, N, Fields, DE, Finger, M, Fleuret, F, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Fukao, Y, and Fusayasu, T

Subjects
nucl-ex
Abstract

We present measurements of e+e- production at midrapidity in Au+Au collisions at sNN=200 GeV. The invariant yield is studied within the PHENIX detector acceptance over a wide range of mass (mee

Published
2016

8. Dielectron production in Au + Au collisions at sNN=200 GeV

Author

Adare, A, Aidala, C, Ajitanand, NN, Akiba, Y, Akimoto, R, Alexander, J, Alfred, M, Al-Ta'ani, H, Angerami, A, Aoki, K, Apadula, N, Aramaki, Y, Asano, H, Aschenauer, EC, Atomssa, ET, Averbeck, R, Awes, TC, Azmoun, B, Babintsev, V, Bai, M, Bandara, NS, Bannier, B, Barish, KN, Bassalleck, B, Bathe, S, Baublis, V, Baumgart, S, Bazilevsky, A, Beaumier, M, Beckman, S, Belmont, R, Berdnikov, A, Berdnikov, Y, Blau, DS, Bok, JS, Boyle, K, Brooks, ML, Bryslawskyj, J, Buesching, H, Bumazhnov, V, Butsyk, S, Campbell, S, Castera, P, Chen, C-H, Y., C, Chiu, M, Choi, IJ, Choi, JB, Choi, S, Choudhury, RK, Christiansen, P, Chujo, T, Chvala, O, Cianciolo, V, Citron, Z, Cole, BA, Connors, M, Csanád, M, Csörgő, T, Dairaku, S, Danley, TW, Datta, A, Daugherity, MS, David, G, DeBlasio, K, Dehmelt, K, Denisov, A, Deshpande, A, Desmond, EJ, Dharmawardane, KV, Dietzsch, O, Ding, L, Dion, A, Diss, PB, H., J, Donadelli, M, D'Orazio, L, Drapier, O, Drees, A, Drees, KA, Durham, JM, Durum, A, Edwards, S, Efremenko, YV, Engelmore, T, Enokizono, A, Esumi, S, Eyser, KO, Fadem, B, Feege, N, Fields, DE, Finger, M, Fleuret, F, Fokin, SL, Frantz, JE, Franz, A, Frawley, AD, Fukao, Y, and Fusayasu, T

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, nucl-ex, Nuclear and plasma physics
Abstract

We present measurements of e+e- production at midrapidity in Au+Au collisions at sNN=200 GeV. The invariant yield is studied within the PHENIX detector acceptance over a wide range of mass (mee

Published
2016

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