============================================================================================================ CERN-PH-EP/2008-002 hep-ex/0802.2160 Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS Authors: The COMPASS Collaboration: M. Alekseev, et al ============================================================================================================ all hadrons ------------------------------------------------------------------------------------------------------------ positive pions ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006469 [0.003,0.008] 1.24 0.65 0.29 0.53 -0.0741 0.0289 -0.0134 0.0179 0.01059 [0.008,0.013] 1.45 0.46 0.33 0.52 -0.0043 0.0136 -0.0149 0.0111 0.01643 [0.013,0.02] 1.67 0.34 0.35 0.49 0.0084 0.0100 -0.0086 0.0090 0.02556 [0.02,0.032] 1.99 0.26 0.37 0.46 -0.0007 0.0084 0.0036 0.0078 0.03967 [0.032,0.05] 2.79 0.23 0.39 0.45 0.0138 0.0093 -0.0015 0.0087 0.06255 [0.05,0.08] 4.54 0.24 0.38 0.46 0.0089 0.0116 -0.0015 0.0109 0.1005 [0.08,0.13] 7.40 0.25 0.37 0.46 0.0019 0.0151 -0.0186 0.0142 0.1609 [0.13,0.21] 11.8 0.24 0.37 0.47 0.0220 0.0224 -0.0326 0.0208 0.2781 [0.21,1] 23.8 0.28 0.36 0.51 -0.0087 0.0383 0.0043 0.0349 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1547 [0.1,0.2] 3.18 0.29 0.043 0.35 0.0236 0.0126 0.0001 0.0115 0.2519 [0.2,0.3] 3.14 0.29 0.042 0.35 -0.0000 0.0103 -0.0115 0.0095 0.3496 [0.3,0.4] 3.14 0.30 0.041 0.35 -0.0054 0.0099 -0.0065 0.0090 0.4482 [0.4,0.5] 3.23 0.31 0.041 0.35 -0.0030 0.0106 -0.0030 0.0095 0.5475 [0.5,0.6] 3.29 0.32 0.041 0.36 -0.0047 0.0121 0.0015 0.0108 0.6681 [0.6,0.75] 3.36 0.33 0.040 0.37 -0.0047 0.0121 -0.0091 0.0108 0.817 [0.75,0.9] 3.46 0.34 0.040 0.39 0.0257 0.0165 0.0083 0.0145 1.042 [0.9,1.3] 3.61 0.36 0.039 0.41 0.0266 0.0180 -0.0342 0.0157 1.549 [1.3,10.] 4.08 0.43 0.038 0.43 -0.0465 0.0409 -0.0118 0.0333 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2237 [0.2,0.25] 3.43 0.36 0.037 0.43 0.0014 0.0083 -0.0113 0.0072 0.2737 [0.25,0.3] 3.37 0.34 0.039 0.45 -0.0059 0.0096 -0.0030 0.0086 0.3237 [0.3,0.35] 3.33 0.32 0.041 0.48 0.0012 0.0114 -0.0142 0.0101 0.3737 [0.35,0.4] 3.28 0.30 0.042 0.49 0.0145 0.0132 -0.0123 0.0119 0.4448 [0.4,0.5] 3.19 0.28 0.044 0.52 0.0096 0.0118 -0.0044 0.0108 0.5646 [0.5,0.65] 3.03 0.25 0.046 0.54 0.0113 0.0133 0.0157 0.0125 0.7164 [0.65,0.8] 2.74 0.22 0.046 0.54 -0.0050 0.0186 0.0068 0.0178 0.8787 [0.8,1] 2.40 0.19 0.045 0.47 -0.0109 0.0247 -0.0155 0.0238 negative pions ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006453 [0.003,0.008] 1.24 0.65 0.29 0.54 0.0261 0.0260 0.0032 0.0159 0.01057 [0.008,0.013] 1.46 0.47 0.32 0.52 0.0132 0.0130 -0.0027 0.0105 0.01641 [0.013,0.02] 1.68 0.35 0.35 0.49 0.0197 0.0101 -0.0231 0.0090 0.02552 [0.02,0.032] 2.02 0.27 0.37 0.46 -0.0015 0.0086 -0.0079 0.0081 0.03964 [0.032,0.05] 2.82 0.24 0.38 0.45 -0.0122 0.0097 -0.0056 0.0091 0.06247 [0.05,0.08] 4.59 0.25 0.38 0.45 0.0157 0.0123 -0.0099 0.0115 0.1004 [0.08,0.13] 7.42 0.25 0.36 0.46 0.0021 0.0164 -0.0166 0.0153 0.1607 [0.13,0.21] 11.9 0.25 0.36 0.47 0.0060 0.0254 -0.0026 0.0235 0.2781 [0.21,1] 23.9 0.28 0.35 0.51 0.0076 0.0453 -0.0339 0.0411 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1545 [0.1,0.2] 3.05 0.29 0.041 0.35 -0.0057 0.0125 0.0059 0.0114 0.2520 [0.2,0.3] 3.00 0.30 0.040 0.35 -0.0007 0.0104 -0.0100 0.0094 0.3497 [0.3,0.4] 3.01 0.31 0.039 0.35 -0.0111 0.0100 -0.0148 0.0090 0.4483 [0.4,0.5] 3.08 0.32 0.039 0.35 0.0144 0.0109 -0.0186 0.0096 0.5475 [0.5,0.6] 3.15 0.33 0.038 0.35 0.0034 0.0123 -0.0021 0.0110 0.6680 [0.6,0.75] 3.23 0.34 0.038 0.36 0.0137 0.0125 -0.0185 0.0110 0.8168 [0.75,0.9] 3.29 0.35 0.037 0.38 0.0376 0.0175 -0.0028 0.0152 1.042 [0.9,1.3] 3.42 0.38 0.036 0.40 0.0146 0.0189 -0.0099 0.0162 1.554 [1.3,10.] 3.83 0.43 0.035 0.42 0.1199 0.0439 -0.0289 0.0354 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2236 [0.2,0.25] 3.31 0.37 0.036 0.44 0.0144 0.0085 -0.0141 0.0073 0.2736 [0.25,0.3] 3.25 0.35 0.038 0.46 0.0140 0.0096 -0.0123 0.0084 0.3236 [0.3,0.35] 3.19 0.33 0.039 0.48 0.0001 0.0115 -0.0044 0.0102 0.3736 [0.35,0.4] 3.13 0.31 0.040 0.50 -0.0061 0.0132 0.0075 0.0118 0.4446 [0.4,0.5] 3.02 0.28 0.041 0.52 -0.0109 0.0122 -0.0247 0.0111 0.5643 [0.5,0.65] 2.81 0.25 0.042 0.54 0.0086 0.0138 0.0024 0.0130 0.7171 [0.65,0.8] 2.51 0.22 0.042 0.52 0.0121 0.0200 -0.0345 0.0191 0.8794 [0.8,1] 2.21 0.19 0.041 0.43 -0.0214 0.0254 0.0287 0.0247 positive kaons ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006452 [0.003,0.008] 1.24 0.65 0.30 0.57 0.0289 0.0741 -0.0419 0.0447 0.01054 [0.008,0.013] 1.49 0.48 0.35 0.56 -0.0041 0.0334 -0.0120 0.0266 0.01628 [0.013,0.02] 1.82 0.38 0.39 0.56 -0.0034 0.0264 0.0214 0.0230 0.02533 [0.02,0.032] 2.39 0.32 0.44 0.55 0.0237 0.0248 0.0458 0.0222 0.0398 [0.032,0.05] 3.61 0.30 0.46 0.54 -0.0193 0.0284 0.0085 0.0258 0.06279 [0.05,0.08] 5.74 0.30 0.45 0.54 -0.0325 0.0322 0.0143 0.0292 0.1008 [0.08,0.13] 9.1 0.30 0.45 0.53 -0.0271 0.0394 -0.0245 0.0359 0.1608 [0.13,0.21] 14.5 0.30 0.45 0.54 -0.1417 0.0558 -0.0015 0.0505 0.2847 [0.21,1] 28.7 0.33 0.44 0.56 -0.0607 0.0911 0.0170 0.0820 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1543 [0.1,0.2] 3.75 0.38 0.039 0.39 -0.1461 0.0392 0.0169 0.0341 0.2519 [0.2,0.3] 3.75 0.38 0.039 0.39 0.0406 0.0343 0.0174 0.0296 0.3503 [0.3,0.4] 3.77 0.37 0.039 0.39 0.0034 0.0326 -0.0137 0.0280 0.4491 [0.4,0.5] 3.77 0.37 0.039 0.40 -0.0294 0.0328 0.0165 0.0280 0.5486 [0.5,0.6] 3.76 0.37 0.039 0.41 -0.0042 0.0339 0.0518 0.0290 0.6703 [0.6,0.75] 3.68 0.37 0.038 0.42 0.0311 0.0302 -0.0192 0.0259 0.8192 [0.75,0.9] 3.71 0.37 0.038 0.43 -0.0371 0.0365 0.0251 0.0315 1.051 [0.9,1.3] 3.75 0.39 0.037 0.44 0.0244 0.0350 0.0061 0.0297 1.57 [1.3,10.] 4.12 0.44 0.036 0.44 -0.0447 0.0668 0.0144 0.0541 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2249 [0.2,0.25] 3.97 0.5 0.028 0.52 -0.0149 0.0341 0.0159 0.0260 0.2747 [0.25,0.3] 4.00 0.46 0.032 0.52 -0.0180 0.0329 -0.0251 0.0266 0.3245 [0.3,0.35] 3.92 0.42 0.035 0.54 0.0049 0.0331 0.0051 0.0274 0.3742 [0.35,0.4] 3.87 0.38 0.038 0.55 0.0002 0.0345 0.0756 0.0295 0.4463 [0.4,0.5] 3.74 0.33 0.042 0.56 -0.0160 0.0262 -0.0012 0.0234 0.5659 [0.5,0.65] 3.44 0.27 0.046 0.58 0.0015 0.0269 0.0090 0.0250 0.7142 [0.65,0.8] 3.25 0.23 0.051 0.62 -0.0107 0.0399 0.0026 0.0380 0.8732 [0.8,1] 2.93 0.2 0.052 0.61 -0.0705 0.0670 0.0509 0.0645 negative kaons ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006431 [0.003,0.008] 1.25 0.66 0.30 0.57 0.0972 0.0945 -0.0478 0.0557 0.01051 [0.008,0.013] 1.51 0.48 0.34 0.56 -0.0358 0.0447 -0.0284 0.0353 0.01621 [0.013,0.02] 1.87 0.39 0.37 0.54 0.0186 0.0367 -0.0200 0.0317 0.0252 [0.02,0.032] 2.53 0.34 0.41 0.54 0.0348 0.0341 -0.0106 0.0303 0.03966 [0.032,0.05] 3.87 0.33 0.42 0.53 0.0224 0.0393 -0.1272 0.0349 0.06254 [0.05,0.08] 6.13 0.33 0.41 0.53 -0.0486 0.0472 0.0095 0.0428 0.09993 [0.08,0.13] 9.68 0.32 0.41 0.53 -0.0912 0.0598 0.0212 0.0536 0.1599 [0.13,0.21] 15.8 0.33 0.40 0.54 -0.2153 0.0928 -0.0005 0.0812 0.2852 [0.21,1] 31.4 0.36 0.37 0.54 0.0163 0.1662 0.0518 0.1404 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.154 [0.1,0.2] 3.27 0.39 0.032 0.38 -0.0237 0.0604 -0.0453 0.0513 0.2516 [0.2,0.3] 3.27 0.40 0.032 0.37 -0.0753 0.0508 -0.0098 0.0428 0.3501 [0.3,0.4] 3.29 0.40 0.031 0.37 0.0639 0.0508 -0.0537 0.0426 0.4491 [0.4,0.5] 3.34 0.40 0.032 0.37 -0.0333 0.0485 0.0195 0.0407 0.5485 [0.5,0.6] 3.35 0.40 0.032 0.38 -0.0149 0.0479 0.0393 0.0402 0.6699 [0.6,0.75] 3.30 0.41 0.031 0.38 0.0126 0.0413 -0.0387 0.0345 0.8183 [0.75,0.9] 3.30 0.41 0.031 0.39 0.0028 0.0495 -0.0313 0.0410 1.052 [0.9,1.3] 3.34 0.42 0.030 0.40 0.0894 0.0458 -0.0967 0.0376 1.57 [1.3,10.] 3.50 0.47 0.028 0.41 -0.0833 0.0843 -0.1500 0.0644 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2248 [0.2,0.25] 3.65 0.51 0.026 0.51 -0.0094 0.0436 -0.0110 0.0329 0.2743 [0.25,0.3] 3.51 0.46 0.028 0.53 -0.0461 0.0425 -0.0319 0.0337 0.3242 [0.3,0.35] 3.49 0.43 0.030 0.54 0.0451 0.0437 -0.0325 0.0355 0.3742 [0.35,0.4] 3.35 0.40 0.032 0.56 0.0359 0.0475 -0.0269 0.0399 0.4454 [0.4,0.5] 3.13 0.35 0.034 0.56 -0.0613 0.0376 -0.0433 0.0333 0.5641 [0.5,0.65] 2.85 0.29 0.037 0.57 0.0259 0.0411 -0.0049 0.0383 0.7111 [0.65,0.8] 2.68 0.25 0.040 0.60 0.1104 0.0757 -0.1984 0.0716 0.8679 [0.8,1] 2.45 0.23 0.039 0.55 0.1223 0.1356 0.1501 0.1312 K^0 ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.00906 [0.003,0.013] 1.44 0.552 0.341 0.560 0.0638 0.0458 -0.0518 0.0326 0.02090 [0.013,0.032] 2.09 0.344 0.361 0.521 -0.0079 0.0310 -0.0506 0.0276 0.04866 [0.032,0.08] 4.23 0.290 0.383 0.494 -0.0063 0.0392 0.0403 0.0357 0.10022 [0.08,0.13] 8.71 0.290 0.380 0.496 0.0989 0.0848 0.0499 0.0783 0.19459 [0.13,1] 18.6 0.311 0.376 0.524 0.1926 0.1149 0.0864 0.1044 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2374 [0.1,0.35] 3.25 0.359 0.0358 0.346 0.0290 0.0359 -0.0130 0.0311 0.4463 [0.35,0.55] 3.33 0.374 0.0350 0.355 0.0101 0.0382 -0.0228 0.0327 0.6411 [0.55,0.75] 3.32 0.388 0.0338 0.371 0.0328 0.0452 -0.0060 0.0381 0.8558 [0.75,1] 3.39 0.407 0.0327 0.388 -0.0244 0.0593 -0.0168 0.0490 1.2516 [1,10] 3.68 0.451 0.0315 0.406 0.0742 0.0786 -0.1402 0.0627 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2244 [0.2,0.25] 3.54 0.435 0.0309 0.479 0.0512 0.0465 -0.0478 0.0378 0.2853 [0.25,0.325] 3.43 0.397 0.0333 0.501 -0.0228 0.0397 -0.0099 0.0334 0.3709 [0.325,0.425] 3.32 0.366 0.0356 0.532 -0.0424 0.0406 0.0133 0.0349 0.4802 [0.425,0.55] 3.13 0.342 0.0371 0.556 0.0647 0.0501 -0.0573 0.0438 0.6111 [0.55,0.7] 3.03 0.328 0.0384 0.596 0.1115 0.0703 0.0171 0.0614 0.7804 [0.7,1] 2.97 0.306 0.0412 0.633 0.0702 0.1020 -0.1093 0.0924 ------------------------------------------------------------------------------------------------------------ Leading hadrons ------------------------------------------------------------------------------------------------------------ positive pions ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006523 [0.003,0.008] 1.23 0.64 0.34 0.56 -0.0888 0.0397 -0.0314 0.0252 0.01062 [0.008,0.013] 1.43 0.46 0.39 0.55 -0.0103 0.0178 -0.0248 0.0147 0.01646 [0.013,0.02] 1.64 0.34 0.42 0.52 0.0157 0.0128 -0.0106 0.0115 0.02564 [0.02,0.032] 1.91 0.25 0.44 0.49 0.0047 0.0103 0.0013 0.0096 0.03969 [0.032,0.05] 2.62 0.22 0.45 0.47 0.0083 0.0112 0.0051 0.0105 0.06254 [0.05,0.08] 4.27 0.23 0.44 0.48 0.0129 0.0138 0.0072 0.0129 0.1006 [0.08,0.13] 7.02 0.23 0.43 0.49 0.0009 0.0181 -0.0212 0.0171 0.1609 [0.13,0.21] 11.1 0.23 0.43 0.50 0.0271 0.0268 -0.0302 0.0252 0.2763 [0.21,1] 22.4 0.26 0.42 0.54 0.0048 0.0462 -0.0013 0.0425 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1547 [0.1,0.2] 3.08 0.27 0.045 0.42 0.0341 0.0163 0.0181 0.0150 0.2519 [0.2,0.3] 3.07 0.27 0.044 0.42 -0.0057 0.0134 -0.0099 0.0123 0.3500 [0.3,0.4] 3.09 0.28 0.043 0.42 -0.0068 0.0127 -0.0080 0.0116 0.4487 [0.4,0.5] 3.15 0.29 0.043 0.42 -0.0006 0.0132 -0.0119 0.0120 0.5479 [0.5,0.6] 3.23 0.30 0.043 0.42 -0.0046 0.0147 0.0026 0.0134 0.6690 [0.6,0.75] 3.30 0.31 0.042 0.43 -0.0013 0.0142 -0.0107 0.0128 0.8176 [0.75,0.9] 3.41 0.32 0.042 0.44 0.0255 0.0188 0.0014 0.0168 1.044 [0.9,1.3] 3.59 0.34 0.041 0.46 0.0325 0.0198 -0.0371 0.0177 1.553 [1.3,10.] 4.09 0.40 0.040 0.47 -0.0324 0.0429 -0.0207 0.0361 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2744 [0.25,0.3] 3.39 0.34 0.04 0.46 0.0043 0.0111 -0.0186 0.0097 0.3241 [0.3,0.35] 3.37 0.33 0.041 0.48 -0.0039 0.0124 -0.0136 0.0110 0.3739 [0.35,0.4] 3.33 0.31 0.043 0.50 0.0121 0.0140 -0.0097 0.0126 0.4452 [0.4,0.5] 3.25 0.28 0.045 0.52 0.0083 0.0121 -0.0023 0.0110 0.5648 [0.5,0.65] 3.03 0.25 0.046 0.54 0.0111 0.0133 0.0148 0.0125 0.7165 [0.65,0.8] 2.74 0.22 0.046 0.54 -0.0053 0.0186 0.0072 0.0179 0.8787 [0.8,1] 2.40 0.19 0.045 0.47 -0.0111 0.0247 -0.0160 0.0238 negative pions ........................................................... Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006505 [0.003,0.008] 1.23 0.64 0.34 0.57 0.0423 0.0354 0.0072 0.0222 0.01060 [0.008,0.013] 1.44 0.46 0.39 0.55 0.0016 0.0170 -0.0120 0.0140 0.01644 [0.013,0.02] 1.65 0.34 0.42 0.52 0.0147 0.0129 -0.0195 0.0117 0.02561 [0.02,0.032] 1.94 0.25 0.44 0.49 -0.0032 0.0107 -0.0038 0.0101 0.03965 [0.032,0.05] 2.65 0.22 0.45 0.47 -0.0039 0.0118 -0.0004 0.0111 0.06245 [0.05,0.08] 4.32 0.23 0.44 0.48 0.0014 0.0150 0.0022 0.0140 0.1004 [0.08,0.13] 7.01 0.23 0.43 0.48 0.0137 0.0198 -0.0254 0.0186 0.1607 [0.13,0.21] 11.1 0.23 0.42 0.50 0.0065 0.0312 -0.0242 0.0292 0.2767 [0.21,1] 22.4 0.26 0.41 0.54 -0.0124 0.0581 -0.0373 0.0530 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1544 [0.1,0.2] 2.92 0.27 0.042 0.43 -0.0233 0.0163 0.0182 0.0150 0.2518 [0.2,0.3] 2.90 0.28 0.041 0.43 -0.0010 0.0134 -0.0201 0.0123 0.3500 [0.3,0.4] 2.93 0.29 0.041 0.42 -0.0183 0.0130 -0.0089 0.0117 0.4488 [0.4,0.5] 3.00 0.30 0.040 0.42 0.0138 0.0137 -0.0126 0.0125 0.5479 [0.5,0.6] 3.07 0.31 0.040 0.41 0.0033 0.0152 -0.0080 0.0136 0.6688 [0.6,0.75] 3.16 0.32 0.040 0.42 0.0199 0.0149 -0.0103 0.0134 0.8174 [0.75,0.9] 3.22 0.33 0.039 0.43 0.0298 0.0201 0.0081 0.0180 1.044 [0.9,1.3] 3.39 0.35 0.038 0.45 0.0093 0.0208 -0.0244 0.0183 1.559 [1.3,10.] 3.81 0.41 0.036 0.46 0.1382 0.0470 -0.0506 0.0390 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2743 [0.25,0.3] 3.26 0.35 0.037 0.47 0.0182 0.0111 -0.0101 0.0097 0.3240 [0.3,0.35] 3.23 0.34 0.039 0.49 0.0021 0.0125 -0.0061 0.0111 0.3738 [0.35,0.4] 3.17 0.32 0.040 0.51 -0.0065 0.0140 0.0085 0.0125 0.4450 [0.4,0.5] 3.07 0.29 0.042 0.53 -0.0086 0.0125 -0.0264 0.0115 0.5646 [0.5,0.65] 2.82 0.25 0.042 0.54 0.0093 0.0138 0.0012 0.0130 0.7171 [0.65,0.8] 2.51 0.22 0.042 0.52 0.0121 0.0200 -0.0356 0.0191 0.8794 [0.8,1] 2.21 0.19 0.041 0.43 -0.0214 0.0254 0.0282 0.0247 positive kaons ........................................................... Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006512 [0.003,0.008] 1.23 0.64 0.35 0.60 0.0252 0.0940 -0.0948 0.0583 0.01059 [0.008,0.013] 1.46 0.46 0.40 0.59 -0.0227 0.0401 -0.0526 0.0324 0.01635 [0.013,0.02] 1.73 0.36 0.43 0.58 0.0367 0.0301 0.0300 0.0266 0.02538 [0.02,0.032] 2.23 0.29 0.48 0.56 0.0325 0.0270 0.0349 0.0248 0.03981 [0.032,0.05] 3.32 0.28 0.50 0.55 -0.0395 0.0304 0.0092 0.0280 0.06283 [0.05,0.08] 5.32 0.28 0.49 0.55 -0.0321 0.0344 0.0360 0.0317 0.1010 [0.08,0.13] 8.48 0.28 0.49 0.55 -0.0324 0.0432 -0.0106 0.0398 0.1606 [0.13,0.21] 13.4 0.28 0.49 0.55 -0.1917 0.0622 -0.0088 0.0570 0.283 [0.21,1] 26.7 0.31 0.48 0.58 -0.0955 0.1021 0.0287 0.0943 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1545 [0.1,0.2] 3.66 0.34 0.042 0.44 -0.0925 0.0453 0.0339 0.0404 0.2519 [0.2,0.3] 3.69 0.34 0.042 0.44 0.0287 0.0389 0.0235 0.0345 0.3505 [0.3,0.4] 3.67 0.34 0.041 0.44 -0.0169 0.0367 -0.0130 0.0322 0.4493 [0.4,0.5] 3.70 0.34 0.042 0.45 -0.0418 0.0370 -0.0080 0.0324 0.5486 [0.5,0.6] 3.66 0.34 0.041 0.46 0.0220 0.0379 0.0487 0.0332 0.6706 [0.6,0.75] 3.64 0.34 0.041 0.46 0.0097 0.0332 -0.0142 0.0291 0.8192 [0.75,0.9] 3.63 0.35 0.040 0.47 -0.0621 0.0396 0.0204 0.0349 1.052 [0.9,1.3] 3.76 0.36 0.039 0.48 0.0457 0.0374 -0.0144 0.0325 1.574 [1.3,10.] 4.14 0.42 0.038 0.47 -0.0450 0.0718 -0.0097 0.0599 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2753 [0.25,0.3] 3.93 0.46 0.031 0.53 -0.0034 0.0371 -0.0472 0.0297 0.3248 [0.3,0.35] 3.90 0.42 0.035 0.54 0.0112 0.0355 0.0005 0.0292 0.3744 [0.35,0.4] 3.91 0.38 0.038 0.55 -0.0137 0.0359 0.0751 0.0307 0.4467 [0.4,0.5] 3.78 0.33 0.042 0.57 -0.0257 0.0269 -0.0027 0.0241 0.5660 [0.5,0.65] 3.44 0.27 0.046 0.58 0.0022 0.0269 0.0086 0.0250 0.7142 [0.65,0.8] 3.25 0.23 0.051 0.62 -0.0097 0.0399 0.0032 0.0380 0.8732 [0.8,1] 2.93 0.20 0.052 0.61 -0.0692 0.0670 0.0505 0.0647 negative kaons ........................................................... Range A_Col Sigma_Col A_Siv Sigma_Siv 0.006479 [0.003,0.008] 1.23 0.65 0.35 0.60 0.0925 0.1196 -0.0279 0.0719 0.01056 [0.008,0.013] 1.48 0.47 0.40 0.58 -0.0423 0.0547 -0.0427 0.0438 0.01627 [0.013,0.02] 1.78 0.37 0.42 0.57 0.0206 0.0432 -0.0612 0.0380 0.02525 [0.02,0.032] 2.34 0.31 0.45 0.55 0.0396 0.0383 0.0158 0.0348 0.03961 [0.032,0.05] 3.55 0.30 0.47 0.55 0.0188 0.0437 -0.1245 0.0398 0.06252 [0.05,0.08] 5.63 0.30 0.46 0.55 0.0125 0.0532 -0.0386 0.0491 0.09997 [0.08,0.13] 8.90 0.30 0.46 0.54 -0.0860 0.0666 0.0746 0.0611 0.1595 [0.13,0.21] 14.4 0.30 0.45 0.56 -0.1777 0.1040 -0.0060 0.0922 0.2812 [0.21,1] 27.9 0.33 0.43 0.57 0.0732 0.1817 0.2600 0.1676 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.1539 [0.1,0.2] 3.08 0.36 0.033 0.43 -0.0059 0.0727 -0.0322 0.0635 0.2518 [0.2,0.3] 3.13 0.36 0.033 0.43 -0.1263 0.0601 0.0108 0.0522 0.3504 [0.3,0.4] 3.15 0.37 0.033 0.42 0.0675 0.0597 -0.0472 0.0515 0.4495 [0.4,0.5] 3.21 0.37 0.033 0.42 -0.0244 0.0565 0.0209 0.0485 0.5488 [0.5,0.6] 3.19 0.37 0.033 0.43 0.0059 0.0559 0.0472 0.0483 0.6703 [0.6,0.75] 3.19 0.38 0.032 0.43 0.0278 0.0476 -0.0488 0.0406 0.8184 [0.75,0.9] 3.19 0.38 0.032 0.44 0.0044 0.0544 0.0020 0.0462 1.054 [0.9,1.3] 3.27 0.40 0.031 0.44 0.1105 0.0505 -0.1603 0.0424 1.578 [1.3,10.] 3.44 0.45 0.029 0.45 -0.0356 0.0908 -0.1719 0.0715 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2749 [0.25,0.3] 3.39 0.47 0.027 0.54 -0.0333 0.0493 -0.0181 0.0387 0.3246 [0.3,0.35] 3.45 0.44 0.030 0.55 0.0468 0.0483 -0.0353 0.0391 0.3744 [0.35,0.4] 3.37 0.40 0.032 0.57 0.0383 0.0502 -0.0302 0.0420 0.4458 [0.4,0.5] 3.18 0.35 0.034 0.58 -0.0617 0.0390 -0.0435 0.0345 0.5643 [0.5,0.65] 2.85 0.29 0.037 0.57 0.0250 0.0412 -0.0074 0.0383 0.7111 [0.65,0.8] 2.68 0.25 0.040 0.60 0.1099 0.0757 -0.1997 0.0716 0.8679 [0.8,1] 2.45 0.23 0.039 0.55 0.1247 0.1356 0.1530 0.1314 K^0 ............................................................................................................ Range A_Col Sigma_Col A_Siv Sigma_Siv 0.00906 [0.003,0.013] 1.43 0.552 0.400 0.583 0.0726 0.0565 -0.0206 0.0401 0.02110 [0.013,0.032] 2.03 0.332 0.414 0.545 0.0011 0.0366 -0.0404 0.0329 0.04859 [0.032,0.08] 3.96 0.272 0.434 0.512 -0.0395 0.0453 0.0258 0.0415 0.10018 [0.08,0.13] 8.19 0.274 0.431 0.519 0.0571 0.0976 0.0088 0.0915 0.19292 [0.13,1] 17.2 0.290 0.431 0.551 0.1184 0.1336 0.1336 0.1220 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2375 [0.1,0.35] 3.13 0.343 0.0366 0.403 0.0547 0.0441 0.0026 0.0385 0.4474 [0.35,0.55] 3.21 0.356 0.0361 0.410 -0.0041 0.0460 -0.0247 0.0399 0.6424 [0.55,0.75] 3.25 0.370 0.0351 0.422 0.0377 0.0514 -0.0097 0.0442 0.8568 [0.75,1] 3.29 0.388 0.0337 0.436 -0.0998 0.0672 0.0007 0.0561 1.2588 [1,10] 3.65 0.431 0.0329 0.448 0.1084 0.0863 -0.1111 0.0701 Range A_Col Sigma_Col A_Siv Sigma_Siv 0.2866 [0.25,0.325] 3.38 0.404 0.0324 0.510 0.0008 0.0455 -0.0114 0.0380 0.3720 [0.325,0.425] 3.30 0.368 0.0353 0.536 -0.0521 0.0431 0.0151 0.0369 0.4807 [0.425,0.55] 3.13 0.342 0.0371 0.558 0.0612 0.0503 -0.0505 0.0440 0.6111 [0.55,0.7] 3.03 0.327 0.0384 0.596 0.1115 0.0703 0.0171 0.0614 0.7804 [0.7,1] 2.97 0.305 0.0413 0.633 0.0702 0.1020 -0.1093 0.0924 ============================================================================================================ CERN-PH-EP/2008-002 hep-ex/0802.2160 Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS Authors: The COMPASS Collaboration: M. Alekseev, et al ============================================================================================================ Table of purity values all hadrons ------------------------------------------------------------------------------------------------------------ positive pions ............................................................................................................ Range purity 0.006469 [0.003,0.008] 0.91 0.01059 [0.008,0.013] 0.93 0.01643 [0.013,0.02] 0.94 0.02556 [0.02,0.032] 0.95 0.03967 [0.032,0.05] 0.96 0.06255 [0.05,0.08] 0.96 0.1005 [0.08,0.13] 0.97 0.1609 [0.13,0.21] 0.98 0.2781 [0.21,1] 0.98 Range purity 0.1547 [0.1,0.2] 0.93 0.2519 [0.2,0.3] 0.94 0.3496 [0.3,0.4] 0.94 0.4482 [0.4,0.5] 0.95 0.5475 [0.5,0.6] 0.95 0.6681 [0.6,0.75] 0.95 0.817 [0.75,0.9] 0.96 1.042 [0.9,1.3] 0.97 1.549 [1.3,10.] 0.98 Range purity 0.2237 [0.2,0.25] 0.96 0.2737 [0.25,0.3] 0.95 0.3237 [0.3,0.35] 0.94 0.3737 [0.35,0.4] 0.94 0.4448 [0.4,0.5] 0.94 0.5646 [0.5,0.65] 0.94 0.7164 [0.65,0.8] 0.97 0.8787 [0.8,1] 0.99 negative pions ............................................................................................................ Range purity 0.006453 [0.003,0.008] 1 0.01057 [0.008,0.013] 0.99 0.01641 [0.013,0.02] 0.98 0.02552 [0.02,0.032] 0.98 0.03964 [0.032,0.05] 0.99 0.06247 [0.05,0.08] 0.99 0.1004 [0.08,0.13] 1 0.1607 [0.13,0.21] 0.99 0.2781 [0.21,1] 1 Range purity 0.1545 [0.1,0.2] 0.99 0.2520 [0.2,0.3] 0.99 0.3497 [0.3,0.4] 0.99 0.4483 [0.4,0.5] 0.99 0.5475 [0.5,0.6] 0.99 0.6680 [0.6,0.75] 0.99 0.8168 [0.75,0.9] 0.98 1.042 [0.9,1.3] 0.98 1.554 [1.3,10.] 0.99 Range purity 0.2236 [0.2,0.25] 0.98 0.2736 [0.25,0.3] 1 0.3236 [0.3,0.35] 0.99 0.3736 [0.35,0.4] 1 0.4446 [0.4,0.5] 0.99 0.5643 [0.5,0.65] 1 0.7171 [0.65,0.8] 1 0.8794 [0.8,1] 1 positive kaons ............................................................................................................ Range purity 0.006452 [0.003,0.008] 0.70 0.01054 [0.008,0.013] 0.76 0.01628 [0.013,0.02] 0.81 0.02533 [0.02,0.032] 0.84 0.0398 [0.032,0.05] 0.86 0.06279 [0.05,0.08] 0.89 0.1008 [0.08,0.13] 0.91 0.1608 [0.13,0.21] 0.92 0.2847 [0.21,1] 0.93 Range purity 0.1543 [0.1,0.2] 0.80 0.2519 [0.2,0.3] 0.78 0.3503 [0.3,0.4] 0.78 0.4491 [0.4,0.5] 0.80 0.5486 [0.5,0.6] 0.82 0.6703 [0.6,0.75] 0.85 0.8192 [0.75,0.9] 0.87 1.051 [0.9,1.3] 0.90 1.57 [1.3,10.] 0.93 Range purity 0.2249 [0.2,0.25] 0.79 0.2747 [0.25,0.3] 0.80 0.3245 [0.3,0.35] 0.82 0.3742 [0.35,0.4] 0.83 0.4463 [0.4,0.5] 0.85 0.5659 [0.5,0.65] 0.87 0.7142 [0.65,0.8] 0.85 0.8732 [0.8,1] 0.78 negative kaons ............................................................................................................ Range purity 0.006431 [0.003,0.008] 0.56 0.01051 [0.008,0.013] 0.64 0.01621 [0.013,0.02] 0.71 0.0252 [0.02,0.032] 0.77 0.03966 [0.032,0.05] 0.81 0.06254 [0.05,0.08] 0.84 0.09993 [0.08,0.13] 0.87 0.1599 [0.13,0.21] 0.89 0.2852 [0.21,1] 0.91 Range purity 0.154 [0.1,0.2] 0.65 0.2516 [0.2,0.3] 0.65 0.3501 [0.3,0.4] 0.64 0.4491 [0.4,0.5] 0.68 0.5485 [0.5,0.6] 0.73 0.6699 [0.6,0.75] 0.78 0.8183 [0.75,0.9] 0.82 1.052 [0.9,1.3] 0.86 1.57 [1.3,10.] 0.90 Range purity 0.2248 [0.2,0.25] 0.71 0.2743 [0.25,0.3] 0.72 0.3242 [0.3,0.35] 0.72 0.3742 [0.35,0.4] 0.74 0.4454 [0.4,0.5] 0.76 0.5641 [0.5,0.65] 0.76 0.7111 [0.65,0.8] 0.68 0.8679 [0.8,1] 0.66 K^0 ............................................................................................................ Range purity 0.00906 [0.003,0.013] 0.94 0.02090 [0.013,0.032] 0.94 0.04866 [0.032,0.08] 0.94 0.10022 [0.08,0.13] 0.94 0.19459 [0.13,1] 0.94 Range purity 0.2374 [0.1,0.35] 0.94 0.4463 [0.35,0.55] 0.94 0.6411 [0.55,0.75] 0.94 0.8558 [0.75,1] 0.94 1.2516 [1,10] 0.94 Range purity 0.2244 [0.2,0.25] 0.94 0.2853 [0.25,0.325] 0.94 0.3709 [0.325,0.425] 0.94 0.4802 [0.425,0.55] 0.94 0.6111 [0.55,0.7] 0.94 0.7804 [0.7,1] ------------------------------------------------------------------------------------------------------------ Leading hadrons ------------------------------------------------------------------------------------------------------------ positive pions ............................................................................................................ Range purity 0.006523 [0.003,0.008] 0.91 0.01062 [0.008,0.013] 0.93 0.01646 [0.013,0.02] 0.94 0.02564 [0.02,0.032] 0.95 0.03969 [0.032,0.05] 0.96 0.06254 [0.05,0.08] 0.96 0.1006 [0.08,0.13] 0.97 0.1609 [0.13,0.21] 0.98 0.2763 [0.21,1] 0.98 Range purity 0.1547 [0.1,0.2] 0.93 0.2519 [0.2,0.3] 0.94 0.3500 [0.3,0.4] 0.94 0.4487 [0.4,0.5] 0.95 0.5479 [0.5,0.6] 0.95 0.6690 [0.6,0.75] 0.95 0.8176 [0.75,0.9] 0.96 1.044 [0.9,1.3] 0.97 1.553 [1.3,10.] 0.98 Range purity 0.2744 [0.25,0.3] 0.95 0.3241 [0.3,0.35] 0.94 0.3739 [0.35,0.4] 0.94 0.4452 [0.4,0.5] 0.94 0.5648 [0.5,0.65] 0.94 0.7165 [0.65,0.8] 0.97 0.8787 [0.8,1] 0.99 negative pions ........................................................... Range purity 0.006505 [0.003,0.008] 1 0.01060 [0.008,0.013] 0.99 0.01644 [0.013,0.02] 0.98 0.02561 [0.02,0.032] 0.98 0.03965 [0.032,0.05] 0.99 0.06245 [0.05,0.08] 0.99 0.1004 [0.08,0.13] 1 0.1607 [0.13,0.21] 0.99 0.2767 [0.21,1] 1 Range purity 0.1544 [0.1,0.2] 0.99 0.2518 [0.2,0.3] 0.99 0.3500 [0.3,0.4] 0.99 0.4488 [0.4,0.5] 0.99 0.5479 [0.5,0.6] 0.99 0.6688 [0.6,0.75] 0.99 0.8174 [0.75,0.9] 0.98 1.044 [0.9,1.3] 0.98 1.559 [1.3,10.] 0.99 Range purity 0.2743 [0.25,0.3] 1 0.3240 [0.3,0.35] 0.99 0.3738 [0.35,0.4] 1 0.4450 [0.4,0.5] 0.99 0.5646 [0.5,0.65] 1 0.7171 [0.65,0.8] 1 0.8794 [0.8,1] 1 positive kaons ........................................................... Range purity 0.006512 [0.003,0.008] 0.70 0.01059 [0.008,0.013] 0.76 0.01635 [0.013,0.02] 0.81 0.02538 [0.02,0.032] 0.84 0.03981 [0.032,0.05] 0.86 0.06283 [0.05,0.08] 0.89 0.1010 [0.08,0.13] 0.91 0.1606 [0.13,0.21] 0.92 0.283 [0.21,1] 0.93 Range purity 0.1545 [0.1,0.2] 0.80 0.2519 [0.2,0.3] 0.78 0.3505 [0.3,0.4] 0.78 0.4493 [0.4,0.5] 0.80 0.5486 [0.5,0.6] 0.82 0.6706 [0.6,0.75] 0.85 0.8192 [0.75,0.9] 0.87 1.052 [0.9,1.3] 0.90 1.574 [1.3,10.] 0.93 Range purity 0.2753 [0.25,0.3] 0.80 0.3248 [0.3,0.35] 0.82 0.3744 [0.35,0.4] 0.83 0.4467 [0.4,0.5] 0.85 0.5660 [0.5,0.65] 0.87 0.7142 [0.65,0.8] 0.85 0.8732 [0.8,1] 0.78 negative kaons ........................................................... Range purity 0.006479 [0.003,0.008] 0.56 0.01056 [0.008,0.013] 0.64 0.01627 [0.013,0.02] 0.71 0.02525 [0.02,0.032] 0.77 0.03961 [0.032,0.05] 0.81 0.06252 [0.05,0.08] 0.84 0.09997 [0.08,0.13] 0.87 0.1595 [0.13,0.21] 0.89 0.2812 [0.21,1] 0.91 Range purity 0.1539 [0.1,0.2] 0.65 0.2518 [0.2,0.3] 0.65 0.3504 [0.3,0.4] 0.64 0.4495 [0.4,0.5] 0.68 0.5488 [0.5,0.6] 0.73 0.6703 [0.6,0.75] 0.78 0.8184 [0.75,0.9] 0.82 1.054 [0.9,1.3] 0.86 1.578 [1.3,10.] 0.90 Range purity 0.2749 [0.25,0.3] 0.72 0.3246 [0.3,0.35] 0.72 0.3744 [0.35,0.4] 0.74 0.4458 [0.4,0.5] 0.76 0.5643 [0.5,0.65] 0.76 0.7111 [0.65,0.8] 0.68 0.8679 [0.8,1] 0.66 K^0 ............................................................................................................ Range purity 0.00906 [0.003,0.013] 0.94 0.02110 [0.013,0.032] 0.94 0.04859 [0.032,0.08] 0.94 0.10018 [0.08,0.13] 0.94 0.19292 [0.13,1] 0.94 Range purity 0.2375 [0.1,0.35] 0.94 0.4474 [0.35,0.55] 0.94 0.6424 [0.55,0.75] 0.94 0.8568 [0.75,1] 0.94 1.2588 [1,10] 0.94 Range purity 0.2866 [0.25,0.325] 0.94 0.3720 [0.325,0.425] 0.94 0.4807 [0.425,0.55] 0.94 0.6111 [0.55,0.7] 0.94 0.7804 [0.7,1] 0.94